Triple coaxial microcatheter for preoperative transcatheter arterial embolization in bone and soft tissue tumors.

IF 1.1 4区 医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Yosuke Nozawa, Ayako Fujimori, Takao Igarashi, Akito Sano, Itsuo Watanabe, Ukei Anazawa, Masashi Okamura
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引用次数: 0

Abstract

Background: Preoperative transcatheter arterial embolization (P-TAE) is a procedure designed to reduce intraoperative blood loss (IBL) and support the performance of surgery for bone and soft tissue tumors (BSTT).

Purpose: To develop a new P-TAE technique using a triaxial microcatheter system (TMCS) that maintains normal tissue circulation while embolizing only the feeding artery of BSTT and to investigate the safety and efficacy of P-TAE with TMCS.

Material and methods: A total of 34 cases of BSTT in the whole body (25 men, nine women; mean age = 74.85 ± 11.32 years) were included between 1 April 2014 and 30 June 2024. We evaluated technical and clinical outcomes, P-TAE techniques, complications, and patient characteristics.

Results: Bone metastasis of renal cell carcinoma (n = 11) was the most frequent diagnosis. P-TAEs using TMCS were performed with technical success (97.05%) and clinical success (88.23%), demonstrating a high selectivity rate to the feeding artery of 97.14%. The mean IBL was 792.70 ± 1285.61 mL (median = 370 mL; range = 50-6935 mL). All surgeries were performed successfully after P-TAE.

Conclusion: P-TAE plays an important role in the presurgical operation of BSTT. The use of TMCS offers high selectivity, trackability, and crossability in the P-TAE procedure, enhancing the clinical efficacy of P-TAE.

三同轴微导管在骨及软组织肿瘤术前动脉栓塞中的应用。
背景:术前经导管动脉栓塞(P-TAE)是一种旨在减少术中出血量(IBL)和支持骨和软组织肿瘤(BSTT)手术效果的方法。目的:研究三轴微导管系统(TMCS)在维持正常组织循环的同时仅栓塞BSTT供血动脉的新型P-TAE技术,并探讨TMCS联合P-TAE的安全性和有效性。材料与方法:34例全身BSTT(男25例,女9例;平均年龄= 74.85±11.32岁),于2014年4月1日至2024年6月30日纳入。我们评估了技术和临床结果、P-TAE技术、并发症和患者特征。结果:肾细胞癌以骨转移为主(11例)。使用TMCS进行P-TAEs的技术成功率为97.05%,临床成功率为88.23%,对供血动脉的选择性为97.14%。平均IBL为792.70±1285.61 mL(中位= 370 mL;范围= 50-6935 mL)。P-TAE术后所有手术均成功。结论:P-TAE在BSTT手术中起重要作用。TMCS在P-TAE手术中具有高选择性、可追踪性和可交叉性,提高了P-TAE的临床疗效。
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来源期刊
Acta radiologica
Acta radiologica 医学-核医学
CiteScore
2.70
自引率
0.00%
发文量
170
审稿时长
3-8 weeks
期刊介绍: Acta Radiologica publishes articles on all aspects of radiology, from clinical radiology to experimental work. It is known for articles based on experimental work and contrast media research, giving priority to scientific original papers. The distinguished international editorial board also invite review articles, short communications and technical and instrumental notes.
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