{"id":28657,"date":"2023-10-15T11:05:14","date_gmt":"2023-10-15T09:05:14","guid":{"rendered":"https:\/\/www.cosinuss.com\/?post_type=avada_portfolio&p=28657"},"modified":"2025-02-11T14:37:43","modified_gmt":"2025-02-11T13:37:43","slug":"heart-surgery-temperature-validation-against-clinical-gold-standard","status":"publish","type":"avada_portfolio","link":"https:\/\/www.cosinuss.com\/en\/portfolio-items\/heart-surgery-temperature-validation-against-clinical-gold-standard\/","title":{"rendered":"Heart surgery: Temperature validation against clinical gold standard"},"content":{"rendered":"

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At the University Hospital of Munich in Gro\u00dfhadern, a validation study for core body temperature measurements of the c-med\u00b0 alpha against clinical gold standard temperature probes was conducted. During heart surgery, patients were continuously monitored with the in-ear sensor c-med\u00b0 alpha in both ears and with four additional temperature probes: nasopharyngeal, vesical, esophageal and rectal. For the duration of the surgery, patients were cooled down to as low as 22\u00b0C and rewarmed again to normal body temperature. The temperature data recorded by the probes and the c-med\u00b0 alpha throughout the entire process was subsequently compared.<\/p>\n<\/div>

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Fig. 1: Visualization of the measured data of the c-med\u00b0 alpha and the reference devices.<\/em><\/p>\n<\/div>

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The results demonstrate that the c-med\u00b0 alpha can accurately track core body temperature not only at near normal body temperature ranges but also in a therapeutic hypothermia setting (see fig. 1). A high agreement was found between the standard temperature measurement (esophageal) and the in-ear measurement with the c-med\u00b0 alpha (epitympanic). In addition, the authors discuss the possibility of estimating brain temperature based on the in-ear measurements due to the common blood supply through the carotid arteries and the proximity of the two body parts. The results of the study were published in Scientific Reports<\/a> (Langenhorst et al. 2024).<\/p>\n<\/div><\/div><\/div><\/div><\/div>

<\/i><\/span>Jonas Langenhorst et al. \u201cAgreement of in-ear temperature to core body temperature measures during invasive whole-body cooling for hypothermic circulatory arrest in aortic arch surgery\u201d. In: Scientific Reports 14.1 (2024), p. 27607.<\/span><\/div><\/div><\/div><\/div><\/div><\/div>
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