Abstract: ObjectiveTo discuss the  risk factors of the survival time for the elderly maintenance hemodialysis（MHD）  patients with congestive heart failure. MethodsFrom the period of January 1， 2008 to December 31， 2015， a total of 46 elderly patients hospitalized for the reason of maintenance hemodialysis with congestive heart failure(CHF) and rehospitalized or dead for the reason of CHF were selected， and 32 patients of maintenance hemodialysis without CHF or presented CHF for only one time were selected as control. The clinical information from outpatient service was colleted and the followup was terminated on December 31， 2015 or rehospitalization because of CHF or allcause mortality (termination of survival time). The risk factors affecting survival time for the patients were analyzed using KaplanMeier survival curve and Cox proportional hazard regression model. ResultsThe KaplanMeier survival curve showed that age， left cardiomegaly， infection， left ventricular ejection fraction (LVEF) and dialysis interphase weight gain had distinct effects on the survival time for the elderly paitents of maintenance hemodialysis with CHF（P＜0.05）.The Cox proportional hazard regression model showed that age，left cardiomegaly， LVEF value and dialysis interphase weight gain were independent risk factors affecting  the survival time for the elderly patients of the maintenance hemodialysis with CHF（P＜0.05）.ConclusionAge stratification， left cardiomegaly， dialysis interphase weight gain and LVEF reduction are the independent risk factors affecting  the survival time for the elderly patients of the maintenance hemodialysis with CHF.

Key words: renal dialysis；heart , failure；ventricular function, left