Annals of vascular surgery最新文献

{"title":"Histological Differentiation of Neovascularisation and Residual Veins in Groin Recurrence.","authors":"Thomas Falkenstein, Markus Stücker, Johann Ahrendt, Hanif Krabbe, Barbara Strohmann, Achim Mumme, Thomas Hummel","doi":"10.1016/j.avsg.2026.09.032","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.032","url":null,"abstract":"<p><strong>Objectives: </strong>Recurrence in the inguinal region following surgery for saphenofemoral insufficiency remains a major challenge in venous surgery. Histologically, a distinction can be made between residual stump and neovascularization. Using hematoxylin-eosin and Elastica-van Gieson staining, this study systematically analyses samples from recurrent saphenofemoral lesions.</p><p><strong>Methods: </strong>Patient demographic data, the clinical CEAP stage, and the Venous Clinical Severity Score were recorded. A preoperative duplex ultrasound was performed. The resected specimens were processed using standard staining methods. During histological examination, a distinction was made between residual venous tissue and neovascularisation.</p><p><strong>Results: </strong>A total of 203 samples were available for histopathological evaluation. In the histological evaluation, 197 samples were classified as stump tissue (97.0%) and 6 samples as neovascularization (3.0%). The diagnostic specificity and predictive value of duplex sonography and intraoperative macroscopic classification between residual stump and neovascularisation was limited.</p><p><strong>Conclusion: </strong>Residual venous structures represent the predominant morphological substrate of groin recurrences after saphenofemoral surgery. True neovascularisation occurs only in a few cases and should be regarded as a secondary phenomenon rather than a primary cause of recurrence. Surgical precision during the initial intervention may play an important role in recurrence prevention.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149102921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of Preoperative Thrombectomy/Thrombolysis and Timing of Perioperative Venous Angioplasty With Re-Angioplasty After First Rib Resection for Venous Thoracic Outlet Syndrome.","authors":"Mitchell S Jay, Jyi Cheng Ng, Courtenay M Holscher, Joseph White, Thomas Reifsnyder, Ying Wei Lum","doi":"10.1016/j.avsg.2026.09.018","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.018","url":null,"abstract":"<p><strong>Introduction and objectives: </strong>The role of preoperative thrombectomy/thrombolysis and the optimal timing of angioplasty relative to first rib resection (FRR) for venous thoracic outlet syndrome (vTOS) remain uncertain. We evaluated reintervention rates after FRR with and without preoperative thrombectomy/thrombolysis, and with same-day versus delayed angioplasty.</p><p><strong>Methods: </strong>Patients who underwent FRR and angioplasty between 2015-2025 were identified in a national database. Cohorts were defined as FRR with or without preoperative thrombectomy/thrombolysis, and FRR with same-day or delayed angioplasty within 8 weeks of the index operation. Propensity score matching was performed on race, age, sex, and comorbidities. The primary outcome was re-angioplasty rates at 1, 3, and 5 years. Outcomes were compared using Kaplan-Meier analysis and log-rank testing.</p><p><strong>Results: </strong>Of 635 patients undergoing FRR and angioplasty, 163 (26.1%) received preoperative thrombectomy/thrombolysis and 383 (61.3%) underwent delayed angioplasty. After matching, 154 patients were included in each thrombectomy/thrombolysis cohort and 240 in each angioplasty-timing cohort. Re-angioplasty rates did not differ significantly by preoperative thrombectomy/thrombolysis at 1-year (8.4% vs 9.7%, p=0.64), 3-years (10.4% vs 10.4%, p=0.84), or 5-years (10.4% vs 12.3%, p=0.86). Re-angioplasty rates were also similar between delayed and same-day angioplasty cohorts at 1-year (9.6% vs 12.9%, p=0.27), 3-years (10.4% vs 15.8%, p=0.11), and 5-years (10.4% vs 17.1%, p=0.06).</p><p><strong>Conclusions: </strong>In this national matched cohort, preoperative thrombectomy/thrombolysis was not associated with lower re-angioplasty rates after FRR for vTOS. Angioplasty timing was likewise not significantly associated with reintervention, although delayed angioplasty showed a non-significantly lower 5-year re-angioplasty rate.