CardioVascular and Interventional Radiology最新文献

{"title":"Cryoneedle Artifacts During MRI-Guided Cryoablation: Sources and Potential Mitigation Strategies.","authors":"Kevin J Treb, David A Woodrum, Scott M Thompson, Daniel A Adamo, Krzysztof R Gorny, Aiming Lu","doi":"10.1007/s00270-025-04021-x","DOIUrl":"https://doi.org/10.1007/s00270-025-04021-x","url":null,"abstract":"<p><strong>Purpose: </strong>Cryoneedle artifacts are frequently observed in MRI-guided cryoablations, and may obscure visualization of critical anatomy and compromise needle placement accuracy. This work experimentally investigated the contributing factors of these artifacts to identify effective mitigation strategies.</p><p><strong>Materials and methods: </strong>Ex vivo porcine tissue with inserted cryoneedles was imaged on a 1.5-Tesla MRI. Fast spin echo (FSE) and spoiled gradient echo (GRE) sequences with echo times from 1.04 to 60 ms and specific absorption rates (SARs) from 0.01 to 2.1 W/kg were used. During MRI, cryoneedle temperatures were monitored using fiber-optic sensors. Configurations with one to three cryoneedles oriented at 0-degree or 45-degree angles to the patient table were investigated. The body coil was used for transmit/receive, both with and without an additional receive-only surface loop coil. Artifact width and intensity were measured for analysis.</p><p><strong>Results: </strong>Cryoneedle artifact widths were unrelated to echo time for both FSE (p = 0.6) and GRE (p = 0.3) and were smaller in GRE than in FSE images (p << 0.05). Artifact widths correlated with cryoneedle temperature elevations (r² = 0.969, p << 0.05) but were not correlated with SAR (GRE: p = 0.3; FSE: p = 0.5). The artifact intensity with the cryoneedle oriented at 0 degrees increased with a greater number of cryoneedles in the tissue (p = 0.006), and when the surface loop coil was used (p = 0.008).</p><p><strong>Conclusion: </strong>Clinically observed cryoneedle artifacts compromising treatment efficacy can be indicative of tissue radiofrequency heating risk, and effectively mitigated by either using GRE-based sequences or adjusting coil/cryoneedle configurations.</p>","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intrasaccular Embolization of a Wide-Neck Bifurcation Aneurysm Using a Modified Amplatzer Vascular Plug II with Distal Coil Packing.","authors":"Satoru Nagatomi, Daigo Kanamori, Hiroshi Yamamoto","doi":"10.1007/s00270-025-04030-w","DOIUrl":"https://doi.org/10.1007/s00270-025-04030-w","url":null,"abstract":"","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143779232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Commentary on \"Interwoven Nitinol Stent Versus Laser-Cut-Type Nitinol Stent for Long Femoropopliteal Occlusive Disease: A Propensity-Matched Analysis\".","authors":"Shubham Kumar, Rachana Mehta, Ranjana Sah","doi":"10.1007/s00270-025-04028-4","DOIUrl":"https://doi.org/10.1007/s00270-025-04028-4","url":null,"abstract":"","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143779226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of Adrenal Vein Sampling Methods for Subtyping of Primary Aldosteronism: A Retrospective Observational Study.","authors":"Minfu Bai, Qiuping Zhao, Jiajia Dong, Xiaomo Yang, Xiaohui Wang, Chuanyu Gao","doi":"10.1007/s00270-025-04005-x","DOIUrl":"https://doi.org/10.1007/s00270-025-04005-x","url":null,"abstract":"<p><strong>Purpose: </strong>Although adrenal vein sampling (AVS) is the standard method for subtype diagnosis in patients with primary aldosteronism (PA), the methods used to sample the adrenal vein are not standardized. The aim of this study was to establish the optimal method for sampling the adrenal vein based on the pathological findings after surgery for PA.</p><p><strong>Methods: </strong>We enrolled 168 consecutive patients who were diagnosed to have PA and underwent AVS at our institution between 2019 and 2023. The impact of sampling by gentle negative pressure (GNP) on the accuracy of diagnosis of the PA subtype was compared with that of sampling by gravity, whereby blood flows out naturally.</p><p><strong>Results: </strong>AVS was performed successfully on both sides in 139 patients using the two sampling methods. Subtype diagnosis using the two sampling methods was concordant in 128 (92.1%) of the 139 patients and discordant in 11 (7.9%). Among the 11 patients with a discordant subtype diagnosis, unilateral adrenalectomy was performed in three with the right unilateral subtype by gravity and the bilateral subtype by GNP, one with the bilateral subtype by gravity and the right unilateral subtype by GNP, and one with the left unilateral subtype by gravity and the bilateral subtype by GNP. The pathological findings after surgery showed that the false-negative rate was 20% (1/5) with data obtained by the gravity method and 80% (4/5) with data obtained by the GNP method. Bilateral AVS took significantly longer when sampling was performed by the gravity method than when it was performed by GNP (p < 0.01).