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三尖瓣下移畸形(Ebsteins Anomaly)是先天性心脏病中比较少见的一种类型。大多数病人有过长的瓣膜组织,连接于右心室乳头肌或室间隔右侧等不同深度。最常见的是三尖瓣后叶向下移位,位于右心室腔的下方,致使部份右心室肌成为解剖上的右心房的一部份,即所谓右心室“房化”。由于畸形程度有差异,临床症状轻重不一,易误诊。本文报告二例经心血管造影证实的三尖瓣下移畸形,并就诊断要点作简要讨论。
Ebsteins Anomaly is a relatively rare type of congenital heart disease. Most patients have long valve tissue, connected to the right ventricle papillary muscle or ventricular septal right and other different depths. The most common is the posterior tibial dislocation downward, located below the right ventricular cavity, resulting in part of the right ventricular myocardium as part of the anatomy of the right atrium, the so-called right ventricular “atrialization.” Due to differences in the degree of deformity, clinical symptoms vary, easily misdiagnosed. This article reports two cases of tricuspid regurgitation confirmed by cardiovascular angiography, and briefly discusses the main points of diagnosis.