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149103228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Outcomes in Grade II Blunt Thoracic Aortic Injury.","authors":"Shelby Willis, Phillip D Jenkins, Victor Andujo, Tiffany Lian, Sheila Markwardt, Kay Smith, Gregory Moneta, Justin Regner, Castigliano Bhamidipati, Cherrie Abraham, Ruchi Thanawala, Julie Doberne","doi":"10.1016/j.avsg.2026.09.011","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.011","url":null,"abstract":"<p><strong>Objective: </strong>2011 Society for Vascular Surgery guidelines recommend surgical management for all > grade I blunt thoracic aortic injuries (BTAI). An update to these guidelines in 2026 recommends nonoperative management (NOM) for grade II injury. Previous work from the Aortic Trauma Foundation (ATF) database has combined grade I and II BTAI for analysis. We sought to analyze outcomes specifically for grade II injuries to determine if current outcomes represented in the ATF are in line with guideline updated NOM of grade II injuries.</p><p><strong>Methods: </strong>ATF data from 2014 to 2025 was retrospectively analyzed for demographics and outcomes based on treatment strategy. Outcomes of 30-day mortality, hospital length of stay, ventilator days, in-hospital mortality, and aortic related in-hospital mortality were determined for patients with grade II injuries with outcomes stratified for NOM vs TEVAR. Aortic injury anatomic characteristics, concomitant traumatic injuries, time from admission to repair, and procedural and access related complications were also compared between groups.</p><p><strong>Results: </strong>There were 114 grade II injuries with NOM in 36.8%, TEVAR in 62.3%, and open repair in 0.9%. Patients with grade II BTAI with NOM vs TEVAR had no significant differences in hospital length of stay (p=0.832), ventilator days (p=0.933), in-hospital mortality (p=0.177), 30-day mortality (p=0.534), or aortic related in hospital mortality (p=1.00). Injuries selected for TEVAR were larger and anatomically more extensive, while NOM patients more often had intracranial hemorrhage or contusion; ten TEVAR patients (14.1%) were treated after failure of medical management, with no deaths in this subgroup.</p><p><strong>Conclusions: </strong>In agreement with updated 2026 guidelines, we found that TEVAR provides no short-term 30-day mortality benefit over NOM in patients with grade II BTAI. However these groups were demographically disparate with the TEVAR group significantly younger than NOM patients. This data should spur longer term follow-up and cost effectiveness studies for management of grade II BTAI.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149103060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mid-term Outcomes of Asymptomatic and Symptomatic Isolated Mesenteric Artery Dissections.","authors":"Nakia Sarad, Alejandro Pizano, Angelina Kim, Varuna Sundaram, Andy Lee, Brian G DeRubertis, Jing Li, Rajeev Dayal","doi":"10.1016/j.avsg.2026.09.019","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.019","url":null,"abstract":"<p><strong>Background: </strong>Isolated spontaneous mesenteric artery dissections present with a broad spectrum of symptoms and are increasingly detected due to the widespread use of computed tomography. Treatment options are debated, from observation and medical management to endovascular procedures and open surgery.</p><p><strong>Methods: </strong>A retrospective review was performed on patients with isolated superior mesenteric artery (SMA) or celiac artery (CA) dissections at a single institution from January 2017 to August 2025. Patients with concomitant aortic dissection were excluded. Data collected included clinical characteristics, imaging findings classified by Zerbib classification, treatment approaches, and outcomes. Patients were categorized based on presentation (asymptomatic vs symptomatic).</p><p><strong>Results: </strong>A total of 39 patients were identified, with a median age of 58 years (IQR 52-71). The majority were male (87%) and Asian (62%). SMA was involved in 72% of cases, and 67% were symptomatic. Management strategies included observation (15%), medical therapy (54%), endovascular procedures (2.6%), and surgery (28%). Symptomatic patients tended to be younger (56 vs. 71 years, P = .020) and had higher white blood cell counts (12 vs. 7.6, P = .016). Intramural hematoma was more common among symptomatic patients (58% vs. 15%, P = .017). All patients who underwent surgery were symptomatic (42% vs. 0%, P = .007), and 23% presented with acute mesenteric ischemia. Among symptomatic patients, 58% did not require operative intervention, supporting non-operative management in appropriately selected patients without evidence of acute mesenteric ischemia, rupture, or hemodynamic instability. Only one patient had an underlying connective tissue disorder, and one had rheumatoid arthritis with vasculitis. Three-year survival rates were comparable between groups (asymptomatic 92.3±7.4%, symptomatic 92.2±8.4%, P = .696). Symptom resolution occurred in all cases. Treatment failure requiring secondary intervention was observed in 15% of symptomatic patients. Zerbib Types V and VI were associated with the need for operative intervention.