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低温的水和钡悬液可减少正常食管的原发蠕动波,冷的钡悬液比在室温下者还可引起食管更大的和更持续的膨胀。作者描述了作为常规食管摄影辅助的这个技术。在135ml 高密度钡悬液中加入120ml 碎冰块,摇动,制成冷钡溶液,温度平均3℃。冰钡的密度和粘度与室温下者比较有实质性的改变,显著影响其粘膜覆被能力。往往,在获得了满意的胃和十二指肠照片后使用冷钡。该技术特别适用于不能经麦秸迅速吞食钡剂的老年病人。对于返流性食管炎、食管狭窄和下食管粘膜环的诊断有帮助,还可用于疑有食管运动紊乱的病人。
Low-temperature water and sputum suspensions can reduce the normal peristaltic waves of normal esophagus, and cold sputum suspensions can cause larger and more persistent esophageal expansion than at room temperature. The author describes this technique as a routine esophageal radiography aid. 120 ml crushed ice cubes were added to a 135 ml high density suspension and shaken to make a cold mash solution at an average temperature of 3°C. The density and viscosity of hail have a substantial change from those at room temperature, significantly affecting its mucosal coating ability. Frequently, cold sputum is used after satisfactory photos of the stomach and duodenum have been obtained. This technique is particularly suitable for elderly patients who cannot rapidly swallow the barium with wheat straw. For the diagnosis of reflux esophagitis, esophageal stenosis and lower esophageal mucosal ring, it can also be used in patients with suspected esophageal movement disorders.