Abstract:

Ｏｂｊｅｃｔｉｖｅ：To investigate the changes of cardiothoracic ratio (CTR) and the prevalence of congestive heart failure (CHF) in patients with longterm peritoneal dialysis (PD).
Ｍｅｔｈｏｄｏｌｏｇｙ：One hundred and fiftyeight patients who received peritoneal dialysis (PD) catheterization operation and regular followup during January 2006 to August 2016 were enrolled in this study.All patients took chest Xray and echocardiography every six months and calculated cardiothoracic ratio (CTR),left ventricular mass index (LVMI) was examined.Clinical,laboratory data and dialysis parameters were also collected at the same.After analyzing total congestive heart failure (CHF) in all patients,logistic regression was used to analyze the effects of CTR.KaplanMeier method was used to calculate the prevalence of CHF and survival rate of the patients.
Ｒｅｓｕｌｔｓ：CTR continuously increased during the whole stage of PD,CTR of CHF patients increased significantly higher than nonCHF patients,KaplanMeier showed that the larger CTR patients turned to show higher prevalence of CHF rate.Dialysis age,serum albumin (Alb),pulse pressure,body mass index and urine volume were closely related to CTR.At the end of followup,a total of 58 patients (3671%) developed CHF 30(1899%) patients died of CHF.
Ｃｏｎｃｌｕｓｉｏｎ：CTR gradually increased with the extending time of PD.The higher the degree of CTR,the higher the prevalence and mortality of CHF.Alb,pulse pressure,dialysis age,body mass index and urine volume were factors affecting CTR.

Key words: peritoneal dialysis, cardiothoracic ratio, left ventricular mass index, congestive heart failure, volume overload