oa South African Journal of Clinical Nutrition - The nutritional status of continuous ambulatory peritoneal dialysis patients at a Johannesburg hospital : original research
Objectives: To assess the nutritional status of continuous ambulatory peritoneal dialysis (CAPD) patients in our hospital using different assessment tools, and to assess the correlation between nutritional status and other parameters such as solute clearance.
Method: A cross-sectional study was performed on end-stage renal disease patients treated with CAPD at Charlotte Maxeke Academic Hospital, Johannesburg, South Africa. The nutritional status of each patient was assessed using subjective global assessment (SGA), anthropometric parameters including body mass index (BMI), mid-upper arm circumference (MUAC), triceps skin fold (TSF), arm muscle area (AMA) and arm fat area (AFA), and biochemical parameters including serum albumin and total cholesterol levels. Dialysis adequacy was assessed by solute clearance measurement.
Results: The mean age of the patients was 37.9 ± 13.4 years, 54% were males and 74 % were black. The mean BMI was 24.8 ± 3.5 kg/m2, mean MUAC was 28.5 ± 3.9 cm, mean TSF 85.6 ± 41.5 cm, mean serum albumin was 37.1 ± 7.6 mg/dl, while mean serum cholesterol was 5.32 ± 1.7 mmol/l. Based on SGA scores, 42% were well nourished, 50% moderately undernourished, while 8% were severely malnourished. We noted significant correlation between the SGA score and anthropometric parameters (BMI, MUAC) and there was no significant correlation between the nutritional parameters and the solute clearance.
Conclusion: Malnutrition is common among CAPD patients in our centre, without a significant correlation between the nutritional status and the solute clearance. There is thus a need for ongoing nutritional assessment and support among these patients.
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