Background In neonatal intensive care units (NICUs), mothers are encouraged to express their milk using an electric breast pump. This practice is promoted by nurses and neonatologists due to its beneficial outcomes for newborns. Compared to newborns exclusively fed commercial infant formula, preterm newborns fed breast milk (BM) are less likely to suffer from necrotizing enterocolitis and late-onset sepsis. However, the discomfort associated with using an electrical pump may discourage its use, and almost all mothers start expressing their BM after a premature birth but many stop after a few weeks due to fatigue and stress. Therefore, virtual reality (VR), an immersive experience, seems to be an interesting option as it would provide a relaxing environment and distract mothers of newborns in NICU from the stress and discomfort experienced in order to promote breast milk expression. Aim The aim of this within-subject, pilot clinical trial is to assess the feasibility, acceptability, and preliminary effects of VR on stress, discomfort, and volume of expressed milk in mothers of preterm newborns. Methods Design: Within-subject, randomized pilot clinical trial in which participants are their own control. Setting and sample: Level 3 neonatal intensive care unit (NICU) at a Montreal pediatric teaching university center. Newborns under 29 weeks of age were chose to ensure that newborns would be admitted and remain in the NICU. The objective is to recruit 20 mothers of premature newborns. This will correspond to a total sample of 40 participants as they will be their own control. There will be 50% more mothers recruited (10) to compensate for the usually high attrition or rejection rate for this population, thus a total sample of 30 mothers. Healthcare professionals (nurses and doctors) providing care to participating mothers will be asked to fill a questionnaire on the feasibility of the VR intervention. Randomization and exposure to the interventions: The sequence of exposure to VR will be randomized, not the participants: sequence of 2 days with VR and 2 days without VR. The study will take place over the course of one week. Participating mothers will either be exposed to VR for a minimum of 2 sessions of 30 minutes/day for two days and the following two days to the control intervention or the opposite.
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The feasibility of VR with healthcare professionals
Timeframe: To be reported at the end of the study participation period (1 week).
Mothers' acceptability and satisfaction of VR
Timeframe: Mothers' acceptability will be measured at the end of the study participation (1 week).
Volume of milk expressed in a day
Timeframe: It will be assessed every time mothers express their milk and the diary will be collected at the end of study participation (1 week).