Macpherson P, Teasdale E, Macpherson P Y
Clin Radiol. 1983 May;34(3):325-6. doi: 10.1016/s0009-9260(83)80350-x.
After undergoing metrizamide radiculography, 119 patients were randomly allocated to two groups, one group remaining ambulant and the other being kept in bed for 24 h. A member of staff who did not know the category allocation questioned each patient regarding the occurrence of side-effects 24 and 48 h after the procedure. It was found that the incidence and severity of complications was neither increased nor decreased by allowing the patient to remain ambulant.
119名患者在接受甲泛葡胺神经根造影术后被随机分为两组，一组可自由活动，另一组需卧床24小时。一名不了解分组情况的工作人员在术后24小时和48小时询问每位患者是否出现副作用。结果发现，允许患者自由活动既没有增加也没有减少并发症的发生率和严重程度。
