[Early efferent loop passage disturbance after gastrectomy and its countermeasure].
D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery; D005260:Female; D005743:Gastrectomy / Q000009:adverse effects*; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology* / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control*; D013274:Stomach Neoplasms / Q000601:surgery