Neonatal Nurses' Self-reported Practices, Knowledge, and Attitudes Toward Use of Maternal Voice for Preterm Infants.

BACKGROUND/SIGNIFICANCE: Infants born extremely premature (<1500 g) often experience lengthy stays in the challenging environment of the neonatal intensive care unit (NICU) separated from their parents. PURPOSE: The purpose of this study was to explore nurses' knowledge, attitude, and use of maternal voice as a therapeutic intervention for preterm infants in the NICU. METHODS: Neonatal nurses (n = 117) completed an online survey about the use of maternal voice in their individual units. Questions included: (1) previous knowledge surrounding use of maternal voice in the NICU; (2) their attitudes about using maternal voice recordings and/or live maternal speech as an intervention; (3) whether their unit had the necessary equipment and environment conducive to using the therapy; (4) average amount of time parents were in the NICU with their neonate; and (5) in what situations they would personally encourage the use of maternal recordings (during procedures, rounds, etc). RESULTS: Of those responding, 73.3% of nurse (n = 117) respondents agreed they were willing to incorporate maternal recordings into caregiving, with 80.8% indicating they were open to learning and employing different therapies to improve parental involvement in infant care. IMPLICATIONS FOR PRACTICE: When the appropriate equipment is available, neonatal nurses are interested and willing to use alternative therapies that incorporate parental participation into direct caregiving as well as utilizing maternal voice recordings. IMPLICATIONS FOR RESEARCH: Further research with larger, more diverse samples is needed to determine the current knowledge, attitudes, and practices of maternal voice recordings by NICU nurses. Future research can also focus on barriers to utilization of the therapy during daily care.

What Are the Effects of the Maternal Voice on Preterm Infants in the NICU?

BACKGROUND/SIGNIFICANCE: Premature infants often experience extended stays in the neonatal intensive care unit (NICU) as opposed to home with parents. This prolonged separation creates a strain for both parents and infants, decreasing attachment and parental caregiving. One strategy to combat this shared stress is increasing parental participation, particularly through the use of their voices whether parents are present or not. PURPOSE: This Evidence-Based Practice Brief column explores the connection between mother and child, specifically the effects of maternal voice on infant autonomic stability, weight gain, and behavioral states. METHODS: A systematic search of CINAHL, PubMed, and PsycInfo was used to identify studies involving the use of maternal voice intervention with preterm infants in the NICU. RESULTS: Fifteen studies were identified. Three intervention categories emerged: (1) live maternal speech, (2) recorded maternal speech (subcategories included whether intervention content was prescribed or not), and (3) recorded maternal speech that was combined with biological maternal sounds (heart rate). Within each category, studies were organized chronologically to reflect how knowledge has changed overtime. IMPLICATIONS FOR PRACTICE: Maternal voice has physiological as well as behavioral and emotional effect on preterm infants. Several studies found that maternal voice increased autonomic stability improving (heart rate and respirations) as well as weight gain. No negative effects were identified. Given these findings, incorporating different types of maternal voice into routine care by the bedside nurse can assist the mother in feeling more involved in her infant's care without seemingly being a distraction or obstacle to providers. IMPLICATIONS FOR RESEARCH: A major limitation for generalizability was sample size; more research is needed with larger sample sizes replicating interventions types to discern best outcomes.Video Abstract available at https://journals.lww.com/advancesinneonatalcare/Pages/videogallery.aspx?videoId=31&autoPlay=true.