Publications by authors named "Riley Sevensky"

Background: Autograft durability and remodeling are thought to be superior in younger pediatric patients after the Ross operation. We sought to delineate the fate of autografts across the pediatric age spectrum in patients with primary aortic stenosis (AS).

Methods: We retrospectively reviewed patients age ≤18 years with primary AS who underwent the Ross operation between 1993 and 2020.

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Novel therapeutics are emerging to mitigate damage from perinatal brain injury (PBI). Few newborns with PBI suffer from a singular etiology. Most experience cumulative insults from prenatal inflammation, genetic and epigenetic vulnerability, toxins (opioids, other drug exposures, environmental exposure), hypoxia-ischemia, and postnatal stressors such as sepsis and seizures.

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Article Synopsis
  • The study assesses the durability of the Inspiris Resilia prosthesis as a surgical pulmonary valve replacement (PVR) compared to non-Inspiris options, focusing on performance data from patient surgeries between 2018 and 2022.
  • Results show that the Inspiris valve group had significantly lower rates of freedom from valve failure and moderate pulmonary regurgitation after two years compared to non-Inspiris patients, highlighting concerns over its performance.
  • The findings suggest that the Inspiris valve performs worse when implanted in the native right ventricular outflow tract versus as a conduit, indicating that different techniques or alternative valves may be necessary for better outcomes.
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Opioid use during pregnancy continues to rise at alarming rates with a parallel trend in the number of infants and children exposed to opioid medications each year. Prenatal opioid exposure (POE) occurs at a critical timepoint in neurodevelopment disrupting intricate pathways essential for neural-immune maturation with the potential for devastating long-term consequences. Understanding the mechanisms underlying injury associated with POE is essential to address long-term outcomes and identify diagnostic and therapeutic biomarkers in this vulnerable patient population.

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Globally, approximately 11% of all infants are born preterm, prior to 37 weeks' gestation. In these high-risk neonates, encephalopathy of prematurity (EoP) is a major cause of both morbidity and mortality, especially for neonates who are born very preterm (<32 weeks gestation). EoP encompasses numerous types of preterm birth-related brain abnormalities and injuries, and can culminate in a diverse array of neurodevelopmental impairments.

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