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Tony Preston Smith

Professor of Radiology
Radiology, Interventional Radiology
Box 3808 Med Ctr, Durham, NC 27710
1502 Hosp North, Durham, NC 27710

Selected Publications


Long term impact of transjugular intrahepatic portosystemic shunt (TIPS) creation on hepatic morphology.

Journal Article Clin Imaging · June 2024 PURPOSE: The purpose of this study was to evaluate long-term morphologic changes occurring in the liver after TIPS creation with correlation with hepatic function to gain insight on the physiologic impact of TIPS on the liver. METHODS: This retrospective s ... Full text Link to item Cite

Safety Profile of Particle Embolization for Treatment of Acute Lower Gastrointestinal Bleeding.

Journal Article J Vasc Interv Radiol · March 2022 PURPOSE: To assess ischemic adverse events following particle embolization when used as a second-line embolic to coil embolization for the treatment of acute lower gastrointestinal bleeding (LGIB). MATERIALS AND METHODS: The single-institution retrospectiv ... Full text Link to item Cite

Arterial Embolization for Thyroid Goiter, Graves’ Disease, and Thyroid Malignancy

Chapter · January 1, 2022 Minimally invasive endocrine interventions have the potential to complement and broaden options for thyroid care. Since the initial work in this field, there has been a technological renaissance allowing radial artery access, smaller microcatheter and embo ... Full text Cite

Proton pump inhibitor use is associated with increased rates of post-TIPS hepatic encephalopathy: Replication in an independent patient cohort.

Journal Article Clin Imaging · September 2021 PURPOSE: Proton pump inhibitor (PPI) use is a potential risk factor for hepatic encephalopathy (HE), but few studies have examined the effect on post-TIPS HE. The purpose of this study was to determine whether PPIs are associated with increased rates of po ... Full text Link to item Cite

Intravascular Ultrasound-Guided Transvenous Biopsy of Abdominal and Pelvic Targets Difficult to Access by Percutaneous Needle Biopsy: Technique and Initial Clinical Experience.

Journal Article J Vasc Interv Radiol · September 2021 PURPOSE: To report initial clinical experience with intravascular ultrasound (US)-guided transvenous biopsy (TVB) for perivascular target lesions in the abdomen and pelvis using side-viewing phased-array intracardiac echocardiography catheters. MATERIALS A ... Full text Link to item Cite

Evaluation of repeat distal transradial access in the anatomic snuffbox.

Journal Article Diagn Interv Radiol · September 2021 PURPOSE: There is increasing interest in the distal radial artery in the anatomic snuffbox as an alternative arterial access point, but the durability of the distal radial artery to support repetitive accesses over multiple procedures is not well establish ... Full text Link to item Cite

Sharp Recanalization of Chronic Central Venous Occlusions of the Thorax Using a Steerable Coaxial Needle Technique from a Supraclavicular Approach.

Journal Article Cardiovasc Intervent Radiol · May 2021 PURPOSE: To evaluate the technical success and safety of a steerable coaxial sharp recanalization technique that utilizes routine needles in patients with refractory thoracic central venous occlusions. MATERIALS AND METHODS: This retrospective study was pe ... Full text Link to item Cite

Preemptive VAE-An Important Tool for Managing Blood Loss in MVT Candidates With PMT.

Journal Article Transplant Direct · March 2021 UNLABELLED: Explantation of native viscera in multivisceral transplant candidates, particularly in those with extensive portomesenteric thrombosis (PMT), carries considerable morbidity due to extensive vascularized adhesions. Preemptive visceral angioembol ... Full text Link to item Cite

Percutaneous gastrojejunostomy tubes: Identification of predictors of retrograde jejunal limb migration into the stomach.

Journal Article Clin Imaging · February 2021 PURPOSE: To identify whether technically modifiable factors during gastrojejunostomy (GJ) tube insertion are predictive of retrograde jejunal limb migration into the stomach. MATERIALS AND METHODS: Retrospective review of our procedural database over a 5-y ... Full text Link to item Cite

Percutaneous Gastrojejunostomy Tube Insertion in Patients with Surgical Gastrojejunal Anastomoses: Analysis of Success Rates and Durability.

Journal Article J Vasc Interv Radiol · February 2021 Patients with a gastrojejunal anastomosis pose challenging anatomy for percutaneous gastrojejunostomy (GJ)-tube placement. A retrospective review of 24 patients (mean age 67.8 years, 13 males) with GJ anastomoses who underwent attempted GJ tube placement r ... Full text Link to item Cite

Metoclopramide Reduces Fluoroscopy and Procedure Time during Gastrojejunostomy Tube Placement: A Placebo-Controlled Trial.

Journal Article J Vasc Interv Radiol · July 2020 PURPOSE: To determine whether a single 10-mg intravenous dose of the promotility agent metoclopramide reduces the fluoroscopy time, radiation dose, and procedure time required for gastrojejunostomy (GJ) tube placement. METHODS: This prospective, randomized ... Full text Link to item Cite

Jejunostomy Tube Insertion for Enteral Nutrition: Comparison of Outcomes after Laparoscopic versus Radiologic Insertion.

Journal Article J Vasc Interv Radiol · July 2020 PURPOSE: To retrospectively compare technical success and major complication rates of laparoscopically versus radiologically inserted jejunostomy tubes. MATERIALS AND METHODS: In this single-institution retrospective study, 115 patients (60 men; mean age, ... Full text Link to item Cite

Length of Stay Predicts Risk of Early Infection for Hospitalized Patients Undergoing Central Venous Port Placement.

Journal Article J Vasc Interv Radiol · March 2020 PURPOSE: To compare early totally implantable central venous port catheter-related infection rates after inpatient vs outpatient placement and to determine whether the risk associated with inpatient placement is influenced by length of hospital stay. MATER ... Full text Link to item Cite

Treatment of Arm Swelling in Hemodialysis Patients with Ipsilateral Arteriovenous Access and Central Vein Stenosis: Conversion to the Hemodialysis Reliable Outflow Graft versus Stent Deployment.

Journal Article J Vasc Interv Radiol · February 2020 PURPOSE: To compare outcomes after conversion of arteriovenous (AV) access to Hemodialysis Reliable Outflow (HeRO) graft vs stent deployment in patients with arm swelling owing to ipsilateral central vein stenosis. MATERIALS AND METHODS: This single-center ... Full text Link to item Cite

Relative Sarcopenia With Excess Adiposity Predicts Survival After Transjugular Intrahepatic Portosystemic Shunt Creation.

Journal Article AJR Am J Roentgenol · January 2020 OBJECTIVE. The purpose of this study was to assess the impact of relative sarcopenia with excess adiposity on mortality after transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS. In this single-institution retrospective stu ... Full text Link to item Cite

Recognition and management of dermatologic complications from interventional radiology procedures.

Journal Article Diagn Interv Imaging · November 2019 A variety of dermatologic complications can occur after interventional radiology procedures, including fluoroscopy-induced radiation dermatitis, thermal skin injury from tumor ablation, non-target embolization to the skin, allergic reactions related to int ... Full text Link to item Cite

Inadvertent Arterial Placement of Central Venous Catheters: Systematic Review and Guidelines for Treatment.

Journal Article J Vasc Interv Radiol · November 2019 Inadvertent arterial placement of central venous catheters carries serious sequelae, including pseudoaneurysm development and stroke. Although numerous strategies for therapeutic repair after arterial injury have been employed, no treatment provides a defi ... Full text Link to item Cite

Long term impact of transjugular intrahepatic portosystemic shunt (TIPS) creation on hepatic morphology.

Journal Article Clin Imaging · June 2024 PURPOSE: The purpose of this study was to evaluate long-term morphologic changes occurring in the liver after TIPS creation with correlation with hepatic function to gain insight on the physiologic impact of TIPS on the liver. METHODS: This retrospective s ... Full text Link to item Cite

Safety Profile of Particle Embolization for Treatment of Acute Lower Gastrointestinal Bleeding.

Journal Article J Vasc Interv Radiol · March 2022 PURPOSE: To assess ischemic adverse events following particle embolization when used as a second-line embolic to coil embolization for the treatment of acute lower gastrointestinal bleeding (LGIB). MATERIALS AND METHODS: The single-institution retrospectiv ... Full text Link to item Cite

Arterial Embolization for Thyroid Goiter, Graves’ Disease, and Thyroid Malignancy

Chapter · January 1, 2022 Minimally invasive endocrine interventions have the potential to complement and broaden options for thyroid care. Since the initial work in this field, there has been a technological renaissance allowing radial artery access, smaller microcatheter and embo ... Full text Cite

Proton pump inhibitor use is associated with increased rates of post-TIPS hepatic encephalopathy: Replication in an independent patient cohort.

