Abstract
DEEP hypothermia of warm-blooded animals favours the survival of their organs. For example, in the rat at normal body-temperature the heart ceases to beat several minutes after opening the chest, whereas in the rat cooled to 15°C. by the closed-vessel technique cardiac contractions can be seen approximately 1 hr. after respiratory arrest1. The intestine removed from a hypothermic dog contracts spontaneously when re-warmed and retains this property longer than an intestine isolated from a normothermic dog2. We have shown that the heart continues to beat for a much longer period after opening the thorax in rats which have been severely chilled and then re-warmed to normal body-temperature than in rats at the same temperature which had not been previously chilled3.
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GIAJA, J., RADULOVIĆ, J. Survival of the Heart following Deep Hypothermia. Nature 178, 1286 (1956). https://doi.org/10.1038/1781286a0
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DOI: https://doi.org/10.1038/1781286a0
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