Identification and characterization of new candidates for abdominal aortic aneurysm screening in patients outside of current accepted guidelines.

Background: Previous studies have identified groups of patients with abdominal aortic aneurysm (AAA) that fall outside of currently accepted screening guidelines. Population-based studies have found AAA screening would be cost-effective at a prevalence of 0.5% to 1.

A comparison of endovascular repair to medical management for acute vs subacute uncomplicated type B aortic dissections.

Objective: Thoracic endovascular aortic repair (TEVAR) has emerged as a viable option of treatment for uncomplicated type B aortic dissection (UTBAD) due to the potential for inducing favorable aortic remodeling. The aim of this study is to compare outcomes of UTBAD treated medically or with TEVAR in either the acute (1 to 14 days) or subacute period (2 weeks to 3 months).

Methods: Patients with UTBAD between 2007 and 2019 were identified using the TriNetX Network.

Safety and Efficacy of Percutaneous Translumbar Inferior Vena Cava Catheters: A Systematic Review and Meta-Analysis.

Purpose: To examine the reported adverse events associated with inferior vena cava (IVC) catheterization and investigate the reasons for discrepancies between reports.

Materials And Methods: Cochrane Library trials register, PubMed, Embase, and Scopus databases were systematically searched for studies that included any terms of IVC and phrases related to catheters or central access. Of the 5,075 searched studies, 137 were included in the full-text evaluation.

Outcomes of acute limb ischemia in COVID-19.

Objective: The inflammatory cascade caused by severe acute respiratory syndrome coronavirus 2 infection may result in arterial thrombosis and acute limb ischemia (ALI) with devastating consequences. The aims of this study were to compare outcomes of ALI in the lower extremities in patients with and without coronavirus disease 2019 (COVID-19), and to determine if ALI development in the context of COVID-19 portends a worse prognosis compared with COVID-19 without ALI.

Methods: Queries were built on TriNetX, a federated network of health care organizations across the United States that provides de-identified patient data.

Acute Kidney Injury Risk and Contrast Volume in Intact Versus Ruptured Endovascular Aneurysm Repair in the Vascular Quality Initiative.

Objective: Renal impairment after repair of ruptured abdominal aortic aneurysm has been associated with post-operative mortality. Acute kidney injury (AKI) risk specifically related to contrast administration in endovascular aneurysm repair (EVAR) for intact vs ruptured aneurysms has not been previously described. It was our objective to evaluate the risk of AKI and the association with contrast administration in EVAR for ruptured (rEVAR) and intact (iEVAR) aneurysm repair in the Vascular Quality Initiative (VQI).

Incidence of Procedure-Related Complications in Patients Treated With Atherectomy in the Femoropopliteal and Tibial Vessels in the Vascular Quality Initiative.

Purpose: To compare procedural complications in patients undergoing atherectomy plus angioplasty (A+A) and plain balloon angioplasty (POBA).

Materials And Methods: Patients in the Vascular Quality Initiative (VQI) registry undergoing first-time peripheral vascular intervention (PVI) were included. Those undergoing aortoiliac or pedal interventions, primary stenting, or hybrid procedures were excluded.

Does the Hospital Day of Surgery for Endovascular Repair of Symptomatic Abdominal Aortic Aneurysms Affect Outcomes?

Objective: Symptomatic abdominal aortic aneurysms (sAAA) are considered surgically urgent. Recent data suggest delaying surgery allows for medical optimization without affecting outcomes. We investigated the association of the hospital day of surgery with 30 day outcomes.

Warfarin versus direct oral anticoagulants for patients needing distal deep vein thrombosis treatment.

Objective: Great interest exists in standardizing the anticoagulant choice for patients requiring treatment of distal deep vein thrombosis (DDVT). In the present multicenter, retrospective cohort study, we evaluated the outcomes of patients with DDVT who had been treated with warfarin vs direct oral anticoagulants (DOACs; ie, rivaroxaban, apixaban, edoxaban, dabigatran).

Methods: Queries were built for the TriNetX database (TriNetX LLC, Cambridge, Mass), a federated network of healthcare organizations across the United States that provides de-identified patient data through aggregated counts and statistical summaries.

Physician-Modified Endografts Versus Chimney/Snorkel for Ruptured and Symptomatic Juxtarenal and Paravisceral Aneurysms in the Vascular Quality Initiative.

Objectives: Ruptured and symptomatic juxtarenal and paravisceral aneurysms present technical challenges during endovascular repair. We sought to compare physician modification and fenestrated (PMEG) versus chimney/periscope/snorkel (CHIMPS) repair techniques for the treatment of ruptured and symptomatic paravisceral and juxtarenal aortic aneurysms (r/sPJAA).

Methods: Patients in the thoracic and complex endovascular aneurysm module of the Vascular Quality Initiative (VQI) national registry undergoing CHIMPS and PMEG for r/sPJAA were included.

Impact of tibial bypass conduit on long-term amputation-free survival and primary patency in the Vascular Quality Initiative.

Objective: Much research remains focused on tibial bypass conduit selection. We sought to describe long-term amputation-free survival (AFS) and primary patency (PP) of patients undergoing tibial bypass by conduit type and configuration across several permutations in the Society for Vascular Surgery Vascular Quality Initiative.

Methods: Patients in the Vascular Quality Initiative registry undergoing elective first-time femoral- or popliteal-to-tibial bypass for occlusive disease involving rest pain or tissue loss were identified.

