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KMID : 1001920100470040265
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Journal of Korean Neurosurgical Society
2010 Volume.47 No. 4 p.265 ~ p.270
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Association between Asymptomatic Urinary Tract Infection and Postoperative Spine Infection in Elderly Women : A Retrospective Analysis Study
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Lee Seung-Eun
Kim Kyoung-Tae
Park Yong-Sook
Kim Young-Baeg
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Abstract
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Objective: The purpose of this study is to identify the relationship between asymptomatic urinary tract infection (aUTI) and postoperative spine infection.
Methods: A retrospective review was done in 355 women more than 65 years old who had undergone laminectomy and/or discectomy, and spinal fusion, between January 2004 and December 2008. Previously postulated risk factors (i.e., instrumentation, diabetes, prior corticosteroid therapy, previous spinal surgery, and smoking) were investigated. Furthermore, we added aUTI that was not previously considered.
Results: Among 355 patients, 42 met the criteria for aUTI (Bacteriuria ≥ 105 CFU/mL and no associated symptoms). A postoperative spine infection was evident in 15 of 355 patients. Of the previously described risk factors, multi-levels (p < 0.05), instrumentation (p < 0.05) and diabetes (p < 0.05) were proven risk factors, whereas aUTI (p > 0.05) was not statistically significant. However, aUTI with Foley catheterization was statistically significant when Foley catheterization was added as a variable to the all existing risk factors.
Conclusion: aUTI is not rare in elderly women admitted to the hospital for lumbar spine surgery. The results of this study suggest that aUTI with Foley catheterization may be considered a risk factor for postoperative spine infection in elderly women. Therefore, we would consider treating aUTI before operating on elderly women who will need Foley catheterization.
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KEYWORD
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Asymptomatic UTI, Postoperative spine infection, Elderly women
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