{"title":"Case Report: Treatment of Transplanted Renal Artery Anastomotic Pseudoaneurysm With Parallel Stent Grafting.","authors":"Anil Shah, Rishabh Matta, Isabel Billiar, Satish Muluk","doi":"10.1177/15385744241280542","DOIUrl":"10.1177/15385744241280542","url":null,"abstract":"<p><p>A 53 year old woman needed surgical management of an anastomotic pseudoaneurysm after renal transplant. Contrast enhanced computed tomography demonstrated a pseudoaneurysm arising off of the right external iliac artery. Considering the risk of potentially sacrificing her renal transplant, we elected to perform endovascular repair with parallel stent grafting. The operation was successful and postoperative course uneventful illustrating that this approach may be beneficial in similar circumstances.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"89-92"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142116650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Challenging Conventional Treatment: Retrograde Implantation of a Covered Stent in Superior Mensenteric Artery Occlusion Case.","authors":"Zhang Jie, Zeyi Zhao","doi":"10.1177/15385744241278042","DOIUrl":"10.1177/15385744241278042","url":null,"abstract":"<p><p><b>Background:</b> This case report describes a novel endovascular technique for treating superior mesenteric artery (SMA) occlusion, a condition leading to chronic mesenteric ischemia (CMI). Traditional treatment methods for CMI, primarily due to SMA stenosis, are often complex and risky, particularly for patients unsuitable for conventional surgery. <b>Objective:</b> This study details the application of retrograde recanalization followed by the deployment of a VIABAHN covered stent in a patient with complete SMA ostium occlusion. <b>Methods:</b> The procedure's success in re-establishing mesenteric blood flow demonstrates its potential as a less invasive, safer alternative to traditional surgical approaches. This technique's innovation lies in its retrograde approach, allowing for effective treatment in cases where antegrade access is unfeasible. <b>Results:</b> The patient showed significant symptom improvement without procedural complications, underscoring the method's efficacy and safety. <b>Conclusion</b>: These findings suggest that retrograde stent implantation can be a viable option for managing SMA occlusions, especially in high-risk surgical cases. The successful application of this technique in this case contributes to the evolving landscape of endovascular interventions in vascular surgery and offers a promising direction for future research and clinical practice in treating SMA-related conditions.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"76-83"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11514322/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142047696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Khuzaima Khan, Eiman Amir, Omobolaji Akano, Joseph Borucki, Ahmad Al Thaher, Philip Stather, Tariq Ali
{"title":"Challenging the Controversy Surrounding Percutaneous Brachial Artery Access Related Complications: A Systematic Review and Meta-Analysis.","authors":"Khuzaima Khan, Eiman Amir, Omobolaji Akano, Joseph Borucki, Ahmad Al Thaher, Philip Stather, Tariq Ali","doi":"10.1177/15385744241278048","DOIUrl":"10.1177/15385744241278048","url":null,"abstract":"<p><strong>Background: </strong>Endovascular therapy has become increasingly preferred in the diagnosis and treatment of various conditions. The choice of arterial access usually depends on the type of procedure being performed with most via the common femoral artery and increasingly via the radial artery. Percutaneous access via the brachial artery has however been approached with caution due to the perceived increased risk for development of complications. Percutaneous brachial artery access (pBAA) has insufficient evidence when compared to femoral and radial access, with no large-scale studies available. The objective of this study is to review the literature and report the clinical and radiological complications associated with pBAA.</p><p><strong>Methods: </strong>EMBASE, EMCARE, CINAHL and Medline were searched for existing data on the complications associated with pBAA. Systematic review and meta-analysis were carried out on the data of 31 studies.