One-Size-Does-Not-Fit-All: The Case of Incremental Hemodialysis

Author:

Casino Francesco Gaetano1,Basile Carlo2ORCID

Affiliation:

1. Division of Nephrology, Hospital Madonna delle Grazie, 75100 Matera, Italy

2. Associazione Nefrologica Gabriella Sebastio, 74015 Martina Franca, Italy

Abstract

Conventional hemodialysis (HD) (a 4 h session three times a week) is not appropriate for everyone and is excessive in the presence of substantial residual kidney function (RKF). However, it can be safely replaced by a softer incremental approach guided by the urea kinetic model (UKM), starting with one or two sessions a week. Observational data suggest that RKF may be lost less quickly if dialysis is initiated less frequently than 3 times a week. Incremental HD means that, in the presence of substantial RKF, kidney replacement therapy can begin with low doses and/or frequencies, which, however, must be adequately increased to compensate for any subsequent losses of RKF, keeping the total clearance level (kidney + dialysis) always above the minimum levels of adequacy. In HD, there are complexities in combining the dialysis dose with RKF, but tools have been developed to facilitate this issue. The literature findings lend support to the safety of incremental HD and highlight the potential for this method to be implemented as a new standard of care in dialysis patients with substantial RKF. Ongoing and future trials will likely generate further evidence of the clinical and healthcare benefits of incremental HD in routine practice.

Publisher

MDPI AG

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