Annals of vascular surgery最新文献

{"title":"Corrigendum to “Time until Operation for Elective Endovascular Aortic Aneurysm Repair in Canadian Vascular Centers Using the Canadian Vascular Quality Initiative Registry” [Annals of Vascular Surgery Volume 113 (2025) 205–213]","authors":"Nadia O. Trabelsi , Laura M. Drudi , Hassan Bachir Melhem , Cristian Rosu , Louis-Mathieu Stevens , Stéphane Elkouri","doi":"10.1016/j.avsg.2025.04.114","DOIUrl":"10.1016/j.avsg.2025.04.114","url":null,"abstract":"","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Page 110"},"PeriodicalIF":1.4,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143928485","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":"Carotid Artery Stenting Using Sheathless 8Fr Optimo Balloon Guide Catheter System via Transradial Access","authors":"Taichiro Imahori ,&nbsp;Shigeru Miyake ,&nbsp;Ichiro Maeda ,&nbsp;Hiroki Goto ,&nbsp;Rikuo Nishii ,&nbsp;Haruka Enami ,&nbsp;Daisuke Yamamoto ,&nbsp;Hirotoshi Hamaguchi ,&nbsp;Kohkichi Hosoda ,&nbsp;Naoki Kaneko ,&nbsp;Nobuyuki Sakai ,&nbsp;Takashi Sasayama","doi":"10.1016/j.avsg.2025.03.031","DOIUrl":"10.1016/j.avsg.2025.03.031","url":null,"abstract":"<div><h3>Background</h3><div>The transradial approach (TRA) is a less invasive alternative for carotid artery stenting (CAS). However, limited device availability has restricted its application, and reports on balloon guide catheters (BGCs) in TRA are scarce. This study reports the initial experience with sheathless 8Fr BGC in CAS via TRA.</div></div><div><h3>Methods</h3><div>We retrospectively analyzed cases of CAS performed with a sheathless 8Fr Optimo BGC (Tokai Medical Products, Aichi, Japan) via TRA from April 2023 to November 2024. Patient demographics, procedural details, and outcomes were evaluated. The primary efficacy endpoint was the technical success rate, while the primary safety endpoint was a composite of major access-related complications, stroke, myocardial infarction, and death within 30 days.</div></div><div><h3>Results</h3><div>A total of 30 cases were included (median age 77 years; 90% male). Symptomatic lesions were present in 42%, with a median stenosis rate of 79%, and 63% involved the right carotid artery. Sheathless BGC insertion and navigation succeeded in 29 cases (97%), with 1 case (3%) requiring conversion to brachial access due to radial artery spasm. Balloon inflation for flow control and device stabilization was performed in 23 cases (77%). CAS was successful in all cases, with no major complications or adverse events.</div></div><div><h3>Conclusion</h3><div>Our experience suggests that the sheathless 8Fr BGC is safe and feasible for CAS via TRA. This approach preserves the minimally invasive nature of TRA while improving device stability and potentially reducing embolic risk. Further development of TRA-specific low-profile devices may enhance procedural outcomes and broaden adoption in neurointervention.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 72-84"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143923674","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":"Axillary versus Jugular Vein for Totally Implanted Port-A-Cath, Randomized, Controlled Trial","authors":"Bruno Soriano Pignataro,&nbsp;Kenji Nishinari,&nbsp;Mariana Krutman,&nbsp;Igor Yoshio Ymagawa Fonseca,&nbsp;Rafael Noronha Cavalcante,&nbsp;Guilherme Centofanti,&nbsp;Nicole Inforsato,&nbsp;Guilherme Yazbek","doi":"10.1016/j.avsg.2025.03.035","DOIUrl":"10.1016/j.avsg.2025.03.035","url":null,"abstract":"<div><h3>Background</h3><div>To compare the safety and efficacy of the internal jugular vein and the axillary vein access points for port-a-cath (PORT) implantation in cancer patients undergoing systemic intravenous treatments.</div></div><div><h3>Methods</h3><div>The study was conducted at the AC Camargo Cancer Center in São Paulo, Brazil. Between April 2017 and June 2021, a total of 240 patients were initially recruited, of whom 213 were included in the final analysis of the study. Participants were randomly assigned to either the axillary or jugular access groups. The PORT placement was facilitated using ultrasound and radioscopy guidance. The study's primary objective was to assess the total complication rate, which was analyzed following both intention-to-treat and per-protocol principles.