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Chinese Journal of Blood Purification ›› 2006, Vol. 5 ›› Issue (1) : 16-18.

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Abstract

Objective To analyze the reason and risk factors associated with dropout of patients of continuous ambulatory peritoneal dialysis (CAPD), and to study the role of social support and to analyze factors that affect social support in these patients. Methods Between January 1999 and July 2005, fifty-nine patients droped all were enrolled. Patient’s demographic characteristics, duration of dialysis, date and cause of dropout, cause of death were recorded. Comorbidity at initiation of dialysis was assessed by Charlson index and plysical injury index. Patients social support was evaluated with Xiao,s social support scale. Results Among the 45 patients who dropped out within three months after initiation of CAPD, 25 cases died (8 died of rejecting treatment, 5 died of congestive heart failure, 3 died of respiration failure, 2 died of stroke, 2 died of acute myocardial infraction, 2 died of peritonitis, 1 died of malignancy, 2 died of others), 5 cases received renal transplantation, 5 cases were switched to hemodialysis. The relative risk (RR) of death established by logistic regression analysis for effect of comorbidity assessed by Charlson index and physical injury index, gender on patients dropping out within three months after initiation of CAPD were as follow: Charlson index, RR =1.42; physical injury index, RR =2.22; gender RR =2.85 (P ＜0.05). Subjective social support in patients with spouse was higher than those without spouse (P＜0.05). Subjective social support was negatively related with age (r =-0.296, P＜0.01) and positively related with economic condition (r= 0.362, P ＜0.01). Objective social support was positively associated with both economic condition (r=0.283, P＜0.01) and education (r = 0.257, P＜0.01). Conclusion Our study suggests that rejecting treatment and cardiovascular events is the primary cause of death in patients who dropped out within three month after initiation of CAPD; and economic condition and comorbidity are important risks for the dropout. Marriage status, age, education and the way of payment were factors affecting social support.