Journal Article Clin Imaging · September 2021 PURPOSE: Proton pump inhibitor (PPI) use is a potential risk factor for hepatic encephalopathy (HE), but few studies have examined the effect on post-TIPS HE. The purpose of this study was to determine whether PPIs are associated with increased rates of po ... Full text Link to item Cite

Intravascular Ultrasound-Guided Transvenous Biopsy of Abdominal and Pelvic Targets Difficult to Access by Percutaneous Needle Biopsy: Technique and Initial Clinical Experience.

Journal Article J Vasc Interv Radiol · September 2021 PURPOSE: To report initial clinical experience with intravascular ultrasound (US)-guided transvenous biopsy (TVB) for perivascular target lesions in the abdomen and pelvis using side-viewing phased-array intracardiac echocardiography catheters. MATERIALS A ... Full text Link to item Cite

Evaluation of repeat distal transradial access in the anatomic snuffbox.

Journal Article Diagn Interv Radiol · September 2021 PURPOSE: There is increasing interest in the distal radial artery in the anatomic snuffbox as an alternative arterial access point, but the durability of the distal radial artery to support repetitive accesses over multiple procedures is not well establish ... Full text Link to item Cite

Sharp Recanalization of Chronic Central Venous Occlusions of the Thorax Using a Steerable Coaxial Needle Technique from a Supraclavicular Approach.

Journal Article Cardiovasc Intervent Radiol · May 2021 PURPOSE: To evaluate the technical success and safety of a steerable coaxial sharp recanalization technique that utilizes routine needles in patients with refractory thoracic central venous occlusions. MATERIALS AND METHODS: This retrospective study was pe ... Full text Link to item Cite

Preemptive VAE-An Important Tool for Managing Blood Loss in MVT Candidates With PMT.

Journal Article Transplant Direct · March 2021 UNLABELLED: Explantation of native viscera in multivisceral transplant candidates, particularly in those with extensive portomesenteric thrombosis (PMT), carries considerable morbidity due to extensive vascularized adhesions. Preemptive visceral angioembol ... Full text Link to item Cite

Percutaneous gastrojejunostomy tubes: Identification of predictors of retrograde jejunal limb migration into the stomach.

Journal Article Clin Imaging · February 2021 PURPOSE: To identify whether technically modifiable factors during gastrojejunostomy (GJ) tube insertion are predictive of retrograde jejunal limb migration into the stomach. MATERIALS AND METHODS: Retrospective review of our procedural database over a 5-y ... Full text Link to item Cite

Percutaneous Gastrojejunostomy Tube Insertion in Patients with Surgical Gastrojejunal Anastomoses: Analysis of Success Rates and Durability.

Journal Article J Vasc Interv Radiol · February 2021 Patients with a gastrojejunal anastomosis pose challenging anatomy for percutaneous gastrojejunostomy (GJ)-tube placement. A retrospective review of 24 patients (mean age 67.8 years, 13 males) with GJ anastomoses who underwent attempted GJ tube placement r ... Full text Link to item Cite

Metoclopramide Reduces Fluoroscopy and Procedure Time during Gastrojejunostomy Tube Placement: A Placebo-Controlled Trial.

Journal Article J Vasc Interv Radiol · July 2020 PURPOSE: To determine whether a single 10-mg intravenous dose of the promotility agent metoclopramide reduces the fluoroscopy time, radiation dose, and procedure time required for gastrojejunostomy (GJ) tube placement. METHODS: This prospective, randomized ... Full text Link to item Cite

Jejunostomy Tube Insertion for Enteral Nutrition: Comparison of Outcomes after Laparoscopic versus Radiologic Insertion.

Journal Article J Vasc Interv Radiol · July 2020 PURPOSE: To retrospectively compare technical success and major complication rates of laparoscopically versus radiologically inserted jejunostomy tubes. MATERIALS AND METHODS: In this single-institution retrospective study, 115 patients (60 men; mean age, ... Full text Link to item Cite

Length of Stay Predicts Risk of Early Infection for Hospitalized Patients Undergoing Central Venous Port Placement.

Journal Article J Vasc Interv Radiol · March 2020 PURPOSE: To compare early totally implantable central venous port catheter-related infection rates after inpatient vs outpatient placement and to determine whether the risk associated with inpatient placement is influenced by length of hospital stay. MATER ... Full text Link to item Cite

Treatment of Arm Swelling in Hemodialysis Patients with Ipsilateral Arteriovenous Access and Central Vein Stenosis: Conversion to the Hemodialysis Reliable Outflow Graft versus Stent Deployment.

Journal Article J Vasc Interv Radiol · February 2020 PURPOSE: To compare outcomes after conversion of arteriovenous (AV) access to Hemodialysis Reliable Outflow (HeRO) graft vs stent deployment in patients with arm swelling owing to ipsilateral central vein stenosis. MATERIALS AND METHODS: This single-center ... Full text Link to item Cite

Relative Sarcopenia With Excess Adiposity Predicts Survival After Transjugular Intrahepatic Portosystemic Shunt Creation.

Journal Article AJR Am J Roentgenol · January 2020 OBJECTIVE. The purpose of this study was to assess the impact of relative sarcopenia with excess adiposity on mortality after transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS. In this single-institution retrospective stu ... Full text Link to item Cite

Recognition and management of dermatologic complications from interventional radiology procedures.

Journal Article Diagn Interv Imaging · November 2019 A variety of dermatologic complications can occur after interventional radiology procedures, including fluoroscopy-induced radiation dermatitis, thermal skin injury from tumor ablation, non-target embolization to the skin, allergic reactions related to int ... Full text Link to item Cite

Inadvertent Arterial Placement of Central Venous Catheters: Systematic Review and Guidelines for Treatment.

Journal Article J Vasc Interv Radiol · November 2019 Inadvertent arterial placement of central venous catheters carries serious sequelae, including pseudoaneurysm development and stroke. Although numerous strategies for therapeutic repair after arterial injury have been employed, no treatment provides a defi ... Full text Link to item Cite

Spinal Arterial Blood Supply Does Not Arise from the Bronchial Arteries: A Detailed Analysis of Angiographic Studies Performed for Hemoptysis.

Journal Article J Vasc Interv Radiol · November 2019 PURPOSE: To determine the angiographic prevalence of spinal arteries originating directly from the bronchial arteries in the setting of embolization for hemoptysis. MATERIALS AND METHODS: Over a 14-year interval, 205 patients underwent angiography for hemo ... Full text Link to item Cite

Predictors of Clinical Outcome After Treatment of Intracranial Aneurysms with the Pipeline Embolization Device.

Journal Article World Neurosurg · October 2019 BACKGROUND: Flow-diverting stents have revolutionized the endovascular treatment of intracranial aneurysms. The purpose of this study is to identify predictors of adverse outcomes associated with the pipeline embolization device (PED). METHODS: A retrospec ... Full text Link to item Cite

Management of Port Occlusions in Adults: Different-Site Replacement versus Same-Site Salvage.

Journal Article J Vasc Interv Radiol · July 2019 PURPOSE: To compare the safety and effectiveness of different-site port placement versus same-site port salvage in adult patients with occluded ports. MATERIALS AND METHODS: Ninety-five occluded subcutaneous infusion ports (ports) in 95 patients presenting ... Full text Link to item Cite

No Increased Mortality After TIPS Compared with Serial Large Volume Paracenteses in Patients with Higher Model for End-Stage Liver Disease Score and Refractory Ascites.

Journal Article Cardiovasc Intervent Radiol · May 2019 PURPOSE: To compare survival after transjugular intrahepatic portosystemic shunt (TIPS) creation versus serial large volume paracenteses (LVP) in patients with refractory ascites and higher Model for End-Stage Liver Disease (MELD) scores. MATERIALS AND MET ... Full text Link to item Cite

Proton Pump Inhibitor Use Is Associated with an Increased Frequency of New or Worsening Hepatic Encephalopathy after Transjugular Intrahepatic Portosystemic Shunt Creation.

Journal Article J Vasc Interv Radiol · February 2019 PURPOSE: To determine whether proton pump inhibitor (PPI) use increases the rate of new or worsening hepatic encephalopathy (HE) after transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS: In this retrospective study, 284 of ... Full text Link to item Cite

Albumin-bilirubin grade versus MELD score for predicting survival after transjugular intrahepatic portosystemic shunt (TIPS) creation.

