犬结肠及其他器官在正常门静脉压力和门静脉压力升高时的毛细血管血流情况。
Capillary blood flow in the canine colon and other organs at normal and raised portal pressure.
作者信息
Grandison A S, Yates J, Shields R
出版信息
Gut. 1981 Mar;22(3):223-7. doi: 10.1136/gut.22.3.223.
Abstract
Capillary blood flow in the canine colon and other organs has been assessed over a wide range of portal pressures using radio-labelled microspheres. The proximal colon received a greater proportionate flow than the distal region. At both normal and raised pressures, the mucosa received 90% of the total colonic capillary flow. A highly significant negative correlation (P less than 0.001) was found between colonic capillary blood flow and portal pressure. A highly significant positive correlation (P less than 0.001) was found between colonic capillary blood flow in the superior mesenteric artery.
摘要
利用放射性标记微球，在很宽的门静脉压力范围内评估了犬结肠及其他器官的毛细血管血流。近端结肠比远端区域接受的血流比例更大。在正常压力和升高压力下，黏膜均接受了结肠毛细血管总血流的90%。发现结肠毛细血管血流与门静脉压力之间存在高度显著的负相关（P<0.001）。发现肠系膜上动脉中的结肠毛细血管血流之间存在高度显著的正相关（P<0.001）。
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