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低水合状态会增强犬(犬属)对适度运动的血浆儿茶酚胺反应。

Hypohydration increases the plasma catecholamine response to moderate exercise in the dog (Canis).

作者信息

Turlejska E, Falecka-Wieczorek I, Titow-Stupnicka E, Uściłko H K

机构信息

Department of Applied Physiology, Medical Research Center, Polish Academy of Sciences, Warszawa.

出版信息

Comp Biochem Physiol C Comp Pharmacol Toxicol. 1993 Oct;106(2):463-5. doi: 10.1016/0742-8413(93)90163-f.

DOI:10.1016/0742-8413(93)90163-f
PMID:7904918
Abstract
  1. The effects of hypohydration produced by 48 hr water deprivation were examined in dogs during moderate treadmill exercise at an ambient temperature (Ta) of 21 degrees C. 2. Hypohydration caused a significant elevation in plasma levels of adrenaline (A), proteins (pp) and osmolality (pOsm). 3. During 1 hr of running, plasma concentrations of adrenaline (A) and noradrenaline (NA) rose significantly, whilst no change in these hormones occurred in dogs hydrated ad libitum. 4. The results suggest that hypovolemia in the dog may be a sufficient stimulus to intensify the sympatho-adrenal response to moderate exercise performed at a room Ta.
摘要
  1. 在环境温度(Ta)为21摄氏度的条件下,对中度跑步机运动的犬进行48小时禁水导致的轻度脱水影响进行了研究。2. 轻度脱水导致血浆肾上腺素(A)、蛋白质(pp)和渗透压(pOsm)水平显著升高。3. 在跑步1小时期间,肾上腺素(A)和去甲肾上腺素(NA)的血浆浓度显著上升,而随意饮水的犬这些激素没有变化。4. 结果表明,犬的血容量减少可能是在室温Ta下进行中度运动时增强交感 - 肾上腺反应的充分刺激因素。

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