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Abstract
Objectives The primary objective of the study was to investigate how patterns of skin-to-skin care might impact infant early cognitive and communication performance.
Design This was a retrospective cohort study.
Setting This study took place in a level-IV all-referral neonatal intensive care unit in the Midwest USA specialising in the care of extremely preterm infants.
Participants Data were collected from the electronic medical records of all extremely preterm infants (gestational age <27 weeks) admitted to the unit during 2010–2011 and who completed 6-month and 12-month developmental assessments in the follow-up clinic (n=97).
Outcome measures Outcome measures included the cognitive and communication subscales of the Bayley Scales of Infant Development, Third Edition (Bayley-III); and skin-to-skin patterns including: total hours of maternal and paternal participation throughout hospitalisation, total duration in weeks and frequency (hours per week).
Analysis Extracted data were analysed through a multistep process of logistic regressions, t-tests, χ2 tests and Fisher's exact tests followed with exploratory network analysis using novel visual analytic software.
Results Infants who received above the sample median in total hours, weekly frequency and total hours from mothers and fathers of skin-to-skin care were more likely to score ≥80 on the cognitive and communication scales of the Bayley-III. However, the results were not statistically significant (p>0.05). Mothers provided the majority of skin-to-skin care with a sharp decline at 30 weeks corrected age, regardless of when extremely preterm infants were admitted. Additional exploratory network analysis suggests that medical and skin-to-skin factors play a parallel, non-synergistic role in contributing to early cognitive and communication performance as assessed through the Bayley-III.
Conclusions This study suggests an association between early and frequent skin-to-skin care with extremely preterm infants and early cognitive and communication performance.
- extreme prematurity
- NEONATOLOGY
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Footnotes
Contributors All authors contributed equally to this manuscript. JG and GB designed and conducted the study, analysed the biostatistical portion, and wrote and reviewed manuscript drafts. JG, WCR and RWR performed visual analytics, wrote sections of the manuscript, and reviewed and refined manuscript drafts.
Funding This project was supported by award number UL1TR001070 from the National Center for Advancing Translational Sciences.
Disclaimer The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Advancing Translational Sciences or the National Institutes of Health.
Competing interests None declared.
Ethics approval This study was approved by the Institutional Review Board of Nationwide Children's Hospital (IRB#13-00042) as an expedited study that meets the criteria for waiver of authorisation.
Provenance and peer review Not commissioned; externally peer reviewed.
Data sharing statement Data are stored on our internal, high-security server. De-identified data set is available on request.