心室壁瘤或称心室壁膨胀瘤,是心肌梗死的后遗症之一,其发生是梗死区愈合过程中心肌由结缔组织所替代,变成无收缩力的薄弱纤维瘢痕区,不能如正常心肌那样承受心腔内的压力。经过数月至数年后,终于不胜负担向外呈囊状膨出而形成心室壁膨胀瘤(慢性)。多见于大面积的心肌梗死。
外科治疗左心室壁瘤可以有效保护心肌,改善病人预后。
The surgical treatment of the left ventricular aneurysm can effectively protect the myocardium, and improve the patients prognosis.
心脏横截面,箭头所指心室壁瘤,位于非常薄的室壁上。
A cross section through the heart reveals a ventricular aneurysm with a very thin wall at the arrow. Note how the aneurysm bulges out.
大体发现包括心室增大和增厚(100%)、附壁血栓(54%)、心外膜斑块(42%)和左心室壁瘤(36%)。
Gross findings included enlarged and dilated ventricles (100% of cases), mural thrombi (54%), epicardial plaques (42%), and left ventricular aneurysm (36%).
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