DOES BODY FAT MASS DEFINE SURVIVAL IN PATIENTS STARTING PERITONEAL DIALYSIS?
- Authors
- Choi, Soo Jeong; Kim, Eun Jung; Park, Moo Yong; Kim, Jin Kuk; Hwang, Seung Duk
- Issue Date
- Jun-2014
- Publisher
- Multimed, Inc.
- Keywords
- Body composition
- Citation
- Peritoneal Dialysis International, v.34, no.4, pp 376 - 382
- Pages
- 7
- Journal Title
- Peritoneal Dialysis International
- Volume
- 34
- Number
- 4
- Start Page
- 376
- End Page
- 382
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/12151
- DOI
- 10.3747/pdi.2011.00152
- ISSN
- 0896-8608
- Abstract
- Background and Aims: Peritoneal dialysis (PD) is characterized by a gain in fat mass. Unlike subcutaneous fat, visceral fat is associated with metabolic syndrome and survival. We prospectively examined whether visceral or subcutaneous fat could predict outcome in patients undergoing PD. Methods: We studied 117 new patients (57 men) undergoing PD between February 2006 and November 2011. Baseline body composition was measured on computed tomograms. Visceral obesity was defined as a visceral fat area exceeding 100 cm(2), and subcutaneous obesity, as a subcutaneous fat area exceeding 130 cm(2). Results: Among the 117 patients, 37 and 29 were diagnosed with visceral and subcutaneous obesity respectively. Visceral and subcutaneous obesity were both present in 21 patients. In the study population, the 1-year and 5-year survival rates were 94% and 59%. The rates of peritonitis and exit-infection were 0.31 and 0.14 episodes per patient-year. Mortality was greater in patients with visceral obesity than in those without visceral obesity (p = 0.005). Visceral obesity had no influence on peritonitis and exit-infection rates. Subcutaneous obesity was associated neither with survival nor with peritonitis or exit-site infection. In a multivariate Cox regression analysis, visceral obesity was not a risk factor for poor outcome. Conclusions: Increased visceral fat at PD initiation is not an independent predictor of poor survival. Any impact of visceral or subcutaneous fat mass on outcomes in patients undergoing PD would be better defined by larger, long-term studies.
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