• Loris Pironi, Augusto Lauro, Valentina Soverini, Chiara Zanfi, Federica Agostini, Mariacristina Guidetti, Caterina Pazzeschi, and Antonio Daniele Pinna.
• Center for Chronic Intestinal Failure, University of Bologna, Bologna, Italy. Electronic address: Loris.pironi@unibo.it.
• Nutrition. 2014 Sep 1; 30 (9): 1011-4.

ObjectiveA decrease of renal function was described in patients on long-term home parenteral nutrition (HPN) for benign intestinal failure. The risk for chronic renal failure (CRF) due to frequent episodes of dehydration despite optimal HPN, is an indication for intestinal transplantation (ITx). ITx is the solid organ transplant at highest risk for developing CRF. The aim of this study was to compare the prevalence and the probability of CRF occurring in adults on HPN and after ITx.MethodsA cross-sectional and retrospective follow-up study was carried out in 2011. Renal function was evaluated at cross-sectional and at time of starting HPN or ITx, by serum creatinine concentration (mg/dL) and estimated glomerular filtration rate (eGFR), according to the Modification of Diet in Renal Disease equation (mL·min·1.73 m2). CRF was defined as eGFR <60. Duration of follow up was from time of starting treatment to time of cross-sectional.ResultsWe enrolled 33 patients on HPN and 22 who had undergone ITx. The frequency of CRF was 6% in the HPN group and 9% in the ITx group (P = 0.67) at start of treatment, and 21% and 54%, respectively (P = 0.01) at the time of the cross-sectional evaluation. During the follow-up, the annual decline of eGFR was 2.8% and 14.5%, respectively (P = 0.02). The 5-y probability of maintaining an eGFR ≥60 was 84% in the HPN group and 44% in the ITx group (P < 0.001).ConclusionsThe decrease of renal function and the risk for developing CRF are greater after ITx than during HPN. The risk for CRF on HPN, as a criterion for ITx, should be revised.Copyright © 2014 Elsevier Inc. All rights reserved.

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