</p><p><strong>Conclusions: </strong>The gravity method may be preferable to GNP for AVS in patients with PA.</p>","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":""},"PeriodicalIF":2.8,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143771440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Delay of Recanalisation of Acutely Thrombosed Dialysis Arteriovenous Access Until the Next Workday has No Negative Impact on Clinical Outcome.","authors":"Konstantin Hellwig, Stefan Zicha, Christoph Kopp, Ulrich Rother, Nikolaos Papatheodorou, Michael Uder, Axel Schmid","doi":"10.1007/s00270-024-03897-5","DOIUrl":"10.1007/s00270-024-03897-5","url":null,"abstract":"<p><strong>Purpose: </strong>The necessity of providing endovascular recanalization of acutely thrombosed arteriovenous access (AV access) during weekend is questionable, since hemodialysis can alternatively be achieved by temporarily placed non-tunneled central venous catheters (CVC). Interventional therapy of acutely thrombosed AV access is provided only on weekdays in the study center. This study aimed to compare outcomes in patients admitted on weekdays and on the weekend.</p><p><strong>Methods: </strong>A total of 355 endovascular procedures for thrombosed AV access performed in a single tertiary center from 2007 to 2017 were retrospectively analyzed for technical and clinical success, complications, rate of CVC and length of hospitalization. Technical success was defined as adequate blood flow with less than 30% residual stenosis, clinical success was defined as at least one successful hemodialysis after recanalization. There were two groups: patients who had to wait at least 2 days for recanalization due to admission at the weekend (n = 59, at-the-weekend group, ATW group) and patients receiving therapy no later than the day after admission (n = 296, on a working day group, OAW group).</p><p><strong>Results: </strong>The technical/clinical success rate was 96.6%/88.1% in the ATW and 89.1%/84.6% in the OAW group (p > .05). Complications did not differ among groups (p > .05). Despite a higher rate of CVC, no attributed additional adverse events or complications were observed in the ATW group (p > .05).</p><p><strong>Conclusion: </strong>Despite a longer time until treatment and a higher rate of short-term CVC, it seems to be justified to provide recanalization of dialysis shunts only during weekdays.</p>","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":"450-457"},"PeriodicalIF":2.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11958369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"As Soon As Possible.","authors":"Panagiotis Kitrou, Dimitrios Karnabatidis","doi":"10.1007/s00270-025-04011-z","DOIUrl":"10.1007/s00270-025-04011-z","url":null,"abstract":"","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":"458-459"},"PeriodicalIF":2.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143656155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trans-arterial Embolization: A Novel Approach to Treat Refractory De Quervain's Tenosynovitis.","authors":"Raad Madkhali, Refaat Salman, Mohammad Altraifi, Israa Alsulami, Mohamed Al Moaiqel","doi":"10.1007/s00270-025-03995-y","DOIUrl":"10.1007/s00270-025-03995-y","url":null,"abstract":"","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":"575-577"},"PeriodicalIF":2.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143555954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative Analysis of Systemic Immune Responses and Metastatic Risks in Tumor Ablation: An Animal Study of Radiofrequency Ablation and Irreversible Electroporation with Immune Modulation.","authors":"Taiki Hirata, Katsutoshi Sugimoto, Ryoko Soya, Yoshinari Kikuchi, Yuki Kodama, Mayumi Ogawa, Koji Nagaoka, Kentaro Sakamaki, Takao Itoi, Kazuhiro Kakimi","doi":"10.1007/s00270-024-03938-z","DOIUrl":"10.1007/s00270-024-03938-z","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to compare systemic immune responses and metastatic effects induced by radiofrequency ablation (RFA) and irreversible electroporation (IRE) in murine tumor models. We assessed cytokine production, growth of treated and untreated metastatic tumors, and synergy with immune checkpoint inhibitors (ICIs).