Journal Article Diagn Interv Imaging · March 2018 OBJECTIVES: The purpose of this study was to compare the albumin-bilirubin (ALBI) grade and model for end-stage liver disease (MELD) scores for predicting survival after transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS: ... Full text Link to item Cite

Hemorrhage risk with transjugular intrahepatic portosystemic shunt (TIPS) insertion at the main portal vein bifurcation with stent grafts.

Journal Article Diagn Interv Imaging · December 2017 PURPOSE: The purpose of this study was to assess the incidence of major hemorrhage after transjugular intrahepatic portosystemic shunt (TIPS) insertion using a stent graft at the main portal vein bifurcation. PATIENTS AND METHODS: TIPS insertion using sten ... Full text Link to item Cite

Treatment of central venous in-stent restenosis with repeat stent deployment in hemodialysis patients.

Journal Article J Vasc Access · May 15, 2017 PURPOSE: To report patency rates for stent deployment for treatment of in-stent stenosis of the central veins of the chest in hemodialysis patients. MATERIALS AND METHODS: A retrospective analysis was performed on 29 patients who underwent 35 secondary per ... Full text Link to item Cite

Carotid Endarterectomy to Remove Retained Solitaire Stent Retriever inside Carotid Stent after Mechanical Thrombectomy.

Journal Article J Stroke Cerebrovasc Dis · May 2017 BACKGROUND: Tandem occlusions of the internal carotid artery (ICA) and middle cerebral artery (MCA) occur in up to a third of patients with acute ischemic strokes undergoing endovascular mechanical thrombectomy. Understanding open neurosurgical management ... Full text Link to item Cite

Optimal pediatric dosing of anti-platelet agents for pipeline stent embolization -a case report and review of the literature.

Journal Article Childs Nerv Syst · April 2017 BACKGROUND: Various strategies are emerging for dosing antiplatelet therapies in preparation for pipeline stent embolization in adults. Hyper-response is associated with hemorrhagic complications. Hypo-response is associated with thromboembolic events. Dos ... Full text Link to item Cite

Randomized Controlled Trial of Octyl Cyanoacrylate Skin Adhesive versus Subcuticular Suture for Skin Closure after Implantable Venous Port Placement.

Journal Article J Vasc Interv Radiol · January 2017 PURPOSE: To compare early outcomes of skin closure with octyl cyanoacrylate skin adhesive versus subcuticular suture closure. MATERIALS AND METHODS: Over a 7-month period, 109 subjects (28 men and 81 women; mean age, 58.6 y) scheduled to undergo single-lum ... Full text Link to item Cite

Clinical implications of acute pelvicaliceal hematoma formation during percutaneous catheter nephrostomy insertion.

Journal Article Clin Imaging · 2017 PURPOSE: To determine the clinical implications of acute pelvicaliceal hematoma formation during percutaneous catheter nephrostomy (PCN) insertion. METHODS: Collecting system hematoma burden was retrospectively assessed for 694 PCN insertions in 502 patien ... Full text Link to item Cite

Percutaneous biliary drainage catheter insertion in patients with extensive hepatic metastatic tumor burden.

Journal Article J Gastrointest Oncol · December 2016 BACKGROUND: Patients with metastatic disease of the liver can have hyperbilirubinemia due to a number of reasons, including biliary obstruction. The purpose of this study was to analyze patient outcomes after percutaneous biliary drainage (PBD) catheter in ... Full text Link to item Cite

JVIR Celebrates 25 Years of Innovation. Part 5: 2011-2015.

Journal Article J Vasc Interv Radiol · December 2015 Full text Link to item Cite

Postintervention Patency Rates and Predictors of Patency after Percutaneous Interventions on Intragraft Stenoses within Failing Prosthetic Arteriovenous Grafts.

Journal Article J Vasc Interv Radiol · November 2015 PURPOSE: To determine postintervention patency rates after endovascular interventions on intragraft stenosis within failing prosthetic arteriovenous (AV) grafts, as well as predictors of patency. MATERIALS AND METHODS: Retrospective review of percutaneous ... Full text Link to item Cite

Comprehensive Overview of Contemporary Management Strategies for Cerebral Aneurysms.

Journal Article World Neurosurg · October 2015 Aneurysmal subarachnoid hemorrhage (SAH) remains an important health issue in the United States. Despite recent improvements in the diagnosis and treatment of cerebral aneurysms, the mortality rate following aneurysm rupture. In those patients who survive, ... Full text Link to item Cite

JVIR Celebrates 25 Years of Innovation.: Part 4: 2006-2010.

Journal Article J Vasc Interv Radiol · October 2015 Full text Link to item Cite

JVIR Celebrates 25 Years of Innovation. Part 3: 2001-2005.

Journal Article J Vasc Interv Radiol · September 2015 Full text Link to item Cite

JVIR Celebrates 25 Years of Innovation. Part 2: 1995-2000.

Journal Article J Vasc Interv Radiol · August 2015 Full text Link to item Cite

Rapid ventricular pacing for a basilar artery pseudoaneurysm in a pediatric patient: case report.

Journal Article J Neurosurg Pediatr · June 2015 Large cerebral aneurysms of the basilar apex are difficult to treat. Recently, endovascular treatment has mitigated much of the morbidity associated with treating these lesions. However, the morphology of aneurysms of the vertebrobasilar system can preclud ... Full text Link to item Cite

Accessory veins in nonmaturing autogenous arteriovenous fistulae: analysis of anatomic features and impact on fistula maturation.

Journal Article Semin Dial · 2015 The appropriate management of nonmaturing arteriovenous (AV) fistulae continues to be a controversial issue. While coil embolization of accessory side-branch veins can be performed to encourage maturation of nonmaturing AV fistulae, the true efficacy and o ... Full text Link to item Cite

Enhanced, rapid occlusion of carotid and vertebral arteries using the AMPLATZER Vascular Plug II device: the Duke Cerebrovascular Center experience in 8 patients with 22 AMPLATZER Vascular Plug II devices.

Journal Article World Neurosurg · January 2015 OBJECTIVE: Therapeutic embolization of the common carotid artery (CCA), internal carotid artery (ICA), and vertebral artery (VA) is necessary in the treatment of a subset of chronic arteriovenous fistulas (AVFs), hemorrhages, highly vascularized neoplasms ... Full text Link to item Cite

Coil embolization of the splenic artery: impact on splenic volume.

Journal Article J Vasc Interv Radiol · June 2014 PURPOSE: To determine the impact of coil embolization of the splenic artery on splenic volume based on computed tomography (CT) imaging. MATERIALS AND METHODS: Splenic artery embolization (SAE) was performed in 148 consecutive patients over an 8-year perio ... Full text Link to item Cite

Accuracy of effective dose estimation in personal dosimetry: a comparison between single-badge and double-badge methods and the MOSFET method.

Journal Article Health Phys · May 2014 The purpose of this study was three-fold: (1) to measure the transmission properties of various lead shielding materials, (2) to benchmark the accuracy of commercial film badge readings, and (3) to compare the accuracy of effective dose (ED) conversion fac ... Full text Link to item Cite

Evaluation of patient effective dose of neurovascular imaging protocols for C-arm cone-beam CT.

Journal Article AJR Am J Roentgenol · May 2014 OBJECTIVE: The purpose of this study was threefold: to estimate the organ doses and effective doses (EDs) for seven neurovascular imaging protocols, to study the effect of beam collimation on ED, and to derive protocol-specific dose-area product (DAP)-to-E ... Full text Link to item Cite

Beware the simple case.

Journal Article J Vasc Interv Radiol · December 2013 Full text Link to item Cite

Comparison of primary jejunostomy tubes versus gastrojejunostomy tubes for percutaneous enteral nutrition.

Journal Article J Vasc Interv Radiol · December 2013 PURPOSE: To evaluate technical success and long-term outcomes of percutaneous primary jejunostomy tubes for postpyloric enteral feeding compared with percutaneous gastrojejunostomy (GJ) tubes. MATERIALS AND METHODS: Over a 25-month interval, 41 consecutive ... Full text Link to item Cite

Tunneled peritoneal drainage catheter placement for refractory ascites: single-center experience in 188 patients.

Journal Article J Vasc Interv Radiol · September 2013 PURPOSE: To assess the success and safety of tunneled peritoneal drainage catheters for the management of ascites refractory to medical management. MATERIALS AND METHODS: A total of 188 consecutive patients (83 male, 105 female; average age 59 y) with refr ... Full text Link to item Cite

Tunneled internal jugular hemodialysis catheters: impact of laterality and tip position on catheter dysfunction and infection rates.

