Abstract
Introduction: Surgical approaches have historically been the mainstay for aortic valve replacement in children and adults, while transcatheter approaches have been increasingly utilized in adults with rare use in children. We hypothesized that short-term outcomes for native aortic valve replacement are comparable between the surgical (SAVR) or transcatheter (TAVR) approach in children. Methods: Patients < 21 years who had native SAVR or TAVR between January 2010 to April 2020 at our institution were included. Analysis focused on short-term outcomes for ages 10-21. SAVR and TAVR were compared using a composite outcome score (stroke within 6 months, readmission within 30 days, death). Pre- and post-procedural characteristics were compared using chi-squared test or Wilcox rank sum test as appropriate. Results: Of 77 patients included, 46 were 10-21 yrs (30 SAVR, 16 TAVR). Mean follow-up was 3.7 yrs for the SAVR group and 1.7 yrs for the TAVR group. There was no significant difference in the composite score between groups (3 SAVR, 2 TAVR; p = 1). Patients in the SAVR group were more likely to have undergone concomitant surgical intervention (e.g., Konno procedure, mitral valve repair/replacement, etc.) and have longer hospital stays (Table 1). Death in the SAVR group was secondary to patient non-compliance with recommended medications and follow-up, resulting in severe aortic stenosis with cardiogenic shock and respiratory failure. Death in the TAVR group was secondary to endocarditis of the valve and associated stroke, which converted from ischemic to hemorrhagic following surgical intervention. Conclusion: Our study suggests similar short-term outcomes for TAVR and SAVR in children and young adults > 10 years of age. Long-term studies are essential in the pediatric population to fully explore the option of transcatheter aortic valve replacement as an alternative to surgical aortic valve replacement.
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