Published online January 2, 2008
PEDIATRICS Vol. 121 Supplement January 2008, pp. S136-S137 (doi:10.1542/peds.2007-2022EEEEE)
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NEONATOLOGY


CEREBRAL OXYGENATION RESPONSES DURING SKIN-TO-SKIN CARE IN LOW BIRTH WEIGHT INFANTS

Esmot Ara Begum, Motoki Bonno, Noriko Ohtani, Shigeko Yamashita, Shigeki Tanaka, Hatsumi Yamamoto, Masatoshi Kawai and Yoshihiro Komada

Clinical Research Institute and Department of Pediatrics and Department of Nursing, National Hospital Organization, Miechuo Medical Center, Tsu City, Mie, Japan; Department of Developmental Clinical Psychology, Institute for Education, Mukogawa Women's University, Nishinomiya City, Hyogo, Japan; Department of Pediatrics and Developmental Science, Mie University Graduate School of Medicine, Tsu City, Mie, Japan

ABSTRACT

INTRODUCTION: Kangaroo care (KC) has been thought of as an important intervention for improving the care of low birth weight infants; however, the physiological effect of KC is still controversial.

OBJECTIVE: The aim of this study was to investigate physiological responses during KC.

METHODS: Sixteen low birth weight (<1600 g) infants with gestational ages of 24 to 32 weeks were studied. Heart rate (HR), respiration rate, pulse oxygen saturation (SPO2), and regional cerebral oxygenation (rSO2) were obtained in 3 periods continuously: before, during, and after KC. Spectral analysis was performed. Total amplitude, the power of low-frequency (LF; 0.06–0.10 Hz) band, high-frequency (HF, 0.15–0.40 Hz) band, and the ratio of LF/HF were calculated. Three groups were compared by analysis of variance.

RESULTS: Significant differences were not observed during KC in terms of mean HR, SPO2, and rSO2. By amplitude, these parameters were significantly decreased during KC (P < .001) and increased after KC (P < .001). The power of LF or HF was either significantly decreased during KC in HR, SPO2, and rSO2 (P < .05); however, the ratio of LF/HF was increased during KC in HR, whereas the ratio was decreased in rSO2 (P < .05).

CONCLUSIONS: These results suggest that KC influences the stability of rSO2 as well as HR and SPO2. Discrete results in the LF/HF ratio of rSO2 may indicate that KC has different effects on rSO2 associated with cerebral function.

Submitted by Esmot Ara Begum