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腹主动脉髂动脉钙化阻碍心脏介入治疗:血管内碎石术的一个实例

Aortoiliac calcification hindering cardiac interventions: A case for intravascular lithotripsy.

作者信息

Bharaj Inderjeet, Thwe Ei Ei, Padda Inderbir, Mann Ravi, Uppal Baljeet, Kirshner Merick

机构信息

Department of Internal Medicine, Abrazo Health Network, 18701 N 67th Ave, Glendale, AZ 85308, USA.

Department of Cardiology, Abrazo Arizona Heart Hospital, 1930 E Thomas Rd, Phoenix, AZ 85016, USA.

出版信息

Radiol Case Rep. 2025 Sep 16;20(12):6036-6041. doi: 10.1016/j.radcr.2025.08.054. eCollection 2025 Dec.

Abstract

Aortic calcification is associated with an increased risk of major adverse cardiovascular events, and while cases have been reported for its management, no expert consensus or guidelines currently exist. An 81-year-old male presented with recurrent falls and was diagnosed with severe symptomatic aortic stenosis (AS) and coronary artery disease (CAD) requiring high-risk percutaneous coronary intervention (PCI) and transcatheter aortic valve replacement (TAVR). Severe aortoiliac calcifications complicated clinical decision-making, posing a challenge to large-bore sheath placement. After heart-team review, shockwave intravascular lithotripsy (IVL) with bilateral 7×60 mm balloons was utilized to deliver sonic pressure waves at low inflation pressures to selectively fracture intimal and medial calcium. Improved vessel compliance facilitated Impella-assisted PCI and staged TAVR. This case demonstrates that IVL may be a viable option for aortic calcification when alternative approaches are limited. Its familiar balloon-based design and low-pressure inflation enhance its appeal. While procedural vascular risks do exist, they remain low and can be minimized with proper device sizing and technique.

摘要

主动脉钙化与主要不良心血管事件风险增加相关,虽然已有关于其治疗的病例报道,但目前尚无专家共识或指南。一名81岁男性因反复跌倒就诊,被诊断为严重症状性主动脉瓣狭窄(AS)和冠状动脉疾病(CAD),需要进行高风险经皮冠状动脉介入治疗(PCI)和经导管主动脉瓣置换术(TAVR)。严重的主动脉髂动脉钙化使临床决策复杂化,给大口径鞘管置入带来挑战。经过心脏团队评估,采用双侧7×60 mm球囊的冲击波血管内碎石术(IVL)在低充盈压力下传递声压波,以选择性地破碎内膜和中膜钙化。血管顺应性的改善有助于Impella辅助PCI和分期TAVR。该病例表明,当其他方法有限时,IVL可能是治疗主动脉钙化的可行选择。其熟悉的基于球囊的设计和低压力充盈增强了其吸引力。虽然确实存在程序性血管风险,但风险仍然较低,通过适当的器械尺寸选择和技术可将其降至最低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/061e/12476065/0f1ed6f605f1/gr1.jpg

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