%0 Journal Article %T Impacto de las peritonitis en la supervivencia a largo plazo de los pacientes en di¨¢lisis peritoneal %A Mu£¿oz de Bustillo %A E. %A Borr¨¢s %A F. %A G¨®mez-Rold¨¢n %A C. %A P¨¦rez-Contreras %A F.J. %A Olivares %A J. %A Garc¨ªa %A R. %A Miguel %A A. %A %J Nefrolog¨ªa (Madrid) %D 2011 %I Scientific Electronic Library Online %X background: the impact of each episode of peritonitis on long-term survival of peritoneal dialysis (pd) patients has yet to be defined. objectives: to determine the risk that each episode of peritonitis poses for patient survival and for the pd technique. patients: 1515 patients included in the levante registry from 1 january 1993 to 31 december 2005. methods: retrospective analysis of a multicentre registry using cox regression for time-dependent variables. results: we analysed 1609 episodes of peritonitis in 716 patients (47.2%). in the univariate analysis, each case of peritonitis treated in the outpatient unit was associated with an increase in mortality (hazard ratio [hr] 1.99, p<.001), which was greater for episodes that required hospitalisation (hr 3.62, p<.001). mortality increased with each successive episode in the same patient. multivariate analysis confirmed the association of each case of peritonitis with lower long-term survival (hr 2.01, p<.001), with a different risk for episodes due to gram-positive and gram-negative bacteria and fungi (hr 1.73, 2.43 and 5.71, respectively; p<.001). other variables associated with mortality were age, low residual renal function, absence of vascular access and comorbidity. peritonitis was the only independent variable associated with technique failure (hr 1.29, p<.001), with a different risk for episodes due to gram-positive and gram-negative bacteria and fungi (hr 1.73, 2.43 and 5.71, respectively; p<.001). conclusions: episodes of peritonitis negatively influence long-term survival of patients on pd. %K peritoneal dialysis %K peritonitis %K survival analysis %K technique survival. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S0211-69952011000600015&lng=en&nrm=iso&tlng=en