Chengyue Yang1, Vaelan Sriranjan1, Ahmed M Abou-Setta1, William Poluha1, John R Walker1, Harminder Singh1. 1. Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada. Faculty of Science, University of Manitoba, Winnipeg, Manitoba, Canada. George and Fay Yee Centre for Healthcare Innovation, University of Manitoba, Winnipeg, Manitoba, Canada. Sciences and Technology Library, University of Manitoba, Winnipeg, Manitoba, Canada. Department of Clinical Health Psychology, University of Manitoba, Winnipeg, Manitoba, Canada.
Abstract
OBJECTIVES: Addressing procedure-related anxiety should improve adherence to colorectal cancer screening programs and diagnostic colonoscopy. We performed a systematic review to assess anxiety among individuals undergoing colonoscopy or flexible sigmoidoscopy (FS). METHODS: We searched multiple electronic databases for studies evaluating anxiety associated with colonoscopy or FS published from 2005 to 2017. Two reviewers independently identified studies, extracted data, and assessed study quality. The main outcomes were the magnitude of pre-procedure anxiety, types of concerns, predictors of anxiety, and effectiveness of anxiety-lowering interventions in individuals undergoing lower endoscopy. The protocol was prospectively registered in PROSPERO. RESULTS: Fifty-eight studies (24,490 patients) met the inclusion criteria. Patients undergoing colonoscopy had a higher mean level of anxiety than that previously reported in the general population, with some studies reporting more than 50% of patients having moderate-to-severe anxiety. Areas of anxiety-related concern included bowel preparation, difficulties with the procedure (embarrassment, pain, possible complications, and sedation), and concerns about diagnosis; including fear of being diagnosed with cancer. Female gender, higher baseline anxiety, functional abdominal pain, lower education, and lower income were associated with greater anxiety prior to colonoscopy. Providing higher-quality information before colonoscopy, particularly with a video, shows promise as a way of reducing pre-procedure anxiety but the studies to date are of low quality. CONCLUSIONS: A large proportion of patients undergoing colonoscopy report anxiety before the procedure. Improvement in pre-procedure information delivery and evaluation of approaches to reduce anxiety is required, especially for those with predictors of pre-procedure anxiety.
OBJECTIVES: Addressing procedure-related anxiety should improve adherence to colorectal cancer screening programs and diagnostic colonoscopy. We performed a systematic review to assess anxiety among individuals undergoing colonoscopy or flexible sigmoidoscopy (FS). METHODS: We searched multiple electronic databases for studies evaluating anxiety associated with colonoscopy or FS published from 2005 to 2017. Two reviewers independently identified studies, extracted data, and assessed study quality. The main outcomes were the magnitude of pre-procedure anxiety, types of concerns, predictors of anxiety, and effectiveness of anxiety-lowering interventions in individuals undergoing lower endoscopy. The protocol was prospectively registered in PROSPERO. RESULTS: Fifty-eight studies (24,490 patients) met the inclusion criteria. Patients undergoing colonoscopy had a higher mean level of anxiety than that previously reported in the general population, with some studies reporting more than 50% of patients having moderate-to-severe anxiety. Areas of anxiety-related concern included bowel preparation, difficulties with the procedure (embarrassment, pain, possible complications, and sedation), and concerns about diagnosis; including fear of being diagnosed with cancer. Female gender, higher baseline anxiety, functional abdominal pain, lower education, and lower income were associated with greater anxiety prior to colonoscopy. Providing higher-quality information before colonoscopy, particularly with a video, shows promise as a way of reducing pre-procedure anxiety but the studies to date are of low quality. CONCLUSIONS: A large proportion of patients undergoing colonoscopy report anxiety before the procedure. Improvement in pre-procedure information delivery and evaluation of approaches to reduce anxiety is required, especially for those with predictors of pre-procedure anxiety.
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