Interventional Neuroradiology最新文献

{"title":"Endovascular treatment strategies for simultaneous bilateral anterior circulation occlusions in acute ischemic stroke: A single-center experience and systematic review of the literature.","authors":"Gianmarco Bernava, Paul Botti, Andrea Rosi, Jeremy Hofmeister, Hasan Yilmaz, Emmanuel Carrera, Olivier Brina, Philippe Reymond, Michel Muster, Zsolt Kulcsar, Karl-Olof Lovblad, Paolo Machi","doi":"10.1177/15910199231171806","DOIUrl":"10.1177/15910199231171806","url":null,"abstract":"<p><p>BackgroundBilateral and simultaneous occlusion of the anterior circulation is a rare event in patients with acute ischemic stroke. Although endovascular treatment is feasible and safe, the endovascular strategy to be used remains a subject of debate.ObjectiveTo assess the different endovascular strategies proposed for the treatment of a bilateral, simultaneous anterior circulation occlusion following acute ischemic stroke.MethodsWe present a retrospective study of the clinical and radiological records of all patients with a bilateral, simultaneous anterior circulation occlusion treated at our center between January 2019 and December 2022. Following the PRISMA guidelines, we also conducted a systematic review of the literature.ResultsTwo patients with a bilateral and simultaneous middle cerebral artery occlusion were treated at our center during the study period. A TICI score ≥2b was obtained in 4 out of 4 occlusions. Modified Rankin Scale (mRS) at 90 days was 0 and 4, respectively. The literature review retrieved reports on 22 patients. The most frequent bilateral occlusion sites were internal carotid artery-middle cerebral artery. The clinical presentation was severe in most patients. A combined thrombectomy technique proved to have the highest number of first-pass recanalization. A TICI ≥2b was obtained in 95% of patients and an mRS ≤2 was found in 31.8% of patients.ConclusionsIn patients with bilateral and simultaneous occlusion of the anterior circulation, endovascular treatment using a combined technique appears to be rapid and effective. The clinical evolution of this patient population strongly depends on the severity of the onset symptoms.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"697-704"},"PeriodicalIF":2.1,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12475352/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9752797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of mechanical thrombectomy with Tigertriever versus Solitaire X stent retriever in real-world practice: A matched-pair retrospective analysis.","authors":"Dang Luu Vu, Van Hoang Nguyen, Huu An Nguyen, Quang Anh Nguyen, Anh Tuan Tran, Hoang Kien Le, Tat Thien Nguyen, Cuong Tran, Hoang Khoe Le, Duc Ngoc Tu, Quang Huy Ta, Duc Thanh Nguyen, Chi Cong Le, Laurent Pierot","doi":"10.1177/15910199251380920","DOIUrl":"10.1177/15910199251380920","url":null,"abstract":"<p><p>BackgroundThe Tigertriever (Rapid Medical, Israel) is the first manually expandable stent retriever, designed to enhance clot engagement and vessel wall apposition. Despite increasing use, comparative data with the widely adopted Solitaire X device (Medtronic, USA) are limited. This study aimed to compare the safety and efficacy of Tigertriever versus Solitaire in mechanical thrombectomy (MT) for acute ischemic stroke due to large vessel occlusion.MethodsWe retrospectively analyzed 346 MT procedures (May 2019-September 2024). Patients treated with Tigertriever or Solitaire X (with/without aspiration) were matched 1:1 using a nearest-neighbor approach based on age, National Institutes of Health Stroke Scale, Alberta Stroke Program Early CT Score, and occlusion site. Outcomes included procedural safety (complications, hemorrhage, mortality) and efficacy (number of passes, time to reperfusion, final modified treatment in cerebral infarction, and 3-month modified Rankin Scale) were compared, with propensity score adjustment applied in the analyses.ResultsIn total, 268 matched patients (134 per group) were included. Baseline characteristics were balanced, except that Tigertriever patients had longer onset-to-puncture times and more cardioembolic strokes. The Solitaire X group demonstrated a significantly higher first-pass recanalization rate (<i>p</i> = 0.03; adjusted odds ratio (OR) = 1.82, 95% confidence interval (CI): 1.02-3.23, <i>p</i> = 0.04) and required fewer device passes to achieve successful reperfusion (<i>p</i> < 0.001; adjusted OR = 0.19, 95% CI: 0.06-0.56, <i>p</i> = 0.002). In atherosclerotic occlusions, Tigertriever tended to have higher reperfusion and first-pass success rates and better 3-month outcomes. Overall, 90-day functional outcomes did not differ significantly.ConclusionsTigertriever and Solitaire demonstrated comparable 3-month functional outcomes, though procedural profiles and subgroup advantages differed. Further randomized trials are warranted.