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  • Title: Cot-nursing versus incubator care for preterm infants.
    Author: Gray PH, Flenady V.
    Journal: Cochrane Database Syst Rev; 2003; (1):CD003062. PubMed ID: 12535451.
    Abstract:
    BACKGROUND: An optimal thermal environment is desirable for preterm infants. These infants are usually nursed in incubators, but cot-nursing may provide an alternative. Measures to assist the maintenance of body temperature for smaller infants in open cots include extra clothing/bedding, warming up the nursery and heating the cot mattress. Recently a heated water-filled mattress has been developed to maintain the temperature of a cot-nursed preterm infant. While there may be benefits of nursing preterm infants in open cots, there may be potential risks such as nosocomial infection caused by more handling due to easier access. OBJECTIVES: Among preterm infants allocated to cot-nursing vs incubator care in neonatal period, to assess effects on their temperature control and weight gain. SEARCH STRATEGY: The standard search strategy of the Cochrane Neonatal Review Group was used. This included searches of electronic databases: Oxford Database of Perinatal Trials; Cochrane Controlled Trials Register (Cochrane Library Issue 4 2001); MEDLINE (1966-2001); and CINAHL (1982-2001), previous reviews including cross references. SELECTION CRITERIA: All trials using random or quasi-random patient allocation in which infants receiving care in standard newborn cots were compared to infants managed in a conventional air heated incubator. DATA COLLECTION AND ANALYSIS: The authors independently assessed trial quality and extracted data for the primary outcomes of temperature control and weight gain. Meta-analysis was conducted using a fixed effects model. Results are presented as relative risk (RR) for categorical data and mean difference (MD) and weighted mean differences (WMD) for data measured on a continuous scale. MAIN RESULTS: Nine potential studies were identified of which four, involving 173 babies, were included in this review. When compared to incubator care, cot-nursing resulted in a statistically significantly higher mean body temperature (MD 0.30 degrees C; 95% CI 0.10, 0.50, one trial) and a decrease in proportion of infants not breast feeding at hospital discharge (RR 0.52; 95% CI 0.28, 0.94, two trials, 77 infants). No statistically significant difference was shown in weight gain, reported by two trials involving 69 infants. The comparison of cot-nursing using a heated water-filled mattress versus incubator care, which included four trials and a total of 149 infants, produced similar results. Cot-nursing with warming of the nursery resulted in statistically significantly smaller weight gain during week one compared to the incubator group in one trial that involved 49 infants (MD -5.90 g/kg/day; 95% CI -11.13, -0.67) with no significant difference found for weeks two and three. REVIEWER'S CONCLUSIONS: Due to the small numbers of trials included and infants studied, and the resulting imprecision in the measures of effect for all outcomes, the review does not give a clear indication for the role of cot-nursing for preterm infants. Further assessment of the role of cot nursing for preterm infants using randomised controlled trials is necessary.
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