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James Spencer Ronald

Associate Professor of Radiology
Radiology
DUMC 3808, Duke North, 2301 Erwin Road, Room 1502, 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

Increasing utilization of contrast-enhanced ultrasound during abdominal biopsies: impact of an educational training program.

Journal Article J Ultrasound · February 8, 2024 RATIONAL AND OBJECTIVES: To increase utilization of contrast-enhanced ultrasound (CEUS) during ultrasound-guided targeted liver biopsies. MATERIAL AND METHODS: Two educational training interventions performed to increase use of CEUS. First, 14 radiologists ... Full text Link to item Cite

Computed Tomography Volumetry of Bone Cement: Retrospective Blinded Validation of Commercially Available Semi-automated Edge Detection Software.

Journal Article J Comput Assist Tomogr · February 5, 2024 OBJECTIVE: Cement volumes are increasingly linked to orthopedic oncology and neurosurgical outcomes (construct durability, adjacent fracture), but manual cement volumetry remains time prohibitive. The authors aim to report performance of PACS-integrated vo ... Full text Link to item Cite

Vortex-assisted resin y90 delivery via 175 cm Truselect microcatheter: case factors for high residual despite double-flush protocol.

Journal Article Nucl Med Commun · January 1, 2024 PURPOSE: To report efficiency of resin y90 delivery using SIROS via 175 cm TruSelect microcatheter with double-flush protocol (40 ml dextrose total). METHODS: IRB-approved retrospective review of all patients undergoing SIROS injection of y90 Sir-Spheres v ... Full text Link to item Cite

Yttrium-90 Radioembolization of a Large Hepatic Hemangioma.

Journal Article Cardiovasc Intervent Radiol · January 2024 Full text Link to item Cite

First experience of evaluation of the impact of high-matrix size reconstruction in image quality in arterial CT runoff studies of the lower extremities.

Journal Article Eur Radiol · December 2023 OBJECTIVES: To determine whether image reconstruction with a higher matrix size improves image quality for lower extremity CTA studies. METHODS: Raw data from 50 consecutive lower extremity CTA studies acquired on two MDCT scanners (SOMATOM Flash, Force) i ... Full text Link to item Cite

Intravascular Ultrasound Guidance for Transjugular Intrahepatic Portosystemic Shunt Creation Reduces Laboratory Markers of Acute Liver Injury.

Journal Article J Vasc Interv Radiol · October 2023 PURPOSE: To compare the laboratory markers of acute liver injury after transjugular intrahepatic portosystemic shunt (TIPS) creation performed using intravascular ultrasound (IVUS) guidance with those using other techniques. MATERIALS AND METHODS: This sin ... Full text Link to item Cite

A minimally invasive approach for management of pancreaticoduodenal artery and gastroduodenal artery aneurysm with celiac artery occlusion.

Journal Article J Vasc Surg Cases Innov Tech · September 2023 Management of pancreaticoduodenal artery aneurysms (PDAAs) and gastroduodenal artery aneurysms (GDAAs) with concomitant celiac occlusion represents a challenging clinical scenario. Here, we describe a 62-year-old female with PDAA and GDAA complicated by ce ... Full text Link to item Cite

Intravascular Ultrasound-Guided Transvenous Biopsy of Retroperitoneal Lymph Nodes: Diagnostic Accuracy and Safety Compared with CT-Guided Percutaneous Biopsy.

Journal Article J Vasc Interv Radiol · April 2023 PURPOSE: To compare the diagnostic accuracy and adverse event rates of intravascular ultrasound (US)-guided transvenous biopsy (TVB) versus those of computed tomography (CT)-guided percutaneous needle biopsy (PNB) for retroperitoneal (RP) lymph nodes. MATE ... Full text Link to item Cite

Utility of CBCT and AVD for intraprocedural diagnosis and treatment of lower GI bleeding.

