Yeh T F, Voora S, Lilien L D, Matwynshyn J, Srinivasan G, Pildes R S
J Pediatr. 1980 Dec;97(6):967-71. doi: 10.1016/s0022-3476(80)80438-0.
Fifteen studies were performed in ten premature infants whose birth weight (mean +/- SD) was 1,444 +/- 250 gm, gestational age 32.7 +/- 1.0 weeks, and postnatal age 10.7 +/- 3.3 days. Each study consisted of three hours simultaneous measurement of insensible water loss and oxygen consumption under two conditions for the same infant: (1) inside a single-walled incubator and (2) inside a double-walled incubator. The double-walled incubator provided significantly (P < 0.001) higher operative temperature and incubator wall temperature than did the single-walled incubator. Infants inside the double-walled incubator had significantly lower (P < 0.01) IWL (30% reduction) and lower (P < 0.05) VO2 (17% reduction) than inside the single-walled incubator--a net caloric saving of 11.8 kcal/kg/day. This saving of energy expenditure may be important in affecting the growth and outcome of the low-birth-weight infants.
对10名早产婴儿进行了15项研究，这些婴儿的出生体重（均值±标准差）为1444±250克，胎龄32.7±1.0周，出生后年龄10.7±3.3天。每项研究包括在相同条件下对同一婴儿在两种情况下进行3小时的不显性失水量和耗氧量的同步测量：（1）在单壁暖箱内；（2）在双壁暖箱内。双壁暖箱的手术温度和暖箱壁温度显著高于单壁暖箱（P<0.001）。与单壁暖箱相比，双壁暖箱内的婴儿不显性失水量显著降低（P<0.01）（降低30%），耗氧量也降低（P<0.05）（降低17%）——净热量节省为11.8千卡/千克/天。这种能量消耗的节省可能对影响低出生体重婴儿的生长和结局具有重要意义。
