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KMID : 1102220160350030169
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Kidney Research and Clinical Practice
2016 Volume.35 No. 3 p.169 ~ p.175
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Low prealbumin levels are independently associated with higher mortality in patients on peritoneal dialysis
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Lee Kyung-Hee
Cho Jang-Hee
Kwon Owen
Kim Sang-Un
Kim Ryang-Hi
Cho Young-Wook
Jung Hee-Yeon
Choi Ji-Young
Kim Chan-Duck
Kim Yong-Lim
Park Sun-Hee
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Abstract
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Background: Prealbumin, a sensitive marker for protein?energy status, is also known as an independent risk factor for mortality in hemodialysis patients. We investigated the impact of prealbumin on survival in incident peritoneal dialysis (PD) patients.
Methods: In total, 136 incident PD patients (mean age, 53.0?±?15.8?years) between 2002 and 2007 were enrolled in the study. Laboratory data, dialysis adequacy, and nutritional parameters were assessed 3?months after PD initiation. Patients were classified into 2 groups according to prealbumin level: high prealbumin (≥?40?mg/dL) and low prealbumin (
Results: The patients in the low-prealbumin group were older and had more comorbidities such as diabetes and cardiovascular diseases compared with the patients in the high-prealbumin group. Mean subjective global assessment scores were lower, and the high-sensitivity C-reactive protein levels were higher in the low-prealbumin group. Serum creatinine, albumin, and transferrin levels; percent lean body mass; and normalized protein catabolic rate were positively associated, whereas subjective global assessment scores and high-sensitivity C-reactive protein levels were negatively associated with prealbumin concentration. During the median follow-up of 49?months, patients in the lower prealbumin group had a higher mortality rate. Multivariate analysis revealed that prealbumin
Conclusion: Prealbumin levels were an independent and sensitive predictor for mortality in incident PD patients, showing a good correlation with nutritional and inflammatory markers.
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KEYWORD
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Inflammation, Nutrition, Peritoneal dialysis, Prealbumin
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