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Evolving Cost-Quality Relationship in Pediatric Heart Surgery.

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Hospital costs for pediatric congenital heart surgery vary significantly but do not correlate with most quality outcomes. Longer hospital stays, especially in intensive care for high-risk cases, were linked to higher costs, suggesting targets for value-based care.

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Area of Science:

  • Pediatric cardiac surgery
  • Health economics
  • Healthcare quality improvement

Background:

  • The relationship between hospital quality and costs for pediatric congenital heart surgery is not well understood.
  • Previous studies have yielded conflicting results, despite improvements in clinical outcomes.
  • Optimizing healthcare value for this patient population remains a key objective.

Purpose of the Study:

  • To examine the association between hospital costs and quality metrics in a large cohort of children undergoing congenital heart surgery.
  • To identify factors contributing to cost variability in pediatric cardiac surgery.
  • To inform value-based healthcare initiatives.

Main Methods:

  • Utilized data from The Society of Thoracic Surgeons Congenital Database and Pediatric Health Information Systems (2010-2015).
  • Analyzed in-hospital cost variability using Bayesian hierarchical models, adjusting for case-mix.
  • Evaluated quality metrics including mortality, complications, and postoperative length of stay (PLOS).

Main Results:

  • Included 45,315 patients across 32 hospitals; median adjusted costs varied by 32% between high and low cost tertiles.
  • No significant differences in mortality or complications were found across cost tertiles.
  • Postoperative length of stay (PLOS) varied, particularly in high-risk cases (STS-ECATS categories 4 and 5) and intensive care unit stays.

Conclusions:

  • Contemporary congenital heart surgery costs differ significantly across hospitals but are not linked to most quality indicators.
  • Cost variability is associated with PLOS, especially for intensive care unit stays and high-risk procedures.
  • Targeting care processes that influence PLOS may enhance value-based initiatives in pediatric cardiac surgery.