Abstract
Background: Many international governing bodies recommend against heart transplantation in patients with severe cognitive-behavioral disabilities, however no clear criteria are offered to define severity. Patients with neurodevelopmental disorders may face systematic discrimination when being evaluated for transplant. We set out to investigate whether children with neurodevelopmental disorders that undergo heart transplantation have poorer in-hospital outcomes compared to neurotypical children. Methods: A retrospective analysis of the National Inpatient Sample database was conducted to identify pediatric patients with neurodevelopmental disorders who underwent heart transplantation from 2011–2019. Baseline characteristics and in-hospital outcomes between patients were compared. Binary logistic regression was used to investigate the association between the documented presence of a neurodevelopmental disorder and in-hospital outcomes in children undergoing heart transplantation. Results: We identified a weighted sample of 3770 pediatric cardiac transplant patients, of whom 245 (6.5%) had a documented diagnosis of neurodevelopmental disorder. There was no significant difference in the odds of major adverse cardiovascular events (all-cause mortality, stroke complications or myocardial infarction), surgical complications, infection, venous thromboembolic events, delirium/restraint use, or cardiac dysrhythmia. Patients with neurodevelopmental disorders had lower overall length of stay (44.0 days interquartile range (IQR): 16.0–90.0 vs. 57.08 days IQR: 22.0–112.0, p < 0.050), and cost of stay ($956,031 IQR: 548,559.0–1,801,412.0 vs. $1,074,793 IQR: 599,089.8–2,129,086.0, p < 0.050). Patients with neurodevelopmental disorders had significantly lower odds of acute transplant complications (adjusted odds ratio (aOR): 0.39, 95% confidence interval (CI): 0.21–0.74, p < 0.050) vascular complications (aOR: 0.36, 95% CI: 0.19–0.66, p < 0.050) and acute kidney injury (AKI) (aOR: 0.52, 95% CI: 0.33–0.83, p < 0.050). Conclusions: These data suggest that patients with neurodevelopmental disorders have overall similar if not potentially improved post-transplant outcomes in the acute setting compared to neurotypical patients, possibly secondary to selection bias in the patient selection process.
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