Results Among 73 patients with HHD, there were 82.7% with cardiac enlargement, but the majority of their left ventricular systolic func...

• 结论HHD可引起不同房室腔扩大,左房扩大最常见,右室扩大多于左室扩大;HHD常合并瓣膜反流,部分患者瓣膜增厚;肺动脉增宽和肺动脉高压是HHD的普遍现象。