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A new measure of decompression sickness in the rat.

Abstract : In this study we assessed the reliability of a tilting-board grip score as a measure of decompression sickness in rats. In experiments using a hyperbaric compression/decompression protocol, rats were observed for signs of decompression sickness and their grip strength measured on a tilting particle board hinged to a metal frame. Angles at which rats lost grip were converted to gravitational vectors. Decreased mean grip scores following decompression were fitted to a logistic regression model with strain, age, and weight. Decrease in grip score was significantly associated with observed decompression sickness (P = 0.0036). The log odds ratio for decompression sickness = 1.40 (decrease in grip score). In rats with no decrease in mean grip score there was a 50% probability of decompression sickness (pDCS). This increased steadily with decreases in mean grip score. A decrease of 0.3 had a 60% pDCS, a decrease of 0.6 had a 70% pDCS, and a decrease of 2.1 had a 95% pDCS. The tilting board grip score is a reliable measure of the probability of decompression sickness.
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Contributor : François Guerrero Connect in order to contact the contributor
Submitted on : Saturday, October 11, 2014 - 6:13:21 PM
Last modification on : Monday, October 11, 2021 - 2:22:33 PM

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Peter Buzzacott, Aleksandra Mazur, Qiong Wang, Kate Lambrechts, Michael Theron, et al.. A new measure of decompression sickness in the rat.. BioMed Research International , 2014, 2014, pp.123581. ⟨10.1155/2014/123581⟩. ⟨hal-01074006⟩



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