• David Scordino, William F Paolo, Andrew R Poreda, William Grant, and Susan Wojcik.
• Department of Emergency Medicine, SUNY Upstate, Syracuse, New York 13210, USA.
• J Emerg Med. 2013 Aug 1;45(2):163-7.

BackgroundCellulitis, a frequently encountered complaint in the Emergency Department, is typically managed with antibiotics. There is some debate as to whether obtaining blood cultures and knowing their results would change the management of cellulitis, although most authors argue that information from blood cultures does not change the empirical management of uncomplicated cellulitis. However, for complicated cellulitis (as defined by the presence of significant comorbidity), there is considerable disagreement and lack of evidence as to the utility of blood cultures.ObjectiveOur aim was to determine the role of blood cultures in the management of complicated cellulitis.MethodsThis retrospective chart review assessed the utility of obtaining blood cultures in complicated cellulitis (as defined by active chemotherapy, dialysis, human immunodeficiency virus/acquired immune deficiency syndrome, diabetes, or organ transplantation) vs. a cohort of individuals without medical comorbidity.ResultsSix hundred and thirty-nine patients were identified, 314 of which were deemed cases and 325 controls. Within the cases, 29 of 314 returned as positive blood cultures vs. 17 of 325 positive blood culture controls within the cases (p = 0.05; odds ratio = 1.84; 95% confidence interval 0.99-3.43). A clinically significant change in management (a change in the class of antibiotic) was found in 6 of 314 cases vs. 4 of 325 controls (p = 0.578; odds ratio = 1.5525; 95% confidence interval 0.434-5.5541).ConclusionsWithin this cohort of patients with complicated cellulitis, blood cultures rarely changed management from empirical coverage.Copyright © 2013 Elsevier Inc. All rights reserved.

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