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测定了８头实验猪应用阿托品前后的胆道静压、胆道括约肌开放压以及在一定压力下胆道的流量，同时观察了用药前后小肠内压增加时胆道返流情况。结果表明：用阿托品前后胆道静压无明显变化，用阿托品后括约肌开放压平均降低了３５％，相同压力下的流量明显增加；当小肠内压达到１９．６１４ｋＰａ时，用阿托品前后胆道均无返流。
The biliary hydrostatic pressure, biliary sphincter open pressure and bile duct flow under certain pressure were measured in 8 experimental pigs before and after administration of atropine. The biliary reflux was also observed when the intestinal pressure increased before and after administration. The results showed that: before and after atropine bile duct static pressure did not change significantly with atropine sphincter open pressure decreased by an average of 35% under the same pressure flow increased significantly; when the small intestine pressure reached 19.614kPa, atropine bile duct before and after no flow.