Abstract
BackgroundInfective endocarditis (IE) is rare in children. Limited data have been reported on long-term outcomes of children who undergo surgery for IE. MethodsData were retrospectively obtained from medical records for all children who underwent surgery for IE. ResultsBetween 1987 and 2017, 138 children with IE required surgery (mean age, 8.3 ± 6.5 years). The majority of children (80.4% [111 out of 138]) had underlying cardiac structural anomalies. Prior heart surgery was performed in 50.7% of patients (70 out of 138), including 19.6% (27 out of 138) who had valve replacement. Operative mortality was 5.8% (8 out of 138). Mean follow-up time was 9.7 ± 7.6 years. Long-term survival at 5 and 25 years was 91.5% (95% confidence interval, 85.1%-95.2%) and 79.1% (95% confidence interval, 66.3%-87.5%), respectively. Risk factors associated with death were: age (hazard ratio [HR], 0.88; P = .015), prosthetic valve IE (HR, 3.86; P = .02), coagulase-negative staphylococci (HR, 4.52; P = .015), increased duration of preoperative antibiotic therapy (HR, 1.02; P = .009), shock (HR, 3.68; P = .028), and aortic valve replacement (HR, 3.22; P = .044). In patients with left-sided IE, risk factors independently associated with death were heart failure (HR, 18.8; P = .025) and vegetation size adjusted to body surface area (HR, 1.06; P = .008). Freedom from recurrent endocarditis was 94.7% (95% confidence interval, 87.7%-97.8%) at 25 years. ConclusionsChildren undergoing surgery for IE had good long-term survival and recurrence of IE was uncommon. Surgery during the active phase of endocarditis did not increase risk of mortality or reoperation. In patients with left-sided IE, vegetation size adjusted for patient body surface area was identified as a risk factor for death, and a useful indicator of prognosis.
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More From: The Journal of Thoracic and Cardiovascular Surgery
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