Intraperitoneal Pressure Dynamics in Peritoneal Dialysis Systems
Summary
Peritoneal dialysis relies on the peritoneum as a semi-permeable membrane through which solute and fluid exchange occur under hydrostatic and osmotic gradients. Intraperitoneal pressure dynamics are governed chiefly by the volume and composition of dialysate instilled, dwell time, patient posture and physical characteristics, as well as catheter design and membrane compliance. Precise control of pressure within the abdominal cavity is essential to optimise ultrafiltration rates, ensure adequate solute clearance and minimise mechanical complications such as dialysate leaks, herniation and discomfort. Continuous monitoring and tailored prescription adjustments allow clinicians to balance treatment efficacy against the risk of pressure-related adverse events, preserving residual renal function and patient quality of life.
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Intraperitoneal Pressure Dynamics in Peritoneal Dialysis Systems publication trend
The graph below shows the total number of articles in intraperitoneal pressure dynamics in peritoneal dialysis systems across all publications each year (not limited to Nature Index journals).
Technical terms
Intraperitoneal pressure (IPP): Pressure within the peritoneal cavity during dialysis exchanges.
Intra-abdominal pressure (IAP): Net pressure inside the abdominal compartment influenced by dialysate volume and body posture.
Ultrafiltration (UF): Net volume of fluid removed from the circulation across the peritoneal membrane.
Residual renal function (RRF): Endogenous kidney function remaining after initiation of dialysis.
Peritoneal equilibration test (PET): Standardised assessment of solute transport rates across the peritoneal membrane.
Dialysate: Sterile solution instilled into the peritoneal cavity to facilitate solute and fluid exchange.
Dwell time: Duration for which dialysate remains in situ to allow equilibration and ultrafiltration.
References
- Intra-abdominal pressure and residual renal function decline in peritoneal dialysis: a threshold-based investigation. Renal Failure (2024).
- Trends in Automated Peritoneal Dialysis Prescriptions in a Large Dialysis Organization in the United States. Clinical Journal of the American Society of Nephrology (2024).
- Non-infectious complications of peritoneal dialysis and peritoneal scintigraphy. Bulletin de la Dialyse à Domicile (2021).
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