CVIR Endovascular最新文献

{"title":"Assessment of aortic and iliac artery calcification using CT-angiography in kidney transplant candidates.","authors":"Ola Sobhy A Elmeseiny, Simon Winther, Hanne Skou Jørgensen, My Svensson, Morten Bøttcher, Per Ivarsen, Gratien Andersen, Henrik Birn, Marie Bodilsen Nielsen","doi":"10.1186/s42155-025-00542-1","DOIUrl":"https://doi.org/10.1186/s42155-025-00542-1","url":null,"abstract":"<p><strong>Purpose: </strong>Assessment of vascular calcification provides the opportunity for risk stratification in kidney transplant candidates (KTCs), as vascular calcification constitutes an independent risk factor for cardiovascular events. The aim of the present study is to explore the feasibility of contrast enhanced computed tomography (CT)-angiography to quantitate vascular calcification, to avoid the extra radiation of an additional non-contrast CT scan.</p><p><strong>Methods and materials: </strong>43 KTCs who underwent concomitant non-contrast CT scans and CT-angiographies of the infrarenal aorta and iliac arteries were included. Vascular calcification was quantified using the Agatston method on non-contrast CT and applying individual Hounsfield Unit thresholds on CT-angiographies based on the radio density of the aortic lumen. The calcium scores and volumes from non-contrast CT scans and CT-angiographies were compared using linear regression and Bland-Altman plots.</p><p><strong>Results: </strong>Non-contrast CT revealed vascular calcification in the infrarenal aorta in 92% of KTCs and in the iliac arteries in 90% of KTCs. The calcium scores estimated from CT-angiography correlated linearly with the calcium scores based on non-contrast CT scans (infrarenal aorta: R² = 0.71, p < 0.0001; iliac arteries: R² = 0.71, p < 0.0001); however, the calcium scores were higher, and volumes were lower compared to the non-contrast CT scans. The median differences in calcium scores were 1517 [48 - 6138] for the infrarenal aorta, and 2361 [59 - 8644] for the iliac arteries.</p><p><strong>Conclusion: </strong>Vascular calcification is present in the majority of KTCs. Calcification of the infrarenal aorta and iliac arteries may be assessed using CT-angiography, though higher calcium scores and lower volumes are found compared to the non-contrast CT scan.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"39"},"PeriodicalIF":1.2,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12055728/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144039115","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}

{"title":"Endovascular treatment of a descending thoracic aorta aneurysm in a patient with right sided aortic arch: a case report.","authors":"Nefeli Ntinou, Panagiotis Petaloudis, Dimitra Tachmetzidi Papoutsi, Vasileios Panou, Myrto Papadopoulou, Dimitrios Tomais, Ioannis Kalogeropoulos, Theodoros Kratimenos","doi":"10.1186/s42155-025-00526-1","DOIUrl":"https://doi.org/10.1186/s42155-025-00526-1","url":null,"abstract":"<p><strong>Backround: </strong>Right-sided aortic arch is a rare congenital variant. The Edwards classification describes three types of right sided-aortic arch: right aortic arch with aberrant left subclavian artery, right aortic arch with mirror image branching, and right aortic arch with isolation of the left subclavian artery. Aneurysms associated with right sided aortic arch are rare. Pain is the commonest presenting symptom, but due to the anatomy of the right aortic arch, the symptoms may be atypical, as dysphagia. We present a case of a challenging endovascular repair in a patient with aneurysm of descending thoracic aorta and right aortic arch.</p><p><strong>Case presentation: </strong>Α 55 year old patient was admitted in our hospital with chest pain. After the initial clinical and laboratory workout that was negative for acute coronary syndrome, Computed Tomography Angiography revealed an aneurysm of the descending aorta 10,3 cm in width, and a right sided aortic arch (Edwards' classification). Endovascular repair was selected as the treatment option of choice. Technically the endografting was challenging, firstly because of the right sided aortic arch, secondly because the four aortic branches originate independently. In order to identify the orifices of arch vessels during the angiography, brachial access in both upper extremities was achieved. In this way, it was possible to correctly deploy the thoracic aortic stent graft. No endoleaks were observed in the final angiography. Postoperative Computed Tomography Angiography 10 months after the operation showed no endoleaks.</p><p><strong>Conclusion: </strong>This case indicates that TEVAR is feasible as a treatment option in patients with right-sided aortic arch, even though technically is challenging. However more evidence-based data are needed to certify long-term safety and efficacy of endovascular repair in treatment of thoracic aortic aneurysm associated with right-sided aortic arch.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"38"},"PeriodicalIF":1.2,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12050239/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143999002","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}