</p><p><strong>Conclusions: </strong>Mid-term outcomes are generally favorable for both asymptomatic and symptomatic isolated mesenteric dissections. Asymptomatic cases can be managed safely with observation or medical therapy. Factors such as symptoms, Zerbib classification (V-VI), and the presence of intramural hematoma are strongly associated with the likelihood of requiring surgical intervention. Personalized management based on clinical presentation and imaging severity is essential for optimal outcomes.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149057266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Functional Popliteal Artery Entrapment Syndrome in Athletes: Insights from the Patient Perspective.","authors":"Mary C Cain, John H Cabot, Sri Sai L Akkineni, Lucy Yang, Chidyaonga Shalita, Jason T Lee","doi":"10.1016/j.avsg.2026.09.017","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.017","url":null,"abstract":"<p><p>Functional popliteal artery entrapment syndrome (fPAES) is a rare cause of exertional leg pain in athletes that is frequently underdiagnosed. This study aimed to characterize the patient perspective, including symptom presentation, recovery, and return to sport following surgical treatment. A mixed-methods study was conducted in patients undergoing surgery for fPAES. Functional outcomes were assessed using the Tegner Activity Scale (0 = no activity, 10 = full activity), and structured interviews were analyzed to evaluate symptom burden, diagnostic delay, and psychosocial impact. Thirty-six patients (64 limbs) were included with a mean follow-up of 8.3 years. The average time from symptom onset to diagnosis was 57.5 months. The most commonly reported symptoms were calf pain (89%), neurologic symptoms (42%), rest pain (33%), cold sensation (31%), and swelling (19%). Neurologic symptoms were associated with a higher likelihood of full recovery, whereas pain at rest was associated with incomplete improvement in most cases. Functional improvement at 1 year was 80%. Higher preoperative activity levels were associated with lower odds of improvement (p = 0.0017). Younger patients (<20 years) more frequently reported incomplete recovery compared with older groups; however, all returned to sport, and adjunctive botulinum toxin therapy appeared beneficial. Surgical treatment provides durable symptom relief and high rates of return to sport, although delayed diagnosis remains common and younger athletes may be at increased risk of incomplete recovery.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149057296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Regional Disparities in Vascular Surgery Training and Practice Location - Implications for Predicted Workforce Shortages.","authors":"Nikhil Pallem, Daniel L Davenport, Colleen A McMullen, Tana L Repella","doi":"10.1016/j.avsg.2026.09.016","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.016","url":null,"abstract":"<p><strong>Objectives: </strong>The predicted shortage of vascular surgeons disproportionally affects different regions. Studies suggest efforts to address shortages should incorporate strategies to increase training opportunities in underserved areas. We compared individuals' regional location for general surgery residency (GSR), vascular surgery fellowship (VSF), and practice location.</p><p><strong>Methods: </strong>GSR attended, VSF attended, and current residence for Vascular Qualifying Exam (VQE) Examinees (VQEEs) who completed VSF from 2007-2024 were obtained from the American Board of Surgery (ABS). Divisions were determined according to US Census Bureau definitions.</p><p><strong>Results: </strong>Of 2,149 VQEEs, 433/2,149 (20.15%) completed GSR and VSF at the same institution. Among VQEEs completing GSR, the % completing VSF in that same region was: East North Central 44.40%, East South Central 45.30%, Middle Atlantic 51.00%, Mountain 15.60%, New England 39.20%, Pacific 50.60%, South Atlantic 45.40%, West North Central 47.30%, West South Central 44.70%. Among VQEEs in a region, the % staying in the same region as their VSF vs. GSR upon completion of VSF was: East North Central 40.00% vs. 50.70%, East South Central 33.80% vs. 44.10%, Middle Atlantic 42.60% vs. 73.60%, Mountain 40.40% vs. 24.80%, New England 36.70% vs. 46.60%, Pacific 67.00% vs. 46.70%, South Atlantic 49.50% vs. 39.30%, West North Central 31.10% vs. 40.20%, West South Central 42.90% vs. 49.00%.</p><p><strong>Conclusions: </strong>Where vascular surgeons train is strongly associated with where they practice. Regional retention was strong in most divisions. As the gap between vascular surgery supply and demand continues to widen, regionally directed creation of training infrastructure will be a critical component of addressing this workforce shortage.