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Stress From the Neonatal Intensive Care Unit to Home: Paternal and Maternal Cortisol Rhythms in Parents of Premature Infants

Garfield Craig F. MD MAPP; Simon, Clarissa D. PhD; Rutsohn, Joshua MPH; Lee, Young S. PhD
The Journal of Perinatal & Neonatal Nursing: Post Author Corrections: November 30, 2017
doi: 10.1097/JPN.0000000000000296
Original Article: PDF Only

To examine cortisol diurnal rhythms over the transition from the critical care setting to home for fathers and mothers of very low-birth-weight infants, including how cortisol is associated with psychosocial stress and parenting sense of competence. This cohort study in a level III neonatal intensive care unit and the general community had 86 parents complete salivary collection and self-reported psychosocial measures. Salivary samples were collected 3 times a day on the day before discharge, and on 3 subsequent days at home. Self-report measures included the Perceived Stress Scale and the Parenting Sense of Competence Scale, which measure parenting satisfaction. Fathers showed increased physiologic stress over the transition home, reflected by flattening of slopes, lower wakeup, and higher bedtime cortisol. Mothers reporting increases in perceived stress over the transition home had higher bedtime cortisol, suggesting a link between higher perceived stress and higher physiologic stress. Results were significant after controlling for breastfeeding, insurance status, and gestational age. This study examined a physiologic marker of stress in parents with very low-birth-weight infants, finding sex disparities in diurnal cortisol patterns during the transition from neonatal intensive care unit to the community. Fathers may be especially susceptible to stressors during this transition.

Corresponding Author: Craig F. Garfield, MD, MAPP, Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611 (c-garfield@northwestern.edu).

The authors acknowledge that all phases of this research were supported by grant #R21 HS20316 from the Agency for Health Research and Quality. This funding source had no involvement in the study design, collection, analysis, or interpretation of data, in writing of this report, or in the decision to submit the article for publication.

Disclosure: The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

Submitted for publication: January 19, 2017; accepted for publication: February 7, 2017.

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