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[Systemic and intraperitoneal inflammation in peritoneal dialysis patients]

Sylvie Opatrná

    Vnitrni Lekarstvi
    |January 27, 2017
    PubMed

    Insights

    Microinflammation is a risk factor for mortality in chronic kidney disease patients. Peritoneal dialysis solutions impact inflammation, but systemic inflammation, influenced by age and comorbidities, predicts long-term outcomes.

    Area of Science:

    • Nephrology
    • Biomaterials Science

    Background:

    • Microinflammation is a significant risk factor for mortality in all stages of chronic kidney disease (CKD).
    • Peritoneal dialysis (PD) can activate intraperitoneal inflammation, influenced by the composition of PD solutions, affecting biocompatibility.
    • The level of intraperitoneal inflammation is linked to peritoneal permeability but not directly to systemic inflammation or mortality.

    Purpose of the Study:

    • To investigate the relationship between peritoneal dialysis solutions, intraperitoneal inflammation, and patient outcomes.
    • To determine the factors influencing systemic inflammation in patients undergoing peritoneal dialysis.
    • To assess the predictive value of systemic inflammation on long-term clinical results in PD patients.

    Main Methods:

    • Analysis of intraperitoneal inflammation markers in stable PD patients without infectious complications.
    • Evaluation of the impact of peritoneal dialysis solution components (glucose, icodextrin, lactate, bicarbonate) on inflammation.
    • Correlation analysis between intraperitoneal inflammation, peritoneal permeability, systemic inflammation, and mortality.
    • Assessment of the influence of patient-specific factors like age and comorbidities on systemic inflammation.

    Main Results:

    • The composition of peritoneal dialysis solutions, including osmotic agents like icodextrin and buffers, influences the degree of intraperitoneal inflammation and biocompatibility.
    • Intraperitoneal inflammation affects peritoneal permeability but does not directly increase systemic inflammation or correlate with mortality.
    • Systemic inflammation in PD patients is primarily driven by age and comorbidities, independent of the dialysis procedure itself.

    Conclusions:

    • Peritoneal dialysis solution composition is crucial for managing intraperitoneal inflammation and ensuring biocompatibility.
    • Systemic inflammation, rather than intraperitoneal inflammation, is the key predictor of long-term clinical outcomes in peritoneal dialysis patients.
    • Management strategies for PD patients should focus on addressing age and comorbidities to mitigate systemic inflammation and improve prognosis.

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