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Adam P Johnson

Assistant Professor of Surgery
Surgery, Vascular and Endovascular Surgery

Selected Publications


Medical Education Blog and Podcast Utilization During the COVID-19 Pandemic.

Journal Article Cureus · March 2022 Introduction The coronavirus disease 2019 (COVID-19) pandemic disrupted traditional in-person learning models. Free Open Access Medical (FOAM) education resources naturally filled this void, so we evaluated how medical blog and podcast utilization changed ... Full text Link to item Cite

Documenting the Recovery of Vascular Services in European Centres Following the Initial COVID-19 Pandemic Peak: Results from a Multicentre Collaborative Study.

Journal Article EJVES Vasc Forum · 2022 OBJECTIVE: To document the recovery of vascular services in Europe following the first COVID-19 pandemic peak. METHODS: An online structured vascular service survey with repeated data entry between 23 March and 9 August 2020 was carried out. Unit level dat ... Full text Link to item Cite

Association of insurance status with timing of hemodialysis access placement.

Journal Article J Vasc Surg · October 2021 OBJECTIVE: Patients without adequate outpatient follow-up often present requiring emergency hemodialysis and then undergo permanent dialysis access placement at a later time. We sought to examine the relationship between type of insurance and whether a pat ... Full text Link to item Cite

Brazilian vascular surgeons experience during the coronavirus (COVID-19) pandemic.

Journal Article Vascular · June 2021 BACKGROUND: The COVID-19 pandemic has made a significant impact on all spheres of society. The objective of this study was to examine the impact of COVID-19 on the practices, finances, and social aspects of Brazilian vascular surgeons' lives. METHODS: This ... Full text Link to item Cite

The Impact of the COVID-19 Pandemic on Vascular Surgery Trainees in the United States.

Journal Article Ann Vasc Surg · April 2021 BACKGROUND: The impact of the coronavirus disease 19 (COVID-19) pandemic on health care workers has been substantial. However, the impact on vascular surgery (VS) trainees has not yet been determined. The goals of our study were to gauge the impact of COVI ... Full text Open Access Link to item Cite

Outcomes of Vascular and Endovascular Interventions Performed During the Coronavirus Disease 2019 (COVID-19) Pandemic.

Journal Article Ann Surg · April 1, 2021 OBJECTIVE: The aim of the COVER Study is to identify global outcomes and decision making for vascular procedures during the pandemic. BACKGROUND DATA: During its initial peak, there were many reports of delays to vital surgery and the release of several gu ... Full text Link to item Cite

Global vascular surgeons' experience, stressors, and coping during the coronavirus disease 2019 pandemic.

Conference J Vasc Surg · March 2021 BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has led to unprecedented challenges for health care systems globally. We designed and administered a global survey to examine the effects of COVID-19 on vascular surgeons and explore the COVID-19 ... Full text Link to item Cite

The impact of the COVID-19 pandemic on vascular surgery practice in the United States.

Journal Article J Vasc Surg · March 2021 BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has led to widespread postponement and cancelation of elective surgeries in the United States. We designed and administered a global survey to examine the impact of COVID-19 on vascular surgeons. ... Full text Open Access Link to item Cite

Managing central venous access during a health care crisis.

Journal Article J Vasc Surg · October 2020 OBJECTIVE: During the COVID-19 pandemic, central venous access line teams were implemented at many hospitals throughout the world to provide access for critically ill patients. The objective of this study was to describe the structure, practice patterns, a ... Full text Link to item Cite

Asymptomatic Trauma Patients Screened for Venous Thromboembolism Have a Higher Risk Profile with Lower Rate of Pulmonary Embolism: A Five-Year Single-Institution Experience.

Journal Article Am Surg · February 1, 2020 Deep vein thrombosis (DVT) is linked to reimbursements and publicly reported metrics. Some hospitals discourage venous duplex ultrasound (VDUS) screening in asymptomatic trauma patients because they often find higher rates of DVT. We aim to evaluate the as ... Link to item Cite

The Pathway to Low Outlier Status in Venous Thromboembolism Events: An Analysis of Pancreatic Surgery in the National Surgical Quality Improvement Program.

Journal Article J Pancreat Cancer · 2020 Purpose: Our institution's hepatopancreaticobiliary surgery service (HPBS) has demonstrated low rates of venous thromboembolism (VTE). We sought to determine whether the HPBS's regimented multimodal VTE prophylaxis pathway, which includes the use of mechan ... Full text Link to item Cite

Adherence to Inpatient Venous Thromboembolism Prophylaxis: A Single Institution's Concurrent Review.

