Septic pulmonary embolism associated with periodontal disease: a case report and literature review

Septic pulmonary embolism associated with periodontal disease: a case report and literature review

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Abstract Background Periodontal disease, including periodontitis, has been reported to be a rare cause of septic pulmonary embolism (SPE).It is however extremely difficult to isolate the causative pathogen of periodontal disease-associated SPE from blood cultures of these patients.Case presentation In this study, an 85-year-old Japanese man was admitted with fever and worsening malaise.He was later noted to have multiple bilateral a&d ej-123 subpleural pulmonary nodules on chest computed tomography scan.After admission, Parvimonas micra (P.

micra) was isolated from his blood culture.This was followed by a meticulous search for the primary source of SPE, focusing on the head and neck areas.Consequently, apical periodontitis and infratemporal fossa abscess were identified as the primary sources of SPE.Although P.micra is one of the most frequently detected bacteria in the infected root canals of teeth with chronic apical periodontitis, it has rarely been proven as a causative pathogen of periodontal disease-associated SPE.

Conclusions This case study demonstrated that periodontal disease is an important primary source of SPE and P.micra hyfrodol could be a causative pathogen of SPE.