Kember P G, McBride K D, Tweed C S, Collins M C
Department of Radiology, Royal Hallamshire Hospital Trust, Sheffield, UK.
Br J Radiol. 1995 Feb;68(806):128-9. doi: 10.1259/0007-1285-68-806-128.
This study was undertaken to determine whether the omission of a low-residue diet in the days leading up to barium enema resulted in poorer bowel preparation. 300 patients were randomized prospectively into one of two groups. One group followed a low-residue diet for the 3 days leading up to the study, the other continued their usual diet. Both groups had two doses of "Picolax" the day before the study. 17 patients did not attend, and a further two patients were excluded, leaving 281 patients for prospective study. The subsequent investigation was assessed blind by a consultant radiologist and graded for faecal residue, mucosal coating and diagnostic quality. No statistically significant difference was found between the two groups for amount of faecal residue (p < 0.25), mucosal coating (p < 0.25) or diagnostic quality (p < 0.5). We conclude, therefore, that a preliminary low-residue diet is unnecessary in the preparation of patients for barium enema. Patients should continue with their usual diet up to the day prior to the test and then have standard purgative preparation.
本研究旨在确定在钡灌肠检查前几天不采用低渣饮食是否会导致肠道准备效果较差。300例患者被前瞻性随机分为两组。一组在研究前3天遵循低渣饮食，另一组继续其日常饮食。两组在研究前一天均服用两剂“聚乙二醇电解质散”。17例患者未参加，另有2例患者被排除，剩余281例患者进行前瞻性研究。随后由一位放射科顾问医生进行盲法评估，并根据粪便残渣、黏膜涂层和诊断质量进行分级。两组在粪便残渣量（p<0.25）、黏膜涂层（p<0.25）或诊断质量（p<0.5）方面均未发现统计学上的显著差异。因此，我们得出结论，在为患者进行钡灌肠准备时，初步的低渣饮食是不必要的。患者应在检查前一天继续其日常饮食，然后进行标准的泻药准备。
