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Comparative Study
. 2020 Mar 10;21(1):91.
doi: 10.1186/s12882-020-01744-6.

Comparison of hemodialysis and peritoneal dialysis patients' dietary behaviors

Seon-Mi Kim  1 , Byung Chin Kang  2   3 , Hyun-Jung Kim  4 , Min-Sook Kyung  5 , Hyung Jung Oh  6   7 , Jung-Hyun Kim  8 , Oran Kwon  9 , Dong-Ryeol Ryu  10   11
Affiliations
Comparative Study

Comparison of hemodialysis and peritoneal dialysis patients' dietary behaviors

Seon-Mi Kim et al. BMC Nephrol. .

Abstract

Background: Nutritional factors are associated with high mortality and morbidity in dialysis patients, and protein-energy wasting is regarded as an important one. The modality of dialysis may affect patients' dietary behavior and nutritional status, but no study has compared the dietary behavior, nutrient intake, and nutritional adequacy of hemodialysis (HD) and peritoneal dialysis (PD) patients.

Methods: From December 2016 to May 2017, a dietary behavior survey and Semi-quantitative Food Frequency Questionnaire (Semi-FFQ) were conducted on 30 HD patients and 30 PD patients in Ewha Womans University Mokdong Hospital, and laboratory parameters were obtained. The results of prevalent HD and PD patients were then compared.

Results: The mean age of HD patients was higher than that of PD patients; HD: 58.5 ± 9.1 years, PD: 49.3 ± 9.7 years (p = 0.001). In the dietary behavior survey, HD patients showed more appropriate dietary behavior patterns overall than PD patients. In the dietary intake analysis with the Semi-FFQ, energy intake was significantly lower in the PD group than in the HD group due to the lower intake of carbohydrates, fat, and protein. A comparison of nutrient intake-to-recommended allowance ratio between the HD and PD groups revealed that the HD group showed higher nutrient intake than the PD group. Serum albumin and potassium levels were significantly higher in HD than in PD patients.

Conclusion: According to this study, the dietary behavior and nutritional intake of prevalent PD patients were worse than those of HD patients.

Keywords: Dietary behavior; Hemodialysis; Nutritional intake; Peritoneal dialysis.

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Conflict of interest statement

The authors declare that they have no competing interests.

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