返酸

对存活病人随访3月～5年，无明显返酸、胸骨后疼痛等症状，无远期吻合口瘢痕狭窄发生。

Postoperative follow up had lasted 3 month to 5 year for living patients . Neither of them had symptom of regurgitation , pain behind the sternum and anastomotic stricture .

结果：患者以上腹部不适、进行性消瘦、贫血、返酸为主要临床表现，术前确诊5例，消化道造影确诊2例。

Results : The main clinical symptom were discomfort in stomach , becoming thin , anemia , acid reversion . 5 cases were diagnosed before operation , and 4 cases were diagnosed by gastrointestinal image , while 2 cases were diagnosed by gastroscopy and vivisection .

现场酸化试验后的返排残酸表面张力可控至对水降低56&67%。

Surface tension of the returned acidizing fluids after field tests can be reduced by 56-67 % as compared to that of water .