Are blood cultures necessary in the management of women with complicated pyelonephritis?

Yael Chen, Orna Nitzan, Walid Saliba, Bibiana Chazan, Raul Colodner, Raul Raz

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

Objectives: Data from previous studies suggest that blood cultures in women with uncomplicated acute pyelonephritis (APN) are of limited value. Our objective was to assess the role of blood cultures in the management of complicated APN in women, and to examine the demographic and clinical characteristics, and the outcome as related to the bacteremic status of these patients. Methods: Data from medical records of 158 women hospitalized with complicated APN over a 2-year period were analyzed retrospectively. It included demographic, clinical and laboratory data, details of the empiric antimicrobial therapy, urine and blood culture results, complications and clinical outcome. Results: Out of 158 women with complicated APN, in 155 (98%) pathogens grew in the urine culture, and 33 (20.9%) of them had bacteremia. In the great majority of patients (98.7%), the blood cultures were sterile, or contained the same phenotypically profiled pathogen that was isolated from the urine. Only in two patients (1.3%), the blood cultures grew pathogens different from those found in the urine. The initial empiric antimicrobial therapy was not changed in any of the patients. No significant difference existed between the bacteremic and nonbacteremic patients in the demographic and clinical characteristics, the severity of disease or the outcome. Conclusion: In the management of complicated APN, routine cultures of blood should be reevaluated.

Original languageEnglish
Pages (from-to)235-240
Number of pages6
JournalJournal of Infection
Volume53
Issue number4
DOIs
StatePublished - Oct 2006
Externally publishedYes

Keywords

  • Blood culture
  • Complicated pyelonephritis
  • Pyelonephritis
  • Urine culture

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