{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T06:14:44Z","timestamp":1781590484765,"version":"3.54.5"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,11,17]],"date-time":"2019-11-17T00:00:00Z","timestamp":1573948800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Physio Funct Imaging"],"published-print":{"date-parts":[[2020,3]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>The impact of 20\u00a0min of whole\u2010body heating (WBH) on the tissue dielectric constant (TDC) of forearm and hand skin was evaluated in 24 young adults. TDC was measured in triplicate at 300\u00a0MHz using an open\u2010ended transmission line method in which the effective measurement depth was about 2\u00a0mm. TDC measurements are an effective way to assess and track localized oedema and lymphoedema. The underlying hypothesis was that heat\u2010induced eccrine gland activation would increase TDC values via an increase in fluid within the TDC measurement volume. The goal was to test this concept and to determine the magnitude of the change when environmental temperatures were elevated to near 42\u00b0C and to estimate TDC recovery time. The practical aspect of this research is motivated by the fact that patients in whom such measurements are made may arrive at the clinic in various states of sweat gland activation. Thus, knowledge of the effect of such activation on measured TDC values permits better understanding of possible relationships between such activation and TDC values. Results showed that increasing environmental temperature from 23\u00b73\u00a0\u00b1\u00a01\u00b76 to 41\u00b75\u00a0\u00b1\u00a01\u00b73\u00b0C increased forearm and thenar eminence skin temperatures to 37\u00b78\u00a0\u00b1\u00a00\u00b75 and 37\u00b79\u00a0\u00b1\u00a00\u00b74\u00b0C, respectively. These changes were associated with increases in TDC at arm from 30\u00b77\u00a0\u00b1\u00a04\u00b76 to 36\u00b73\u00a0\u00b1\u00a05\u00b77 (18\u00b72%) and at hand from 34\u00b77\u00a0\u00b1\u00a04\u00b79 to 45\u00b71\u00a0\u00b1\u00a05\u00b75 (30%). Based on calculated TDC recovery rates, it is concluded that temperature\u2010related TDC variability can be minimized using a wait time of at least 15\u00a0min after bandage removal prior to TDC measurements in affected limbs.<\/jats:p>","DOI":"10.1111\/cpf.12605","type":"journal-article","created":{"date-parts":[[2019,11,2]],"date-time":"2019-11-02T10:18:46Z","timestamp":1572689926000},"page":"76-82","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Heat\u2010related changes in skin tissue dielectric constant (TDC)"],"prefix":"10.1111","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2690-7922","authenticated-orcid":false,"given":"Harvey N.","family":"Mayrovitz","sequence":"first","affiliation":[{"name":"College of Medical Sciences Nova Southeastern University Ft. 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