Kuipers J, et al. - In order to determine the prevalence of intradialytic hypotension (IDH), researchers performed this systematic literature review. They identified studies assessing the actual prevalence of IDH by searching databases, Medline, Cinahl, EMBASE, and the Cochrane library. They performed a meta-analysis of 4 studies with 1,694 patients and 4 studies with 13,189 patients. They found that for both the European Best Practice Guideline and the Nadir <90 definition, the prevalence of IDH was lower than 12% which was much lower than stated in most reviews. Diabetes, a higher interdialytic weight gain, female gender, and lower body weight were identified as major risk factors related to IDH across studies.