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251380920"},"PeriodicalIF":2.1,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12460321/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145130850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Literature review and DELPHI consensus on follow-up and retreatment of intracranial aneurysms with intrasaccular devices.","authors":"Alexander Stebner, Petra Cimflova, Salome L Bosshart, Marie-Sophie Schüngel, Satoru Fujiwara, Genevieve Milot, David Volders, Kazutaka Uchida, Christine Hawkes, Manuel Moreu, Isabel Fragata, Alexandra Paul, Umberto Pensato, Christian Ulfert, Donald Frei, Pervinder Bhogal, Joanna Schaafsma, Sandor Nardai, Syed Zaidi, Mohammed Almekhlafi, Shahid Nimjee, Pascal Mosimann, James Kennedy, Jeremy Rempel, Violiza Inoa, Shinichi Yoshimura, Marc Ribo, Demetrius Lopes, John Wong, Johanna Ospel","doi":"10.1177/15910199251380361","DOIUrl":"10.1177/15910199251380361","url":null,"abstract":"<p><p>BackgroundIntracranial aneurysms are increasingly detected incidentally due to broader use of neuroimaging. Intrasaccular devices are frequently used to prevent rupture, yet standardized follow-up and retreatment strategies remain undefined. We performed a scoping literature review and DELPHI consensus to gauge current practice patterns and expert opinions on managing intracranial aneurysms that were previously treated with intrasaccular devices.MethodsA DELPHI consensus was conducted during an invite-only meeting of international neurointerventional experts. The process was informed by a scoping literature review and included three iterative rounds of structured questionnaires to establish consensus on follow-up imaging timing, modality, and retreatment decision-making.ResultsTwenty-four experts participated. The literature review identified 16 key studies, which were presented to the panel. For completely occluded aneurysms, MRA at 6 months was preferred by 58% of participants, with annual imaging favored thereafter. For incompletely occluded aneurysms, 6-month DSA followed by annual imaging was recommended. No consensus was reached on the imaging modality for annual follow-up. Retreatment decisions were primarily driven by aneurysm growth (>2 mm). Endovascular retreatment was preferred over open surgery, with risks such as ischemia and rupture identified as key concerns.ConclusionThis DELPHI consensus highlights current practice trends and open questions in the follow-up and retreatment of aneurysms treated with intrasaccular devices.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251380361"},"PeriodicalIF":2.1,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12460278/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145130155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Distal versus proximal guide catheter placement on the safety and efficacy of mechanical thrombectomy for acute ischemic stroke in anterior circulation: A systematic review and meta-analysis.","authors":"Trey Seymour, Sherief Ghozy, Seyed Behnam Jazayeri, Dina Ramadan, Nicholas Kendall, Abdelrahman Hamouda, Ali Ahmadzade, Julien Ognard, Alireza Hasanzadeh, Luke Olson, Mobina Motaghian Fard, Ramanathan Kadirvel, David F Kallmes","doi":"10.1177/15910199251380408","DOIUrl":"10.1177/15910199251380408","url":null,"abstract":"<p><p>BackgroundGuide catheter (GC) placement, whether distal or proximal, may influence the efficacy and safety of mechanical thrombectomy (MT) for acute ischemic stroke (AIS) due to large vessel occlusion (LVO). However, definitions of placement and procedural strategies vary across studies, limiting clarity.MethodsWe systematically searched PubMed, Embase, Scopus, and Web of Science from inception to September 1, 2024. Comparative studies of adult patients with anterior circulation AIS-LVO undergoing MT that reported GC placement were included. Both balloon GCs (BGCs) and non-BGCs were eligible. Data were pooled using random-effects models in R. Outcomes included functional independence (modified Rankin Scale 0-2 at 90 days), successful reperfusion (modified thrombolysis in cerebral infarction ≥2b or expanded thrombolysis in cerebral infarction ≥2c), first-pass recanalization (FPR), mortality, puncture-to-recanalization (PTR) time, and complications. Subgroup analyses were performed by thrombectomy technique and catheter type.ResultsSeven retrospective studies comprising 2148 patients (1042 proximal, 1106 distal) were analyzed. Distal placement was associated with higher rates of functional independence (risk ratio (RR): 1.25, 95% confidence interval (CI): 1.10-1.42), successful reperfusion (RR: 1.13, 95% CI: 1.04-1.22), and FPR (RR: 1.35, 95% CI: 1.15-1.58), as well as lower 90-day mortality (RR: 0.52, 