Journal Article Clin Imaging · February 2023 BACKGROUND: Intraprocedural Cone Beam CT (CBCT) is assessed to examine if use improves diagnosis and embolization rates of acute lower GI bleed (LGIB) and if automatic vessel detection (AVD) software can identify feeding vessels (FV) for embolization. METH ... Full text Link to item Cite

Juxtametallic Bipolar Bone Radiofrequency Ablation: Thermal Monitoring in an Ex-Vivo Model with Specimen MRI and Histopathologic Correlation.

Journal Article J Vasc Interv Radiol · December 2022 PURPOSE: To measure the ablation zone temperature and nontarget tissue temperature during radiofrequency (RF) ablation in bone containing metal instrumentation versus no metal instrumentation (control group). MATERIALS AND METHODS: Ex vivo experiments were ... 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

Increasing utilization of contrast-enhanced ultrasound during abdominal biopsies: impact of an educational training program.

Journal Article J Ultrasound · February 8, 2024 RATIONAL AND OBJECTIVES: To increase utilization of contrast-enhanced ultrasound (CEUS) during ultrasound-guided targeted liver biopsies. MATERIAL AND METHODS: Two educational training interventions performed to increase use of CEUS. First, 14 radiologists ... Full text Link to item Cite

Computed Tomography Volumetry of Bone Cement: Retrospective Blinded Validation of Commercially Available Semi-automated Edge Detection Software.

Journal Article J Comput Assist Tomogr · February 5, 2024 OBJECTIVE: Cement volumes are increasingly linked to orthopedic oncology and neurosurgical outcomes (construct durability, adjacent fracture), but manual cement volumetry remains time prohibitive. The authors aim to report performance of PACS-integrated vo ... Full text Link to item Cite

Vortex-assisted resin y90 delivery via 175 cm Truselect microcatheter: case factors for high residual despite double-flush protocol.

Journal Article Nucl Med Commun · January 1, 2024 PURPOSE: To report efficiency of resin y90 delivery using SIROS via 175 cm TruSelect microcatheter with double-flush protocol (40 ml dextrose total). METHODS: IRB-approved retrospective review of all patients undergoing SIROS injection of y90 Sir-Spheres v ... Full text Link to item Cite

Yttrium-90 Radioembolization of a Large Hepatic Hemangioma.

Journal Article Cardiovasc Intervent Radiol · January 2024 Full text Link to item Cite

First experience of evaluation of the impact of high-matrix size reconstruction in image quality in arterial CT runoff studies of the lower extremities.

Journal Article Eur Radiol · December 2023 OBJECTIVES: To determine whether image reconstruction with a higher matrix size improves image quality for lower extremity CTA studies. METHODS: Raw data from 50 consecutive lower extremity CTA studies acquired on two MDCT scanners (SOMATOM Flash, Force) i ... Full text Link to item Cite

Intravascular Ultrasound Guidance for Transjugular Intrahepatic Portosystemic Shunt Creation Reduces Laboratory Markers of Acute Liver Injury.

Journal Article J Vasc Interv Radiol · October 2023 PURPOSE: To compare the laboratory markers of acute liver injury after transjugular intrahepatic portosystemic shunt (TIPS) creation performed using intravascular ultrasound (IVUS) guidance with those using other techniques. MATERIALS AND METHODS: This sin ... Full text Link to item Cite

A minimally invasive approach for management of pancreaticoduodenal artery and gastroduodenal artery aneurysm with celiac artery occlusion.

Journal Article J Vasc Surg Cases Innov Tech · September 2023 Management of pancreaticoduodenal artery aneurysms (PDAAs) and gastroduodenal artery aneurysms (GDAAs) with concomitant celiac occlusion represents a challenging clinical scenario. Here, we describe a 62-year-old female with PDAA and GDAA complicated by ce ... Full text Link to item Cite

Intravascular Ultrasound-Guided Transvenous Biopsy of Retroperitoneal Lymph Nodes: Diagnostic Accuracy and Safety Compared with CT-Guided Percutaneous Biopsy.