</div></div><div><h3>Results</h3><div>The overall complication rates for both access points were low and not significantly different. However, there was a higher tendency toward thrombosis in the axillary group, leading to the PORT removal in 4 patients.</div></div><div><h3>Conclusion</h3><div>Although axillary vein access offers certain advantages, such as a single incision and elimination of the need for a subcutaneous tunnel, our findings suggest that internal jugular vein access may often be a more practical choice due to its larger diameter, superficial location, and straight trajectory to the right atrium for the right jugular. Therefore, despite axillary vein access serving as a viable alternative, internal jugular vein access might be a more suitable choice, especially for patients at a higher risk of thrombosis.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 56-63"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917300","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":"Beyond Benign: Rethinking the Role of Type II Endoleaks in Proximal Seal Failure after Endovascular Aneurysm Repair","authors":"Antonio Marzano,&nbsp;Francesca Miceli,&nbsp;Luca di Marzo,&nbsp;Wassim Mansour","doi":"10.1016/j.avsg.2025.04.062","DOIUrl":"10.1016/j.avsg.2025.04.062","url":null,"abstract":"","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Page 35"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917809","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":"A Novel Mouse Model for Superficial Varicose Veins: The Dorsal Fold Approach","authors":"Zhinan Ju ,&nbsp;Kanghui Dai ,&nbsp;Liqun Wan ,&nbsp;Guangmao Zhou ,&nbsp;Yongmei Zhang ,&nbsp;Xianhua Zhu ,&nbsp;Jiehua Qiu","doi":"10.1016/j.avsg.2025.04.063","DOIUrl":"10.1016/j.avsg.2025.04.063","url":null,"abstract":"<div><h3>Background</h3><div>While porcine models have been successfully established for superficial varicose veins research, their widespread application remains constrained by substantial costs and procedural complexities. This study aims to develop and systematically characterize a novel murine model of superficial venous varicosity, thereby providing a useful animal model for future therapeutic investigations.</div></div><div><h3>Methods</h3><div>The dorsal pleated chamber was modeled by installing a chamber frame on the back of the mice. Transillumination microscopy was used daily for 1 week postoperatively, and the length and diameter of the vessels in the viewing window were measured. Histology and immunohistochemistry were used to assess structural changes and pathological changes in the veins.</div></div><div><h3>Results</h3><div>One week after the procedure, the veins in the observation window showed significant length and diameter changes. Histologically, the experimental group of veins observed manifestations consistent with human superficial varicose veins, such as dilatation of the walls, increased inflammation, atrophy of the mesentery, and connective tissue degeneration.</div></div><div><h3>Conclusion</h3><div>Superficial varicose veins formed in this model have morphology and histology consistent with that observed in human varicose vein disease. The mouse dorsal fold model is considered a suitable experimental model for assessing the pathobiology of superficial venous disease. It may also be suitable for evaluating therapeutic interventions including drug therapy.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 103-109"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143927694","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":"Endovascular Management of Acute and Chronic Mesenteric Ischemia","authors":"Andrea Alonso,&nbsp;Khuaten Maaneb de Macedo,&nbsp;Jeffrey J. Siracuse","doi":"10.1016/j.avsg.2025.04.105","DOIUrl":"10.1016/j.avsg.2025.04.105","url":null,"abstract":"<div><h3>Background</h3><div>Mesenteric ischemia demands prompt and effective revascularization. Endovascular therapy (EVT) has become a well-established treatment modality with several benefits. This review examines current EVT options for managing acute and chronic mesenteric ischemia (CMI) in contemporary practice.