95% CI: 0.28-0.82). PTR time was shorter with distal placement (mean difference: -7.7 min, 95% CI: -10.8 to -4.6). No significant differences were observed for symptomatic intracranial hemorrhage (RR: 0.96, 95% CI: 0.55-1.65) or emboli to new territory (RR: 0.84, 95% CI: 0.28-2.52). Benefits were consistent across both BGCs and non-BGCs. Heterogeneity existed in outcome definitions and techniques, and publication bias could not be excluded.ConclusionsDistal GC placement is associated with improved reperfusion, efficiency, and functional outcomes in MT for anterior circulation AIS-LVO, without increased complications. Given the retrospective nature of included studies, anatomic confounding, and inconsistent outcome definitions, findings should be considered preliminary. Multicenter trials are needed to confirm whether catheter position independently predicts MT outcomes.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251380408"},"PeriodicalIF":2.1,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12460279/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145130785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An evidence-based pulsatile tinnitus clinical workflow: A systematic review of literature.","authors":"João Victor Sanders, Kiffon Keigher, Marion Oliver, Demetrius Lopes, Krishna Joshi","doi":"10.1177/15910199251380393","DOIUrl":"10.1177/15910199251380393","url":null,"abstract":"<p><p>IntroductionEndovascular management options for pulsatile tinnitus (PT) patients have increased in recent years with promising results. However, standardized endovascular team referral criteria remain limited. We conducted a systematic review and suggested an evidence-based referral protocol for PT patients to the neuroendovascular team.MethodsA literature review was conducted in February 2025 using the PubMed/MEDLINE database. We included English-written studies published in the last 5 years, focusing on PT diagnosis and management. Exclusion criteria included: (1) in vitro or animal studies, (2) studies focused on open surgery approaches, (3) studies addressing only non-PT, and (4) case reports, case series (3-10 cases), commentaries, letters to the editor, editorials, and book chapters.ResultsOur initial search retrieved 257 papers. Of these, 219 were excluded after reading the title and abstract, and an additional 12 were excluded after full-text review. A total of 26 papers were eligible for inclusion in this review and in developing our protocol. After PT diagnosis and imaging, our protocol consists of the following three questions: (1) Is non-invasive imaging suspicious for a dural arteriovenous fistula, high-risk vascular lesions, or idiopathic intracranial hypertension? (2) Despite normal neuroimaging, is there clinical suspicion of a high-risk vascular lesion? (3) Although a low-risk lesion is diagnosed, is PT debilitating? If there is a \"yes\" to any of these questions, referral to the endovascular team is recommended.ConclusionWe suggested an evidence-based referral protocol for PT patients to the neuroendovascular team.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251380393"},"PeriodicalIF":2.1,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12460272/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145130855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transvenous curative embolization of brain arteriovenous malformations using extra-low viscosity _ihtObtura versions: Initial experience and technical insights.","authors":"Juan Carlos Llibre-Guerra, Miguel Castaño Blázquez, Leopoldo Guimaraens, José Manuel Pumar, Pascal J Mosimann, Alberto Gil-García","doi":"10.1177/15910199251375532","DOIUrl":"10.1177/15910199251375532","url":null,"abstract":"<p><p>Background and purposeThis study presents our initial experience using _ihtObtura, a novel nonadhesive liquid embolic agent with extra-low viscosity variants, in transvenous curative embolization of brain arteriovenous malformations (bAVMs). We assess the agent's performance and compare its advantages with other extra-low viscosity options currently available.Materials and methodsFive patients (three females, two males; mean age, 33 years; range, 20-55 years) with ruptured bAVMs were treated using the transvenous retrograde pressure cooker technique (TVRPCT). Three patients underwent staged embolization for large bAVMs, with the final session performed using TVRPCT, while two patients with smaller bAVMs were treated in a single session.ResultsComplete obliteration was achieved in 100% of patients. The mean volume of _ihtObtura used per transvenous session was 7.9 mL (range, 2-14 mL) ± 4.8. A combination of _ihtObtura 15 and _ihtObtura 12 was used in three cases, while _ihtObtura 15 alone was used in two cases. Complete angiographic occlusion was sustained at six and 24 months follow-up. Clinical outcomes improved in three patients and remained unchanged in two (mRS = 0).ConclusionsThe TVRPCT with extra-low viscosity _ihtObtura appears to be as safe and effective as other extra-low viscosity nonadhesive liquid embolic agents for curative treatment of bAVMs. The penetration, diffusion, and distribution of _ihtObtura through the transvenous route were optimal, with no observed vascular rupture or extravasation.