通过非侵入性测试来确定左侧主要冠状动脉狭窄,以指导缺血性心脏病中的重血管化
Thomas H Wool1, Sarah C Ashley2, Vedant A Gupta1
1Department of Cardiovascular Medicine, University of Kentucky Medical Center, Lexington, Kentucky.
The American journal of cardiology
|August 13, 2023
概括
非侵入性测试无法在稳定的缺血性心脏病患者中可靠地确定严重的左主冠状动脉狭窄. 为了准确的诊断和治疗计划,需要进一步进行解剖评估.
科学领域:
- 心脏病学 心脏病学
- 诊断成像 诊断成像 诊断成像
- 干预心脏病学 干预心脏病学
背景情况:
- 严重的左主冠状动脉 (LMCA) 狭窄 (>50%) 是稳定性缺血性心脏病 (SIHD) 的关键条件.
- 早期复血管化的好处是选择LMCA狭窄的SIHD患者.
- 非侵入性检测旨在识别高风险患者,减少对侵入性手术的需要.
研究的目的:
- 评估非侵入性测试在识别具有解剖学严重LMCA狭窄症的患者中的有效性.
- 为了确定是否全面的非侵入性概况可以避免在SIHD中需要预先进行解剖评估.
主要方法:
- 806名SIHD患者的回顾性分析,这些患者正在接受再血管化治疗.
- 分类为LMCA狭窄症和非LM狭窄症组.
- 组间非侵入性检测结果 (心电图,心声图,功能检测) 的比较.
主要成果:
- 在LMCA和非LM队列之间的异常心电图,心声图或功能测试结果中没有显著差异.
- 在两组中,高风险成像发现率相似.
- 非侵入性测试未能可靠地区分患有和没有严重LMCA狭窄症的患者.
结论:
- 综合的非侵入性测试资料不足以确定或排除SIHD患者解剖学严重的LMCA狭窄症.
- 解剖学评估对于诊断严重的LMCA狭窄症至关重要.
- 目前的非侵入性策略没有充分分层SIHD患者的LMCA狭窄的风险.
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