Journal Article J Vasc Interv Radiol · September 2013 PURPOSE: To determine rates of dysfunction and infection for tunneled internal jugular vein hemodialysis catheters based on laterality of insertion and catheter tip position. MATERIALS AND METHODS: Retrospective review of a procedural database for tunneled ... Full text Link to item Cite

Long-term economic impact of coiling vs clipping for unruptured intracranial aneurysms.

Journal Article Neurosurgery · June 2013 BACKGROUND: : Treatment of unruptured intracranial aneurysms (UIAs) involves endovascular coiling or aneurysm clipping. While many studies have compared these treatment modalities with respect to various clinical outcomes, few studies have investigated the ... Full text Link to item Cite

Covered transjugular intrahepatic portosystemic shunts: accuracy of ultrasound in detecting shunt malfunction.

Journal Article AJR Am J Roentgenol · April 2013 OBJECTIVE: The purpose of this study was to determine the accuracy of ultrasound for detecting transjugular intrahepatic portosystemic shunt (TIPS) malfunction in covered stents in comparison with bare metal stents. MATERIALS AND METHODS: During a 6-year p ... Full text Link to item Cite

Percutaneous interventions on the hemodialysis reliable outflow vascular access device.

Journal Article J Vasc Interv Radiol · April 2013 PURPOSE: To determine the outcomes of percutaneous interventions for prolonging the patency of the Hemodialysis Reliable Outflow (HeRO) device. MATERIALS AND METHODS: Between January 2007 and August 2011, 73 percutaneous interventions were performed on 26 ... Full text Link to item Cite

Intracranial aneurysms

Chapter · January 1, 2013 Saccular intracranial aneurysms are focal, abnormal outpouchings of cerebral arteries. Craniotomy and microsurgical clip ligation has traditionally been the best treatment option. Current evidence however suggests that in lesions amenable to endovascular t ... Full text Cite

Early outcomes of empiric embolization of tumor-related gastrointestinal hemorrhage in patients with advanced malignancy.

Journal Article J Vasc Interv Radiol · November 2012 PURPOSE: To report short-term results of empiric transcatheter embolization for patients with advanced malignancy and gastrointestinal (GI) hemorrhage directly from a tumor invading the GI tract wall. MATERIALS AND METHODS: Between 2005 and 2011, 37 mesent ... Full text Link to item Cite

Outcomes of prosthetic hemodialysis grafts after deployment of bare metal versus covered stents at the venous anastomosis.

Journal Article Cardiovasc Intervent Radiol · August 2012 PURPOSE: To compare postintervention patency rates after deployment of bare metal versus covered stents across the venous anastomosis of prosthetic arteriovenous (AV) grafts. METHODS: Review of our procedural database over a 6 year period revealed 377 proc ... Full text Link to item Cite

Improved delivery of the Neuroform 3 stent: technical note.

Journal Article J Neurointerv Surg · July 2012 BACKGROUND: Intracranial stents have expanded endovascular therapy to wide neck aneurysms whose dimensions and configurations are not amendable to coil embolization alone. Stents however have not eliminated all problems due to technical factors with their ... Full text Link to item Cite

SU-D-217BCD-06: Evaluation of Effective Dose during Neuro 3-D Imaging Using a C-Arm Cone-Beam CT System.

Journal Article Med Phys · June 2012 PURPOSE: The purpose of this study was three-fold: 1) to estimate the organ doses and effective dose (ED) for patients undergoing neuro 3D-imaging protocols, 2) to study the effect of beam collimation on ED, and 3) to derive protocol-specific DAP-to-ED con ... Full text Link to item Cite

Hepatic venous pressure measurements: comparison of end-hole and balloon catheter methods.

Journal Article J Vasc Interv Radiol · February 2012 PURPOSE: To determine the difference in hepatic venous pressures measured with the use of an end-hole diagnostic catheter versus a balloon catheter. MATERIALS AND METHODS: A total of 92 patients underwent transjugular hepatic venous pressure measurements w ... Full text Link to item Cite

Vascular radiology: Case 8

Chapter · January 19, 2012 Cite

Vascular radiology

Chapter · January 19, 2012 Cite

Vascular radiology: Case 15

Chapter · January 19, 2012 Cite

Vascular radiology: Case 11

Chapter · January 19, 2012 Cite

Vascular radiology: Case 2

Chapter · January 19, 2012 Cite

Analysis of infection risk following covered stent exclusion of pseudoaneurysms in prosthetic arteriovenous hemodialysis access grafts.

Journal Article J Vasc Interv Radiol · January 2012 PURPOSE: To determine whether exclusion of pseudoaneurysms with the use of a covered stent in prosthetic arteriovenous (AV) hemodialysis access grafts impacts the incidence of eventual AV graft infection. MATERIALS AND METHODS: Review of an interventional ... Full text Link to item Cite

Visual complications after stent-assisted endovascular embolization of paraophthalmic and suprasellar variant superior hypophyseal aneurysms: the Duke Cerebrovascular Center experience in 57 patients.

Journal Article World Neurosurg · 2012 OBJECTIVE: To review retrospectively experience with stent-assisted coiling of ophthalmic segment internal carotid artery (ICA) aneurysms to report outcome data and identify the rate of associated visual complications. METHODS: The Duke endovascular databa ... Full text Link to item Cite

Stent-assisted coil emboilization of ruptured intracranial aneurysms: A retrospective multicenter review.

Journal Article Surg Neurol Int · 2012 BACKGROUND: The purpose of this study is to retrospectively review our experience with stent-assisted embolization of patients with an acutely ruptured cerebral aneurysm. METHODS: Medical records and imaging were reviewed for 36 patients who underwent sten ... Full text Link to item Cite

Thromboembolic complications after Neuroform stent-assisted treatment of cerebral aneurysms: the Duke Cerebrovascular Center experience in 235 patients with 274 stents.

Journal Article Neurosurgery · August 2011 BACKGROUND: The Neuroform Stent has facilitated the endovascular treatment of wide-necked cerebral aneurysms. It is unknown which factors pose risks of thromboembolic events after stent placement. OBJECTIVE: This series is the largest single-center study r ... Full text Link to item Cite

Endovascular treatment of venous sinus thrombosis: a case report and review of the literature.

Journal Article J Neurointerv Surg · March 2011 Dural venous sinus thrombosis (DVST) is a pathological phenomenon resulting from vascular occlusion of the cerebral venous sinuses. The mainstay of therapy for DVST is anticoagulation but more aggressive interventional therapies must be considered when med ... Full text Link to item Cite

Bronchial artery embolization for hemoptysis.

Journal Article Semin Intervent Radiol · March 2011 Bronchial artery angiography with embolization has become a mainstay in the treatment of hemoptysis. Major complications are rare and immediate clinical success defined as cessation of hemorrhage ranges in most series from 85% to 100%, although recurrence ... Full text Link to item Cite

Endovascular management of inadvertent brachiocephalic arterial catheterization.

Journal Article J Neurosurg · January 2011 OBJECT: Inadvertent catheterization of brachiocephalic arteries (carotid artery, subclavian artery, or vertebral artery) during attempted placement of a central venous catheter can have potentially disastrous complications. While removal of the catheter in ... Full text Link to item Cite

Bronchial artery arising from the left vertebral artery: case report and review of the literature.

Journal Article J Clin Imaging Sci · 2011 Knowledge of bronchial artery anatomy, including the possible locations of anomalous origin, is essential for complete catheter directed embolization for massive hemoptysis. Undetected anomalous bronchial arteries can be a source of failed bronchial artery ... Full text Link to item Cite

Gastrostomy-to-gastrojejunostomy tube conversion: impact of the method of original gastrostomy tube placement.

Journal Article J Vasc Interv Radiol · July 2010 PURPOSE: To determine the outcome of gastrostomy tube-to-gastrojejunostomy tube conversion on the basis of the method of original gastrostomy tube placement. MATERIALS AND METHODS: One hundred twenty-four patients (age range, 13-87 years; 72 male and 52 fe ... Full text Link to item Cite

Transjugular biopsy results in the transplanted liver: comparison of two surgical hepatic venous anastomotic configurations in 269 consecutive biopsies over a 14-year period.

Journal Article J Vasc Interv Radiol · April 2010 PURPOSE: To compare the results of transjugular liver biopsy in patients who have undergone liver transplantation via an inline versus a "piggyback" hepatic venous surgical anastomosis. MATERIALS AND METHODS: From October 1994 to July 2008 (165 months), 26 ... Full text Link to item Cite

Provocative mesenteric angiography for lower gastrointestinal hemorrhage: results from a single-institution study.