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149057346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Peripheral Arterial Infections: Experience with Cryopreserved Allografts.","authors":"Michael Youngjin Lee, Mouhammad Halabi, Alexander Shepard, Donald D Chang, Hamzah Saleem, Loay Kabbani, Mitchell Weaver, Andi Peshkepija, Timothy Nypaver, Kevin Onofrey, Yasaman Kavousi","doi":"10.1016/j.avsg.2026.09.012","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.012","url":null,"abstract":"<p><strong>Objectives: </strong>To assess outcomes of peripheral arterial reconstruction using cryopreserved allograft (CPA) in infected or contaminated operative fields.</p><p><strong>Methods: </strong>A retrospective review was performed on patients who underwent peripheral arterial reconstruction using CPA in infected/contaminated fields at a quaternary medical center (2000-2025). CPA venous reconstruction, dialysis access, and bypass in non-infected and non-contaminated fields were excluded. Outcomes assessed included: overall survival, CPA-related complications (graft reinfection, stenosis/thrombosis, degeneration, dehiscence, rupture), limb loss, and CPA-related reinterventions.</p><p><strong>Results: </strong>Thirty-five patients (23 male) with median age of 67 years old in whom 38 CPAs were implanted were included. Indications for CPA use were: infected prosthetic graft (58%), infected bovine patch (21%), infected stent graft (8%), native arterial infections (8%), and vascular injuries in contaminated fields (5%). Vascular reconstructions involved the lower extremity in 87% of cases, the upper extremity in 11%, and the carotid artery in 3%. At a median follow-up of 34 months, CPA-related complications included stenosis / thrombosis (18%), reinfection (8%), rupture (3%), and anastomotic dehiscence (3%). Freedom from CPA-related complication was 74% at 1 year and 61% at 3 years. Prompt reintervention (n=11) resulted in an overall low amputation rate at 3 years (n=2). One-year and 3-year survival rates were both 77%, respectively.</p><p><strong>Conclusions: </strong>CPA is a viable conduit option for peripheral arterial reconstruction in infected or contaminated fields. Occurrence of CPA-related complications underscores the need for careful surveillance and longitudinal follow-up. These data support the use of CPA as a viable conduit in complex cases where alternative options are limited, demonstrating favorable amputation-free survival, though with some need for reintervention.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149057274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanical Characterization and Ex Vivo Evaluation of a Novel Constraining Device for Safe Endovascular Endograft Explantation.","authors":"Richard Longfei Li, Maxwell C Braasch, Ali B Alshawi, Ryan Wahidi, Rebecca A Sorber, Zachary J Wanken, Luis Sanchez, Mohamed Zayed, J Westley Ohman","doi":"10.1016/j.avsg.2026.09.014","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.014","url":null,"abstract":"<p><strong>Objective: </strong>Open surgical conversion after EVAR is morbid and performed without disease-specific instruments. We evaluated the feasibility, and mechanical characteristics of the EVAx, a novel single-use device designed to disengage, collapse, and constrain suprarenal aortic fixation barbs during open endograft explantation.</p><p><strong>Methods: </strong>Slide and constrainment testing was performed across five endograft configurations spanning three platforms: Endurant II (25, 36 mm), Treo (28 mm), and Zenith (28, 36 mm). Endografts were embedded in a silicone aortic model (25 mm inner diameter), and three operators each performed five trials per configuration (n = 150). The EVAx was compared with the modified syringe technique in bovine aortic specimens across three operators, with the primary objective of evaluating macroscopic intimal injury after aortic endograft explant. Additionally, constraining arms underwent uniaxial compression to failure on an Instron load frame in intended- and reverse-loading orientations.</p><p><strong>Results: </strong>The EVAx successfully advanced over the Endurant and Treo platforms in all trials (100%) and the Zenith platform in 90%, with the 36 mm Zenith showing the lowest slide success (80%). Constrainment success was 100% for the Endurant 36 mm and Treo, 80% for the Endurant 25 mm, and 80% and 47% for the Zenith 28 mm and 36 mm. The EVAx produced no macroscopic intimal injury across all operators, whereas one specimen removed with a syringe showed barb puncture sites. Constraining arms failed at a peak force of 25 N.</p><p><strong>Conclusion: </strong>The EVAx demonstrates early feasibility in ex vivo testing for safe suprarenal endograft constrainment, with reproducible benchtop performance and reduced aortic wall trauma compared with the modified syringe technique. These results offer promise of reduced aortic wall trauma utilizing the EVAx, a disease-specific device for endograft removal.