Perioperative outcomes of carotid endarterectomy and transfemoral and transcervical carotid artery stenting in radiation-induced carotid lesions.

Objective: Limited data are available to guide the choice of intervention for patients with radiation-induced carotid stenosis (RICS), either transcarotid artery revascularization (TCAR), transfemoral carotid artery stenting (TFCAS), or carotid endarterectomy (CEA). The purpose of the present study was to evaluate patients who had undergone these carotid artery interventions for RICS and the associated outcomes.

Methods: Patients in the Society for Vascular Surgery (SVS) Vascular Quality Initiative (VQI) carotid artery stenting surveillance project registry and the SVS VQI CEA modules who had undergone carotid artery intervention (TCAR, TFCAS, or CEA) for RICS were included.

Aortic Neck Dilatation Following Thoracic Endovascular Aortic Repair.

Objective: Thoracic endovascular aortic repair (TEVAR) has become a mainstay of treatment for a variety of thoracic aortic pathologies. Expansion of the proximal aortic neck after endovascular repair of abdominal aortic aneurysms has been demonstrated; however, dilatation of the proximal aortic neck after TEVAR has not been well described. We sought to describe remodeling of the proximal neck following TEVAR.

Early experience with arterial thromboembolic complications in patients with COVID-19.

Background: Little is known about the arterial complications and hypercoagulability associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We sought to characterize our experience with arterial thromboembolic complications in patients with hospitalized for coronavirus disease 2019 (COVID-19).

Methods: All patients admitted from March 1 to April 20, 2020, and who underwent carotid, upper, lower and aortoiliac arterial duplex, computed tomography angiogram or magnetic resonance angiography for suspected arterial thrombosis were included.

Trends in Sex and Racial/Ethnic Diversity in Applicants to Surgery Residency and Fellowship Programs.

This study uses the Electronic Residency Application Service database and Association of American Medical Colleges records to investigate trends in sex and racial/ethnic diversity of the applicant pool to US surgical residency and fellowship programs.

Extended screening guidelines for the diagnosis of abdominal aortic aneurysm.

Background: The U.S. Preventive Services Task Force (USPSTF) guidelines are the most widely used criteria for screening for abdominal aortic aneurysms (AAA).

Digital Footprint of Vascular Surgery Training Programs in the United States and Canada.

Background: The digital footprint of vascular residency and fellowship programs may have an impact on an applicant's likelihood of selecting a given program. This may include content and accessibility of a particular program's website as well as its social media presence. The goal of this study is to evaluate the online presence of all accredited vascular surgery training programs in the United States and Canada.

Peripheral arterial occlusive disease operative case volume in the final years of 5+2 and 0+5 vascular training paradigms.

Background: Peripheral arterial occlusive disease constitutes a substantial portion of clinical practice in vascular surgery and, as such, trainees must graduate with proficiency in endovascular and open procedures to become capable vascular surgeons. Case volume for 0+5 integrated vascular surgery residents in the chief and junior years was compared with their 5+2 fellowship counterparts for the treatment of peripheral arterial occlusive disease.

Methods: In this retrospective review, operative volume for peripheral arterial occlusive disease cases in both vascular training paradigms was evaluated.

A survey of vascular specialists' practice patterns of inferior vena cava filter placement and retrieval.

Objectives: The placement of inferior vena cava filters (IVCF) continues to rise. Vascular specialists adopt different practices based on local expertise. This study was performed to assess the attitudes of vascular specialists towards the placement and retrieval of IVCF.

Systematic review of May-Thurner syndrome with emphasis on gender differences.

Objective: May-Thurner syndrome (MTS) is increasingly recognized as a frequent source of leg swelling and a precipitating factor for venous thromboembolism. This paper is a systematic review of the English literature on MTS with an analysis focusing on gender differences in presentation and treatment.

Methods: A systematic review of the English literature between April 1967 and December 2014 was performed using the following terms: "May-Thurner syndrome," "Cockett syndrome," and "iliac vein compression syndrome.

Trends in open abdominal exposure among vascular surgery trainees.

Background: This retrospective study evaluates the trends in open abdominal surgery cases among integrated vascular surgery residents compared with their 5 + 2 counterparts.

Methods: The Accreditation Council for Graduate Medical Education (ACGME) case logs between 2007 and 2016 were collected from a pool of 9861 residents and fellows from 371 institutions. Trainees were grouped into three categories: general surgery residency (GSR), integrated vascular surgery residency (IVSR), and vascular surgery fellowship in the United States.

Distal embolization during lower extremity endovascular interventions.

Objective: Distal embolization (DE) during peripheral arterial endovascular interventions is a well-known complication that is poorly studied. The goal of this study was to determine the incidence, risk factors, and effect of DE on the outcomes of lower extremity endovascular interventions (LEIs).

Methods: All LEIs between 2010 and 2014 in the Vascular Study Group of New England (VSGNE) database were reviewed.

Percutaneous endovascular aneurysm repair in morbidly obese patients.

Objective: Endovascular aneurysm repair (EVAR) with percutaneous femoral access (PEVAR) has several potential advantages. Morbidly obese (MO) patients present unique anatomical challenges and have not been specifically studied. This study examines the trends in the use of PEVAR and its surgical outcomes compared with open femoral cutdown (CEVAR) in MO patients.