Journal Article J Vasc Interv Radiol · April 2023 PURPOSE: To compare the diagnostic accuracy and adverse event rates of intravascular ultrasound (US)-guided transvenous biopsy (TVB) versus those of computed tomography (CT)-guided percutaneous needle biopsy (PNB) for retroperitoneal (RP) lymph nodes. MATE ... Full text Link to item Cite

Utility of CBCT and AVD for intraprocedural diagnosis and treatment of lower GI bleeding.

Journal Article Clin Imaging · February 2023 BACKGROUND: Intraprocedural Cone Beam CT (CBCT) is assessed to examine if use improves diagnosis and embolization rates of acute lower GI bleed (LGIB) and if automatic vessel detection (AVD) software can identify feeding vessels (FV) for embolization. METH ... Full text Link to item Cite

Juxtametallic Bipolar Bone Radiofrequency Ablation: Thermal Monitoring in an Ex-Vivo Model with Specimen MRI and Histopathologic Correlation.

Journal Article J Vasc Interv Radiol · December 2022 PURPOSE: To measure the ablation zone temperature and nontarget tissue temperature during radiofrequency (RF) ablation in bone containing metal instrumentation versus no metal instrumentation (control group). MATERIALS AND METHODS: Ex vivo experiments were ... Full text Link to item Cite

Coaxial Stent Graft inside a Constraining Stent for Transjugular Intrahepatic Portosystemic Shunt Reduction.

Journal Article J Vasc Interv Radiol · December 2022 A technique to create a coaxial, self-expanding stent graft inside a constraining, bare-metal, balloon-expandable stent for transjugular intrahepatic portosystemic shunt (TIPS) reduction is described. The key steps are performed on a back table rather than ... Full text Link to item Cite

LR-3 and LR-4 Lesions Are More Likely to Be Hepatocellular Carcinoma in Transplant Patients with LR-5 or LR-TR Lesions.

Conference Dig Dis Sci · November 2022 BACKGROUND: Liver Imaging Reporting and Data System (LI-RADS) classifies liver nodules from LR-1 to LR-5 based on risk for hepatocellular carcinoma (HCC). It is challenging to know the nature of the LR-3 and LR-4 lesions. AIMS: To test our hypothesis that ... Full text Link to item Cite

Transfusion Requirements with Hybrid Management of Placenta Accreta Spectrum Incorporating Targeted Embolization and a Selective Use of Delayed Hysterectomy.

Journal Article Am J Perinatol · October 2022 OBJECTIVE: This study compares the number of units of red blood cells (RBCs) transfused in patients with placenta accreta spectrum (PAS) treated with or without a multidisciplinary algorithm that includes placental uterine arterial embolization (P-UAE) and ... Full text Link to item Cite

Comparison of clinical efficacy, subjective user experience, and safety for two different core biopsy needles, the Achieve® and Marquee®.

Journal Article Abdom Radiol (NY) · August 2022 PURPOSE: To compare clinical efficacy, subjective radiologist preference, and complication rates for two different core biopsy needles, the Achieve® and Marquee®. METHODS: Retrospective review included consecutive patients who underwent 18 gauge non-target ... Full text Link to item Cite

Augmented reality overlay fluoroscopic guidance versus CT-fluoroscopic guidance for sacroplasty.

Journal Article Clin Imaging · May 2022 PURPOSE: To evaluate patient outcomes after sacroplasty (percutaneous sacral augmentation) with guidance using CT compared to fluoroscopy with augmented reality overlay using fluoroscopic cone-beam CT and FDA-approved software (CBCT-AF). MATERIALS AND METH ... Full text Link to item Cite

Dual-Energy CT Vital Iodine Tumor Burden for Response Assessment in Patients With Metastatic GIST Undergoing TKI Therapy: Comparison With Standard CT and FDG PET/CT Criteria.