</p><p><strong>Results: </strong>The results of this systematic review and meta-analysis indicates that the probability of post procedural haematoma was 4.76%, haemorrhage 1.43%, perforation 1.11% pseudoaneurysm 1.06%, spasm 0.9%, thrombus 0.55%, neuropathy 0.53%, occlusion 0.51%, ischaemia 0.37% and infection 0.24 %. Non-target vessel puncture, stenosis and stroke had a 0% incidence among the assessed population.</p><p><strong>Conclusion: </strong>This study provides evidence to support clinical decision making when it comes to the utility of pBAA in endovascular diagnosis or therapy. The results demonstrate that pBAA is relatively safe with a low incidence of serious complications and thereby provide the clinician with the option of an alternate access point when planning treatment.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"47-63"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142116651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alhussein M Khedr, Mohammed S Foula, Mohammed Alsagheer Alhewy, Abdelaziz Ahmed Abdelhafez, Ibrahim Hanbal Hanbal, Ehab Abd Elmoneim Ghazala, Ahmed Atef Khamis, Hassan Gado, Wael Abdo Abdo Abd-Elgawad, Abdullah El Sayed, Awad Ibrahim, Yasser Elghoneimy, Abdelhalim A Abdelmohsen
{"title":"Acute Vascular Complications of VA-ECMO in COVID-19 Patients. Does COVID-19 Affect the Outcome?","authors":"Alhussein M Khedr, Mohammed S Foula, Mohammed Alsagheer Alhewy, Abdelaziz Ahmed Abdelhafez, Ibrahim Hanbal Hanbal, Ehab Abd Elmoneim Ghazala, Ahmed Atef Khamis, Hassan Gado, Wael Abdo Abdo Abd-Elgawad, Abdullah El Sayed, Awad Ibrahim, Yasser Elghoneimy, Abdelhalim A Abdelmohsen","doi":"10.1177/15385744241276650","DOIUrl":"10.1177/15385744241276650","url":null,"abstract":"<p><strong>Background: </strong>Extracorporeal membrane oxygenation (ECMO) through the femoral artery and vein can lead to significant vascular complications. We retrospectively studied the acute vascular complications of Veno-Arterial Extracorporeal Membrane Oxygenation (VA-ECMO) in COVID-19 patients compared to non-COVID patients during the period from January 2020 to July 2023.</p><p><strong>Results: </strong>Seventy-eight patients underwent VA-ECMO for various indications from January 2020 to July 2023. The studied patients had a mean age of 59.6 ± 6.9 years for non-COVID patients (38 patients), and 62.2 ± 7.6 years for COVID patients (40 patients), with a <i>P</i> = 0.268. In non-COVID patients, The baseline characteristics were similar in both groups. The primary indications for ECMO were cardiac diseases, followed by respiratory failure (78.9% vs 10.5%). Conversely, in COVID patients, respiratory failure due to COVID-19 infection was the main indication (45% vs 40%). The overall incidence of general complications, including cerebrovascular stroke, acute kidney injury, intracardiac thrombi, and wound infection, was comparable in both groups (31.6% vs 45%). The overall incidence of vascular complications in both groups was 33.3%. Ipsilateral acute lower limb ischemia occurred in 5.3% vs 10% of non-COVID and COVID patients, respectively. Thrombosis of the distal perfusion catheter (DPC) occurred in 10.5% vs 15%, respectively.</p><p><strong>Conclusion: </strong>During the COVID-19 pandemic, an increasing number of patients required VA-ECMO due to associated respiratory failure. Patients undergoing VA-ECMO are at high risk of developing various vascular complications. COVID-19 significantly increases the risk of acute limb ischemia and distal perfusion catheter thrombosis in both upper and lower limbs. However, other VA-ECMO-related vascular complications are comparable between COVID-19 and non-COVID patients.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"21-28"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kristopher Maier, Alex Helkin, Jeffrey J Stein, Helen L Yuan, Keri Seymour, Boris Ryabtsev, Chinenye Iwuchukwu, Vivian Gahtan
