Journal Article

Clinical Findings, Therapeutic Approach, and Outcome of Brucellar Vertebral Osteomyelitis

Juan D. Colmenero, Juan D. Ruiz-Mesa, Antonio Plata, Pilar Bermúdez, Patricia Martín-Rico, María I. Queipo-Ortuño and José M. Reguera

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 46, issue 3, pages 426-433
Published in print February 2008 | ISSN: 1058-4838
Published online February 2008 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/525266
Clinical Findings, Therapeutic Approach, and Outcome of Brucellar Vertebral Osteomyelitis

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Background.Osteoarticular complications are the most common focal complications of brucellosis. Although vertebral osteomyelitis is the most frequent location in adults >30 years of age, little information is available about this serious complication of brucellosis, and great confusion surrounds its prognosis and the most appropriate treatment.

Methods.We undertook a descriptive, retrospective, observational study of 96 patients who received a diagnosis of brucella vertebral osteomyelitis from September 1982 through December 2005 at a tertiary care hospital. All of the patients were treated for 3 months, after which they were followed up monthly for the first 3 months and then at 2-month intervals for the subsequent 6 months.

Results.The incidence of vertebral osteomyelitis was 10.4%. The mean diagnostic delay was 12.7 weeks. Inflammatory spinal pain (occurring in 94.8% of patients) and fever (91.7%) were the most relevant clinical characteristics. Eight patients (8.3%) had motor weakness or paralysis. Paravertebral masses, epidural masses, and psoas abscesses were detected in 45.8%, 27.1%, and 10.4% of patients, respectively. Sixty-three patients (65.6%) received medication only, and 33 (34.4%) required surgical therapy in addition to medication. Twenty percent of patients experienced therapeutic failure. Attributable mortality was 2.1%, and severe functional sequelae were apparent in 6.2% of the patients. No significant differences were seen between patients who were treated with doxycycline-streptomycin and those treated with doxycycline-rifampicin.

Conclusions.Vertebral osteomyelitis is a serious complication of brucellosis. It generates a high rate of therapeutic failure and functional sequelae. In the absence of more-powerful controlled studies, the duration of treatment of brucellar vertebral osteomyelitis should be 3 months

Journal Article.  3988 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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