The premature infant's response to the NICU: quiet time vs. uncontrolled environment

Date

1990-05

Authors

Thompson, Debbie

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Abstract

The purpose of this study was to determine if there was a difference in the sleeping premature infant's oxygen saturation, heart rate, and respiratory rate during quiet time when compared to the uncontrolled NICU environment. The convenience sample used consisted of 12 premature infants weighing less than 1500 grams receiving mechanical ventilation.

Each infant was observed for 20 minutes on six occasions, three during quiet time and three during the uncontrolled environment. Mean scores were tabulated for each observation. Mean of mean scores for each environment were analyzed using the dependent t-test. Analysis of the two environments revealed a significant difference (t = 2.28, p =.04) between oxygen saturation measurements recorded during the uncontrolled environment and during quiet time. Mean oxygen saturations during the uncontrolled environment were 94.1 compared to a mean oxygen saturation of 95.4 during quiet time. There was no significant difference noted in observations of heart rate and respiratory rate.

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