Key result
Treatment with ceftriaxone and gentamicin followed by surgical VSD closure successfully resolved right-sided infective endocarditis caused by Abiotrophia defectiva without recurrence.
Why the study?
There have been no prior reports of right-sided infective endocarditis with ventricular free wall vegetation caused by Abiotrophia defectiva.
Case Report (n=1)
No
This case highlights the successful medical and surgical management of a rare presentation of right-sided infective endocarditis caused by Abiotrophia defectiva in a patient with an unrepaired VSD.
May guide rare Abiotrophia defectiva right-sided IE management; hypothesis-generating and leaves optimal regimens open.
To our knowledge, there have been no reports of right-sided infective endocarditis (RSIE) with ventricular free wall vegetation caused by Abiotrophia defectiva. We herein report a case of RSIE caused by A. defectiva with ventricular free wall vegetation in a 27-year-old man with ventricular septal defect (VSD). Computed tomography showed multiple bilateral pulmonary nodular shadows. Transesophageal echocardiography (TEE) demonstrated right ventricular free wall vegetation at the jet stream. Blood culture revealed A. defectiva. These findings are consistent with a diagnosis of infective endocarditis and septic pulmonary embolism. Treatment with ceftriaxone and gentamicin and subsequent surgical VSD closure improved the patient's condition without recurrence.
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Miyawaki et al. (2022) conducted a case report in Right-sided infective endocarditis caused by Abiotrophia defectiva (n=1). Antibiotic therapy (ceftriaxone and gentamicin) and surgical VSD closure was evaluated on Clinical recovery and resolution of infection. Treatment with ceftriaxone and gentamicin followed by surgical VSD closure successfully resolved right-sided infective endocarditis caused by Abiotrophia defectiva without recurrence.
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