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特发性草酸钙结石的发病机制中包括饮食因素,但摄入富含草酸的食物后,24小时总尿草酸排泄增加不明显.为此,作者研究了摄入巧克力(富含草酸)后日间尿草酸排泄的变化,并探讨了雷尼替丁(raniti-dine)对饮食中草酸消化吸收的影响,以阐明草酸的吸收部位。对象和方法 6名肾功能正常的男性志愿者,平均年龄31(22～52)岁,平均体表面积1.98±0.16M~2。于晨7时半给予标准早餐(含草酸约10mg,钙约40mg),中餐及晚餐避免富含草酸的饮食。在不
The pathogenesis of idiopathic calcium oxalate stones included dietary factors, but no significant increase in total urinary oxalate excretion after 24 hours of intake of foods rich in oxalic acid.To this end, the authors studied the effect of dietary supplements containing oxalic acid on the day after The change of oxalic acid excretion was also discussed. The effect of raniti-dine on the digestion and absorption of oxalic acid in the diet was also discussed to elucidate the absorption site of oxalic acid. Subjects and Methods Six male volunteers with normal renal function, average age 31 (22 ~ 52) years old, with an average body surface area of 1.98 ± 0.16M ~ 2. At 7.30 am, a standard breakfast (containing oxalic acid of about 10 mg and calcium of about 40 mg) will be given at 7:30 a.m., And the oxalic acid-rich diet will be avoided for both Chinese and dinner. No