Publications by authors named "Bryan Yockey"

Article Synopsis
  • Recent mumps outbreaks in vaccinated college populations have raised concerns about the effectiveness of the two-dose MMR vaccine, prompting a study to determine the required vaccine effectiveness (VE) for a new vaccination strategy to prevent these outbreaks.
  • The study analyzed mumps outbreak data from 2016-2017 and estimated that the median VE of the MMR vaccine during these outbreaks was 60.5%, with a vaccination coverage (VC) of 97.5%.
  • To prevent significant outbreaks, maintaining a VC of 97.5% requires the new vaccination strategy to achieve a VE between 73.1% and 85.9%, especially among young adults on college campuses.
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Among 342 US infants with congenital cytomegalovirus treated with antivirals, 114 (33%) received ganciclovir (with or without valganciclovir) and 228 (67%) received valganciclovir only, for a median of 8 and 171 days, starting at a median of 15 and 45 days of life, respectively, with neutropenia diagnosed in 25% and 17%.

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Value-based healthcare in the US is a payment structure that ties reimbursement to quality rather than volume alone. One model of value-based care is the Tennessee Division of TennCare's Episodes of Care program, which groups common health conditions into episodes using specified time windows, medical code sets and quality metrics as defined in each episode's Detailed Business Requirements [1,2]. Tennessee's program assigns responsibility for an episode to a managing physician, presenting a unique opportunity to study physician variability in cost and quality within these structured episodes.

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Background: Clinicians and researchers use a variety of intrauterine growth curves to classify NICU infants as small (SGA), appropriate (AGA), or large for gestational age (LGA). Since curve creation methods and samples vary, SGA/AGA/LGA cut-offs and resulting subgroups of infants vary among curves and impact outcome study findings - limiting generalisability.

Aim: Determine how two international and two US-specific curves classified US NICU infants.

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