Journal Article AJR Am J Roentgenol · April 2022 BACKGROUND. CT-based criteria for assessing the gastrointestinal stromal tumor (GIST) response to tyrosine kinase inhibitor (TKI) therapy are limited in part because tumor attenuation is influenced by treatment-related changes including hemorrhage and calc ... 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

Probing gut-brain links in Alzheimer's disease with rifaximin.

Journal Article Alzheimers Dement (N Y) · 2022 Gut-microbiome-inflammation interactions have been linked to neurodegeneration in Alzheimer's disease (AD) and other disorders. We hypothesized that treatment with rifaximin, a minimally absorbed gut-specific antibiotic, may modify the neurodegenerative pr ... Full text Link to item Cite

Hemodialysis Reliable Outflow (HeRO) graft creation in upper extremities abandoned due to stent obstruction via recanalization and HeRO outflow component insertion across stent interstices.

Journal Article J Vasc Access · December 10, 2021 BACKGROUND: The purpose of this study was to assess the feasibility and outcomes of recanalization and subsequent HeRO graft outflow component insertion across stent interstices in patients with an otherwise abandoned upper extremity. METHODS: Over a 10-ye ... Full text Link to item Cite

The Prevalence of Uterine Fibroids in African American Women with Hemoglobin SS Sickle Cell Disease as Determined by Pelvic Magnetic Resonance Imaging.

Journal Article Acad Radiol · December 2021 RATIONALE AND OBJECTIVES: This study explores the relationship between the development of uterine fibroids and hemoglobin SS sickle cell disease (SCD) by examining the prevalence of uterine fibroids as detected by pelvic magnetic resonance imaging (MRI) in ... Full text Link to item 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

Placental uterine artery embolization followed by delayed hysterectomy for placenta percreta: A case series.

Journal Article Gynecol Oncol Rep · August 2021 We describe outcomes of patients with suspected placenta percreta treated with placental uterine artery embolization (P-UAE) followed by delayed hysterectomy. This is a prospective case series of subjects from 2005 to 2018 with suspected placenta percreta ... Full text Link to item Cite

Socioeconomic Status Is Associated with the Risk of Hepatic Encephalopathy after Transjugular Intrahepatic Portosystemic Shunt Creation.

Journal Article J Vasc Interv Radiol · July 2021 PURPOSE: To determine whether socioeconomic status (SES) is associated with hepatic encephalopathy (HE) risk after transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS: This single-institution retrospective study included 36 ... 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

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

Cerebral monitoring during transcarotid artery revascularization with flow reversal via transcranial doppler ultrasound examination.

Journal Article J Vasc Surg · January 2021 OBJECTIVE: Transcarotid artery revascularization (TCAR) is a hybrid technique for carotid artery revascularization that relies on proximal carotid occlusion with flow reversal for distal embolic protection. The hemodynamic response of the intracranial circ ... Full text Link to item Cite

Ferumoxytol-enhanced MR Venography of the Central Veins of the Thorax for the Evaluation of Stenosis and Occlusion in Patients with Renal Impairment.

Journal Article Radiol Cardiothorac Imaging · December 2020 PURPOSE: To assess the diagnostic performance of ferumoxytol-enhanced MR venography for the detection of thoracic central vein stenosis or occlusion with conventional venography as the reference standard. MATERIALS AND METHODS: In this retrospective study, ... Full text Link to item Cite

Financial Effect of Unbundling Moderate Sedation from Procedural Codes in Radiology.

Journal Article J Vasc Interv Radiol · August 2020 PURPOSE: To assess and quantify the financial effect of unbundling newly unbundled moderate sedation codes across major payors at an academic radiology practice. MATERIALS AND METHODS: Billing and reimbursement data for 23 months of unbundled moderate seda ... 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

Ultrasound-guided non-targeted liver core biopsy: comparison of the efficacy of two different core needle biopsy systems using an ex-vivo animal model and retrospective review of clinical experience.

