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作者对54例有腹泻和/或腹痛症状、经小肠液检查为蓝氏贾第虫病的患者进行了研究。病人均经直肠乙状结肠镜检查和钡餐检查排除了引起腹泻的其他原因。对病人进行了脂肪、木糖和维生素B_(12)的吸收试验:收集3天粪便测定粪中脂肪量,病人每天约浪费75g(可能系7.5g之误——译者注)脂肪;患者禁食后口服5g D-木糖,用Roe等方法测定5小时尿中排出量;口服~(58)钴-维生素B_(12)1μg(含有1μCi),20分钟后肌注1,000μg冷维生素B_(12),测定24小时尿中的放射性强度。
The authors studied 54 patients who had symptoms of diarrhea and / or abdominal pain and who had giardiasis checked by small intestinal fluid. Patients underwent sigmoid colonoscopy and barium meal examination to rule out other causes of diarrhea. The patient was tested for fat, xylose and vitamin B_ (12) absorption: 3 days of feces were collected to determine the amount of fat in the feces, and the patient wastes about 75g daily (possibly 7.5g of fatal) Oral administration of 5g D-xylose after oral administration and determination of urinary excretion after 5 hours by the method of Roe et al. Oral administration of ~ (58) cobalt-vitamin B 12 (1μCi) orally, 20 minutes after intramuscular injection of 1,000μg cold vitamin B_ 12), measured 24 hours urine radioactivity.