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Revista chilena de infectología

versión impresa ISSN 0716-1018

Resumen

PEREZ, M. Guadalupe et al. Osteo-articular infections by Kingella kingae in children in a highly complex pediatric hospital: epidemiology and associated factors. Rev. chil. infectol. [online]. 2020, vol.37, n.2, pp.157-162. ISSN 0716-1018.  http://dx.doi.org/10.4067/s0716-10182020000200157.

Background:

The epidemiology of osteoarticular infections (IOA) has changed in recent years. The incidence of Kingella kingae in Latin America is unknown.

Aims:

To describe the epidemiology in patients with IOA in a children hospital. To estimate the incidence of IOA due to K. kingae and compare with other etiologies.

Methods:

Prospective cohort. Patients older than 1 month hospitalized between March, 1th 2017 and February, 28th 2019 with suspected IOA and diagnostic procedure (biopsy or arthrocentesis) were included. STATA 13 was used.

Results:

n: 84 patients. The etiology was identified in 58 patients (69.1%). Staphylococus aureus predominated (n: 44; 52.4%) and K. kingae (n: 9; 10.8%). In the period studied, the incidence of IOA by K. kingae was 10.8 cases per 100 hospitalized IOA. In multivariate analysis, age less than 4 years (OR 13.8, 95% CI 5.5-82.7), recent respiratory symptoms (OR 5.7, 95% CI 3.5-31.6, p 0.04) and normalization before the fifth day of C-reactive protein (CRP) (OR 3.38 95% CI 1.8-16.3, p 0.01) were associated with IOA by K. kingae.

Conclusions:

In this cohort of children the incidence of K. kingae was 10.8 cases per 100 IOA. Kingella kingae represented the second documented etiology, after S. aureus. Age under 4 years, recent respiratory symptoms and normalization before the fifth day of quantitative CRP were statistically associated with IOA by K. kingae.

Palabras clave : Osteoarthritis; septic arthritis; children; Staphylococcus aureus; Kingella kingae.

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