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251375532"},"PeriodicalIF":2.1,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12417439/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145015332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Immediate perioperative safety and resource utilization of stand-alone middle meningeal artery embolization and stand-alone surgical evacuation for chronic subdural hematoma.","authors":"Avi A Gajjar, Drew Johnson, Baradwaj Simha Sankar, Dev Dwivedi, Nathan Ramachandran, Alana McNulty, Hayden E Greene, Gavril Rosoklija, Alexandra R Paul","doi":"10.1177/15910199251375542","DOIUrl":"10.1177/15910199251375542","url":null,"abstract":"<p><p>ObjectiveRandomized trials will ultimately determine whether stand-alone middle meningeal artery embolization (MMAE) is effective in preventing the recurrence of chronic subdural hematoma (cSDH). We therefore characterized in-hospital complications, length of stay, and discharge disposition among adults undergoing stand-alone MMAE for non-traumatic cSDH in the United States.MethodsWe conducted a retrospective cohort analysis using the National Inpatient Sample (2016-2022) to identify adult patients (≥18 years) with a primary diagnosis of nontraumatic cSDH. Primary outcomes included inpatient complications, non-home discharge (NHD), and extended length of stay (eLOS). 1:5 Propensity score matching (PSM) and multivariable regression were adjusted for baseline differences, including demographics, frailty (mFI-5), illness severity (APR-DRG subclass), and comorbidities. Presenting symptomatology (encephalopathy, gait instability, weakness, headache, etc.) was incorporated into both matching and regression models.ResultsOf 65,340 patients, 3390 (5.2%) underwent MMAE and 61,950 (94.8%) underwent surgery. After PSM, 1740 MMAE and 6525 surgical patients were analyzed. Following adjustment for demographics, frailty, illness severity, comorbidities, and presenting symptoms, standalone surgery remained significantly associated with increased inpatient morbidity and resource utilization. Compared to MMAE, surgery carried 1.8x the odds of any complication (<i>P</i> < .0001), 3.1x the odds of non-home discharge (<i>P</i> < .0001), and 2.2 times the odds of extended length of stay (<i>P</i> < .0001). There were no significant differences in in-hospital mortality (<i>P</i> = .991) or cost outlier status (<i>P</i> = .558).ConclusionsIn this nationally representative sample (unmatched and matched cohorts), stand-alone MMAE demonstrated a 3-4% inpatient mortality and a 20% overall complication rate.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251375542"},"PeriodicalIF":2.1,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12417450/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145015404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel approach to nickel allergy in neurointerventional surgery: Peripheral arterial stent testing protocol to guide the choice of cerebral aneurysm treatment.","authors":"Saad Aamir, Gilbert Gravino, Nasr Abdelsalam, Arun Chandran","doi":"10.1177/15910199251372502","DOIUrl":"10.1177/15910199251372502","url":null,"abstract":"<p><p>ObjectiveThis study aims to determine the outcomes of nickel allergic patients who underwent a trial of forearm arterial stenting with a nickel-based stent, with follow-up to assess for an allergic reaction. In the absence of adverse effects, patients had their intracranial aneurysm treatment with a nickel-based cerebrovascular device.MethodsA retrospective analysis was performed on patients who had an allergy to nickel, with an intracranial aneurysm who underwent treatment with a permanently implanted nickel-containing device. Nickel allergy was established by clinical history and dedicated patch testing. Outcomes such as in-stent thrombosis or any intracranial complications were recorded.ResultsOver a 10-year period, there were 18 patients who had a peripheral stent without development of in-stent stenosis, thrombosis or occlusion. One patient developed a cutaneous allergic reaction to the peripheral stent and their intracranial procedure was with a nitinol-free device.Of 17 patients who underwent intracranial treatment with a nitinol device, there was one patient who developed a postoperative complication of fish-mouthing of the device which has been reported in patients with a nickel contact allergy, but further studies are warranted to establish a causative relationship. Another patient omitted prescribed antiplatelet medication and occluded their stent. The remaining fifteen patients developed no complications with aneurysm occlusion on imaging.ConclusionPatients with a nickel allergy who would be eligible for endovascular treatment could benefit from trial peripheral arterial stenting. This provides an alternative approach to avoid unnecessarily eliminating endovascular treatment options with nickel-containing devices from which these patients may potentially still benefit.