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  • Title: Skin-to-Skin Contact at Birth for Very Preterm Infants and Mother-Infant Interaction Quality at 4 Months: A Secondary Analysis of the IPISTOSS Randomized Clinical Trial.
    Author: Lilliesköld S, Lode-Kolz K, Rettedal S, Lindstedt J, Linnér A, Markhus Pike H, Ahlqvist-Björkroth S, Ådén U, Jonas W.
    Journal: JAMA Netw Open; 2023 Nov 01; 6(11):e2344469. PubMed ID: 38032643.
    Abstract:
    IMPORTANCE: Good-quality parent-infant interactions have protective effects on infant socio-emotional and behavioral development. These interactions are especially critical for very preterm infants at risk of vulnerabilities related to immaturity. Skin-to-skin contact (SSC) has been found to improve mother-preterm infant interaction behaviors, but few studies exist regarding its benefits when initiated immediately after birth. OBJECTIVE: To determine the effect of immediate SSC at birth for very preterm infants on mother-infant interaction quality at 4 months of corrected age. DESIGN, SETTING, AND PARTICIPANTS: This secondary analysis used data from the Immediate Parent-Infant Skin-to-Skin Study (IPISTOSS), a randomized clinical trial conducted between April 1, 2018, and June 30, 2021, at 3 neonatal units in Sweden and Norway. Participants included very preterm infants (28-33 gestational weeks of age) and their parents. Four-month follow-up was concluded in December 2021. Data analyses were performed on March 16 and September 18, 2023. INTERVENTION: Infants were allocated to standard incubator care or SSC with either parent initiated at birth and continued throughout the first 6 hours after birth. MAIN OUTCOMES AND MEASURES: The primary outcome was mother-infant interaction quality as measured with the Parent-Child Early Relational Assessment (PCERA), based on video recordings of a 5-minute free-play situation with mother-infant dyads at 4 months of corrected age. A multilevel regression analysis was performed. RESULTS: This analysis included 71 infants (31 twins [44%]) and 56 mothers. Infants had a mean (SD) gestational age of 31 weeks 3 (1.3) days, and more than half were male (42 [59%]); mothers had a mean (SD) age of 32 (4.9) years. There were 37 infants allocated to standard care and 34 to SSC with either parent after birth. During the first 6 hours after birth, fathers provided more SSC than mothers, with a median (IQR) of 3.25 (2.25-4.5) and 0.75 (0-2.5) hours, respectively. A statistically significant difference in 1 of 5 PCERA subscales (subscale 3: infant positive affect, communicative and social skills) was observed, with higher-quality mother-infant interaction in the SSC group at 4 months (Cohen d = 0.67 [95% CI, 0.17 to 1.17]; P = .01). This effect remained significant when adjusting for primiparity, child sex, and observation setting. CONCLUSIONS AND RELEVANCE: In this study of the effect of immediate parent-infant SSC after very preterm birth, SSC was beneficial for the mother-infant relationship. These findings suggest that immediate SSC should be supported in the clinical setting. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03521310.
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