{"title":"Short-Term and Long-Term Fluvastatin Inhibit Effects of Thrombospondin-1 on Human Vascular Smooth Muscle Cells.","authors":"Kristopher Maier, Alex Helkin, Jeffrey J Stein, Helen L Yuan, Keri Seymour, Boris Ryabtsev, Chinenye Iwuchukwu, Vivian Gahtan","doi":"10.1177/15385744241279113","DOIUrl":"10.1177/15385744241279113","url":null,"abstract":"<p><strong>Introduction: </strong>Vascular smooth muscle cells are important in intimal hyperplasia. Thrombospondin-1 is a matricellular protein involved in the vascular injury response. Statins are cholesterol lowering drugs that have beneficial cardiovascular effects. Statis have been shown to inhibit smooth muscle migration through the mevalonate pathway. This effect is thought to be mediated by small G protein Ras and Rho turnover which requires many hours. While many patients undergoing treatment for vascular disease are on statins, many are not. Thus immediate pretreatment with statins before surgery may be beneficial. We hypothesized that statins have effects independent of the mevalonate pathway and thus have an immediate effect.</p><p><strong>Methods: </strong>Human vascular smooth muscle cells were pretreated for 20 h (long-term) or 20 min (short-term) with fluvastatin, or mevalonolactone plus fluvastatin. Thrombospondin-1-induced migration, activation of p42/p44 extracellular signal-regulated kinase, c-Src, focal adhesion kinase and PI3 kinase was determined. The effect of fluvastatin on thrombospondin-1-induced expression of <i>THBS1</i>, <i>FOS</i>, <i>HAS2</i> and <i>TGFB2</i> was examined.</p><p><strong>Results: </strong>Both treatments inhibited thrombospondin-1-induced chemotaxis back to the control group. Mevalonolactone reversed the long-term statin effect by increasing migration but had no effect on the short-term statin response. p42/p44 extracellular signal-regulated kinase was activated by thrombospondin-1 and both treatments augmented activation. Neither treatment affected c-Src activity, but both inhibited focal adhesion kinase and PI3 kinase activity. Only long-term statin treatment inhibited <i>THBS1</i> expression while both treatments inhibited <i>FOS</i> and <i>TGFB2</i> expression. Neither treatment affected <i>HAS2</i>. <i>FOS</i> knockdown inhibited thrombospondin-1-induced <i>HAS2</i> but not <i>TGFβ2</i> gene expression.</p><p><strong>Conclusion: </strong>Long-term fluvastatin inhibited thrombospondin-1-induced chemotaxis through the mevalonate pathway while short-term fluvastatin inhibited chemotaxis through an alternate mechanism. Short-term stains have immediate effects independent of the mevalonate pathway. Acute local treatment with statins followed by longer term therapy may limit the vascular response to injury.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"39-46"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maram Darwish, Mario D'Oria, Alexander Croo, Ryan Gouveia Melo, Lewis Meecham
{"title":"Prospective Multi-Center Longitudinal Study to Validate Accuracy of the Global Anatomic Staging System (GLASS) Score in Predicting Major Acute Limb Events in Patients With Chronic Limb Threatening Ischemia Undergoing Endovascular Intervention: The PROMOTE-GLASS Study Protocol.","authors":"Maram Darwish, Mario D'Oria, Alexander Croo, Ryan Gouveia Melo, Lewis Meecham","doi":"10.1177/15385744241276690","DOIUrl":"10.1177/15385744241276690","url":null,"abstract":"<p><strong>Introduction: </strong>Developed by the Global Vascular Guidelines committee, the Global Limb Anatomic Staging System (GLASS) is an angiographic scoring system used for quantifying infrainguinal disease extent and predicting treatment success with endovascular techniques (EVT). Currently, no other risk prediction model is available for patients with chronic limb threatening ischemia (CLTI) undergoing EVT. GLASS' validation and adoption outside academic institutions for research are limited. Thus, this longitudinal multicenter prospective study aims to examine GLASS' validity and reliability in predicting major acute limb events and overall survival (OS) in patients with CLTI undergoing EVT.</p><p><strong>Methods and analysis: </strong>This prospective, international, multicenter, observational study will include patients with CLTI undergoing EVT (PROMOTE-GLASS) (ClinicalTrials.gov; ID: NCT06186544) identified through routine clinical referrals and emergency visits to vascular units in participating centers. Only patients who are referred for EVT will be recruited. The primary outcomes are immediate technical success, immediate technical failure, and 1-year limb base patency. The secondary outcomes are major adverse limb events, major lower limb amputation, and OS in patients presenting with CLTI who undergo EVT up to 1 year after the procedure. Clinical and imaging data will be analyzed at the end of follow-up to validate risk prediction. This protocol outlines our approach for identifying cases, GLASS score calculation, outcome measures assessment, and a statistical analysis plan.