ArticleBMC pulmonary medicine2026
Metagenomic next-generation sequencing-guided management of descending mediastinitis and empyema caused by Segatella baroniae: a case report.
Article in BMC pulmonary medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDeep neck infections can rapidly progress to descending mediastinitis and empyema, both of which are associated with high morbidity and mortality. Early diagnosis and timely intervention are essential but can be challenging, particularly in infections caused by rare anaerobic pathogens. CASE PRESENTATION: We report a case of a 63-year-old man presenting with fever and neck pain. Computed tomography revealed extensive cervical emphysema and pneumomediastinum with a large right-sided empyema. The patient developed respiratory failure requiring endotracheal intubation. Endoscopic examination identified a retropharyngeal fistula, and thoracoscopic exploration confirmed communication between the mediastinum and pleural cavity. Combined cervical, mediastinal, and thoracic drainage was performed. Metagenomic next-generation sequencing identified Segatella baroniae as the predominant pathogen, guiding targeted antimicrobial therapy. The patient showed gradual clinical and radiological improvement and was discharged in good condition.
conclusionThis case highlights the importance of early recognition and aggressive surgical management in deep neck infections complicated by descending mediastinitis. Metagenomic next-generation sequencing may facilitate rapid pathogen identification and guide targeted therapy in complex anaerobic infections.
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