Publicação: High-Volume Peritoneal Dialysis in Acute Kidney Injury: Indications and Limitations
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Amer Soc Nephrology
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Background and objectives Peritoneal dialysis is still used for AKI in developing countries despite concerns about its limitations. The objective of this study was to explore the role of high-volume peritoneal dialysis in AM patients in relation to metabolic and fluid control, outcome, and risk factors associated with death.Design, setting, participants, & measurements A prospective study was performed on 204 AKI patients who were assigned to high-volume peritoneal dialysis (prescribed Kt/V=0.60/session) by flexible catheter and cycler; 150 patients (80.2%) were included in the final analysis.Results Mean age was 63.8 +/- 15.8 years, 70% of patients were in the intensive care unit, and sepsis was the main etiology of AKI (54.7%). BUN and creatinine levels stabilized after four sessions at around 50 and 4 mg/dl, respectively. Fluid removal and nitrogen balance increased progressively and stabilized around 1200 ml and -1 g/d after four sessions, respectively. Weekly delivered Kt/V was 3.5 +/- 0.68. Regarding AKI outcome, 23% of patients presented renal function recovery, 6.6% of patients remained on dialysis after 30 days, and 57.3% of patients died. Age and sepsis were identified as risk factors for death. In urine output, increase of 1 g in nitrogen balance and increase of 500 ml in ultrafiltration after three sessions were identified as protective factors.Conclusions High-volume peritoneal dialysis is effective for a selected AKI patient group, allowing adequate metabolic and fluid control. Age, sepsis, and urine output as well as nitrogen balance and ultrafiltration after three high-volume peritoneal dialysis sessions were associated significantly with death. Clin J Am Soc Nephrol 7: 887-894, 2012. doi: 10.2215/CJN.11131111
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Clinical Journal of The American Society of Nephrology. Washington: Amer Soc Nephrology, v. 7, n. 6, p. 887-894, 2012.