</p><p><strong>Anticipated implications: </strong>PROMOTE-GLASS holds significant implications and can potentially revolutionize clinical decision-making by assisting clinicians in identifying patients who are likely to benefit from EVT. Ultimately, reduce the need for more invasive procedures and improve patient outcomes. Furthermore, PROMOTE-GLASS can provide useful information, including patient selection, for future randomized controlled trials (RCTs) investigating EVT for CLTI. PROMOTE-GLASS anticipated implications on the vascular community are rooted in its potential to improve patient care, inform future research, and address limitations in existing literature regarding CLTI treatment outcomes.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"29-38"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Resecting Lower Segment Inferior Vena Cava Leiomyosarcoma With Middle Segment Extension While Avoiding Renal Morbidity.","authors":"Naveen Kumar Kushwaha, Pradeep Jaiswal, Vijay Pratap Singh, Pawan Kumar Dhaman","doi":"10.1177/15385744241276607","DOIUrl":"10.1177/15385744241276607","url":null,"abstract":"<p><p>Primary leiomyosarcoma of the inferior vena cava (IVC) is a rare and aggressive mesenchymal tumor, with less than 400 reported cases to date. Complete resection of the tumor with clear margins is the only proven curative treatment, providing survival benefits. Nonetheless, leiomyosarcomas in the middle segment or those extending up to it within the inferior vena cava (IVC) frequently necessitate renal reimplantation or nephrectomy, with rates varying between 56% and 75%. In this case report, we present a 65-year-old female with lower segment IVC leiomyosarcoma with middle segment extension, successfully resected and reconstructed while avoiding associated renal reimplantation or nephrectomy morbidity.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"871-875"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142001675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mean Pressure Gradient and Fractional Flow Reserve at A Superficial Femoral Artery Dissection after Drug-Coated Balloon Angioplasty.","authors":"Taira Kobayashi, Takashi Fujiwara, Masaki Hamamoto, Takanobu Okazaki, Ryo Okusako, Tomokazu Yamaguchi, Naohide Sugawara, Mayu Tomota, Shinya Takahashi","doi":"10.1177/15385744241275055","DOIUrl":"10.1177/15385744241275055","url":null,"abstract":"<p><strong>Objectives: </strong>Residual dissection is a concern in endovascular treatment with a DCB, and there is limited knowledge of hemodynamics at a dissection lesion. Therefore, the objective of this study is to evaluate the mean pressure gradient (MPG) and fractional flow reserve (FFR) at a residual dissection after DCB angioplasty for the superficial femoral artery (SFA).</p><p><strong>Methods: </strong>A total of 59 cases with residual SFA dissection treated with DCB angioplasty at a single center were analyzed retrospectively. The dissection was classified into 6 types (A-F). The primary endpoints were MPG and FFR at a residual dissection lesion after DCB angioplasty, using evaluation with a pressure wire.</p><p><strong>Results: </strong>The median lesion length was 70 (40-130) mm with 24% popliteal involvement, and 11 cases (18%) had chronic total occlusion. A completion angiogram revealed dissection of types A (n = 33, 56%), B (n = 18, 31%), C (n = 7, 12%), and D (n = 1, 2%). The median MPGs in type A, B, and C cases were 0 (0-2), 0 (0-4), and 3 (0-6) mmHg, with a significant lower in type C cases than in type A cases (A vs C, <i>P</i> = .021). The median FFRs in type A, B, and C cases of 1.0 (.98-1.00), 1.0 (.96-1.00), and .98 (.95-1.00) did not differ significantly among dissection types (A vs B, <i>P</i> = .86; A vs C, <i>P</i> = .055; B vs C, <i>P</i> = .15).</p><p><strong>Conclusions: </strong>This is the first report of hemodynamics at a SFA dissection. The results suggest that low-grade dissection (types A or B) does not affect MPG and FFR at a SFA lesion. This indicates that a bailout stent may be unnecessary for patients with dissection of types A or B. A further investigation is needed to determine whether a scaffold is required for a SFA lesion with type C dissection.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"818-824"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141977610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Georgios S Sfyroeras, Eleni Georgiadi, Georgia Papavasileiou, Stavros Spiliopoulos, John D Kakisis
