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  • Title: Lower Serum Albumin Level Is Associated With an Increased Risk for Loss of Residual Kidney Function in Patients Receiving Peritoneal Dialysis.
    Author: Yamada S, Kawai Y, Tsuneyoshi S, Tsujikawa H, Arase H, Yoshida H, Tsuruya K, Nakano T, Kitazono T.
    Journal: Ther Apher Dial; 2020 Feb; 24(1):72-80. PubMed ID: 31125508.
    Abstract:
    Preserving residual kidney function (RKF) is important in the management of patients on peritoneal dialysis. However, few studies have examined the association between serum albumin level and the risk of RKF loss. We prospectively recruited 104 patients who began peritoneal dialysis treatment at our hospital between 2006 and 2016. The primary outcome was complete RKF loss, defined as urine volume < 100 mL/day. Serum albumin level at baseline was the main exposure. During a median observation period of 24 months, 33 patients developed RKF loss. A Cox proportional hazards model showed that hypoalbuminemia was associated with an increased risk of RKF, even after adjustments for potential confounding factors. Multivariable-adjusted linear regression analysis also showed that hypoalbuminemia was associated with greater rates of decline in 24-h urine volume and in renal Kt/V urea. Our findings suggest that hypoalbuminemia is associated with an increased risk of RKF loss in patients with peritoneal dialysis.
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