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Clin Infect Dis. 2001 Jul 1;33(1):35-40. Epub 2001 Jun 5.

Risk factors for skin and soft-tissue abscesses among injection drug users: a case-control study.

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1
Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA 94143-0884, USA. murphy@itsa.ucsf.edu

Abstract

Skin and soft-tissue abscesses, a common problem among injection drug users (IDUs), result in serious morbidity for the patient and costly hospitalizations for incision and drainage; however, there has been little etiologic or preventive epidemiologic research on this problem. We performed a case-control study that enrolled 151 IDUs who had been given a new diagnosis of abscess requiring incision and drainage (cases) and 267 IDUs who did not have abscess or other bacterial infection during the previous year and who were stratum-matched to cases according to age, sex, and race (controls). Subcutaneous or intramuscular, instead of intravenous, injection is a major risk factor for abscess among IDUs. The injection of a cocaine and heroin mixture, or "speedball," may predispose patients to develop abscess by inducing soft-tissue ischemia. Cleaning the skin with alcohol before injection was found to have a protective effect. Neither human immunodeficiency virus nor human T-lymphotropic virus type II seropositivity was significantly associated with abscess.

PMID:
11389492
DOI:
10.1086/320879
[Indexed for MEDLINE]
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