Risk factors of incomplete apgar score and umbilical cord blood gas analysis: a retrospective observational study

Anne A.C. van Tetering, Joost van de Ven, Annemarie F. Fransen, Jeanne P. Dieleman, Pieter J. van Runnard Heimel, S. Guid Oei

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Abstract

Objective: To investigate whether incomplete umbilical cord blood gas (UCBG) analysis occurs more often than the incomplete reporting of the Apgar score, and risk factors associated with the incomplete values. Methods: A total of 8824 infants born alive after 26 weeks’ gestation between January 2009 and April 2013 were included. We extracted data on five-minute Apgar score, UCBG analysis, gestational age, mode of delivery, time of delivery and multiple pregnancy. Univariate and multivariable logistic regression analyses were performed. Results: Five-minute Apgar score was incomplete in 15 cases (0.2%) and UCBG analysis in 1960 cases (22.2%), p<0.05. Incomplete UCBG analysis was significantly more likely to occur in situations with Apgar score below seven (Odds ratio (OR) 1.68, 95% CI;1.29-2.19), gestational age between 26 to 27 6/7 and 28 to 31 6/7 weeks (OR 3.14, 95% CI; 2.13-4.62 and OR 1.91, 95% CI; 1.57-2.32), cesarean section (OR 1.31, 95% CI; 1.11-1.55), and multiple pregnancy (OR 2.02, 95% CI; 1.69-2.43). Deliveries during night time had a lower risk of incomplete UCBG analysis (OR 0.78, 95% CI; 0.69-0.88). Conclusions: Measuring five-minute Apgar score generated less incomplete data compared with UCBG analysis. The risk factors associated with incomplete UCBG analysis were noted. Study outcomes with UCBG analysis as neonatal assessment tool should be interpreted with caution.

Original languageEnglish
Pages (from-to)2539-2544
Number of pages6
JournalJournal of Maternal-Fetal and Neonatal Medicine
Volume30
Issue number21
DOIs
Publication statusPublished - Nov 2017

Keywords

  • Apgar score
  • Blood gas analysis
  • Epidemiology
  • Perinatal outcome
  • Umbilical cord
  • Blood Gas Analysis/statistics & numerical data
  • Humans
  • Data Collection
  • Neonatal Screening
  • Apgar Score
  • Retrospective Studies
  • Fetal Blood
  • Infant, Newborn

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