{"title":"Endovascular treatment of a ruptured portal vein pseudoaneurysm secondary to a large stomach ulcer.","authors":"John C DuBois, Aaron M Rohr, Ian T Kozlowski, Zachary S Collins","doi":"10.1186/s42155-025-00553-y","DOIUrl":"https://doi.org/10.1186/s42155-025-00553-y","url":null,"abstract":"<p><p>This case describes the endovascular treatment of a 55-year old female with a ruptured portal vein pseudoaneurysm secondary to a large stomach ulcer resulting in massive active hemorrhage into the adjacent stomach. This patient presented with persistent hypotension secondary to chronic GI blood loss and simultaneous septic shock. After an abrupt drop in blood pressure, the patient arrived in the angiography suite where the ruptured pseudoaneurysm was apparent on portal venogram. Emergent stent assisted coil embolization was performed to stabilize the patient and treat the portal vein pseudoaneurysm. To our knowledge, this case presents the only portal vein pseudoaneurysm secondary to a gastric ulcer.Level of Evidence Level 4, Case-report.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"37"},"PeriodicalIF":1.2,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12049341/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144025098","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}

{"title":"Real-world clinical experience with Obsidio Conformable Embolic.","authors":"Osman Ahmed, John Karageorgiou, Abhishek Kumar, Mikin Patel, Joshua Jones, Nariman Nezami","doi":"10.1186/s42155-025-00555-w","DOIUrl":"https://doi.org/10.1186/s42155-025-00555-w","url":null,"abstract":"<p><strong>Background: </strong>Obsidio Conformable Embolic (Obsidio) is a ready-made hydrogel with unique shear-thinning properties, used for occlusion of blood flow to control bleeding or hemorrhage in the peripheral vasculature and embolization of hypervascular tumors. While pre-clinical and clinical data have demonstrated successful embolizations using Obsidio, clinical experience overall is still limited, prompting a multi-institutional field assessment survey to collect additional data on the clinical utility and procedural details from a variety of Obsidio users. The field survey collected data from 131 embolization procedures performed using Obsidio between May and November 2023 at 27 institutions within the United States. Data collection included embolization site, vessel size, any adjunctive embolics used. The primary objective of the survey was to evaluate technical success, defined as complete embolization of the target vasculature immediately following the index procedure, as confirmed by angiography.</p><p><strong>Results: </strong>Of the 131 embolization procedures performed, 69% (n = 90) were for hemorrhage control, 15% (n = 19) were for hypervascular tumors, and 17% (n = 22) were for other indications. Embolization of the gastroduodenal artery was the most common indication (n = 19/131; 15%). A single syringe (1 mL) or less of Obsidio was used for most cases (93%). In 33/131 cases (25%), Obsidio was combined with other embolization devices including coils (n = 25; 19%), particle-based embolics (n = 6; 4.6%), or plugs (n = 2; 1.5%). Technical success was achieved in 100% of Obsidio embolization cases (131/131 procedures).</p><p><strong>Conclusion: </strong>Initial clinical experience demonstrated successful embolization of end-organ bleeds and hypervascular tumors utilizing Obsidio, thus making it an effective embolic agent alone or in conjunction with other embolic devices.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"36"},"PeriodicalIF":1.2,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12045848/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144057860","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}

