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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Most infections by group B streptococcus of the Lancefield classification <span class="elsevierStyleItalic">&#40;Streptococcus agalactiae&#41;</span>&#44; were reported in pregnant women or during the puerperal period&#44; as well as in neonates&#46; During the past three decades there have been reports of increasingly invasive infections in adults unrelated to pregnancy&#44; although arthritis and osteomyelitis are still very rare&#46; In this article&#44; we describe four new adult patients with arthritis by <span class="elsevierStyleItalic">S&#46; agalactiae</span> &#40;two postmenopausal women and two men&#41;&#44; two of them with affection of the sternoclavicular joint&#46; We also review the medical literature&#46;</p>"
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Vol. 6. Issue 3.
Pages 148-152 (May - June 2010)
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Vol. 6. Issue 3.
Pages 148-152 (May - June 2010)
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Pyogenic arthritis caused by Streptococcus agalactiae: report of four cases and a review of the literature
Artritis piógena por Streptococcus agalactiae. Aportación de cuatro casos y revisión de la literatura
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Norberto Gómez Rodrígueza,
Corresponding author
, Yolanda Penelas-Cortés Bellasb, María Luisa Chorén Duránb, María del Carmen de la Puenteb
a Unidad de Reumatología, Hospital POVISA, Vigo, Spain
b Servicio de Codificación Diagnóstica, Hospital POVISA, Vigo, Spain
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Abstract

Most infections by group B streptococcus of the Lancefield classification (Streptococcus agalactiae), were reported in pregnant women or during the puerperal period, as well as in neonates. During the past three decades there have been reports of increasingly invasive infections in adults unrelated to pregnancy, although arthritis and osteomyelitis are still very rare. In this article, we describe four new adult patients with arthritis by S. agalactiae (two postmenopausal women and two men), two of them with affection of the sternoclavicular joint. We also review the medical literature.

Keywords:
Streptococcus agalactiae
Pyogenic artritis
Prosthetic joint
Sternoclavicular joint
Resumen

En su mayoría, las infecciones por estreptococos del grupo B de la clasificación de Lancefield (Streptococcus agalactiae) afectan a mujeres gestantes o durante el puerperio, así como a neonatos. Durante las tres últimas décadas, se han comunicado cada vez más infecciones invasivas en adultos sin relación con la gestación, aunque las artritis y osteomielitis siguen siendo muy poco frecuentes. En este artículo, describimos 4 nuevos pacientes adultos con artritis séptica por S. agalactiae (2 mujeres posmenopáusicas y 2 varones), dos de ellos con afectación esternoclavicular, y realizamos una revisión de la literatura.

Palabras clave:
Streptococcus agalactiae
Artritis piógena
Prótesis articular
Articulación esternoclavicular
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