Comparison of rectal and axillary temperature measurements in preterm newborns.
Comparison of rectal and axillary temperature measurements in preterm newborns.
复制标题
早产儿直肠温度与腋温测量的比较。
DOI：
10.1136/archdischild-2020-320627
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发表时间：
2021-09
期刊：
影响因子：
--
通讯作者：
O'Donnell CPF
中科院分区：
文献类型：
--
作者：
McCarthy LK;O'Donnell CPF
比较早产新生儿入住新生儿重症监护室（NICU）时的直肠温度和腋温。随机对照试验（RCT）中收集的数据的次要分析。妇产医院，新生儿重症监护室3级。72名31周以下的新生儿参加了BAMBINO RCT（一项关于发热床垫防止早产儿出生时热量散失的随机试验，ISRCTN 31707342）。新生儿被放置在聚乙烯袋中，并随机放置在放热床垫上，或不在产房内。所有婴儿在入住NICU时立即连续使用数字温度计测量直肠和腋窝温度。入院直肠和腋窝温度。平均（SD）胎龄为28（2）周，出生体重为1138（374）g。平均直肠-腋窝温差为0.1（0.5°C）（范围为−1.4°C至+1.5 ° C）。18/72例（25%）婴儿的直肠和腋窝温度相差≥0.5°C; 6例（8%）腋窝温度高于直肠温度，12例（17%）低于直肠温度。直肠和腋窝测量值之间存在正线性关系（Pearson相关系数R=0.84）。应用Bland-Altman技术，95%预测区间的宽度为1.8°C（−0.8°C至1.0°C），这意味着直肠和腋窝测量值的变化可能高达1.0°C。腋温检测直肠体温过高的灵敏度为65%，检测体温过低的灵敏度为100%。早产儿在NICU入院时的成对直肠和腋窝温度测量值差异显著。腋温是检测直肠体温过低的敏感指标，但对直肠体温过高无敏感性。腋温可能不是所有早产儿在NICU入院时直肠温度测量的准确代表。
To compare rectal and axillary temperatures in preterm newborns on admission to the neonatal intensive care unit (NICU). Secondary analysis of data collected in a randomised controlled trial (RCT). Maternity hospital, level 3 NICU. Seventy-two newborns <31 weeks who were enrolled in the BAMBINO RCT (A randomised trial of exothermic mattresses to prevent heat loss in preterm infants at birth, ISRCTN31707342). Newborns were placed in polyethylene bags and were randomised to placement on exothermic mattresses, or not in the delivery room. All infants had rectal and axillary temperatures measured in immediate succession using a digital thermometer on NICU admission. Admission rectal and axillary temperatures. Mean (SD) gestational age was 28 (2) weeks and birth weight was 1138 (374) g. Mean rectal-axillary temperature difference was 0.1 (0.5°C) (range −1.4°C to +1.5°C). Rectal and axillary temperatures differed by ≥0.5°C in 18/72 (25%) infants; axillary temperature was higher than rectal in 6 (8%) and lower in 12 (17%). There was a positive linear relationship between rectal and axillary measurements (Pearson’s correlation R=0.84). Applying the Bland-Altman technique, the width of 95% prediction interval was 1.8°C (−0.8°C to 1.0°C) implying that rectal and axillary measurements may vary by up to 1.0°C. Axillary temperature had a sensitivity of 65% when used to detect rectal hyperthermia and 100% sensitivity for hypothermia. Paired rectal and axillary temperature measurements in preterm newborns on NICU admission vary significantly. Axillary temperature was sensitive at detecting rectal hypothermia but not hyperthermia. Axillary temperature may not be an accurate proxy for rectal temperature measurement in all preterm newborns on NICU admission.
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