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149057343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tibial Artery Stenting in the VQI Database.","authors":"Nicholas Wells, Martin D Slade, Yuan Huang, Jonathan Cardella, Britt Tonnessen, Cassius Iyad Ochoa Chaar","doi":"10.1016/j.avsg.2026.09.020","DOIUrl":"10.1016/j.avsg.2026.09.020","url":null,"abstract":"<p><strong>Background: </strong>The development of dedicated tibial artery stents has been challenging despite reports of successful use of coronary stents in the infrapopliteal circulation. This study compares the outcomes of tibial stenting and plain balloon angioplasty (POBA) prior to Food and Drug Administration (FDA) approval of a tibial scaffold.</p><p><strong>Methods: </strong>The Vascular Quality Initiative peripheral vascular intervention module was reviewed for patients treated for tibial peripheral arterial disease between 2011 and 2024. Trends in tibial interventions were derived, and patient characteristics undergoing stenting or POBA were compared. Propensity score matching was performed to evaluate outcomes, and Kaplan-Meier (KM) estimates of major adverse limb event-free (MALE-free) survival were compared.</p><p><strong>Results: </strong>Among 316,240 patients undergoing 460,584 procedures, 90,380 (28.6%) underwent tibial revascularization. Use of stenting declined (11.7%→3.0%), whereas use of special balloons increased (2.7%→14.3%). Before matching, patients undergoing stenting were more likely to be older, male, White, and had higher smoking rates but were less likely to have diabetes, congestive heart failure, and end-stage renal disease compared to patients undergoing POBA. They also more frequently underwent elective treatment of shorter lesions involving the tibioperoneal trunk with more fluoroscopy time. After matching, patients undergoing stenting had higher perioperative complications but achieved higher technical success compared to POBA. After a mean follow-up of 1.2 years, KM analysis demonstrated superior MALE-free survival among patients receiving stenting.</p><p><strong>Conclusion: </strong>Tibial stenting is associated with higher technical success than POBA and superior MALE-free survival. Dedicated tibial artery stents are needed in the endovascular armamentarium.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":"338-349"},"PeriodicalIF":1.6,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149057293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of Vascular Surgery Interest Groups with Applicant Volume and Match Outcomes: A Multi-Year Analysis of National Resident Matching Program Data.","authors":"Calvin L Chao, Margaret A Reilly, Lara Lopes, Deena El-Gabri, Mark K Eskandari, Anand Brahmandam, Tadaki M Tomita","doi":"10.1016/j.avsg.2026.09.022","DOIUrl":"https://doi.org/10.1016/j.avsg.2026.09.022","url":null,"abstract":"<p><strong>Introduction: </strong>Vascular Surgery Interest Groups (VSIGs) have been established at numerous medical schools to promote early specialty exposure. However, their influence on applicant volume and match outcomes remains incompletely defined. This study evaluates the impact of VSIG presence in an applicant's medical school on national application volume to integrated vascular surgery residency and match performance.</p><p><strong>Methods: </strong>U.S. allopathic medical schools with active VSIGs were identified via Society for Vascular Surgery registration. Aggregate, de-identified data were obtained from the National Resident Matching Program for 2020-2025 match cycles and compared to U.S. allopathic non-VSIG institutions. Data were normalized by number of institutions in each group and used for univariate analysis.</p><p><strong>Results: </strong>428 applicants were identified from VSIG institutions (n=88) versus 142 applicants from non-VSIG institutions (n=76). VSIG institutions demonstrated significantly higher normalized applicant volume per cycle (0.81 vs 0.31, p<0.0001) (Figure 1) and higher mean annual match rate (79.8% vs 64.9%, p=0.006) (Figure 2). Applicant volume per school increased at VSIG institutions over time (2020: 0.63; 2025: 0.97), while non-VSIG institutions showed a slight decline (2020: 0.36; 2025: 0.32). No significant differences were found between groups in research, work, or volunteer experiences, or abstract/presentation/publication count. Nationally, research experiences remained stable, work and volunteer experiences declined, and abstract/presentation/publication count increased across the study period.</p><p><strong>Discussion: </strong>The presence of a VSIG at a medical school is associated with increased integrated vascular surgery residency applicant volume and improved match outcomes. Early engagement through VSIGs may be an effective strategy to enhance recruitment into vascular surgery.</p>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149036172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}