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Exp Clin Transplant. 2018 Oct 24. doi: 10.6002/ect.2017.0196. [Epub ahead of print]

Outcomes of Kidney Transplant Recipients With Posttransplant Genitourinary Infectious Complications: A Single Center Study.

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From the Department of Internal Medicine, Yale University, New Haven, Connecticut, USA.



Long-term outcomes of kidney transplant recipients with postoperative genitourinary tract infections are not well characterized. In this single center retrospective study, we aimed to investigate the long-term effects of early posttransplant genitourinary infections under a protocol that included 1 month of antibiotic prophylaxis on graft failure and patient outcomes.


Electronic medical records of 1752 recipients of kidney-alone transplant between January 2000 and December 2008 were reviewed. Of these, 344 patients had postoperative genitourinary tract infections within 6 months of transplant. Infections included urinary tract infections, recurrent urinary tract infections, and pyelonephritis. All patients received 1-month of treatment with antibiotic prophylaxis for genitourinary infections after graft placement. Kaplan-Meier survival curves and multivariable regression modeling were performed to determine survival outcomes.


In the 344 patients with postoperative infections, the most common cause was Escherichia coli (34.9%). Kaplan-Meier graft survival results showed no significant differences (P = .08) among those with and those without postoperative urinary tract infections; however, patient survival (P = .01) was significantly different. Multivariate analysis demonstrated no significant trend regarding graft failure (hazard ratio: 1.28; 95% confidence interval, 0.95-1.71; P = .09) or patient death (hazard ratio: 1.33; 95% confidence interval, 0.98-1.79; P = .06) in patients with and without genitourinary infections. The major cause of graft failure was infection in the infection cohort (17.4%).


Kidney transplant recipients who develop urinary tract infections within 6 months of transplant may be at increased risk of graft failure or patient death; however, further studies are needed to elucidate the relationship between posttransplant infections and long-term outcomes.

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