There is a positive correlation between cardiac autonomic nervous system impairment in patients with CRF and renal function levels.
慢性肾功能衰竭患者心脏自主神经系统损害与肾功能水平呈正相关；
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。
Conclusions Microvascular angina is a group of syndromes without underlying cause, generally having quite good prognosis and no impairment to the cardiac function.
结论微血管性心绞痛是无基本病因的一组综合征，一般预后良好，对心功能无损害。
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