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Association between depression and malnutrition-inflammation complex syndrome in patients with continuous ambulatory
Zhi-Jian Li1, Xin An, Hai-Ping Mao
1Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, 58th Zhongshan 2nd Road, Guangzhou 510080, People's Republic of China.
Objective:
Depression, the most common psychological disorder among patients with end-stage renal disease (ESRD), is associated with poor survival. The prevalence of depression and its relation with the malnutrition-inflammation complex syndrome (MICS) have not yet been clearly defined in Chinese continuous ambulatory peritoneal dialysis (CAPD) patients.
Patients And Methods:
A total of 142 patients on CAPD were enrolled in the First Affiliated Hospital of Sun Yat-Sen University. The Hamilton Depression Scale (HAMD) and the malnutrition-inflammation score (MIS) were used for depression and MICS evaluation, respectively. Clinical, socioeconomic, and malnutrition-inflammation factors were compared among patients with and without depression. Binary regression analysis was performed to investigate the independent association between depression and MICS.
Results:
The mean HAMD and MIS scores were 7.12 ± 5.28 and 4.45 ± 3.56, respectively. According to HAMD, 37 patients (26.1%) had depression and 70 patients (49.3%) had potential depression. Older age, longer dialysis vintage, worse residual renal function, lower employment and reimbursement status, and higher comorbidity index were positively correlated with depression. Compared to non-depressed patients, the depressed ones also showed lower levels of serum albumin and higher levels of C-reactive protein (CRP). Correlation results showed that the HAMD scores were significantly and positively correlated with MIS (r = 0.46, P < 0.01). Moreover, the incidence of peritonitis was significantly higher in depressed compared to non-depressed patients. Binary regression analysis showed that MIS was the only independent risk factor for depression.
Conclusion:
Depression is commonly encountered in Chinese CAPD patients. A close relationship exists between depression and MICS.
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