Simultaneously, compared with the CLD, the LRD seems more easily accepted by patients, resulting in higher tolerance, satisfaction, and compliance ( Nguyen, Jamal, Nguyen, Puli, & Bechtold, 2016). However, some studies have shown that using the LRD was not inferior to using the CLD for bowel preparation. Traditionally, the CLD has been used before colonoscopy to ensure the quality of bowel preparation. Meanwhile, the tolerance of people with low-residue diet was better than people with clear liquid diet, and these people were more willing to repeat the colonoscopy with less adverse events. People who employed the low-residue diet before colonoscopy had the same quality of bowel preparation as those with clear liquid diet. More patients in the clear liquid diet group experienced hunger, nausea, and vomiting. More patients in the low-residue diet group were willing to repeat the low-residue diet for bowel preparation (odds ratio = 2.34 p <. However, patient tolerance to the low-residue diet was higher (odds ratio = 1.86 p <. The quality indicators for colonoscopy of the two groups were not statistically significant. 68) Ottawa Bowel Preparation Scale (standard mean difference =−0.04 p =. There was no statistically significant difference between the Boston Bowel Preparation Scale (standard mean difference =−0.04 p =. No statistically significant difference was observed between the low-residue diet and clear liquid diet groups (odds ratio = 1.19 p =. The statistical analysis was performed by using RevMan 5.3 software. After the systematic review of all 16 studies, the outcomes including quality of bowel preparation, tolerance, willingness to repeat, and adverse effects were analyzed through meta-analysis. A literature search for randomized controlled trials on the effects of employing the clear liquid diet and low-residue diets before colonoscopy was conducted in major online English databases (PubMed, Web of Science, and Ovid EMBASE). You can't eat or drink any products with oil on a clear liquid diet.The goal of this systematic review was to compare the clear liquid diet and the low-residue diet to determine which is better for bowel preparation before colonoscopy. You can't eat solid food while on a clear liquid diet. Staying hydrated with extra liquids also helps prepare the colon.įoods can be considered liquid if they partly or completely melt to liquid at room temperature. Although you are drinking a lot of fluid, much of it is not absorbed during the preparation. Staying hydrated is very important while on a clear liquid diet and preparing for a colonoscopy. It is important you do not consume any red colored liquids because it may cause misleading procedure results. If you don’t follow the diet, you risk getting inaccurate results or having your procedure cancelled. A clear liquid diet maintains vital body fluids, salts, and minerals however, it is not adequate in calories and nutrients and should not be used for more than one day, unless specified by your provider.īe sure to follow the clear liquid diet carefully before your procedure. This type of diet is usually prescribed before certain medical procedures, including colonoscopy. A clear liquid diet consists of liquids that you can see through.
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