While in the control group, excepting the clinostatic time of barium passing through was improved (P<0.01), the other indexes showed no obvious change.

对照组除卧位钡剂食管通过时间有改善（P<0.01）外，其余指标均无明显变化；

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While in the control group, excepting the clinostatic time of barium passing through was improved (P<0.01), the other indexes showed no obvious change.

对照组除卧位钡剂食管通过时间有改善（P<0.01）外，其余指标均无明显变化；

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