• B J Bobrow, C V Pollack, S Gamble, and R A Seligson.
• Department of Emergency Medicine, University Medical Center of Southern Nevada, Las Vegas, USA.
• Ann Emerg Med. 1997 Mar 1;29(3):404-8.

Study ObjectiveTo determine the prevalence of bacteremia associated with incision and drainage (I&D) of cutaneous abscesses in afebrile adult emergency department patients. Such information has implications for the ED management of immunocompromised patients, patients with history of endocarditis, and patients with prosthetic appliances such as heart valves and artificial joints.MethodsWe conducted a prospective clinical study in the adult ED of an urban tertiary care teaching hospital. Our subjects were afebrile patients aged 18 to 65 years with localized, nondraining, purulent cutaneous abscesses requiring outpatient surgical management. Before I&D, blood for aerobic and anaerobic blood culture was drawn under sterile conditions. The wound was opened and samples for aerobic wound culture were obtained. Two and 10 minutes after I&D, blood was again drawn, from separate venipunctures. All patients were discharged home with ED follow-up scheduled 48 hours later.ResultsFrom the 50 patients who completed the study, 150 blood samples (50 before and 100 after I&D) and 50 wound samples were obtained. No blood culture was positive, but 30 wound cultures (64%) were positive; the most commonly isolated organism was Staphylococcus aureus.ConclusionI&D of localized cutaneous abscesses in afebrile adults is unlikely to result in transient bacteremia. Larger studies are needed to determine whether routine antibiotic prophylaxis is necessary for afebrile patients undergoing I&D.

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