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Eur Rev Med Pharmacol Sci. 2013 Apr;17(8):1064-72.

Effects of infectious complications on patients' survival in peritoneal dialysis.

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  • 1Clinic of Nephrology, Sisli Etfal Research and Educational Hospital, Istanbul, Turkey. dryenerkoc@mynet.com

Abstract

AIM:

To investigate the impacts of infectious complications on mortality and morbidity; and to identify the other potential factors effective in mortality in peritoneal dialysis (PD) patients.

PATIENTS AND METHODS:

We included patients who initiated therapy between 2001-2011. Patients were divided into two groups regarding to presence or absence of infectious complications. Socio-demographic data and clinical courses were compared and the reasons for PD withdrawal were obtained. Survival analysis of all patients was performed and the effects of infectious complications on mortality were investigated.

RESULTS:

301 patients were included in this retrospective study. 214 patients (mean follow-up time 28.7±16.5 months) had infection history, 87 patients (mean follow-up time 48.9±29.6 months) had no infection history. There were no statistically significant difference in comparison of the groups in terms age, gender, education levels, hemodialysis history. In patients with infection history, 465 peritonitis and 213 catheter exit site infection attacks were diagnosed. The most frequently agent was methicillin-sensitive Staphylococcus aureus and Methicillin-resistant Staphylococcus aureus in both conditions, while 25% of catheter exit site infection and 25% of peritonitis attacks were culture negative. During follow-up period, 60 patients transferred to hemodialysis, 58 patients died, 18 patients had renal transplantation in patients with infection history. In other group, 27 patients died, 23 patients had renal transplantation and 11 patients transferred to hemodialysis. Mean survival times were 56.3±2.8 months in patients with infection history and 86.8±6.1 months in other group. Mortality rate was found higher in patients with infection history (long-rank: 0.030). PD preference (OR: 5.213, p < 0.001), pretreatment low serum albumin (OR: 0.378, p = 0.001), low hemoglobin levels (OR: 0.810, p = 0.029) were found as predictors of survival in patients with infection history.

CONCLUSIONS:

Infectious complications have negative effects on patient survival. Nature of PD preference, initial hypoalbuminemia and anemia were found to increase the mortality rate. The major causes of deaths were peritonitis and/or sepsis in patients with infectious complications, while the major cause of death was cardiac reasons in patients without infectious complications.

PMID:
23661520
[PubMed - indexed for MEDLINE]
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