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鉴于近端胃迷走神经切断后吞咽困难的发生率较高,而其对食管下段括约肌的影响了解又很少,作者测定了近端胃迷走神经切断后吞咽困难的发生率及持续时间,并研究了近端胃迷走神经切断对食管下段括约肌功能的影响。共有96名病人因顽固性十二指肠溃疡经内科治疗无效而施行了近端胃迷走神经切断术。所有病人术后接受随访观察,仅术后早期固体食物咽下困难者定为轻度吞咽困难,而不能咽下流质,需用探条扩张食管者定为严重吞咽困难。观察结果表明,96名病人中65例无症状,31例发生吞咽困难,其发生率为32.2%。无症状组男性病人占54%,平均年龄为32岁(19～56岁)。发生吞咽困难的病人中,61%为男性,该组的平均年龄为35岁(21～50岁)。在性别或年龄方面,无症状病人与有吞咽困难的病人之间没有显著差异。31名发生吞咽困
In view of the high incidence of dysphagia after proximal gastric vagotomy and its poorly understood effect on the lower esophageal sphincter, the authors measured the incidence and duration of dysphagia following proximal gastric vagotomy and studied the effects of proximal Effect of endovascular vagotomy on function of lower esophageal sphincter. A total of 96 patients underwent proximal gastric vagotomy with refractory internal medicine due to intractable duodenal ulcer. All patients underwent follow-up observation, only the early postoperative solid food swallowing difficulties as mild dysphagia, but can not swallow liquid, the need to explore the dilatation of the esophagus as severe dysphagia. Observations showed that 65 of 96 patients were asymptomatic and 31 had dysphagia, with an incidence of 32.2%. Asymptomatic group of male patients accounted for 54% of the average age of 32 years (19 to 56 years old). Of the patients with dysphagia, 61% were men and the mean age of the group was 35 years (21-50 years). There were no significant differences in gender or age between asymptomatic patients and those with dysphagia. 31 patients swallowing sleepy