Journal Article J Vasc Interv Radiol · April 2010 PURPOSE: To determine the diagnostic capability, complication rate, and potential predictors of success for provocative mesenteric angiography in patients with obscure and recurrent lower gastrointestinal (GI) hemorrhage. MATERIALS AND METHODS: Thirty-four ... Full text Link to item Cite

Glucagon-induced vasospasm of hepatic artery branches during visceral angiography.

Journal Article Cardiovasc Intervent Radiol · July 2008 Glucagon is often used in radiology to decrease bowel motility for enhanced imaging, including visceral digital subtraction angiography. We present a case in which branch hepatic artery vasospasm followed the intravenous administration of glucagon during v ... Full text Link to item Cite

Carotid artery angioplasty and stent placement: postprocedural hemorrhage and delayed pseudoaneurysm formation.

Journal Article J Vasc Interv Radiol · April 2008 The authors present a case study of a neck hematoma presenting within hours of carotid artery stent placement. Subsequently, delayed pseudoaneurysm formation was noted. The purpose of this communication is to describe this case and present the treatment op ... Full text Link to item Cite

Acute compartment syndrome related to stent-graft exclusion of a popliteal arterial aneurysm.

Journal Article Semin Intervent Radiol · September 2007 The purpose of this morbidity and mortality case report is to discuss a characteristic of the Viabahn (W.L. Gore, Newark, DE) stent-graft deployment as well as a complication related to wire trauma during endovascular exclusion of a popliteal artery aneury ... Full text Link to item Cite

Indirect Complication of AV Graft Thrombectomy-Thrombolysis Secondary to Previously Attempted Placement of a Temporary Hemodialysis Catheter.

Journal Article Semin Intervent Radiol · September 2007 Common interventional procedures on frequently encountered patients may wrongly place one on a track that deals with the task at hand while not assessing the global patient. Nowhere is this more problematic than in the dialysis population where in the cour ... Full text Link to item Cite

Caval Penetration with Retroperitoneal Hemorrhage Following Placement of an Inferior Vena Cava (IVC) Filter.

Journal Article Semin Intervent Radiol · September 2007 Placement of inferior vena cava (IVC) filters is an increasingly common request at our institution. The rise in utilization of caval filtration is probably multifactorial and includes pulmonary embolism (PE) prophylaxis most notably in the setting of traum ... Full text Link to item Cite

Subintimal stent graft reconstruction of an infrarenal aortic occlusion.

Journal Article Semin Intervent Radiol · March 2007 The traditional approach to revascularization in aortoiliac disease is surgical. Endovascular treatment techniques for revascularization have emerged in recent years and have resulted in less invasive options for management of vascular disease. In this art ... Full text Link to item Cite

Endovascular treatment of inadvertent cannulation of the vertebro-subclavian arterial junction.

Journal Article Neurocrit Care · 2007 INTRODUCTION: Inadvertent arterial cannulation at a noncompressible site is a highly risky complication of central venous line placement. SUMMARY OF CASE: We present a case of inadvertent placement of a 6-French venous sheath into the right subclavian arte ... Full text Link to item Cite

Embolization in the external carotid artery.

Journal Article J Vasc Interv Radiol · December 2006 The technical skill set of peripheral interventional radiologists is well-suited to the performance of most transcatheter embolization procedures in the external carotid artery (ECA). These procedures center in large part on hypervascular tumors, epistaxis ... Full text Link to item Cite

Radiation hand exposure during restoration of flow to the thrombosed dialysis access graft.

Journal Article J Vasc Interv Radiol · October 2006 PURPOSE: To determine radiation dose to the hands of interventional radiologists during restoration of flow to thrombosed dialysis access grafts. MATERIALS AND METHODS: Sixty-two procedures were performed in 54 patients with thrombosed synthetic arterioven ... Full text Link to item Cite

Sepsis in the interventional radiology patient.

Journal Article Tech Vasc Interv Radiol · June 2006 Sepsis is a problem frequently encountered by interventional radiologists since they are often asked to perform procedures on patients already septic. Occasionally, patients may become septic during interventional procedures. Both of these mandate interven ... Full text Link to item Cite

Retrieval of the Günther Tulip and OptEase filters using the recovery cone removal system.

Journal Article J Vasc Interv Radiol · May 2006 The Recovery Cone Removal System was evaluated in vitro to determine its feasibility as an alterative retrieval device for the Günther tulip and OptEase inferior vena cava filters. The cone removal system was then used electively in eight patients to deter ... Full text Link to item Cite

Angiographic diagnosis and endovascular management of nonvariceal gastrointestinal hemorrhage.

Journal Article Gastroenterol Clin North Am · December 2005 Diagnostic angiography still plays an essential role in the diagnosis of patients,particularly those with acute lower GI bleeding. Transcatheter therapy appears to be a viable treatment alternative in selected patients with GI bleeding. Many interventionis ... Full text Link to item Cite

Intra-arterial thrombolytic therapy in peri-coronary angiography ischemic stroke.

Journal Article Stroke · May 2005 BACKGROUND: Intra-arterial thrombolysis (IAT) for peri-coronary angiography (CA) stroke may be safe and efficacious. However, IAT may increase the risk of intracranial hemorrhage (ICH). METHODS: A retrospective study was performed involving 3 university ho ... Full text Link to item Cite

Thrombolytic therapy of acute ischemic stroke: correlation of angiographic recanalization with clinical outcome.

Journal Article AJNR Am J Neuroradiol · April 2005 BACKGROUND AND PURPOSE: The effect of vessel patency, following recombinant tissue plasminogen activator (rtPA) administration, on clinical outcome in acute ischemic stroke (AIS) has been controversial. We studied the effect of recanalization following int ... Link to item Cite

Primary endovascular therapy with clot retrieval and balloon angioplasty for acute basilar artery occlusion.

Journal Article Pediatr Neurosurg · 2005 This case report demonstrates that mechanical clot disruption and retrieval may be performed safely and successfully in a child with basilar artery (BA) thrombosis. A 16-year-old boy presented to our institution with locked-in syndrome 20 h after symptom o ... Full text Link to item Cite

Early carotid artery stenting and angioplasty in patients with acute ischemic stroke.

Journal Article Neurosurgery · December 2004 OBJECTIVE: To determine the safety of early percutaneous endovascular carotid angioplasty and stenting (CAS) after an ischemic stroke. METHODS: The neurointerventional database was reviewed for patients who underwent CAS after an acute ischemic stroke in t ... Full text Link to item Cite

Transhepatic catheter access for hemodialysis.

Journal Article Radiology · July 2004 PURPOSE: To retrospectively review the authors' experience regarding the safety and functionality of transhepatic hemodialysis catheters. MATERIALS AND METHODS: Sixteen patients (seven men and nine women aged 21-77 years; mean age, 51.6 years) underwent pl ... Full text Link to item Cite

Antibiotic prophylaxis in interventional radiology.

Journal Article J Vasc Interv Radiol · June 2004 Despite several decades of advances in both minimally invasive techniques and antibiotic therapy, infection remains one of the more common complications of invasive procedures. Interventional radiology (IR) has traditionally been believed to be associated ... Full text Link to item Cite

Sepsis in the interventional radiology patient.

Journal Article J Vasc Interv Radiol · April 2004 Interventional radiologists often treat patients who are at risk of becoming acutely septic while in the radiology department. Identifying those most at risk and initiating treatment plans before the acute situation are fundamental to this difficult group ... Full text Link to item Cite

Why coat a stent with polymer?

Journal Article Radiology · January 2004 Full text Link to item Cite

The superficial femoral vein.

Journal Article Radiology · November 2003 Full text Link to item Cite

Delayed stenosis following placement of a polyethylene terephthalate endograft in the cervical carotid artery. Report of three cases.

Journal Article J Neurosurg · February 2003 Three patients with carotid artery (CA) pseudoaneurysms were treated using four polyethylene terephthalate endografts (Wallgraft endoprostheses). Two patients received a single graft and one patient with bilateral pseudoaneurysms received two grafts. Compl ... Full text Link to item Cite

Transjugular biopsy of the liver in pediatric and adult patients using an 18-gauge automated core biopsy needle: a retrospective review of 410 consecutive procedures.

Journal Article AJR Am J Roentgenol · January 2003 OBJECTIVE: The aim of our study was to evaluate the safety and efficacy of transjugular biopsy of the liver in a large population of patients using an 18-gauge automated core biopsy needle. MATERIALS AND METHODS: A total of 371 patients underwent 410 attem ... Full text Link to item Cite

Acute pulmonary thromboembolism: comparison of the diagnostic capabilities of conventional film-screen and digital angiography.

