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Published on: November 2, 2015
Incidence of Intermittent Hypoxemia Increases during Clinical Care and Parental Touch in Extremely Preterm Infants
Stephanie Margarete Mueller1, Benjamin W Ackermann2, Sven Martin1
1Haptic Research Lab, Paul-Flechsig-Institute for Brain Research and Neuropathology, University of Leipzig, Leipzig, Germany.
Insights
Intermittent hypoxemia (IH) in extremely preterm infants is reduced by skin-to-skin contact and parental care, but surprisingly increased by incubator touch. Further research is needed to optimize handling strategies.
Area of Science:
- Neonatology
- Pediatric Critical Care
- Developmental Pediatrics
Background:
- Intermittent hypoxemia (IH) in extremely preterm infants is linked to adverse developmental outcomes, disability, and mortality.
- Optimizing care to minimize IH is crucial for improving infant health and long-term prognosis.
Purpose of the Study:
- To quantify the impact of various hands-on medical and parental interventions on the incidence of IH in extremely preterm infants.
- To identify care practices that may exacerbate or alleviate IH episodes.
Main Methods:
- Observational study with intraindividual comparisons of extremely preterm infants (gestational age ≤28 weeks).
- Recorded blood oxygen saturation (SpO2) and used time-lapse video to analyze IH (SpO2 <80% for ≥10 s).
- Compared IH incidence across different care conditions: nursing and medical care (NMC), parental care, skin-to-skin contact (SSC), incubator touch, physiotherapy, and rest.
Main Results:
- The highest proportion of time with IH occurred during NMC (2.49%) and incubator touch (1.32%).
- Skin-to-skin contact (0.74%) and parental care (0.67%) showed the lowest incidence of IH.
- IH frequency per hour was highest during NMC and lowest during SSC (p < 0.001).
Conclusions:
- Skin-to-skin contact and parental care are associated with significantly lower rates of intermittent hypoxemia.
- Incubator touch, intended to be soothing, was surprisingly associated with a higher incidence of IH.
- Further research is required to understand infant responses to touch and develop effective handling strategies to minimize IH.
Objectives:
An increased frequency of intermittent hypoxemia (IH) is associated with a higher risk for poor developmental outcomes, disability, or death in extremely preterm infants. The objective of the prFesent study is to quantify the effect of hands-on medical and parental interventions on the incidence of IH in extremely preterm infants.
Methods:
An observational design with intraindividual comparisons was used. Blood oxygen saturation levels (SpO2) and time-lapse video were recorded. Frequency, duration, and time to occurrence of IH (SpO2 <80% for ≥10 s) were compared between nursing and medical care (NMC), health care by parents, skin-to-skin contact (SSC), touch in incubator, physiotherapy, and rest. Each infant was observed for six consecutive 24-h periods. Inclusion criteria were as follows: gestational age ≤28 weeks, birth weight <1500 g, postnatal age 0-6 weeks, gavage feeding, no severe illnesses or invasive procedures, no mechanical ventilation.
Results:
The highest proportion of time with IH occurred during NMC (2.49%) and incubator touch (1.32%), the lowest during SSC (0.74%) and health care by parents (0.67%). IH frequency per hour was highest during NMC (2.95, IQR 1.19-4.01) and lowest during SSC (0.88, IQR 0.37-2.32, p < 0.001). While an increase in IH during NMC was expected, the high incidence during incubator touch was surprising. Parental touch in the incubator is intended to be soothing, not stressful.
Conclusions:
Future studies need to clarify how preterm infants process touch, which attributes of touch are fundamental trigger mechanisms of IH, and which handling strategies are most effective in lowering the incidence of IH during hands-on medical care.
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