如何处理 "无法膨胀 "的冠状动脉支架?治疗 "无法膨胀 "的冠状动脉支架。

IF 2 3区 数学 Q1 MATHEMATICS
Demonstratio Mathematica Pub Date : 2022-03-01 Epub Date: 2022-03-15 DOI:10.4244/AIJ-E-22-00002
Fernando Alfonso, J J Coughlan, Adnan Kastrati
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引用次数: 0

摘要

冠状动脉钙化仍然是导致支架扩张不足的主要原因。严重的支架扩张不足是支架失效的主要潜在原因,包括支架血栓形成和支架再狭窄(ISR)1。尽管人们提倡充分的病变准备,特别是在严重钙化的血管中,以防止这些并发症的发生,但在常规临床实践中,支架扩张不足仍然经常出现,特别是在没有冠状动脉内成像指导的情况下。在非常高的压力下使用不顺应的球囊进行积极的后扩张可以解决这个问题,但不幸的是,这种后验解决方案并不总是成功的。治疗对高压扩张无反应的严重扩张不足的支架仍然是一个罕见但艰巨的技术挑战,治疗方案非常有限。旋转动脉粥样硬化切除术(支架消融)已被报道,在选定的病例中取得了成功的结果2。然而,应该记住,这种独特的积极策略并非没有主要并发症(包括毛刺夹持,支架破裂,血管穿孔),并且很有可能发表偏倚阻碍了对这种激烈手术相关风险的全面评估。最近,血管内碎石术(IVL)已被证明是治疗钙化病变安全有效的方法。尽管这方面的信息仍处于初步阶段,但也有人提出这种新颖且用户友好的技术在治疗支架未充分扩张引起的ISR方面的价值。在某些情况下,超高压气球(允许高达40-50大气压)也可能有价值。准分子激光冠状动脉成形术(ELCA)通常被认为能够治疗无法扩张的病变,来自临床实践和观察性研究的相对大量的证据表明,它对治疗扩张不足的支架有价值。然而,不可扩张支架的最佳治疗方式在很大程度上仍未确定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
How should we treat "undilatable" coronary stents?: Treating "undilatable" coronary stents.
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来源期刊
CiteScore
2.40
自引率
5.00%
发文量
37
审稿时长
35 weeks
期刊介绍: Demonstratio Mathematica publishes original and significant research on topics related to functional analysis and approximation theory. Please note that submissions related to other areas of mathematical research will no longer be accepted by the journal. The potential topics include (but are not limited to): -Approximation theory and iteration methods- Fixed point theory and methods of computing fixed points- Functional, ordinary and partial differential equations- Nonsmooth analysis, variational analysis and convex analysis- Optimization theory, variational inequalities and complementarity problems- For more detailed list of the potential topics please refer to Instruction for Authors. The journal considers submissions of different types of articles. "Research Articles" are focused on fundamental theoretical aspects, as well as on significant applications in science, engineering etc. “Rapid Communications” are intended to present information of exceptional novelty and exciting results of significant interest to the readers. “Review articles” and “Commentaries”, which present the existing literature on the specific topic from new perspectives, are welcome as well.
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