Journal Article Chest · September 2002 STUDY OBJECTIVE: To compare digital to conventional film-screen pulmonary angiography for the diagnosis of acute pulmonary embolism (PE) in a clinical population. DESIGN: Retrospective review of patient data, ventilation/perfusion (V/Q) lung scintigraphy r ... Full text Link to item Cite

Thin-section multidetector CT angiography of renal artery stents.

Journal Article AJR Am J Roentgenol · May 2002 OBJECTIVE: This study was undertaken as a pilot investigation to compare multidetector CT angiography with conventional catheter angiography for the visualization of the renal artery lumen after renal artery stent placement. SUBJECTS AND METHODS: CT angiog ... Full text Link to item Cite

Treatment of an iatrogenic petrous carotid artery pseudoaneurysm with a Symbiot covered stent: technical case report.

Journal Article Neurosurgery · March 2002 OBJECTIVE AND IMPORTANCE: Surgery involving the middle ear or the temporal bone may cause an injury to the petrous carotid artery resulting in a pseudoaneurysm. Conventional treatment of such pseudoaneurysms has ranged from carotid occlusion to conservativ ... Full text Link to item Cite

Nonlocalized lower gastrointestinal bleeding: provocative bleeding studies with intraarterial tPA, heparin, and tolazoline.

Journal Article J Vasc Interv Radiol · November 2001 PURPOSE: The purpose of this study was to assess the efficacy and safety of provocative mesenteric angiography with tissue plasminogen activator (tPA), heparin, and tolazoline in patients with nonlocalized lower gastrointestinal (LGI) bleeding. Results wer ... Full text Link to item Cite

Conversion of indwelling chest port catheters to tunneled central venous catheters.

Journal Article J Vasc Interv Radiol · October 2000 PURPOSE: To determine the safety and efficacy of the conversion of subcutaneous chest wall infusion ports to tunneled central venous catheters. MATERIALS AND METHODS: During a period of 34 months, 67 patients were referred for conversion of indwelling subc ... Full text Link to item Cite

Provocative angiography in patients with gastrointestinal hemorrhage of obscure origin.

Journal Article Am J Gastroenterol · October 2000 OBJECTIVE: A standard diagnostic evaluation including upper and/or lower endoscopy, tagged red blood cell scintigraphy, and visceral angiography identifies the source of GI bleeding in the majority of patients who present with acute GI hemorrhage. However, ... Full text Link to item Cite

Pulmonary embolism: what's wrong with this diagnosis?

Journal Article AJR Am J Roentgenol · June 2000 Full text Link to item Cite

Endovascular treatment of cerebral vasospasm.

Journal Article J Vasc Interv Radiol · May 2000 Full text Link to item Cite

Variability of Doppler US measurements along the common carotid artery: effects on estimates of internal carotid arterial stenosis in patients with angiographically proved disease.

Journal Article Radiology · February 2000 PURPOSE: To determine the effect of variability of common carotid arterial (CCA) velocities on velocity ratios used to assess internal carotid arterial (ICA) stenosis. MATERIALS AND METHODS: Doppler ultrasonographic (US) velocity measurements were obtained ... Full text Link to item Cite

Ventilation-perfusion lung scintigraphy as a guide for pulmonary angiography in the localization of pulmonary emboli.

Journal Article Radiology · October 1999 PURPOSE: To assess the appropriateness of ventilation-perfusion (V-P) scintigraphic abnormalities as a guide to pulmonary angiography for the diagnosis of pulmonary embolism (PE). MATERIALS AND METHODS: V-P scintigrams and pulmonary angiograms of 104 patie ... Full text Link to item Cite

Acute hemodynamic changes during carotid artery stenting.

Journal Article Am J Cardiol · November 1, 1998 To determine the clinical significance of acute hemodynamic disturbances during stenting in the carotid sinus region, we assessed the relation between intraprocedural changes in heart rate (HR) and blood pressure (BP) and adverse neurologic and cardiac out ... Full text Link to item Cite

Cerebral thrombolysis in the patient suffering from acute stroke

Journal Article Techniques in Vascular and Interventional Radiology · January 1, 1998 Stroke is a leading cause of death and disability in developed countries. Intervention in the patient suffering from acute stroke now includes thrombolytic therapy. Intravenous (IV) thrombolytic therapy is becoming widely applied with somewhat varying resu ... Full text Cite

Interventional therapy for acute stroke

Journal Article Journal of Vascular and Interventional Radiology · January 1, 1998 Full text Cite

Percutaneous cholecystostomy: who responds?

Journal Article AJR Am J Roentgenol · May 1997 OBJECTIVE: Our purpose was to identify clinical or radiologic features predictive of response to percutaneous cholecystostomy performed for the treatment of acute cholecystitis. MATERIALS AND METHODS: The clinical records and radiologic images of patients ... Full text Link to item Cite

Percutaneous transhepatic liver biopsy with tract embolization.

Journal Article Radiology · March 1996 PURPOSE: To determine the success and safety of percutaneous transhepatic liver biopsy with tract embolization (PBTE) in patients at risk for standard transhepatic biopsy. MATERIALS AND METHODS: Eighty biopsies were performed in 76 patients with diffuse li ... Full text Link to item Cite

Radiologic intervention in the acute stroke patient.

Journal Article J Vasc Interv Radiol · 1996 Overall, stroke is a common disease that can have devastating results. Treatment of stoke has been, for the most part, supportive in nature. Recently, more aggressive intervention has been used, particularly thrombolysis. Although such intervention can hav ... Full text Link to item Cite

Prospective evaluation of pulmonary artery pressures during pulmonary angiography performed with low-osmolar nonionic contrast media.

Journal Article J Vasc Interv Radiol · 1996 PURPOSE: To determine the effects of pulmonary angiography performed with low-osmolar, nonionic contrast media on pulmonary artery pressures. PATIENTS AND METHODS: In a prospective, uncontrolled clinical trial, pulmonary artery pressures (systolic, diastol ... Full text Link to item Cite

Pulmonary angiography performed with iopamidol: complications in 1,434 patients.

Journal Article Radiology · January 1996 PURPOSE: To evaluate the safety of pulmonary angiography performed with iopamidol compared with pulmonary angiography performed with ionic contrast media. MATERIALS AND METHODS: The data in 1,434 patients who underwent pulmonary angiography with iopamidol ... Full text Link to item Cite

Preoperative transarterial embolization of spinal column neoplasms.

Journal Article J Vasc Interv Radiol · 1995 PURPOSE: To determine the safety and value of vertebral column embolization before surgical resection of vascular neoplastic disease. PATIENTS AND METHODS: Thirty preoperative embolization procedures were performed in 20 patients with vascular neoplasms of ... Full text Link to item Cite

Treatment of dural sinus thrombosis by urokinase infusion.

Journal Article AJNR Am J Neuroradiol · May 1994 PURPOSE: To gain a preliminary understanding of the role of thrombolytic therapy for the thrombosed dural sinus, we retrospectively reviewed our initial experience. METHODS: Seven patients, ages 25 to 71, who presented with symptomatic dural sinus thrombos ... Link to item Cite

The efficacy of endosaccular aneurysm occlusion in alleviating neurological deficits produced by mass effect.

Journal Article J Neurosurg · April 1994 Endovascular obliteration of intracranial aneurysms with preservation of the parent artery (endosaccular occlusion) has been advocated for patients who fail or are excluded from surgical clipping and cannot undergo Hunterian ligation therapy. To clarify th ... Full text Link to item Cite

A retrievable nitinol vena cava filter: experimental and initial clinical results.

Journal Article J Vasc Interv Radiol · 1994 PURPOSE: The authors describe the properties of a new retrievable nitinol vena cava filter and report experimental and initial clinical results. MATERIALS AND METHODS: The filters, made of nitinol monofilament wire that forms a spiral cone and retrieval wi ... Full text Link to item Cite

Endovascular platinum coil embolization of incompletely surgically clipped cerebral aneurysms.

Journal Article Surg Neurol · January 1994 The natural history of incompletely clipped intracranial aneurysms is largely unknown. The authors present two cases of residual aneurysm filling after surgical clipping which were successfully managed by intravascular placement of platinum coils. Manageme ... Full text Link to item Cite

Experimental Evaluation of a Retrievable Vena Cava Filter

Journal Article Vascular and Endovascular Surgery · January 1, 1994 A new retrievable filter, consisting of a helical basket of ten stainless steel wires and a retrieval cable, was tested in 7 adult sheep. The filter was inserted into the infrarenal vena cava through a 9-F sheath and fixed subcutaneously by a stabilizing b ... Full text Cite

Nitinol intravascular stent: results of preclinical evaluation.

