Articles  |   January 2018
PATIENT MONITORING: Wide Potential for Non-invasive Brain Temperature Monitoring System
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Central and Peripheral Nervous Systems / Articles
Articles   |   January 2018
PATIENT MONITORING: Wide Potential for Non-invasive Brain Temperature Monitoring System
ASA Monitor 01 2018, Vol.82, 18-19.
ASA Monitor 01 2018, Vol.82, 18-19.
Research to improve the monitoring of patient temperature perioperatively has led to the realization that a patient’s core temperature does not match brain temperature and that monitoring brain temperature could help protect against hypothermic or hyperthermic brain damage and dysfunction, especially during surgery.
The development of a noninvasive probe placed on the medial portion of the eyelid allows the continuous monitoring of brain temperature viathe ipsilateral brain thermal tunnel (BTT) between the cavernous sinus and body surface. In presentations at previous ASA annual meetings, it has been shown that BTT monitoring is sensitive to increased brain temperature during states of cerebral excitation, such as pain, as well as to decreased brain temperature after a stroke or during hypothermic cardiopulmonary bypass. In an abstract1  presented at ANESTHESIOLOGY® 2017, the authors reported increases in BTT temperature during anger and mental effort, and decreases when study subjects are exposed to relaxing situations, such as sleeping or watching movies (Table 1).
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