Fatal septic embolism due to Staphylococcus lugdunensis-induced bacteremia.

Staphylococcus lugdunensis infective endocarditis (IE) is very rare in children. A female neonote presented with fever on the 29th postoperative day after undergoing a modified Norwood procedure (right ventricular-pulmonary artery [RV-PA] conduit). Blood cultures were positive for S. lugdunensis. Echocardiography did not demonstrate vegetation. Therefore, we made a diagnosis of catheter-related bacteremia instead of IE. Cultures were negative 3 days after treatment initiation with intravenous vancomycin. One month after discharge, she developed acute hypoxia and could not be revived because of obstruction of RV-PA conduit with large vegetation. Even in S. lugdunensis bacteremia without IE, surgical treatment should be considered early.

Citation

Motonori Ishidou, Kazuyoshi Kanno, Masaya Murata, Keiichi Hirose, Akio Ikai, Kisaburo Sakamoto. Fatal septic embolism due to Staphylococcus lugdunensis-induced bacteremia. General thoracic and cardiovascular surgery. 2021 Jun;69(6):993-995

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PMID: 33394239

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