{"title":"Managing an effective system for retrieving IVC filters: outcomes of a prospective patient database, 2012-2023.","authors":"Monica M Matsumoto, Ann Cun, Corinne DeSanto, Anna Paycardo, S William Stavropoulos, Scott O Trerotola","doi":"10.1186/s42155-025-00550-1","DOIUrl":"https://doi.org/10.1186/s42155-025-00550-1","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate retrievable inferior vena cava (IVC) filter outcomes with a prospectively maintained database and active patient management by interventional radiology (IR).</p><p><strong>Materials & methods: </strong>Patients with retrievable IVC filters placed by IR from 2012 to 2023 at a single, tertiary institution were tracked in a prospective registry, and follow-up was organized by a designated IR physician assistant. Patients were contacted after the filter was placed by IR and a clinic visit arranged; filter removal was scheduled when deemed appropriate. Retrospective review of filter outcomes, including retrieval, patient death, and need for permanent filtration, was performed.</p><p><strong>Results: </strong>Over the 12-year study period, 607 retrievable IVC filters were placed: 516 Denali, 63 Eclipse, 19 Günther Tulip, and 9 Celect Platinum. In total, 43% (260) were retrieved, 12% (75) were adjudicated to be permanent, and 42% (253) died with the filter in place. The remaining 3% (19) comprised patients alive with the filter not yet retrieved at study endpoint, 42% (8/19) of which were placed in 2023. Of this cohort, 8 still needed the filter and were being monitored to determine follow-up timing, 2 needed a follow-up appointment, and 9 were lost to follow-up due to repeated no-shows and/or inability to reach the patient despite multiple attempts. Overall, 1.5% (9/607) of all filters placed were not accounted for.</p><p><strong>Conclusion: </strong>This study demonstrates high accountability (98.5%) of retrievable IVC filters when using a prospective registry actively managed by an IR PA, providing an effective and feasible model for facilitating appropriate follow-up.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"35"},"PeriodicalIF":1.2,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12034602/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144064629","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}

{"title":"Unilateral embolization of an arterio-cavernous fistula in the treatment of post-traumatic non-ischemic-priapism: permanent coiling after immediate temporary agent failure.","authors":"Carolina Dominguez Aleixo, Christoph Erxleben, Emre Baysal, Fabiola Leibling, Maximilian de Bucourt, Bernhard Gebauer, Julian Lenk","doi":"10.1186/s42155-025-00547-w","DOIUrl":"https://doi.org/10.1186/s42155-025-00547-w","url":null,"abstract":"<p><p>A healthy 24-year-old male patient presented with a history of straddle-trauma from a bicycle accident and concomitant non-ischemic-priapism lasting for ten days. On a contrast-enhanced computed tomography scan an arterio-cavernous fistula establishing a connection between the right cavernosal artery and the ipsilateral corpus cavernosum was diagnosed. Super-selective unilateral arterial embolization was performed using gelatin sponge and microcoils. Technical success became evident with the consecutive detumescence of the penis and long-term preservation of baseline urogenital functions.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"34"},"PeriodicalIF":1.2,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12018654/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144060422","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}

{"title":"Micro-CT and histological assessment of renal arterial embolization with Glubran®2 cyanoacrylate: a medium-term follow-up study in a rabbit model.","authors":"Romaric Loffroy, Kévin Guillen, Olivier Chevallier, Mohamed Fouad, Emilie Couloumy, Anne Dencausse, Philippe Robert, Sarah Catoen, Anne-Virginie Salsac, Serge Ludwig Aho-Glele, Pierre-Olivier Comby","doi":"10.1186/s42155-025-00549-8","DOIUrl":"https://doi.org/10.1186/s42155-025-00549-8","url":null,"abstract":"<p><strong>Background: </strong>Cyanoacrylate glues are widely used in interventional radiology as effective embolic agents due to their rapid polymerization and ability to achieve vessel occlusion. Nonetheless, concern remains regarding cast stability and potential recanalization over time. This study used multiple modalities to evaluate the medium-term outcomes of Glubran®2 glue (methacryloxysulfolane and N butyl cyanoacrylate) embolisation in a rabbit renal-artery model.</p><p><strong>Methods: </strong>The left renal arteries of six rabbits were embolized with 12.5% or 25% Glubran®2. In-vivo micro-CT scans were performed immediately after embolisation (M0) and ex-vivo scans and a histological assessment were done at one month (M1). Magnetic resonance imaging (MRI) was done at M1 to assess arterial occlusion and parenchymal changes. Quantitative and semi-quantitative parameters reflecting glue distribution, cast integrity, and tissue response were analysed. Statistical comparisons used non-parametric tests.</p><p><strong>Results: </strong>All six embolisations were completed without complications. Micro-CT at M1 revealed significant cast resorption and fragmentation with both concentrations, but with no evidence of arterial recanalization. MRI and histology confirmed the persistent vascular occlusion with chronic ischemic changes in the renal parenchyma. Compensatory neovascularization from the renal capsule was observed, with no significant differences in histological inflammation between the two concentrations. Glue casts remained within the arterial lumens and were often surrounded by granulomatous inflammation.</p><p><strong>Conclusions: </strong>Glubran®2 was effective for renal artery embolisation, even at a low concentration of 12.5%: despite partial cast resorption, the arteries remained occluded. Micro-CT proved to be a powerful tool for assessing changes in glue casts. Longer-term studies are warranted to further assess vascular remodelling and occlusion durability.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"33"},"PeriodicalIF":1.2,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12014886/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144032127","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}

