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阐述幽门前瓣膜症的病因、分类及手术方式的选择。１９８８～１９９４年收治４例均为有孔瓣膜型，症状于出生１个月后出现。Ｂ超检查示幽门完全梗阻１例，不完全梗阻３例，均未见幽门肿块。ＧＩ检查常先行胃肠减压等治疗后继用少量造影剂检查，完全和不完全梗阻各１例，无征象２例。瓣膜位于胃窦部１例行单纯瓣膜切除术；幽门部２例行瓣膜切除加幽门成形术；合并胃溃疡１例行胃部分切除毕Ⅰ式吻合术。随访１～７年均无异常。本病罕见，症状出现的迟早取决于梗阻的严重程度。ＧＩ检查中注意胃肠减压等治疗对造影的影响。Ｂ超和内窥镜检查对确立诊断有重要价值。应根据瓣膜的解剖部位及合并症选择手术方式。
Describe the etiology of pyloric valvular disease, classification and choice of surgical approach. Four of the four cases admitted from 1988 to 1994 were of the foramen type. The symptoms appeared after one month of birth. B-ultrasound showed pyloric complete obstruction in 1 case, incomplete obstruction in 3 cases, no pyloric lumps. GI check often the first gastrointestinal decompression and other treatment followed by a small amount of contrast agent examination, complete and incomplete obstruction in 1 case, no signs of 2 cases. Valvular anastomosis in the anastomosis of the anastomosis was performed in only 1 case; valvular resection plus pyloroplasty was performed in 2 cases of pylorus; gastric anastomosis was performed in 1 case with gastric ulcer. Followed up for 1 to 7 years were no abnormalities. The rare disease, the symptoms appear sooner or later depends on the severity of obstruction. GI check attention to gastrointestinal decompression and other treatment of the impact of angiography. B-ultrasound and endoscopy for the establishment of diagnosis of great value. Should be based on the anatomy of the valve and complications selected surgical methods.