Many kind of senile disease and choric will easily outbreak and deteriorate at this time.

许多老年病，慢性病就容易在这一时候发作，恶化。

Objective To explore the effects of rhonchus on senile degenerated cardiac valvular disease (DCVD)and impairment features of valvular structure and function .

目的探讨鼾症对老年退行性心脏瓣膜病(DCVD)的影响和对心脏瓣膜结构和功能损害的特征。