Increasing incidence and geographic distribution of neonatal abstinence syndrome: United States 2009 to 2012

S. W. Patrick, M. M. Davis, C. U. Lehmann, W. O. Cooper

Research output: Contribution to journalArticle

Abstract

Neonatal abstinence syndrome (NAS), a postnatal opioid withdrawal syndrome, increased threefold from 2000 to 2009. Since 2009, opioid pain reliever prescriptions and complications increased markedly throughout the United States. Understanding recent changes in NAS and its geographic variability would inform state and local governments in targeting public health responses.Study design:We utilized diagnostic and demographic data for hospital discharges from 2009 to 2012 from the Kids' Inpatient Database and the Nationwide Inpatient Sample. NAS-associated diagnoses were identified utilizing International Classification of Diseases, Ninth Revision, Clinical Modification codes. All analyses were conducted with nationally weighted data. Expenditure data were adjusted to 2012 US dollars. Between-year differences were determined utilizing least squares regression.Results:From 2009 to 2012, NAS incidence increased nationally from 3.4 (95% confidence interval (CI): 3.2 to 3.6) to 5.8 (95% CI 5.5 to 6.1) per 1000 hospital births, reaching a total of 21 732 infants with the diagnosis. Aggregate hospital charges for NAS increased from $732 million to $1.5 billion (P

Original languageEnglish (US)
Pages (from-to)650-655
Number of pages6
JournalJournal of perinatology : official journal of the California Perinatal Association
Volume35
Issue number8
DOIs
StatePublished - Aug 30 2015
Externally publishedYes

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Pediatrics, Perinatology, and Child Health

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