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  • Title: Outcomes of surgery for infective endocarditis in children: A 30-year experience.
    Author: Khoo B, Buratto E, Fricke TA, Gelbart B, Brizard CP, Brink J, d'Udekem Y, Konstantinov IE.
    Journal: J Thorac Cardiovasc Surg; 2019 Nov; 158(5):1399-1409. PubMed ID: 31383559.
    Abstract:
    BACKGROUND: Infective endocarditis (IE) is rare in children. Limited data have been reported on long-term outcomes of children who undergo surgery for IE. METHODS: Data were retrospectively obtained from medical records for all children who underwent surgery for IE. RESULTS: Between 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. CONCLUSIONS: Children 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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