Reexamination of tympanic membrane temperature as a core temperature.
Reexamination of tympanic membrane temperature as a core temperature.
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复查鼓膜温度作为核心温度。
DOI：
10.1152/jappl.1996.80.4.1233
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发表时间：
1996
期刊：
影响因子：
--
通讯作者：
Sato,K
中科院分区：
文献类型：
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作者：
Sato,KT;Kane,NL;Soos,G;Gisolfi,CV;Kondo,N;Sato,K
围绕鼓膜温度（Tty）本身和测量技术的争议已经降低了Tty在确定核心温度（在这里操作定义为在身体深部部位测量的体温）方面的潜在有用性。本研究旨在解决以下问题。1)能不能制造出一种比以前更安全、更可靠的鼓膜探针？2)为什么不同实验室的报告中面部冷却和加热对Tty的影响如此不一致？3)Tty作为核心温度的测量仍然有用吗？来自该研究的数据（用改进的热电偶探针获得）表明，广泛报道的面部皮肤冷却对Tty的影响最有可能是由于来自周围耳道壁的热污染和/或探针传感器与鼓膜的次优接触，因为1）在面部冷却期间下降的Tty通过探针传感器的重新定位而增加到预冷却水平; 2）通过使用具有较大传感器面积的探针（传感器焊接到钢丝环）确定的Tty倾向于响应于面部冷却而下降，而使用热绝缘探针环确定的Tty则不会;以及3）在仔细定位绝缘探针的情况下获得的Tty对面部冷却或加热相对不敏感。因为Tty实际上与稳定状态下的食管温度（Tes）相同，即，室温下Tty为36.83 +/- 0.20（SD）℃，Tes为36.87 +/- 0.16 ℃（n = 11），并且因为面部冷却对Tty和Tes的影响很小（在面部或头皮皮肤冷却期间，Tty为36.86 +/- 0.17摄氏度，Tes为36.86 +/- 0.26摄氏度），我们支持Tty是核心温度的良好量度的假设。Tty比Tes快5分钟（n = 2）检测到对足部加温的温度瞬变。因此，随着探针设计的进一步改进。Tty可以成为确定核心体温的标准。
Controversies surrounding tympanic temperature (Tty) itself and techniques for measuring it have dampened the potential usefulness of Tty in determining core temperature (operationally defined here as the body temperature taken at a deep body site). The present study was designed to address the following questions. 1) Can a tympanic membrane probe be made that is safer and more reliable than its predecessors? 2) Why is the effect of facial cooling and heating on Tty so inconsistent in reports from different laboratories? 3) Is Tty still useful as a measure of core temperature? Data from this study, obtained with a modified thermocouple probe, suggest that the widely reported facial skin cooling effect on Tty is most probably due to thermal contamination from the surrounding ear canal wall and/or suboptimal contact of the probe sensor with the tympanic membrane because 1) Tty that fell during facial cooling was increased to the precooling level by the repositioning of the probe sensor; 2) Tty determined by using a probe with a larger sensor area (the sensor soldered to a steel wire ring)tended to fall in response to facial cooling, whereas Tty determined with a thermally insulated probe ring did not; and 3) Tty obtained under careful positioning of the insulated probe was relatively insensitive to facial cooling or heating. Because Tty was practically identical to esophageal temperature (Tes) in the steady state, i.e., 36.83 +/- 0.20 (SD) degrees C for Tty and 36.87 +/- 0.16 degrees C for Tes at room temperature (n = 11), and because facial cooling had little effect on both Tty and Tes (36.86 +/- 0.17 degrees C for Tty and 36.86 +/- 0.26 degrees C for Tes during facial or scalp skin cooling), we support the postulate that Tty is a good measure of core temperature. The temperature transient in response to foot warming was detected 5 min (n = 2) faster with Tty than with Tes. Thus, with further improvements in the design of the probe. Tty can become a standard for determination of core body temperature.