Journal Article Am J Med Qual · 2019 Hospital-acquired venous thromboembolism (VTE) affects morbidity and mortality and increases health care costs. Poor adherence to recommended prophylaxis may be a potential cause of ongoing events. This study aims to identify institutional adherence rates ... Full text Link to item Cite

Does Perceived Resident Operative Autonomy Impact Patient Outcomes?

Journal Article J Surg Educ · 2019 OBJECTIVE: We investigated the association of perceived trainee autonomy with patient clinical outcomes following colorectal surgery. DESIGN: This was a prospective multi-institutional study that consisted of surgery trainees completing a survey tool immed ... Full text Link to item Cite

Medical Education Blog and Podcast Utilization During the COVID-19 Pandemic.

Journal Article Cureus · March 2022 Introduction The coronavirus disease 2019 (COVID-19) pandemic disrupted traditional in-person learning models. Free Open Access Medical (FOAM) education resources naturally filled this void, so we evaluated how medical blog and podcast utilization changed ... Full text Link to item Cite

Documenting the Recovery of Vascular Services in European Centres Following the Initial COVID-19 Pandemic Peak: Results from a Multicentre Collaborative Study.

Journal Article EJVES Vasc Forum · 2022 OBJECTIVE: To document the recovery of vascular services in Europe following the first COVID-19 pandemic peak. METHODS: An online structured vascular service survey with repeated data entry between 23 March and 9 August 2020 was carried out. Unit level dat ... Full text Link to item Cite

Association of insurance status with timing of hemodialysis access placement.

Journal Article J Vasc Surg · October 2021 OBJECTIVE: Patients without adequate outpatient follow-up often present requiring emergency hemodialysis and then undergo permanent dialysis access placement at a later time. We sought to examine the relationship between type of insurance and whether a pat ... Full text Link to item Cite

Brazilian vascular surgeons experience during the coronavirus (COVID-19) pandemic.

Journal Article Vascular · June 2021 BACKGROUND: The COVID-19 pandemic has made a significant impact on all spheres of society. The objective of this study was to examine the impact of COVID-19 on the practices, finances, and social aspects of Brazilian vascular surgeons' lives. METHODS: This ... Full text Link to item Cite

The Impact of the COVID-19 Pandemic on Vascular Surgery Trainees in the United States.

Journal Article Ann Vasc Surg · April 2021 BACKGROUND: The impact of the coronavirus disease 19 (COVID-19) pandemic on health care workers has been substantial. However, the impact on vascular surgery (VS) trainees has not yet been determined. The goals of our study were to gauge the impact of COVI ... Full text Open Access Link to item Cite

Outcomes of Vascular and Endovascular Interventions Performed During the Coronavirus Disease 2019 (COVID-19) Pandemic.

Journal Article Ann Surg · April 1, 2021 OBJECTIVE: The aim of the COVER Study is to identify global outcomes and decision making for vascular procedures during the pandemic. BACKGROUND DATA: During its initial peak, there were many reports of delays to vital surgery and the release of several gu ... Full text Link to item Cite

Global vascular surgeons' experience, stressors, and coping during the coronavirus disease 2019 pandemic.

Conference J Vasc Surg · March 2021 BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has led to unprecedented challenges for health care systems globally. We designed and administered a global survey to examine the effects of COVID-19 on vascular surgeons and explore the COVID-19 ... Full text Link to item Cite

The impact of the COVID-19 pandemic on vascular surgery practice in the United States.

Journal Article J Vasc Surg · March 2021 BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has led to widespread postponement and cancelation of elective surgeries in the United States. We designed and administered a global survey to examine the impact of COVID-19 on vascular surgeons. ... Full text Open Access Link to item Cite

Managing central venous access during a health care crisis.

Journal Article J Vasc Surg · October 2020 OBJECTIVE: During the COVID-19 pandemic, central venous access line teams were implemented at many hospitals throughout the world to provide access for critically ill patients. The objective of this study was to describe the structure, practice patterns, a ... Full text Link to item Cite

Asymptomatic Trauma Patients Screened for Venous Thromboembolism Have a Higher Risk Profile with Lower Rate of Pulmonary Embolism: A Five-Year Single-Institution Experience.

