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Effect of Consent and Educational Adjuncts to Consent on Patient Perceptions About Colonoscopy.

ABSTRACT: BACKGROUND AND AIMS:Informed consent is a vital preprocedural step for endoscopy but there are substantial variations in its delivery. We therefore sought to assess a multifaceted intervention to improve the consent process. METHODS:Gastroenterologists at a tertiary center were educated on the recommended components of informed consent. Following this, 3 cohorts of patients undergoing colonoscopy were surveyed before and after consent. In one cohort, the effect of optimized verbal consent alone was assessed. In the second and third groups, the effects of the addition of either a handout or a video describing colonoscopy and its risks were evaluated. The primary outcomes were the changes between preconsent and postconsent survey responses regarding confidence in understanding the procedure's purpose, likelihood of adverse events, and levels of anxiety. RESULTS:In total, 240 patients were included with 79 to 81 patients per group. There were no significant differences among the groups' survey responses. Compared with patients receiving verbal consent alone, fewer patients in the handout and video groups increased their perceived risk of adverse events following consent, but this difference did not reach significance (P=0.08). Examining all groups together, anxiety levels changed significantly after consent (P=0.003), with 31% of patients reducing their anxiety level, 8% increasing it, and 62% having no change. CONCLUSIONS:The consent process appears to decrease patient anxiety about colonoscopy. When used in conjunction with a high-quality verbal consent, written or video educational adjuncts provided on the day of colonoscopy likely have no effect on patient perceptions.

SUBMITTER: Fudman DI

PROVIDER: S-EPMC6329678 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Effect of Consent and Educational Adjuncts to Consent on Patient Perceptions About Colonoscopy.

Fudman David I DI Papamichael Konstantinos K Roemi Lilach L Rao Varun V Falchuk Kenneth R KR Leffler Daniel A DA Feuerstein Joseph D JD

Journal of clinical gastroenterology 20190901 8

<h4>Background and aims</h4>Informed consent is a vital preprocedural step for endoscopy but there are substantial variations in its delivery. We therefore sought to assess a multifaceted intervention to improve the consent process.<h4>Methods</h4>Gastroenterologists at a tertiary center were educated on the recommended components of informed consent. Following this, 3 cohorts of patients undergoing colonoscopy were surveyed before and after consent. In one cohort, the effect of optimized verbal ...[more]

PMID: 30001290

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Project description:BackgroundBowel preparation for colonoscopy is often poorly tolerated due to poor palatability and adverse effects. This can negatively impact on the patient experience and on the quality of bowel preparation. This systematic review and meta-analysis was carried out to assess whether adjuncts to bowel preparation affected palatability, tolerability and quality of bowel preparation (bowel cleanliness).MethodsA systematic search strategy was conducted on PubMed, MEDLINE, EMBASE and the Cochrane Database of Systematic Reviews to identify studies evaluating adjunct use for colonoscopic bowel preparation. Studies comparing different regimens and volumes were excluded. Specific outcomes studied included palatability (taste), willingness to repeat bowel preparation, gastrointestinal adverse events and the quality of bowel preparation. Data across studies were pooled using a random-effects model and heterogeneity assessed using I2-statistics.ResultsOf 467 studies screened, six were included for analysis (all single-blind randomised trials; n = 1187 patients). Adjuncts comprised citrus reticulata peel, orange juice, menthol candy drops, simethicone, Coke Zero and sugar-free chewing gum. Overall, adjunct use was associated with improved palatability (mean difference 0.62, 95% confidence interval 0.29-0.96, p < 0.001) on a scale of 0-5, acceptability of taste (odds ratio 2.75, 95% confidence interval: 1.52-4.95, p < 0.001) and willingness to repeat bowel preparation (odds ratio 2.92, 95% confidence interval: 1.97-4.35, p < 0.001). Patients in the adjunct group reported lower rates of bloating (odds ratio 0.48, 95% confidence interval: 0.29-0.77, p = 0.003) and vomiting (odds ratio 0.47, 95% confidence interval 0.27-0.81, p = 0.007), but no difference in nausea (p = 0.10) or abdominal pain (p = 0.62). Adjunct use resulted in superior bowel cleanliness (odds ratio 2.52, 95% confidence interval: 1.31-4.85, p = 0.006). Heterogeneity varied across outcomes, ranging from 0% (vomiting) to 81% (palatability), without evidence of publication bias. The overall quality of evidence was rated moderate.ConclusionIn this meta-analysis, the use of adjuncts was associated with better palatability, less vomiting and bloating, willingness to repeat bowel preparation and superior quality of bowel preparation. The addition of adjuncts to bowel preparation may improve outcomes of colonoscopy and the overall patient experience.

