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The Peritoneal Membrane and Its Role in Peritoneal Dialysis

Morelle, Johann ; Lambie, Mark ; Öberg, Carl M. LU and Davies, Simon (2024) In Clinical Journal of the American Society of Nephrology 19(2). p.244-253
Abstract

A healthy and functional peritoneal membrane is key to achieving sufficient ultrafiltration and restoring fluid balance, a major component of high-quality prescription in patients treated with peritoneal dialysis (PD). Variability in membrane function at the start of PD or changes over time on treatment influence dialysis prescription and outcomes, and dysfunction of the peritoneal membrane contributes to fluid overload and associated complications. In this review, we summarize the current knowledge about the structure, function, and pathophysiology of the peritoneal membrane with a focus on clinical implications for patient-centered care. We also discuss the molecular and genetic mechanisms of solute and water transport across the... (More)

A healthy and functional peritoneal membrane is key to achieving sufficient ultrafiltration and restoring fluid balance, a major component of high-quality prescription in patients treated with peritoneal dialysis (PD). Variability in membrane function at the start of PD or changes over time on treatment influence dialysis prescription and outcomes, and dysfunction of the peritoneal membrane contributes to fluid overload and associated complications. In this review, we summarize the current knowledge about the structure, function, and pathophysiology of the peritoneal membrane with a focus on clinical implications for patient-centered care. We also discuss the molecular and genetic mechanisms of solute and water transport across the peritoneal membrane, including the role of aquaporin water channels in crystalloid versus colloid osmosis; why and how to assess membrane function using peritoneal equilibration tests; the etiologies of membrane dysfunction and their specific management; and the effect of genetic variation on membrane function and outcomes in patients treated with PD. This review also identifies the gaps in current knowledge and perspectives for future research to improve our understanding of the peritoneal membrane and, ultimately, the care of patients treated with PD.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
interstitial fibrosis, kidney failure, outcomes, peritoneal dialysis, peritoneal membrane, water channels, water transport
in
Clinical Journal of the American Society of Nephrology
volume
19
issue
2
pages
10 pages
publisher
Amer Soc Nephrology
external identifiers
  • scopus:85190253683
  • pmid:37616463
ISSN
1555-9041
DOI
10.2215/CJN.0000000000000282
language
English
LU publication?
yes
id
eda95338-3263-4a09-a1ac-d297448bda3c
date added to LUP
2025-01-14 13:44:59
date last changed
2025-07-16 17:54:48
@article{eda95338-3263-4a09-a1ac-d297448bda3c,
  abstract     = {{<p>A healthy and functional peritoneal membrane is key to achieving sufficient ultrafiltration and restoring fluid balance, a major component of high-quality prescription in patients treated with peritoneal dialysis (PD). Variability in membrane function at the start of PD or changes over time on treatment influence dialysis prescription and outcomes, and dysfunction of the peritoneal membrane contributes to fluid overload and associated complications. In this review, we summarize the current knowledge about the structure, function, and pathophysiology of the peritoneal membrane with a focus on clinical implications for patient-centered care. We also discuss the molecular and genetic mechanisms of solute and water transport across the peritoneal membrane, including the role of aquaporin water channels in crystalloid versus colloid osmosis; why and how to assess membrane function using peritoneal equilibration tests; the etiologies of membrane dysfunction and their specific management; and the effect of genetic variation on membrane function and outcomes in patients treated with PD. This review also identifies the gaps in current knowledge and perspectives for future research to improve our understanding of the peritoneal membrane and, ultimately, the care of patients treated with PD.</p>}},
  author       = {{Morelle, Johann and Lambie, Mark and Öberg, Carl M. and Davies, Simon}},
  issn         = {{1555-9041}},
  keywords     = {{interstitial fibrosis; kidney failure; outcomes; peritoneal dialysis; peritoneal membrane; water channels; water transport}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{244--253}},
  publisher    = {{Amer Soc Nephrology}},
  series       = {{Clinical Journal of the American Society of Nephrology}},
  title        = {{The Peritoneal Membrane and Its Role in Peritoneal Dialysis}},
  url          = {{http://dx.doi.org/10.2215/CJN.0000000000000282}},
  doi          = {{10.2215/CJN.0000000000000282}},
  volume       = {{19}},
  year         = {{2024}},
}