Journal Article Am Surg · February 1, 2020 Deep vein thrombosis (DVT) is linked to reimbursements and publicly reported metrics. Some hospitals discourage venous duplex ultrasound (VDUS) screening in asymptomatic trauma patients because they often find higher rates of DVT. We aim to evaluate the as ... Link to item Cite

The Pathway to Low Outlier Status in Venous Thromboembolism Events: An Analysis of Pancreatic Surgery in the National Surgical Quality Improvement Program.

Journal Article J Pancreat Cancer · 2020 Purpose: Our institution's hepatopancreaticobiliary surgery service (HPBS) has demonstrated low rates of venous thromboembolism (VTE). We sought to determine whether the HPBS's regimented multimodal VTE prophylaxis pathway, which includes the use of mechan ... Full text Link to item Cite

Adherence to Inpatient Venous Thromboembolism Prophylaxis: A Single Institution's Concurrent Review.

Journal Article Am J Med Qual · 2019 Hospital-acquired venous thromboembolism (VTE) affects morbidity and mortality and increases health care costs. Poor adherence to recommended prophylaxis may be a potential cause of ongoing events. This study aims to identify institutional adherence rates ... Full text Link to item Cite

Does Perceived Resident Operative Autonomy Impact Patient Outcomes?

Journal Article J Surg Educ · 2019 OBJECTIVE: We investigated the association of perceived trainee autonomy with patient clinical outcomes following colorectal surgery. DESIGN: This was a prospective multi-institutional study that consisted of surgery trainees completing a survey tool immed ... Full text Link to item Cite

Quantification of Resident Work in Colorectal Surgery.

Journal Article J Surg Educ · 2018 OBJECTIVE: To examine resident intraoperative participation, perceived autonomy, and communication patterns between residents and attending surgeons using a novel survey tool. DESIGN: This was a prospective multi-institutional study. Operative residents co ... Full text Link to item Cite

Predicting the Risk of Postoperative Respiratory Failure in Elective Abdominal and Vascular Operations Using the National Surgical Quality Improvement Program (NSQIP) Participant Use Data File.

Journal Article Ann Surg · December 2017 OBJECTIVE: This study aims to develop a Respiratory Failure Risk Score (RFRS) with good predictability for elective abdominal and vascular patients to be used in the outpatient setting for risk stratification and to guide preoperative pulmonary optimizatio ... Full text Link to item Cite

Arterial protocol including prophylactic distal perfusion catheter decreases limb ischemia complications in patients undergoing extracorporeal membrane oxygenation.

Conference J Vasc Surg · April 2017 OBJECTIVE: Venoarterial extracorporeal membrane oxygenation (ECMO) is a salvage therapy in patients with severe cardiopulmonary failure. Owing to the large size of the cannulas inserted via the femoral vessels (≤24-F) required for adequate oxygenation, thi ... Full text Link to item Cite

Higher Body Mass Index Increases Risk of HeartMate II Pump Thrombosis But Does Not Adversely Affect Long-Term Survival.

Journal Article Circ J · January 25, 2017 BACKGROUND: Obesity has been correlated with various adverse events in patients who receive left ventricular assist devices (LVAD). In this study, we sought to further characterize the role of obesity in this patient population.Methods and Results:We perfo ... Full text Link to item Cite

Dual Kidney Allocation Score: A Novel Algorithm Utilizing Expanded Donor Criteria for the Allocation of Dual Kidneys in Adults.

Journal Article Ann Transplant · September 8, 2016 BACKGROUND Dual kidney transplantation (DKT) of expanded-criteria donors is a cost-intensive procedure that aims to increase the pool of available deceased organ donors and has demonstrated equivalent outcomes to expanded-criteria single kidney transplanta ... Full text Link to item Cite

Ventilator strategies for VV ECMO management with concomitant tracheal injury and H1N1 influenza.

Journal Article Heart Lung Vessel · 2015 Tracheal injury is a rare but highly morbid complication of endotracheal intubation. Recent reviews have advocated conservative management of these injuries without operative intervention. Extracorporeal membrane oxygenation may be a useful tool in non-ope ... Link to item Cite

Cholangio-Conundrum: A Case Series of Painless Jaundice.

Journal Article Case Rep Pancreat Cancer · 2015 Background: Correct preoperative diagnosis of hepatobiliary disease can be challenging-even with current advances in radiographical imaging, laboratory testing, and endoscopic evaluation. Case presentation 1: A 65-year-old female with painless jaundice and ... Full text Link to item Cite