</div></div><div><h3>Method</h3><div>A comprehensive literature review was conducted to evaluate endovascular techniques for mesenteric ischemia, including angioplasty, stenting, thrombectomy, thrombolysis, pharmacological thrombectomy, local vasodilator infusion, and hybrid approaches. We also evaluated access sites and postoperative management.</div></div><div><h3>Results</h3><div>EVT offers several advantages in the management of mesenteric ischemia, with various access sites and techniques available for single or combined use. EVT has largely replaced open revascularization for CMI and is increasing in use for acute mesenteric ischemia (AMI). The utility of each approach varies by disease chronicity, with different risk-benefit profiles. While short-term outcomes are favorable, long-term patency rates and the need for reinterventions remain concerns. Further research is needed to compare open to endovascular revascularization.</div></div><div><h3>Conclusion</h3><div>EVT provides diverse revascularization options for mesenteric ischemia, particularly for high-risk patients. While it has favorable short-term outcomes, EVT may be associated with higher rates of restenosis and reintervention in the long term and the overall mortality rates for this disease process remain high, particularly for AMI. The choice between endovascular and open surgical approaches should be individualized on patient factors, lesion characteristics, and surgeon or interventionist expertise. Further prospective and randomized trials are needed to better elucidate outcomes from this approach and guide operative management.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"118 ","pages":"Pages 21-33"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143927593","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":"Open Versus Endovascular Repair of Patent Popliteal Artery Aneurysms in an Elective Setting: A Multicenter Retrospective Study with Long-Term Follow-Up","authors":"Matteo Ripepi ,&nbsp;Lorenzo Gibello ,&nbsp;Emanuele Ferrero ,&nbsp;Marianna Scevola ,&nbsp;Paola Manzo ,&nbsp;Gianfranco Varetto ,&nbsp;Simone Quaglino ,&nbsp;Lorenza Chiera ,&nbsp;Michele Boero ,&nbsp;Michelangelo Ferri ,&nbsp;Andrea Gaggiano ,&nbsp;Fabio Verzini","doi":"10.1016/j.avsg.2025.03.023","DOIUrl":"10.1016/j.avsg.2025.03.023","url":null,"abstract":"<div><h3>Background</h3><div>The aim of this study is to investigate long-term outcomes of open repair (OR) versus endovascular popliteal aneurysm repair (EPAR) for popliteal artery aneurysms (PAAs) in an elective setting.</div></div><div><h3>Methods</h3><div>A retrospective analysis was performed on all patients treated for a popliteal aneurysm with OR and EPAR between 2010 and 2020 in 2 high-volume centers. Primary endpoints were freedom from amputation and overall patency. Secondary endpoints included secondary patency, reinterventions rates and predictors of late failure. Follow-up protocol included clinical examination and duplex ultrasound at 1, 6, 12 months, and annually thereafter. The Chi-square test was used to assess differences in categorical outcomes and Student's <em>t</em>-test in continuous outcomes. A <em>P</em> value of less than 0.05 was considered statistically significant.</div></div><div><h3>Results</h3><div>Between 2010 and 2020, 143 limbs from 120 patients were treated for PAA in an elective setting: 70 limbs with OR and 73 with EPAR. Primary patency at 1, 3, and 5 years were 92.7%, 92.7%, and 81% for OR and 77.3%, 67.9%, and 64.1% for EPAR respectively (<em>P</em> = 0.01). There was a significant difference in terms of 1-year patency for patients with 2–3 runoff vessels between OR and EPAR (96.1% vs. 82.7 respectively, <em>P</em> = 0.03). Reintervention rate was different between the groups with freedom from reintervention at 1, 3, and 5 years all of 95.7% for OR and 82.2%, 70.9%, and 70.9% for EPAR (<em>P</em> = 0.02). The 1-, 3-, and 5-year secondary patency did not differ between the groups and was 100%, 97.6%, and 90.6% for OR and 94%, 91.3%, and 88.4% for EPAR (<em>P</em> = 0.3). Freedom from amputation was excellent for both groups (100% for OR and 99% for EPAR, <em>P</em> = 0.5). The presence of 2–3 runoff vessels was a relevant protective moderator with a relative risk of 0.6 (<em>P</em> = 0.08).