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Inicio Medicina Clínica (English Edition) Risk factors associated with osteomyelitis due to Corynebacterium striatum in pa...
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Vol. 162. Issue 1.
Pages 15-18 (January 2024)
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Vol. 162. Issue 1.
Pages 15-18 (January 2024)
Brief report
Risk factors associated with osteomyelitis due to Corynebacterium striatum in patients with diabetic foot
Factores de riesgo asociados a osteomielitis por Corynebacterium striatum en pacientes con pie diabético
María del Mar Bermejo Olanoa, Carolina Campelo Gutierrezb, Rafael Hervas Gómezc, Jesús Manuel Alfayate Garcíad, Juan Pedro Sánchez Ríosd, Leonor Moreno Núñezc,
Corresponding author
lmorenon@salud.madrid.org

Corresponding author.
a Servicio de Medicina Interna, Hospital Universitario Fundación Alcorcón, Madrid, Spain
b Servicio de Microbiología, Hospital Universitario Fundación Alcorcón, Madrid, Spain
c Unidad de Infecciosas, Hospital Universitario Fundación Alcorcón, Madrid, Spain
d Servicio de Cirugía Vascular, Hospital Universitario Fundación Alcorcónr, Madrid, Spain
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Tables (2)
Table 1. Demographic, clinical and infection-related characteristics of patients with C. striatum osteomyelitis compared to the control group (osteomyelitis caused by another micro-organism).
Table 2. Univariate and multivariate analysis.
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Abstract
Objective

Corynebacterium striatum (CS) is an emerging micro-organism in diabetic foot infection for which there are currently few studies. The objective was to analyze the risk factors (RF) related to CS osteomyelitis in patients with diabetic foot.

Methods

A case–control study was conducted in the Diabetic Foot Unit between 2015 and 2021. Forty-four patients with osteomyelitis due to CS (cases) and 44 patients with osteomyelitis due a different micro-organism (controls) were included.

Results

Peripheral artery disease (OR: 2.8, p = 0.037), atrial fibrillation (OR: 3.7, p = 0.034), ischemic diabetic foot (OR: 3.3, p = 0.020) and previous prolonged antibiotic therapy more than 14 days (OR: 3.4, p = 0.012) were identified as RF for osteomyelitis due to CS. When performing the multivariate analysis antibiotic therapy >14 days was independent RF (OR: 3.46; p = 0.017).

Conclusions

Previous antibiotic therapy received more than 14 days is an independent and statistically significant RF for CS osteomyelitis in patients with diabetic foot.

Keywords:
Corynebacterium striatum
Osteomyelitis
Diabetic foot
Resumen
Objetivo

Corynebacterium striatum (C. striatum) es un microorganismo emergente en la infección de pie diabético poco estudiado. El objetivo es evaluar los factores de riesgo (FR) relacionados con osteomielitis por C. striatum en paciente con pie diabético.

Métodos

Estudio casos-controles en la Unidad de Pie Diabético entre 2015 y 2021. Un número de 44 pacientes con osteomielitis por C. striatum (casos) y 44 con osteomielitis por microorganismo distinto (controles) fueron incluidos.

Resultados

Enfermedad arterial periférica (odds ratio [OR]: 2,8, p = 0,037), fibrilación auricular (OR: 3,7, p = 0,034), pie diabético isquémico (OR: 3,3, p = 0,020) y antibioterapia previa prolongada más de 14 días (OR: 3,4, p = 0,012) fueron FR para la osteomielitis por C. striatum. En el análisis multivariado la antibioterapia más de 14 días fue el único FR independiente (OR: 3,46; p = 0,017) para osteomielitis por C. striatum.

Conclusiones

La antibioterapia previa recibida durante más de 14 días es un FR independiente y estadísticamente significativo de osteomielitis por C. striatum en pacientes con pie diabético.

Palabras clave:
Corynebacterium striatum
Osteomelitis
Pie diabético

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