Journal Article Radiology · December 1993 PURPOSE: To test an expandable nitinol intraluminal stent for hoop strength, biocompatibility, corrosion resistance, and patency. MATERIALS AND METHODS: Forty-four stents were implanted in the iliac arteries of 22 sheep. Follow-up was performed with angiog ... Full text Link to item Cite

Endovascular treatment of vertebral artery dissections and pseudoaneurysms.

Journal Article J Neurosurg · August 1993 Sixteen patients with dissecting aneurysms or pseudoaneurysms of the vertebral artery, 12 involving the intradural vertebral artery and four occurring in the extradural segment, were treated by endovascular occlusion of the dissection site. Patients with v ... Full text Link to item Cite

Transluminal angioplasty for atherosclerotic disease of the vertebral and basilar arteries.

Journal Article J Neurosurg · February 1993 Transluminal angioplasty for hemodynamically significant stenosis (> 70%) involving the posterior cerebral circulation is now being performed by the authors in selected cases. A total of 42 lesions affecting the vertebral or basilar artery have been succes ... Full text Link to item Cite

Transarterial embolization of vertebral hemangioma.

Journal Article J Vasc Interv Radiol · 1993 PURPOSE: The authors retrospectively reviewed their 4-year clinical experience to determine the role of transarterial embolization in the treatment of symptomatic vertebral hemangioma. PATIENTS AND METHODS: Eight patients (age range, 12-56 years) underwent ... Full text Link to item Cite

Microcatheter retrieval device for intravascular foreign body removal.

Journal Article AJNR Am J Neuroradiol · 1993 A microcatheter foreign body retrieval device is described and its first two clinical applications are presented. The device functions identically to larger loop snare retrievers. It permits access to small vessels and was successful in its first clinical ... Link to item Cite

An endovascular retrieving device for use in small vessels.

Journal Article AJNR Am J Neuroradiol · 1993 A new retrieval device for use in small vessels was evaluated in a canine model. Retrieval was attempted on 25 coils, three silicone balloons, and five catheter and guide wire fragments placed in the renal, pulmonary, hepatic, brachiocephalic, subclavian, ... Link to item Cite

Management of infrainguinal occluded vein bypasses with a combined approach of thrombolysis and surveillance. A prospective study.

Journal Article Arch Surg · August 1992 Intra-arterial thrombolysis with urokinase was attempted on 23 occluded infrainguinal vein bypasses. Lesions revealed by thrombolysis included 11 anastomotic stenoses, five midbypass stenoses, five native artery stenoses, and five unusable diffusely stenot ... Full text Link to item Cite

Effect of antineoplastic agents on smooth muscle cell proliferation in vitro: implications for prevention of restenosis after transluminal angioplasty.

Journal Article J Vasc Interv Radiol · May 1992 The effect of several antineoplastic agents on vascular smooth muscle cell proliferation was studied in vitro. Both fluorouracil and cytarabine produced significant concentration-dependent inhibition of smooth muscle cell proliferation in cultured porcine ... Full text Link to item Cite

Comparison of the efficacy of digital subtraction and film-screen angiography of the lower limb: prospective study in 50 patients.

Journal Article AJR Am J Roentgenol · February 1992 We prospectively compared current digital subtraction angiography (DSA) with conventional film-screen angiography (FSA) of the lower limb for evaluation of areas of arterial stenosis and degree of arterial visualization. Fifty patients had both DSA and FSA ... Full text Link to item Cite

Time course of satisfaction of search.

Journal Article Invest Radiol · July 1991 "Satisfaction of search" (SOS) refers to the effect in which a second lesion remains undetected after detection of another lesion on the same radiograph. The objective of this study was to clarify our understanding of SOS by relating it to total time of in ... Full text Link to item Cite

Randomized double-blind trial of midazolam/placebo and midazolam/fentanyl for sedation and analgesia in lower-extremity angiography.

Journal Article AJR Am J Roentgenol · July 1991 Safety and efficacy of two drug regimens used for sedation and analgesia during lower-extremity angiography were studied. Midazolam (loading dose 14.5 micrograms/kg; maintenance dose, 7.2 micrograms/kg) with or without fentanyl (loading dose, 0.725 microgr ... Full text Link to item Cite

Nephrotoxicity from contrast material in renal insufficiency: ionic versus nonionic agents.

Journal Article Radiology · June 1991 Controversy exists over whether use of low-osmolality contrast agents is of any benefit in mitigating the risk of contrast material-induced nephrotoxicity (CN) in patients with impaired renal function. To test this hypothesis, 101 adult inpatients with hig ... Full text Link to item Cite

Hematoma formation after diagnostic angiography: effect of catheter size.

Journal Article J Vasc Interv Radiol · May 1991 The authors studied the effect of catheter size on the development of hematomas after catheterization. Four hundred ninety-nine patients who underwent routine diagnostic angiography were randomized to receive either 5-F or 7-F catheters. Small hematomas we ... Full text Link to item Cite

Two urokinase dose regimens in native arterial and graft occlusions: initial results of a prospective, randomized clinical trial.

Journal Article Radiology · March 1991 The effects of two urokinase (UK) dose regimens on lysis time, lytic success, primary clinical success, and frequency of complications of peripheral thrombolysis were compared. Seventy-two intraarterial UK infusions were performed by means of standard cath ... Full text Link to item Cite

Six-month follow-up after thermal balloon angioplasty in canine iliac arteries.

Journal Article Cardiovasc Intervent Radiol · 1991 We performed thermal balloon angioplasty in 10 iliac arteries in 5 mongrel dogs. By perfusing a modified angioplasty balloon with hot (100 degrees C) saline, a mean balloon temperature of 84 degrees C was obtained. Angiographic and histologic follow-up at ... Full text Link to item Cite

Thermal balloon angioplasty in a canine model: preliminary results.

Journal Article J Vasc Interv Radiol · November 1990 Preliminary results suggest that thermal balloon angioplasty (BA) may produce plaque welding, decreased elastic recoil, and increased luminal caliber. The authors report results of a simple method of thermal BA in a canine model. Seven mongrel dogs (15-25 ... Full text Link to item Cite

Peripheral atherectomy: experimental results with a new device.

Journal Article J Vasc Interv Radiol · November 1990 The size of present rotational atherectomy devices is limited in part by a tendency to produce vessel torsion. The authors designed and investigated a large-bore rotational atherectomy device for peripheral atherectomy in a single pass without significant ... Full text Link to item Cite

Plaque modification with tetracycline: enhanced tissue ablation with the excimer laser.

Journal Article Radiology · March 1990 Tetracycline has been shown to collect selectively in atherosclerotic plaque and is a known photosensitizing agent. To determine if tetracycline enhances the photoablative effects of the ultraviolet xenon-fluorine excimer laser, the authors exposed four ca ... Full text Link to item Cite

New guide wire for high-flow infusion.

Journal Article Radiology · March 1990 A new open-ended guide wire with a large internal diameter was compared with two other open-ended guide-wire and catheter infusion systems. Simple experiments were performed to compare flow rates and ability to track. The larger internal diameter of the ne ... Full text Link to item Cite

Techniques for lower-limb angiography: a comparative study.

Journal Article Radiology · March 1990 Three separate variables--volume of contrast material, site of contrast material injection, and arterial inflow occlusion--were tested in a prospective, randomized fashion in 52 patients to determine the best technique for lower-limb angiography. Twelve pa ... Full text Link to item Cite

Cardiovascular/interventional radiology

Journal Article Radiology · January 1, 1990 Cite

Improved allograft arteriography with balloon occlusion techniques

Journal Article Seminars in Interventional Radiology · January 1, 1990 Full text Cite

A stepless needle-dilator for expedient percutaneous catheterization: technical note.

Journal Article Cardiovasc Intervent Radiol · 1990 A new stepless needle-dilator is described which allows arterial puncture and dilation in a single step using a single wall puncture technique. The new needle-dilator causes significantly less arterial damage than a conventional dilator (p less than 0.05). ... Full text Link to item Cite

Vascular applications of laser.

Journal Article Radiology · September 1989 The authors review the current experimental and clinical literature relating to the use of lasers in peripheral vascular disease. During the past few years, significant strides have been made in effective harnessing of laser energy for percutaneous revascu ... Full text Link to item Cite

Thrombus-trapping efficiency of the Greenfield filter in vivo.

