Renal replacement therapies: Physiological review

Claudio Ronco, Zaccaria Ricci

Research output: Contribution to journalArticle

Abstract

Introduction: A physiological review on renal replacement therapies (RRT) is a challenging task: there is nothing "physiologic" about RRT, since the most accurate, safe and perfectly delivered extracorporeal therapy would still be far from "physiologically" replacing the function of the native kidney. Methods: This review will address the issues of physiology of fluid and solute removal, acid base control and impact on mortality during intermittent and continuous therapies: different RRT modalities and relative prescriptions will provide different "physiological clinical effects" to critically ill patients with acute kidney injury (AKI), with the aim of restoring lost "renal homeostasis". On the other side, however, the "pathophysiology" of RRT, consists with unwanted clinical effects caused by the same treatments, generally under-recognized by current literature but often encountered in clinical practice. Physiology and pathophysiology of different RRT modalities have been reviewed. Conclusion: Physiology and pathophysiology of RRT often coexist during dialysis sessions. Improvement in renal recovery and survival from AKI will be achieved from optimization of therapy and increased awareness of potential benefits and dangers deriving from different RRT modalities.

Original languageEnglish
Pages (from-to)2139-2146
Number of pages8
JournalIntensive Care Medicine
Volume34
Issue number12
DOIs
Publication statusPublished - 2008

Keywords

  • Dialysis and hemofiltration
  • Renal failure

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine

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