Sleep Apnea and the Kidney

Maria Rosaria Bonsignore, Maria Rosaria Bonsignore, Maria Rosaria Bonsignore, Oreste Marrone, Oreste Marrone

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose of Review: There are some uncertainties about the interactions between obstructive sleep apnea (OSA) and chronic kidney disease (CKD). We critically reviewed recent studies on this topic with a focus on experimental and clinical evidence of bidirectional influences between OSA and CKD, as well as the effects of treatment of either disease. Recent Findings: Experimental intermittent hypoxia endangers the kidneys, possibly through activation of inflammatory pathways and increased blood pressure. In humans, severe OSA can independently decrease kidney function. Treatment of OSA by CPAP tends to blunt kidney function decline over time, although its effect may vary. OSA may increase cardiovascular complications and mortality in patients with end-stage renal disease (ESRD), while it seems of little harm after renal transplantation. Excessive fluid removal may explain some of the improvements in OSA severity in ESRD and after transplantation. Summary: Severe OSA and CKD do interact negatively, mainly through hypoxia and fluid retention. The moderate mutually interactive benefits that treatment of each disease exerts on the other one warrant further studies to improve patient management.
Original languageEnglish
Pages (from-to)85-93
Number of pages9
JournalCurrent Sleep Medicine Reports
Volume6
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine
  • Neurology
  • Clinical Neurology

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