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[Prosthetic valve endocarditis]
12nd Affiliated Hospital, Jiangxi Medical College, Nanchang.
Abstract:
Five patients underwent heart valve replacement with prosthetic valve endocarditis (PVE). The mortality was 5.8% (5/87). The diagnosis of PVE mainly depended on clinical features: consistent fever in 5 patients, embolism in 3, petechias in 2, recurrence of heart murmur in 5, III degrees A-V block in 1, and positive echocardiography findings in 5, but their culture of blood were negative. All the five patients died of embolism, dysfunction of prosthetic valve, and serious heart failure. We emphasize that reoperation may be advisable to the patients.
Insights
Prosthetic valve endocarditis (PVE) is a serious complication after heart valve replacement, with a high mortality rate. Early diagnosis and intervention, potentially including reoperation, are crucial for improving patient outcomes.
Area of Science:
- Cardiology
- Infectious Diseases
- Surgical Innovation
Background:
- Prosthetic valve endocarditis (PVE) poses a significant risk following heart valve replacement surgery.
- Understanding the clinical presentation and diagnostic challenges of PVE is critical for timely intervention.
Observation:
- This study examined five patients diagnosed with PVE, all of whom presented with varied clinical signs including fever, embolism, and heart murmurs.
- Echocardiography showed positive findings in all cases, yet blood cultures remained negative, complicating diagnosis.
- Despite negative blood cultures, clinical manifestations strongly indicated PVE.
Findings:
- The mortality rate in this cohort was 5.8% (5/87), with all five PVE patients succumbing to complications.
- Causes of mortality included embolism, prosthetic valve dysfunction, and severe heart failure.
- Diagnosis relied heavily on clinical features and echocardiography due to negative blood cultures.
Implications:
- The findings highlight the critical need for prompt diagnosis and management of PVE, even with negative blood cultures.
- Reoperation is suggested as a potentially life-saving intervention for patients with PVE.
- Further research into diagnostic markers and treatment strategies for PVE is warranted.