Journal Article Radiology · September 1989 A total of 100 radiopaque blood clots were injected into seven adult sheep under fluoroscopic observation to assess the clot-trapping efficiency of the Greenfield vena caval filter. Eleven percent of the clots passed through the filter, with all failures l ... Full text Link to item Cite

Incidental fibromuscular dysplasia in potential renal donors: long-term clinical follow-up.

Journal Article Radiology · July 1989 The clinical natural history of renal arterial fibromuscular dysplasia (FMD) in patients with normal blood pressure is unknown, to the authors' knowledge. The authors reviewed the results of 1,862 renal angiograms obtained in potential renal donors. FMD wa ... Full text Link to item Cite

Percutaneous ablation of a facial vein aneurysm

Journal Article Journal of Interventional Radiology · June 1, 1989 Venous aneurysms are rare and interventional treatment offers an alternative to an often complicated surgical procedure. The first successful percutaneous ablation of a large facial vein aneurysm is reported. © 1989. ... Cite

Thrombosed polytetrafluoroethylene hemodialysis fistulas: salvage with combined thrombectomy and angioplasty.

Journal Article Radiology · May 1989 Combined thrombectomy and angioplasty was performed for 19 thrombosed polytetrafluoroethylene grafts. Patency for more than 1 week was achieved in 16 of the 19 grafts (84%). The average duration of graft function after angioplasty in all 19 grafts was 7.1 ... Full text Link to item Cite

Political trends in vascular and interventional radiology: a randomized survey.

Journal Article Radiology · March 1989 There is a trend in the United States toward the performance of vascular and interventional radiology procedures by nonradiologists. A survey was conducted of 2.069 U.S. radiologists to define better the current status of and gather opinions on the future ... Full text Link to item Cite

Non-surgical treatment of iliac artery rupture following angioplasty

Journal Article Journal of Interventional Radiology · March 1, 1989 Rupture of an iliac artery during percutaneous transluminal angioplasty is rare, but can be life threatening. When arterial rupture occurs, the site should be tamponaded with the angioplasty balloon and plans should be made for surgical repair of the arter ... Cite

Percutaneous ureteral clipping: Technique and results

Journal Article Seminars in Interventional Radiology · January 1, 1989 Full text Cite

Urine leaks after renal transplantation: value of percutaneous pyelography and drainage for diagnosis and treatment.

Journal Article AJR Am J Roentgenol · September 1988 We reviewed our experience with 12 renal transplant patients who had urine leaks to compare the accuracies of sonography and nuclear renography with that of antegrade pyelography in establishing the diagnosis. The leak was proved by surgery in 11 of the 12 ... Full text Link to item Cite

Urinary obstruction in renal transplants: diagnosis by antegrade pyelography and results of percutaneous treatment.

Journal Article AJR Am J Roentgenol · September 1988 We reviewed our experience with 51 renal transplants to evaluate the accuracy of antegrade pyelography as compared with that of sonography and nuclear renography in the diagnosis of transplant obstruction. Also, the results of percutaneous treatment were a ... Full text Link to item Cite

Lower-extremity venous thrombosis: comparison of venography, impedance plethysmography, and intravenous manometry.

Journal Article Radiology · July 1988 This study was undertaken to compare impedance plethysmography with lower-extremity venography and venous manometry in the diagnosis of acute deep venous thrombosis (DVT) of the lower extremity. Ninety-six extremities were studied. In this population, in w ... Full text Link to item Cite

Spermatic vein embolization with hot contrast material: fertility results.

Journal Article Radiology · July 1988 Spermatic venography with hot contrast material embolization was undertaken in 81 patients with varicoceles and infertility. Long-term follow-up information was available in 91% of the patients, and there was an overall conception rate of 40.5%. Embolizati ... Full text Link to item Cite

Current trends in the management of urinary stones

Journal Article Acta Radiologica · January 1, 1988 The treatment of renal and ureteral stones has undergone rapid and major changes over the past ten years. Extracorporeal Shockwave lithotripsy has become the most commonly used modality for the treatment of renal and upper ureteral stones. Lower ureteral s ... Full text Cite

Subaortic aneurysm of the left ventricle.

Journal Article Am J Cardiovasc Pathol · 1988 A subaortic aneurysm of the left ventricle resulting in massive hemopericardium is described. The anatomy of the aortic anulus, aortic valve, and pericardial reflections at the base of the heart are constructed in a manner that allows the migration of bloo ... Link to item Cite

Current trends in the management of urinary stones.

Journal Article Acta Radiol · 1988 The treatment of renal and ureteral stones has undergone rapid and major changes over the past ten years. Extracorporeal shockwave lithotripsy has become the most commonly used modality for the treatment of renal and upper ureteral stones. Lower ureteral s ... Link to item Cite

Percutaneously applied ureteral clips: treatment of vesicovaginal fistula.

Journal Article Radiology · June 1987 Percutaneous techniques to manage urinary fistulas have had limited success. To overcome this, self-closing metallic clips were developed to occlude the ureter. The clips are applied through a percutaneously placed 30-F Teflon sheath. A case is reported in ... Full text Link to item Cite

Improved vessel dilator for percutaneous catheterization.

Journal Article Radiology · April 1987 Three commercial vessel dilators and a dilator of an improved design were tested during percutaneous catheterization in 16 mongrel dogs to evaluate arterial damage produced with their use. The results indicate that, although all dilators often produce arte ... Full text Link to item Cite

Direct percutaneous ureterolithotomy.

Journal Article AJR Am J Roentgenol · March 1987 Full text Link to item Cite

Safe splenoportography.

Journal Article Radiology · March 1987 The records of 37 patients who had undergone splenoportography, including one group of 12 who were studied before 1976 and a second group of 25 who were studied after 1977, were reviewed. The primary difference was that in the second group, the tract in th ... Full text Link to item Cite

Balloon occlusion femoral angiography prior to in-situ saphenous vein bypass.

Journal Article Cardiovasc Intervent Radiol · 1987 The advent of the in situ saphenous vein bypass procedure for peripheral lower extremity ischemic disease has placed new demands on the angiographer. It is imperative that the small runoff arteries of the calf be seen beyond the level of the ankle to inclu ... Full text Link to item Cite

Misplacement of a vena cava filter in the retroperitoneum.

Journal Article Cardiovasc Intervent Radiol · 1987 An inferior vena cava filter was misplaced into the pericaval retroperitoneum. This was probably secondary to placement into and avulsion of the right spermatic vein. The filter delivery system was modified, and such misplacement should now be impossible. ... Full text Link to item Cite

Percutaneous transhepatic biliary endoscopic procedures.

Journal Article Gastrointest Radiol · 1987 Two cases are presented to demonstrate the acceptability of the percutaneous route for performing endoscopic procedures in the biliary tree. They involved debridement of an atypical villoglandular polyp and ultrasonic lithotripsy of intrahepatic stones. Bo ... Full text Link to item Cite

Limited usefulness of carbon dioxide as a contrast agent for cholangiography.

Journal Article Gastrointest Radiol · 1987 Carbon dioxide (CO2) was unsuccessfully used as a biliary contrast agent in 9 of 10 patients undergoing percutaneous transhepatic cholangiography prior to biliary drainage. The technique involved hand injection of 10-20 cc CO2 through the Chiba needle in a ... Full text Link to item Cite

Experience with the Amplatz retrievable vena caval filter. Work in progress.

Journal Article Radiology · December 1986 The Amplatz retrievable vena caval filter was designed in an attempt to decrease complications associated with the placement of Mobin-Uddin or Kimray-Greenfield filters. The design allows percutaneous retrieval, thus expanding application of the filter to ... Full text Link to item Cite

New super-stiff guide wire.

Journal Article Radiology · November 1986 A super-stiff spring guide wire is described, which overcomes some of the drawbacks of the Lunderquist-Ring guide wire. The new wire couples maximum stiffness with a smooth, gradual transition to a floppy tip, thus decreasing the likelihood of breakage and ... Full text Link to item Cite

A new retention catheter.

Journal Article Radiology · August 1986 A new retention catheter made of a soft, biocompatible material is described. It has the advantages of the Cope- and Malecot-type systems without their inherent disadvantages. It is easily introduced into virtually any fluid collection and is optimal for s ... Full text Link to item Cite

Movable core guide wire: evaluation of improved model.

Journal Article Radiology · May 1986 Six commercially available movable core guide wires were compared with each other and with a new design in glass models simulating tortuous vessels. The results demonstrate a wide variability in performance of the commercially available wires and the super ... Full text Link to item Cite