Journal Article Clin Imaging · May 2020 PURPOSE: To compare the efficacy of two 18-gauge core needle biopsy systems, the Achieve® (Merit Medical) and the Marquee® (BD Bard), using an ex-vivo animal liver model and retrospective review of clinical experience. METHODS: Sixty ex-vivo liver biopsy s ... 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

The LI-RADS Version 2018 MRI Treatment Response Algorithm: Evaluation of Ablated Hepatocellular Carcinoma.

Journal Article Radiology · February 2020 Background The Liver Imaging Reporting and Data System (LI-RADS) treatment response algorithm (TRA) is used to assess presumed hepatocellular carcinoma (HCC) after local-regional therapy, but its performance has not been extensively assessed. Purpose To as ... Full text Open Access 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

Reproducibility of CT Radiomic Features within the Same Patient: Influence of Radiation Dose and CT Reconstruction Settings.

Journal Article Radiology · December 2019 Background Results of recent phantom studies show that variation in CT acquisition parameters and reconstruction techniques may make radiomic features largely nonreproduceable and of limited use for prognostic clinical studies. Purpose To investigate the e ... Full text Link to item Cite

Local Tumor Control and Patient Outcome Using Stereotactic Body Radiation Therapy for Hepatocellular Carcinoma: iRECIST as a Potential Substitute for Traditional Criteria.

Journal Article AJR Am J Roentgenol · December 2019 OBJECTIVE. The purpose of this study was to investigate whether, compared with traditional criteria, the modified Response Evaluation Criteria in Solid Tumors version 1.1 for immune-based therapeutics (iRECIST) improves prediction of local tumor control an ... 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

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

LI-RADS Treatment Response Algorithm: Performance and Diagnostic Accuracy.

Journal Article Radiology · July 2019 Background In 2017, the Liver Imaging Reporting and Data System (LI-RADS) included an algorithm for the assessment of hepatocellular carcinoma (HCC) treated with local-regional therapy. The aim of the algorithm was to enable standardized evaluation of trea ... 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

DIfferential Subsampling With Cartesian Ordering With Respiratory Triggering Versus Conventional Liver Acquisition With Volume Acquisition: A Multiple Reader Preference Study.

Journal Article J Comput Assist Tomogr · 2019 OBJECTIVE: The aim of this study was to compare respiratory-triggered DIfferential Subsampling with Cartesian Ordering (rtDISCO) and breath-held Liver Acquisition with Volume Acquisition (LAVA) image quality. METHODS: In this institutional review board-app ... Full text Link to item Cite

Identification and Management of Abdominal Wall Varices in Pregnancy.

Journal Article Obstet Gynecol · October 2018 BACKGROUND: Portal hypertension in pregnancy is associated with elevated risk of variceal hemorrhage. Ectopic varices, those located outside the esophagus or stomach, are rare but have a high risk of associated maternal morbidity or mortality. CASE: A 31-y ... Full text Link to item Cite

Minimal Risk of Biliary Tract Complications, Including Hepatic Abscess, After Transarterial Embolization for Hepatocellular Carcinoma Using Concentrated Antibiotics Mixed with Particles.

Journal Article Cardiovasc Intervent Radiol · September 2018 PURPOSE: To assess the incidence of biliary complications, cholecystitis, and abscess formation in HCC patients following transarterial embolization (TAE) using particles mixed with concentrated antibiotics. MATERIALS AND METHODS: Retrospective review of H ... Full text Link to item Cite

Progression of Treated versus Untreated Liver Imaging Reporting and Data System Category 4 Masses after Transcatheter Arterial Embolization Therapy.

Journal Article J Vasc Interv Radiol · May 2018 PURPOSE: To compare outcomes of treated vs untreated Liver Imaging Reporting and Data System category 4 (LR-4) masses after transcatheter arterial embolization. MATERIALS AND METHODS: In 167 patients undergoing embolization for HCC from January 2005 to Dec ... 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

Pilot Evaluation of Angiogenesis Signaling Factor Response after Transcatheter Arterial Embolization for Hepatocellular Carcinoma.

