Gemella morbillorum infective endocarditis: A case report and literature review
2023
Cao Xuejie | Yuan Lichao
Infective endocarditis (IE) caused by Gemella morbillorum is rare. Consequently, little is known about the natural course of endocarditis caused by this pathogen. This report describes the case of a 37-year-old male patient with G. morbillorum endocarditis. The patient was hospitalized for a fever of unknown origin. He complained of intermittent fever of unknown origin for 2 months. He had also undergone root canal therapy for pulpitis a month ago. After admission, the infectious pathogen G. morbillorum was identified using metagenomic next-generation sequence technology. The anaerobic blood culture bottle showed only Gram-positive cocci. Transthoracic echocardiography showed 10 mm vegetation on the aorta, which met the IE diagnostic Duke’s criteria, and the patient was diagnosed with G. morbillorum IE. Because no bacterial colonies were formed on the culture, the drug sensitivity test could not be conducted. Ceftriaxone anti-infective drugs are based on careful consideration of the literature and patient. Six days after antibiotic treatment in our department, the patient was discharged from the hospital in stable condition and had no adverse reactions at 1 week of follow-up. To help clinicians better understand the disease of G. morbillorum IE, we also reviewed and discussed the relevant cases published after 2010 when presenting the report.
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