Changes in energy expenditure in preterm infants during weaning: A randomized comparison of two weaning methods from an incubator

Valentin Weintraub, Francis B. Mimouni, Shaul Dollberg

Research output: Contribution to journalArticlepeer-review

Abstract

We aimed to compare resting energy expenditure (REE) of infants exposed to either one of two weaning methods and to confirm the increase in REE during weaning from incubator. The study was a prospective randomized clinical trial of weaning preterm infants using either of two methods. REE was measured at baseline and 6, 23, 30, and 47 h, using indirect calorimetry. At measurement, infants were clinically and thermally stable, asleep, 2 h after feeding. Forty-two patients were randomized to "open incubator" (n = 23) or "warming bassinet" (n = 19). The groups did not differ in baseline clinical characteristics. REE increased significantly in both groups within 23 h, and remained stable at 30 and 47 h. At 6 and 23 h, the incubator group had significantly higher increase in REE than the warming bassinet group. By 30 h and at 47 h post-weaning, the REE of both groups became similar. In conclusion, REE increases significantly at weaning from incubator. The warming bassinet delays the increase in REE observed when infants are weaned using a turned off incubator. Whether one method is superior to the other in terms of thermic stress cannot be determined from this study.

Original languageEnglish
Pages (from-to)341-344
Number of pages4
JournalPediatric Research
Volume61
Issue number3
DOIs
StatePublished - Mar 2007

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