International urogynecology journal · 2019
Postoperative urinary tract infection after urogynecologic surgery: timing and uropathogens.
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Jung Carrie E, Brubaker Linda
Аннотация
INTRODUCTION AND HYPOTHESIS: Although postoperative urinary tract infections (UTIs) after urogynecologic surgery are a common adverse event, there is no standardized postoperative time period used to assess this outcome, and the uropathogens unique to this sub-population of patients have not been well described. Our objective is to describe the timing and uropathogens of postoperative UTI after urogynecologic surgery.
METHODS: This retrospective study analyzed postoperative UTI occurring within 90 days following urogynecologic procedures from November 2013 to January 2018 at a single academic institution. Postoperative UTI was defined as any uropathogen growth from standard urine culture. Continuous variables were compared with independent samples t-test and categorical variables with chi-square with Bonferonni corrections as appropriate.
RESULTS: One hundred and two of 1085 (9.4%) patients experienced UTI; 63.7% occurred within 6 weeks and 78.4% within 8 weeks; 36.3% of UTIs occurred at a time period of 6 weeks to 90 days. Most commonly isolated uropathogens were Escherichia coli (47.8%) with an additional 11.2% extended-spectrum beta-lactamase (ESBL) Escherichia coli. Other bacteria included Enterococcus faecalis (10.4%), Klebsiella pneumoniae (9%), and one culture each for ESBL Klebsiella pneumoniae and vancomycin-resistant (VRE) Enterococcus faecium.
CONCLUSIONS: More than one third of UTIs after urogynecologic surgery occur between 6 weeks and 90 days postoperatively. A plateau of UTI incidence occurs at 8 weeks, a time period at which 78.4% of all UTIs were captured. Escherichia coli was the most commonly isolated uropathogen, and multi-drug-resistant bacteria were implicated in 12.8% of UTIs.
METHODS: This retrospective study analyzed postoperative UTI occurring within 90 days following urogynecologic procedures from November 2013 to January 2018 at a single academic institution. Postoperative UTI was defined as any uropathogen growth from standard urine culture. Continuous variables were compared with independent samples t-test and categorical variables with chi-square with Bonferonni corrections as appropriate.
RESULTS: One hundred and two of 1085 (9.4%) patients experienced UTI; 63.7% occurred within 6 weeks and 78.4% within 8 weeks; 36.3% of UTIs occurred at a time period of 6 weeks to 90 days. Most commonly isolated uropathogens were Escherichia coli (47.8%) with an additional 11.2% extended-spectrum beta-lactamase (ESBL) Escherichia coli. Other bacteria included Enterococcus faecalis (10.4%), Klebsiella pneumoniae (9%), and one culture each for ESBL Klebsiella pneumoniae and vancomycin-resistant (VRE) Enterococcus faecium.
CONCLUSIONS: More than one third of UTIs after urogynecologic surgery occur between 6 weeks and 90 days postoperatively. A plateau of UTI incidence occurs at 8 weeks, a time period at which 78.4% of all UTIs were captured. Escherichia coli was the most commonly isolated uropathogen, and multi-drug-resistant bacteria were implicated in 12.8% of UTIs.