</div></div><div><h3>Conclusion</h3><div>OR and EPAR are comparable therapeutic options for the treatment of asymptomatic PAAs in terms of secondary patency and freedom from amputation despite an increasing rate of late occlusions and reintervention in EPAR group. The difference in primary patency between the 2 techniques seems more significant within the first-year of follow-up for those patients with a better runoff.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 64-71"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917810","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":"Progressive Protocols for Pediatric Acute Lower Extremity Ischemia Postcatheterization Pediatric Lower Extremity Ischemia Protocol Postcatheterization","authors":"Qian Wang,&nbsp;Chang Hu,&nbsp;Whitney Annie Long,&nbsp;Feng Tang,&nbsp;Lei Li","doi":"10.1016/j.avsg.2025.03.028","DOIUrl":"10.1016/j.avsg.2025.03.028","url":null,"abstract":"<div><h3>Background</h3><div>Pediatric acute lower extremity ischemia postcatheterization (PALIC) represents a significant clinical challenge. Effective management protocols that minimize aggressive interventions and complications are essential for improving patient outcomes. This investigation assesses the effectiveness of the FAST protocol (<strong><u>F</u></strong>asudil infusion combined with <strong><u>A</u></strong>nticoagulation based on oxygen <strong><u>S</u></strong>aturation monitoring backup with <strong><u>T</u></strong>hrombolytic) series in treating pediatric acute lower extremity ischemia after catheterization (PALIC), with a particular emphasis on minimizing aggressive interventions and complications.</div></div><div><h3>Methods</h3><div>A retrospective study of 1,380 pediatric catheterization cases from January 2009 to December 2022 was conducted. The research encompassed 3 stages: before FAST implementation (stage 1), during initial FAST adoption (stage 2), and subsequent FAST+ upgrade (stage 3).</div></div><div><h3>Results</h3><div>Acute lower extremity ischemia (ALI) was observed in 7.1% (98/1,380) of pediatric cases postcatheterization. The PALIC detection rates in stages 2 and 3 were 4.2% and 12.1%, respectively, showing a statistically significant reduction in aggressive interventions from 100% to 0% and complications from 100% to 1.2% in later stages (<em>P</em> &lt; 0.05).</div></div><div><h3>Conclusion</h3><div>The safety and effectiveness of both the FAST and FAST+ protocols in managing PALIC have been demonstrated. The enhanced FAST+ protocol notably improve early detection, thereby augmenting the effectiveness of treatment.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 92-102"},"PeriodicalIF":1.4,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143923433","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":"Prognostic Value of the HCO3-to-Lactate Ratio in Acute Mesenteric Ischemia: A Retrospective Analysis","authors":"Andreia Pinelo ,&nbsp;Luís Loureiro ,&nbsp;Marco Pires ,&nbsp;Daniel Mendes ,&nbsp;Henrique Almeida ,&nbsp;Miguel Queirós ,&nbsp;João Cabral ,&nbsp;Samuel Cardoso ,&nbsp;Rui Machado","doi":"10.1016/j.avsg.2025.03.026","DOIUrl":"10.1016/j.avsg.2025.03.026","url":null,"abstract":"<div><h3>Background</h3><div>Acute mesenteric ischemia (AMI) is a life-threatening emergency with persistently high mortality rates, requiring improved tools for perioperative risk assessment. This study investigates the real-world outcomes of patients with occlusive arterial AMI undergoing surgery, focusing on predictors of short-term mortality.</div></div><div><h3>Methods</h3><div>A retrospective, single-center analysis was conducted on patients undergoing emergent mesenteric surgery for occlusive arterial AMI between January 2015 and May 2024. The primary outcome was 30-day survival; secondary outcomes included predictors of in-hospital mortality based on preoperative laboratory parameters.