Preoperative Bladder Urine Culture as a Predictor of Intraoperative Stone Culture Results: Clinical Implications and Relationship to Stone Composition

dc.contributor.authorPaonessa, Jessica E.
dc.contributor.authorGnessin, Ehud
dc.contributor.authorBhojani, Bhojani
dc.contributor.authorWilliams, James C.
dc.contributor.authorLingeman, James E.
dc.contributor.departmentAnatomy and Cell Biology, School of Medicineen_US
dc.date.accessioned2018-08-09T18:32:17Z
dc.date.available2018-08-09T18:32:17Z
dc.date.issued2016-09
dc.description.abstractPurpose We examine the relationship between urine and stone cultures in a large cohort of patients undergoing percutaneous stone removal and compare the findings in infectious vs metabolic calculi. Materials and Methods A total of 776 patients treated with percutaneous nephrolithotomy who had preoperative urine cultures and intraoperative stone cultures were included in the study. Statistical analysis used chi-square or logistic fit analysis as appropriate. Results Preoperative urine culture was positive in 352 patients (45.4%) and stone cultures were positive in 300 patients (38.7%). There were 75 patients (9.7%) with negative preoperative cultures who had positive stone cultures, and in patients with both cultures positive the organisms differed in 103 (13.3%). Gram-positive organisms predominated in preoperative urine and stone cultures. Conclusions Preoperative urine cultures in patients undergoing percutaneous nephrolithotomy are unreliable as there is a discordance with intraoperative stone cultures in almost a quarter of cases. There has been a notable shift toward gram-positive organisms in this cohort of patients.en_US
dc.eprint.versionAuthor's manuscripten_US
dc.identifier.citationPaonessa, J. E., Gnessin, E., Bhojani, N., Williams, J. C., & Lingeman, J. E. (2016). Preoperative Bladder Urine Culture as a Predictor of Intraoperative Stone Culture Results: Clinical Implications and Relationship to Stone Composition. The Journal of Urology, 196(3), 769–774. https://doi.org/10.1016/j.juro.2016.03.148en_US
dc.identifier.issn0022-5347en_US
dc.identifier.urihttps://hdl.handle.net/1805/17052
dc.language.isoen_USen_US
dc.publisherElsevieren_US
dc.relation.isversionof10.1016/j.juro.2016.03.148en_US
dc.relation.journalThe Journal of urologyen_US
dc.rightsPublisher Policyen_US
dc.sourcePMCen_US
dc.subjectkidney calculien_US
dc.subjectnephrolithiasisen_US
dc.subjectnephrostomyen_US
dc.subjectpercutaneousen_US
dc.subjecturinary tract infectionsen_US
dc.titlePreoperative Bladder Urine Culture as a Predictor of Intraoperative Stone Culture Results: Clinical Implications and Relationship to Stone Compositionen_US
dc.typeArticleen_US
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