{"title":"Radiation protection: safety measures and knowledge among interventional radiologists- a UK-based analysis of current practices and recommendations for improvement.","authors":"Rayhan Y Gasiea, Andy Rogers, Raghuram Lakshminarayan, Mo Hamady, Bella Huasen","doi":"10.1186/s42155-025-00540-3","DOIUrl":"https://doi.org/10.1186/s42155-025-00540-3","url":null,"abstract":"","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"32"},"PeriodicalIF":1.2,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12014967/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144058153","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}

{"title":"Off label use of a 7Fr endo-biliary forceps system for endovascular inferior vena cava biopsy.","authors":"Stavros Grigoriadis, Stavros Spiliopoulos, Athanasios Korogiannos, Konstantinos Palialexis, Dimitrios Filippiadis, Nikolaos Kelekis","doi":"10.1186/s42155-025-00548-9","DOIUrl":"https://doi.org/10.1186/s42155-025-00548-9","url":null,"abstract":"<p><p>Endovascular inferior vena cava (IVC) mass biopsy emerges as a minimally invasive promising technique for the acquisition of tissue samples for histological analysis, crucial for determining the malignant or benign nature of the lesion and guiding subsequent treatment. This report details the first successful off label use of a low-profile 5.2Fr biliary forceps system, via a 7Fr sheath, for endovascular IVC biopsy in a 61-year-old male patient with a history of left nephrectomy due to Gravitz tumour presenting with IVC thrombosis at 5-years follow up, suspicious for recurrence.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"31"},"PeriodicalIF":1.2,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12011685/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143991791","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}

{"title":"Pulmonary arteriovenous fistula secondary to historic thoracic shrapnel injury: presenting features and interventional approach.","authors":"Kate Chiswell, Ahmed Al-Hindawi, Richard Dunn, Richard Waugh, Rachael Cordina","doi":"10.1186/s42155-024-00494-y","DOIUrl":"https://doi.org/10.1186/s42155-024-00494-y","url":null,"abstract":"<p><strong>Background: </strong>A chronic pulmonary arteriovenous fistula (PAVF) post penetrating thoracic injury is rare; this case demonstrates the presentation, diagnostic implications and a successful endovascular approach to close it.</p><p><strong>Case presentation: </strong>We report the case of a rare pulmonary arteriovenous fistula in a 50-year-old man secondary to historic thoracic shrapnel injury. He had a positive bubble study on echocardiography; CT pulmonary angiogram identified a pulmonary arteriovenous fistula. He underwent successful repair with an endovascular approach.</p><p><strong>Conclusion: </strong>PAVF can result from penetrating chest trauma. An intra-pulmonary shunt should be suspected in the setting of hypoxaemia refractory to oxygen therapy and when there is no evidence of an intra-cardiac shunt. Endovascular intervention can facilitate definitive treatment by employing a plug-in-stent technique.</p>","PeriodicalId":52351,"journal":{"name":"CVIR Endovascular","volume":"8 1","pages":"30"},"PeriodicalIF":1.2,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11996724/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144039143","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}