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Nosocomial infections in renal transplant patients: risk factors and treatment implications associated with urinary tract and surgical site infections.

Dantas SR, Kuboyama RH, Mazzali M, Moretti ML

Infection Control Division, Hospital and Clinics, Universidade Estadual de Campinas, Sao Paulo, Brazil.

A prospective cohort study was conducted from January 2000 to December 2001 to determine the rate of bacterial nosocomial infections in renal transplant recipients. The patients were divided into two groups according to the origin of the allograft, namely deceased or living related donors. One hundred and sixty-three renal transplant recipients were reviewed during hospitalization; 110 (67.5%) kidneys were from deceased donors and 53 (32.5%) kidneys were from living related donors. The median length of hospitalization was 12 days for transplants from living related donors and 26 days for transplants from deceased donors (P<0.0001). Twenty-one (39.6%) recipients of kidneys from living related donors and 68 (61.8%) recipients of kidneys from deceased donors had bacterial nosocomial infectious episodes (P=0.019). The post-transplant nosocomial infections diagnosed during hospitalization included urinary tract infections (UTIs) (44.8%), surgical site infections (SSIs) (11%), pneumonia (6.1%), catheter-related bloodstream infections (4.2%) and others (1.8%). Risk factors for UTI included: recipient of kidney from a deceased donor, substitution of the initial immunosuppressive regimen, duration of urinary bladder catheterization, and length of hospitalization before the infection. Six Enterobacter cloacae strains with multiple resistances to antibiotics were identified in UTIs, and hospital dissemination was documented using molecular typing. UTI was the single most important hospital infection and was significantly higher in recipients of kidneys from deceased donors (P=0.001).

Published 15 May 2006 in J Hosp Infect, 63(2): 117-23.
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