</div></div><div><h3>Results</h3><div>Sixty patients (mean age 75 ± 12 years) were included, with a 30-day survival rate of 45%. Of the 60 patients, 15 (75%) with acute-on-chronic symptoms (<em>n</em> = 20) survived, compared to 12 (30%) with acute onset (<em>n</em> = 40) (<em>P</em> = 0.003). Multivariate Cox regression identified lactate, bicarbonate (HCO₃), the HCO₃-to-lactate ratio, and neutrophil count as predictors of 30-day mortality. The HCO₃-to-lactate ratio ≤10 demonstrated high predictive accuracy (area under the curve 0.832, sensitivity 90.6%, specificity 75%). In acute-onset cases, excluding acute-on-chronic symptoms improved specificity to 100%.</div></div><div><h3>Conclusion</h3><div>The HCO₃-to-lactate ratio is a robust prognostic marker in occlusive arterial AMI, reflecting both tissue hypoperfusion and impaired metabolic compensation. These findings support its potential utility in risk stratification and in guiding clinical decision-making in the emergent management of AMI.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 19-27"},"PeriodicalIF":1.4,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143912395","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 of iCAST Bridging Stents in Zenith Fenestrated Endografts – A Single Center Experience","authors":"Ryan Wahidi,&nbsp;Nathan Droz,&nbsp;Momodou Jammeh,&nbsp;Zachary Wanken,&nbsp;Luis Sanchez,&nbsp;J. Westley Ohman","doi":"10.1016/j.avsg.2025.03.030","DOIUrl":"10.1016/j.avsg.2025.03.030","url":null,"abstract":"<div><h3>Background</h3><div>To evaluate the outcomes of patients undergoing placement of balloon-expandable iCAST bridging stents during fenestrated endovascular aortic aneurysm repair (FEVAR) with Zenith Fenestrated Endografts (ZFENs) and to identify preoperative and perioperative risk factors for stent-related complications.</div></div><div><h3>Methods</h3><div>Between 2012 and 2020, 207 patients underwent FEVAR using unmodified ZFEN with bridging iCAST-covered stents to visceral target vessels. We collected patient demographics and operative variables from the index repair. We collected long-term follow-up data for endoleaks, branch patency, and reintervention. We defined branch stent complications as malalignment, kinking, occlusion, or endoleak requiring intervention as determined by surveillance imaging studies. We compared variables from the index operation in those patients with stent complications to those patients without stent complications to identify significant risk factors.</div></div><div><h3>Results</h3><div>Patients in our cohort were predominantly male (<em>n</em> = 158, 76.3%), White (<em>n</em> = 199, 96.1%), and demonstrated cardiovascular comorbidity. The majority of repairs were for juxtarenal aortic aneurysms (<em>n</em> = 149, 72%) with the remainder of repairs extending further cephalad. We identified 23 patients with bridging stent complications during follow-up that required reintervention. Brachial access was more frequently used in the complication group (34.8% vs. 15.8%, <em>P</em> = 0.0251). A significantly higher proportion of patients in the complication group was treated for extent IV thoracoabdominal aortic aneurysms (TAAAs) (17.8% vs. 5.4%, <em>P</em> = 0.0316). Additional patient characteristics and perioperative factors are compared between the branch complications and no branch complications groups. An intervention-free patency Kaplan-Meier plot is presented.</div></div><div><h3>Conclusion</h3><div>Here, we present a large single institution experience with iCAST branch stents during FEVAR using unmodified ZFEN and risk factors for stent-related complications. Patients with branch complications were more likely to have brachial access and more extensive aneurysm repair. Most branch complications were identified within the first 2 years, with half of reinterventions occurring within 7.5 months of the index operation.</div></div>","PeriodicalId":8061,"journal":{"name":"Annals of vascular surgery","volume":"117 ","pages":"Pages 85-91"},"PeriodicalIF":1.4,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143923675","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}