</p><p><strong>Materials and methods: </strong>Hep55.1c murine hepatoma cells were implanted in C57BL/6N mice to establish primary tumors. In Experiment 1 (n = 50), RFA or IRE was applied to primary tumors, followed by CD8⁺ T cell depletion in some groups to assess anti-tumor immune responses. Experiment 2 (n = 45) tested RFA and IRE combined with anti-PD-1 therapy for enhanced abscopal effects. In Experiment 3 (n = 28), anti-IL-6 antibody was administered in IRE-treated mice to examine IL-6's role in secondary tumor growth. Tumor volumes and cytokine/chemokine levels were monitored.</p><p><strong>Results: </strong>Both techniques induced significant CD8⁺ T cell-mediated anti-tumor responses, with abscopal effects observed in untreated secondary tumors. CD8⁺ T cell depletion abolished these effects, confirming their role in systemic tumor control. Anti-PD-1 therapy combination further suppressed secondary tumor growth. However, IRE uniquely elevated IL-6 and other inflammatory cytokines, unexpectedly accelerating secondary tumor growth. Administration of an anti-IL-6 antibody mitigated this effect, reducing secondary tumor progression.</p><p><strong>Conclusion: </strong>The results of this animal study indicate that both techniques promote systemic anti-tumor immunity, though IRE uniquely induces an inflammatory response that risks exacerbating micro-metastases through IL-6. Combining IRE with IL-6 blockade may offer a promising strategy for nonthermal tumor ablation therapies. Further studies are warranted to refine ablation-immune therapy combinations for optimal therapeutic outcomes.</p>","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":"524-535"},"PeriodicalIF":2.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142945274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Single Institution Experience with a Shear-Thinning Conformable Embolic for Endovascular Embolization.","authors":"Olivia Kola, Pratik Shukla, Humza Haque, Abhishek Kumar","doi":"10.1007/s00270-025-04012-y","DOIUrl":"10.1007/s00270-025-04012-y","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the safety and efficacy of Obsidio™ conformable embolic (CE) for embolization in the peripheral vasculature.</p><p><strong>Materials and methods: </strong>A retrospective review of the first 21 patients treated with CE was performed. Eighteen (85.7%) patients were male, and median age was 61.5 years (range, 12-89 years). Technical success was defined as stasis as assessed by a static contrast column for at least 5 heartbeats on post-embolization angiography. For procedures of peripheral vascular hemorrhage, clinical success was defined as hemorrhage resolution without reintervention within 30-day follow-up.</p><p><strong>Results: </strong>Indications for embolization were peripheral arterial hemorrhage (n = 13), preoperative tumor embolization (n = 4), preoperative embolization of renal cell carcinoma prior to cryoablation (n = 2), redistribution of flow prior to Yttrium-90 radioembolization to prevent nontarget radiation delivery (n = 1), and parastomal variceal embolization (n = 1). Embolization was performed via 2.4 or 2.8 French microcatheters flushed with saline prior to embolization. Most procedures (20/21) utilized < 1 cc of embolic, with the quantity used ranging between 0.1 and 1.4 cc. The amount of embolic injected was determined by the embolization endpoint, i.e., filling of the vessel intended for embolization. CE was used in combination with coils placed prior to CE in 4 procedures. Follow-up was a median of 57 days (range 0-244 days). Complete stasis was achieved in 100% (n = 21/21) of procedures. There were no post-procedure adverse events or rebleeding.</p><p><strong>Conclusion: </strong>CE resulted in reliable vessel occlusion with no cases of rebleeding or reintervention and with no procedure-related adverse events in this series.</p><p><strong>Level of evidence: </strong>Level 4, Case Series.</p>","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":"559-566"},"PeriodicalIF":2.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11958389/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143662580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Penile Collaterals During PAE; Perilous Headache with Safe Remedy.","authors":"Nassir Rostambeigi","doi":"10.1007/s00270-025-04010-0","DOIUrl":"10.1007/s00270-025-04010-0","url":null,"abstract":"","PeriodicalId":9591,"journal":{"name":"CardioVascular and Interventional Radiology","volume":" ","pages":"522-523"},"PeriodicalIF":2.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143647337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}