左心室异常畸形的超声诊断标准及临床意义。

Klinichna khirurgiia Pub Date : 2016-08-01
A S Matvashchuk, M V Kostvivev
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引用次数: 0

摘要

本文对45例缺血性心脏病患者行心肌血运重建术,探讨左心室心肌畸形(MD)异常形态的临床意义。还有31名志愿者接受了检查。根据其作用机制,将左室收缩后心肌构建(PMC)分为:无影响时PMC-0,心肌缺血时PMC-1,收缩性丧失时PMC-2a,弹性丧失时PMC-2b。有描述的PMC,由于压力过载,自由左室壁激活延迟,起源不明的心肌收缩和收缩内延迟而发生。缺血性心脏病的PMC-1仅在左室受影响的节段中显示,PMC-2仅在左室动脉瘤存在时显示。PMC-1的出现是判断心肌功能恢复的一个标准。PMC-2严重程度降低,患者临床状态得到改善。起源不明的收缩延迟可能不被认为是左室心肌状态的一个标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
[[Criteria and clinical significance of echographic patterns of the left ventriculus anomalous deformity].]

With the aim of the clinical significance studying of the abnormal myocardial deforma- tion (MD) patterns in left ventricle (LV) there were examined 45 patients, in whom oper- ative myocardial revascularization was performed for an ischemic heart disease. Also 31 volunteers were examined. Postsystolic myocardial contruction (PMC) of the LV, depending on its mechanism, was classified: in absence of the affection - PMC-0, in presence of myocardial ischemia - PMC-1, in loss of contractility - PMC-2a, in loss of elasticity - PMC-2b. There were depicted PMC, occurring due to overloading by pressure, delay in a free LV wall activation, protosystolic and intrasystolic delay of myocardial contruction of obscure origin. PMC-1 in the ischemic heart disease was revealed in the LV segments affected only, PMC-2 - in presence of LV aneurysm only. Appearance of PMC-1 constitutes a criterion of the myocardial function restoration. The PMC-2 severity lowering had witnessed improvement of the patients clinical state. The contraction delay of obscure origin may not be considered a criterion of the LV myocardium state.

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