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J Obstet Gynecol Neonatal Nurs. 2004 Mar-Apr;33(2):266-75.

Developmental patterns of physiological response to a multisensory intervention in extremely premature and high-risk infants.

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University of Illinois at Chicago, College of Nursing, Department of Maternal-Child Nursing, 60612, USA.



To compare the developmental patterns of heart rate (HR), respiratory rate (RR), and hemoglobin oxygen saturation (SaO2) of premature infants with and without central nervous system (CNS) injury, and evaluate whether a multisensory intervention altered this development.


Thirty-seven premature infants born at 23-26 weeks with normal head ultrasounds or at 24-32 weeks and diagnosed with periventricular leukomalacia (PVL) and/or intraventricular hemorrhage (IVH) were studied at 33-35 weeks postconceptional age.


Infants were randomly assigned to control and experimental groups. The experimental group infants received auditory, tactile, visual, and vestibular (ATVV) multisensory intervention twice daily from 33 weeks postconceptional age (PCA) until hospital discharge.


HR, RR, and SaO2 were continuously monitored during baseline, intervention, and the 30-minute postintervention period.


Between 33 and 35 weeks PCA, control group infants with and without CNS injury and experimental group infants without CNS injury had a significant decrease in resting mean HR, whereas RR and SaO2 remained stable. The infants with PVL who received the intervention showed increases in HR even at rest.


The absence of a weekly decline in HR for experimental group infants with PVL suggests that PVL may affect maturation of the autonomic nervous system and increase risk of decelerative HR changes and associated clinical compromise. Infants diagnosed with PVL should be closely monitored during procedures or interventions that may be stressful or involve handling. Further research is needed to tailor multisensory interventions for infants with PVL.

[Indexed for MEDLINE]

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