Recurrent Brain Abscess caused by Persistent Left Superior Vena Cava draining into Left Atrium : A Case Report

Key Points

• To report a rare case of recurrent brain abscess caused by persistent left superior vena cava (PLSVC) connecting to the left atrium.
• Clinical case of a patient with recurrent brain abscess due to bacterial infection from left periodontal disease.
• Utilized imaging techniques including contrast CT and microbubble test via echocardiogram to diagnose PLSVC.
• PLSVC was surgically ligated through chest surgery.
• Patient had recurrent brain abscess linked to PLSVC, confirmed by imaging.
• Microbubble test indicated the abnormal blood flow into the left atrium.
• Surgical ligation of PLSVC resulted in resolution of infection.