Journal Article Radiology · October 2017 Purpose To identify changes in a broad panel of circulating angiogenesis factors after bland transcatheter arterial embolization (TAE), a purely ischemic treatment for hepatocellular carcinoma (HCC). Materials and Methods This prospective HIPAA-compliant s ... 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

Patient and tumor characteristics predictive of an elevated hepatopulmonary shunt fraction before radioembolization of hepatic tumors.

Journal Article Nucl Med Commun · September 2016 OBJECTIVE: To determine whether any patient or hepatic tumor characteristics are predictive of hepatopulmonary shunt fraction when performed before radioembolization. MATERIALS AND METHODS: A retrospective review was performed on 190 patients who underwent ... Full text Link to item Cite

Application of a Novel CT-Based Iliac Artery Calcification Scoring System for Predicting Renal Transplant Outcomes.

Journal Article AJR Am J Roentgenol · February 2016 OBJECTIVE: The objective of our study was to assess whether the degree and distribution of iliac artery calcifications as determined by a CT-based calcium scoring system correlates with outcomes after renal transplant. MATERIALS AND METHODS: A retrospectiv ... 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

Linkage and association of phospholipid transfer protein activity to LASS4

Journal Article Journal of Lipid Research · October 2011 Full text Cite

Genetic Variation in LPAL2 , LPA , and PLG Predicts Plasma Lipoprotein(a) Level and Carotid Artery Disease Risk

Journal Article Stroke · January 2011 Background and Purpose— Lipoprotein(a) [Lp(a)] level is an established risk factor for coronary artery disease and has been implicated in carotid artery disease (CAAD). The ... Full text Cite

Analysis of recently identified dyslipidemia alleles reveals two loci that contribute to risk for carotid artery disease

Journal Article Lipids in Health and Disease · December 2009 AbstractBackgroundGenome-wide association studies have identified numerous single nucleotide polymorphisms (SNPs) affecting high density lipoprotein (H ... Full text Cite

Inherited Variation in Gene Expression

Journal Article Annual Review of Genomics and Human Genetics · September 1, 2009 Variation in gene expression constitutes an important source of biological variability within and between populations that is likely to contribute significantly to phenotypic diversity. Recent conceptual, technical, and methodological advances hav ... Full text Cite

Population Genomics of Intron Splicing in 38 Saccharomyces cerevisiae Genome Sequences

Journal Article Genome Biology and Evolution · January 1, 2009 Full text Cite

Gene-Expression Variation Within and Among Human Populations

Journal Article The American Journal of Human Genetics · March 2007 Full text Cite

Genomewide Evolutionary Rates in Laboratory and Wild Yeast

Journal Article Genetics · September 1, 2006 AbstractAs wild organisms adapt to the laboratory environment, they become less relevant as biological models. It has been suggested that a commonly used S. cerevisiae strain has rapidly accumulated mutation ... Full text Cite

Local Regulatory Variation in Saccharomyces cerevisiae

Journal Article PLoS Genetics · August 19, 2005 Full text Cite

Simultaneous genotyping, gene-expression measurement, and detection of allele-specific expression with oligonucleotide arrays

Journal Article Genome Research · February 2005 Oligonucleotide microarrays provide a high-throughput method for exploring genomes. In addition to their utility for gene-expression analysis, oligonucleotide-expression arrays have also been used to perform genotyping on genomic DNA. Here, we show ... Full text Cite

Linkage of Plasma Aβ42 to a Quantitative Locus on Chromosome 10 in Late-Onset Alzheimer's Disease Pedigrees

Journal Article Science · December 22, 2000 Plasma Aβ42 (amyloid β42 peptide) is invariably elevated in early-onset familial Alzheimer's disease (AD), and it is also increased in the first-degree relatives of patients with typical late-onset AD (LOAD). To detect LOAD loci that increase Aβ42, ... Full text Cite