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Revista chilena de infectología

versión impresa ISSN 0716-1018

Resumen

SOTO, Andrés et al. Spondylodiscitis: clinical experience in a Chilean general hospital. Rev. chil. infectol. [online]. 2016, vol.33, n.3, pp.322-330. ISSN 0716-1018.  http://dx.doi.org/10.4067/S0716-10182016000300013.

Background: Spondylodiscitis (SD) involves long periods of hospitalization, diagnostic latency and risk of long-term complications. No updated series are available in Chile and a change in demographic features and etiology is suspected. Aim: To characterize a group of patients with SD. Patients and Methods: Clinical series including patients over an 8 year period. Results: We identified 37 patients; 37.8% women and 62.2% men (mean age 66.8 years); 64.9% were elderly; 35.1% had diabetes and 21.6% urological comorbidity. Main symptoms were pain and fever. Erythrocyte sedimentation rate was elevated in 89.2%, and 86.5% patients had MRI, which was always confirmatory. Lumbar spine was the most common site of infection (43.2%). Etiology was identified in 28/37 patients: 71.4% yielded grampositive cocci (Staphylococcus aureus predominantly), Mycobacterium tuberculosis was identified in only 10.7%. Staphylococcus aureus was associated to medical comorbidities (p < 0,05) and gramnegative bacilli to hepatobiliar or intestinal symptoms (p < 0,05). Culture obtained by a surgical procedure had the highest yield. The average duration of antibiotic therapy was 63.8 days (IQR 53-72). Treatment-related side effects were detected in 18.9% of patients. The average hospital stay was 38.9 days. No deaths occurred during hospitalization. Motor sequelae were present in 18.9% of this series. Discussion: Most patients with SD were older adults. Staphylococcus aureus was predominant and M. tuberculosis was uncommon. Antibiotic side effects were relevant as well as the neurological complications.

Palabras clave : Spondylodiscitis; vertebral osteomyelitis; spondylitis; bacteremia; Staphylococcus aureus.

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