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Early surgical intervention in culture-negative endocarditis of the aortic valve complicated by abscess in an infant: A case report.
World Journal of Clinical Cases 2021 December 17
BACKGROUND: Surgical therapy of infective endocarditis (IE) involving aortic valves and mitral valves is widespread. However, there are few reports concerning patients with culture-negative endocarditis complicated by the appearance of comorbid valvular perforation and abscess. Therefore, real-time surveillance of changes in cardiac structure and function is critical for timely surgical management, especially in patients who do not respond to medical therapy.
CASE SUMMARY: Here, we report an atypical case in a 9-mo-old infant without congenital heart disease but with symptoms of intermittent fever and macular rashes. Physical examination, laboratory tests, and electrocardiograms suggested a diagnosis of IE, although the result of blood cultures was exactly negative. After treatment with antibiotic drugs, the patient got a transient recovery. On the 9th day, we proceeded with continuous echocardiogram due to fever again and the results revealed aortic valve abscess with perforation, regurgitation, vegetation, and pericardial effusion. Intraoperative monitoring revealed aortic valve perforation, presence of apothegmatic cystic spaces below the left coronary cusp of the aortic valve, and severe aortic valve regurgitation. Aortic valve repair was performed by autologous pericardial patch plasty. The patient was discharged after 4 wk of treatment and no complications occurred after surgery.
CONCLUSION: Our case demonstrated the necessity of serial echocardiography monitoring for possible adverse symptoms of IE in pediatric patients.
CASE SUMMARY: Here, we report an atypical case in a 9-mo-old infant without congenital heart disease but with symptoms of intermittent fever and macular rashes. Physical examination, laboratory tests, and electrocardiograms suggested a diagnosis of IE, although the result of blood cultures was exactly negative. After treatment with antibiotic drugs, the patient got a transient recovery. On the 9th day, we proceeded with continuous echocardiogram due to fever again and the results revealed aortic valve abscess with perforation, regurgitation, vegetation, and pericardial effusion. Intraoperative monitoring revealed aortic valve perforation, presence of apothegmatic cystic spaces below the left coronary cusp of the aortic valve, and severe aortic valve regurgitation. Aortic valve repair was performed by autologous pericardial patch plasty. The patient was discharged after 4 wk of treatment and no complications occurred after surgery.
CONCLUSION: Our case demonstrated the necessity of serial echocardiography monitoring for possible adverse symptoms of IE in pediatric patients.
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