{"title":"In Situ Needle Fenestration during Thoracic Endovascular Aneurysm Repair: Successful Fenestration of Two Overlapping Thoracic Stent Grafts.","authors":"Georgios S Sfyroeras, Eleni Georgiadi, Georgia Papavasileiou, Stavros Spiliopoulos, John D Kakisis","doi":"10.1177/15385744241273434","DOIUrl":"10.1177/15385744241273434","url":null,"abstract":"<p><p>Endovascular stent grafting is becoming more common in treating complex thoracic aortic aneurysms and dissections. When it becomes necessary to cover the supra-aortic vessels, maintaining blood supply through the supra-aortic branches can be achieved by performing in situ needle fenestration. We present a case of a 65-year-old man with a type B aortic dissection that extended from the origin of the left subclavian artery. A stent graft was inserted into the thoracic aorta distally of the origin of the left common carotid artery. Due to the stent graft moving distally and not adequately sealing the subclavian artery, a second stent graft was placed more proximally. Both stent grafts were successfully in situ fenestrated using a needle, and a stent graft was inserted into the subclavian artery. In conclusion, during thoracic endovascular aortic repair, in situ needle fenestration can be successfully carried out on two overlapping thoracic stent grafts.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"866-870"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142006211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Keohane Cr, Westby D, Twyford M, Aherne T, Tawfick W, Walsh Sr
{"title":"Axial Ablation versus Terminal Interruption of the Reflux Source (AAVTIRS): A Randomised Controlled Trial.","authors":"Keohane Cr, Westby D, Twyford M, Aherne T, Tawfick W, Walsh Sr","doi":"10.1177/15385744241265750","DOIUrl":"10.1177/15385744241265750","url":null,"abstract":"<p><strong>Introduction: </strong>Treatment of reflux has been shown to improve time to healing of Venous Leg Ulcers (VLU). Terminal Interruption of the Reflux Source (TIRS) treats reflux within the plexus of veins around an active VLU using foam sclerotherapy. The efficacy of TIRS in managing VLU has never been tested.</p><p><strong>Methods: </strong>We performed a pragmatic, single centre, assessor-blinded, randomised controlled trial comparing endovenous ablation of the axial superficial veins (Axial Ablation-AA) vs TIRS. Patients of any age with VLU of any duration were eligible.</p><p><strong>Results: </strong>98 Participants were randomised to AA or TIRS. 39/55, 70.9% (95%CI; 57.1-82.37) healed their VLU in the AA group, while 29/39, 74.36% (95%CI; 57.87-86.96) healed their VLU in the TIRS group, <i>P</i> = 0.45.4 were lost to follow-up. Median time to ulcer healing was 84 days (95%CI; 74.67-93.33) in the axial ablation group and 84 days (95%CI; 73.02-94.98) in the TIRS group. Hazard Ratio for ulcer healing with AA vs TIRS was 0.96 (95%CI 0.59-1.56). There were no significant quality of life differences.</p><p><strong>Conclusion: </strong>The AAVTIRS trial did not show that axial ablation was superior to TIRS in the primary outcome of number of VLU healed in 6 months, or time to VLU healing. This trial is not powered to show non-inferiority. TIRS is a viable option for treatment of VLU. Further investigation is necessary before it can be recommended as an alternative to axial ablation.Trial registered at clinicaltrials.gov NCT04484168.</p>","PeriodicalId":94265,"journal":{"name":"Vascular and endovascular surgery","volume":" ","pages":"805-812"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11425978/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141736270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}