Cycled Light Promotes Growth in Pre-term Infants

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2005-06-24 20:45

Pre-term Infant Health

A Duke University Medical Center study has shown that exposing babies born before 31 weeks of gestation to cycled light helps them grow faster, and the study identifies no short-term advantages to keeping infants in total near darkness, the standard practice with many infants.

According to the nurse researchers, by growing faster such pre-term infants can leave the hospital sooner and may have improved developmental outcomes. The study is published in the February 2002 issue of the Journal of Pediatrics.

Approximately 10 percent of all pregnancies in the United States result in pre-term births. A baby is considered pre-term if born before 37 weeks gestation. A full-term pregnancy is 37 to 40 weeks gestation.

Pre-term deliveries are costly both financially and emotionally for families, and the infants are at risk for multiple health and developmental problems. By creating an environment that may encourage growth, the Duke research suggests, these pre-term complications may be reduced.

"Additional research will be needed to show the long-term impact of a cycled light environment in these babies, but this research clearly shows that cycled light improves growth rates in pre-term babies, and that's a step in the right direction," said Debra Brandon, Ph.D., R.N., principal investigator and associate professor in the Duke School of Nursing.

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