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Are phospholipase A2 and nitric oxide involved in the alterations in peritoneal transport during CAPD peritonitis?

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Are phospholipase A2 and nitric oxide involved in the alterations in peritoneal transport during CAPD peritonitis?

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The alterations in peritoneal permeability characteristics during peritonitis can only partly be explained by the increased concentrations of prostaglandins and cytokines in the dialysate. Fifteen patients undergoing continuous ambulatory peritoneal dialysis (CAPD) with 16 peritonitis episodes were examined in the acute phase of the infection by using standard peritoneal permeability analyses (SPAs). In 9 of these patients, a control SPA could be performed. The contribution of nitric oxide (NO), prostaglandins, and the acute phase reactants C-reactive protein (CRP) and secretory phospholipase A2 (sPLA2) were analyzed. The mass transfer area coefficients (MTACs) of low-molecular-weight solutes increased during peritonitis: urea 26%, creatinine 45%, and urate 45%. The MTAC of CO2, calculated to estimate peritoneal blood flow, was 71 mL/min (34 to 254 mL/min) during peritonitis and 55 mL/min (42 to 63 mL/min) after recovery, P < or = .05. The peritoneal protein clearances were also greate

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