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251372502"},"PeriodicalIF":2.1,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12417446/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145015316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How to use the nautilus intrasaccular system.","authors":"Jeremy Lynch, Francisco José Arruda Mont'Alverne, J Mocco, Joe Leyon, Mohd Shariq, Shrikant Londhe, Krishna Bellam-Premnath, Martin Lewis, Sara Sciacca, Tufail Patankar","doi":"10.1177/15910199251376451","DOIUrl":"https://doi.org/10.1177/15910199251376451","url":null,"abstract":"<p><p>The Nautilus intrasaccular system (EndoStream Medical, Israel) is a spiral-shaped neck-bridging endovascular device designed to support coiling of intracranial aneurysms [1-3]. It is deployed into the aneurysm sac through a 0.0165\" or 0.017\" microcatheter. Coils are delivered via a second microcatheter passed through the struts of the device. The system is available in 4-7-mm sizes and is entirely radio-opaque. It is mechanically detached and fully resheathable. Constructed from a nitinol wire with a platinum-based coil sleeve, it lacks a proximal marker. It has the lowest profile of current intrasaccular devices but a limited size range. Antiplatelet therapy is not mandatory. Limited published series and post-market data suggest high occlusion rates with low complication rates. The device may be particularly suitable for ruptured wide-necked aneurysms. This technical video discusses the device with the aid of two illustrative cases.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251376451"},"PeriodicalIF":2.1,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145015370","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":"Angiography-like neurovascular training without radiation utilizing optical cameras and virtual roadmap imaging.","authors":"Stefan Klebingat, Roland Schwab, Stefanie Feierabend, Franka Stolze, Daniel Behme","doi":"10.1177/15910199251375533","DOIUrl":"10.1177/15910199251375533","url":null,"abstract":"<p><p>BackgroundAt present, nonvirtual neurovascular training can be performed using either an angiographic suite under fluoroscopic guidance (entailing radiation exposure) or direct optical visualization with a camera-based system. The angiographic approach offers high-fidelity visualization and catheter control but is constrained by the limited availability of such specialized facilities, whereas the camera-based approach can be implemented virtually anywhere yet lacks comparable realism in key procedural aspects. The objective of this work is to develop and evaluate a novel camera-based angiography training system (CBATS) that generates artificial angiograms and roadmaps, thereby combining the advantages of both imaging techniques while eliminating radiation exposure.MethodsThree distinct aneurysm models were integrated into a novel neurointerventional training platform, which was evaluated by neurointerventionalists across three training imaging modalities (conventional digital subtraction angiography [DSA], camera-only visualization, and CBATS) to simulate general endovascular procedures. Following the training sessions, a questionnaire-based evaluation was conducted to compare the performances of the camera-only and CBATS approaches with the conventional DSA, which served as the gold standard.ResultsNinety percent of the raters agree that the visual realism of our CBATS training system is comparable to real angiography and offers a significant advantage over the camera-only variant. The absence of radiation, in particular, was rated as a major advantage by 89.3% of the raters.ConclusionsIn summary, our angiography-like training system is considered comparable to a real angiography system in terms of realism for the training scenarios addressed. However, it offers the advantage of being radiation-free and can be set up in almost any location.</p>","PeriodicalId":14380,"journal":{"name":"Interventional Neuroradiology","volume":" ","pages":"15910199251375533"},"PeriodicalIF":2.1,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12417467/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145015361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}