Assessment of the Dynamics of Temperature Changes in the Knee Joint Area in Response to Selected Cooling Agents in Thermographic Tests

Aleksandra Radecka, Waldemar Pluta and Anna Lubkowska
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Aleksandra Radecka: Department of Functional Diagnostics and Physical Medicine, Pomeranian Medical University in Szczecin, Żołnierska 54 Str., 71-210 Szczecin, Poland
Waldemar Pluta: Department of Functional Diagnostics and Physical Medicine, Pomeranian Medical University in Szczecin, Żołnierska 54 Str., 71-210 Szczecin, Poland
Anna Lubkowska: Department of Functional Diagnostics and Physical Medicine, Pomeranian Medical University in Szczecin, Żołnierska 54 Str., 71-210 Szczecin, Poland

IJERPH, 2021, vol. 18, issue 10, 1-19

Abstract: Although local cryotherapy (LC) is performed with various cooling agents (C Ag ) such as ice, water, and gasses, in clinical practice, it is mostly performed with cooling gasses. Presently, LC with cooling gasses is very popular but the inference about the thermal (stimulus) effect on the tissues is mainly based on research carried out using ice packs. The proposed objective of the study was to evaluate the dynamics of temperature changes in the knee joint area in response to a 3-min exposure to liquid nitrogen vapors (LNVs), cold air (CA) and ice bag (IB). The study group included 23 healthy volunteers with an average age of 26.67 ± 4.56. The exposed (ROI E ) and contralateral (ROI NE ) areas of the knee joint after exposure to C Ag were observed. Immediately after 3 min of LC, the ROI E temperature dropped by 10.11 ± 0.91 °C after LNV, 7.59 ± 0.14 °C after IB and 6.76 ± 1.3 °C after CA. Significant tissue cooling was maintained up to 15 min after LNV ( p < 0.01), 10 min after IB ( p < 0.05) and 5 min after CA ( p < 0.05). LC causes significant temperature changes both in ROI E and ROI NE . The greatest cooling potential was demonstrated for LNV and the lowest for CA.

Keywords: local cryotherapy; thermal imaging; cooling agents; liquid nitrogen vapors; cold air; ice bag; thermography (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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