Project description:BACKGROUND:Provision of relevant pre-learning materials has been shown to increase student engagement and improve outcomes in medical education. This non-randomised study attempts to quantify the educational gains, and relative efficacy of video and written pre-learning materials, in ophthalmology undergraduate teaching. METHODS:Ninety-eight final year medical students were contacted prior to their three-day ophthalmology placements at a British tertiary ophthalmology unit. All participants were sent welcome packs prior to arrival requesting they undertake 90?min of work focusing on a list of specified ophthalmic conditions. One cohort (N?=?33) were sent written materials, another (N?=?32) was provided with video materials and a third cohort (N?=?33) were not sent any materials. On arrival participants completed a simple knowledge test, a questionnaire estimating the time they spent preparing for the placement and a self-reported knowledge score. The teaching on placement was the same for all cohorts. At the conclusion of each placement participants completed a challenging knowledge test, a clinical skills test and repeated self-reported knowledge scores. RESULTS:Eighty seven percent of students receiving specified materials claimed to complete pre-placement work compared to 70% of those receiving learning outcomes alone (p?=?0.05). Students receiving learning materials scored higher in the post-placement tests of knowledge (p?<?0.001), 74.8% (72.4-77.2%) vs 63.6% (95%CI 59.3-67.9%) and skills (p?=?0.04), 86.9% (83.9-89.9%) vs 81.3% (77.2-85.4%). Students using video resources outperformed students using written materials in their visual acuity assessment test (p?=?0.03), 90.4% (86.6-94.2%) vs 83.6% (80.1-87.1%) whilst those receiving written rather than video material performed better in the end of placement knowledge test (p?=?0.03), 77.7% (74.3-81.1%) vs 72.0% (68.9-75.1%). CONCLUSION:This study showed that providing pre-placement learning materials improves undergraduates' commitment and achievement. Written materials better facilitate knowledge acquisition while video materials preferentially promote skill acquisition. This is a novel demonstration within ophthalmology and can help address the imbalance between the expectations placed on undergraduates and the resources committed to ensuring they are met.

Project description:The proportion of outpatients with inadequate bowel preparation before colonoscopy is high owing to patient unawareness of its importance and poor adherence to instructions. This meta-analysis aimed to determine the effect of educational intervention on the quality of bowel preparation before colonoscopy.A comprehensive literature review identified randomized controlled trials measuring the effect of educational intervention on the quality of bowel preparation. Two reviewers independently screened relevant articles, extracted data, and assessed the risk of bias. The primary outcome was the quality of each bowel preparation before colonoscopy, using a particular assessment scale. The secondary outcomes were polyp detection rates during the procedure and the need for a repeat colonoscopy due to incomplete examination.Nine randomized controlled trials were included in this meta-analysis. In all, 2885 patients were enrolled, with 1458 receiving education and 1427 assigned to the control group. An educational intervention before colonoscopy significantly improved bowel preparation (relative risk [RR] = 1.22; 95 % confidence interval [CI], 1.10 - 1.36), however, no significant differences were identified in polyp detection rates (RR = 1.14; 95 %CI 0.87 - 1.51) or the need for repeat colonoscopy (RR = 0.52; 95 %CI 0.25 - 1.04) between the groups. Asymmetry in the appearance of the funnel plot and the result of Egger test (P < 0.001) suggested that publication bias existed.Evidence from these randomized controlled trials shows that a brief counseling session with patients before colonoscopy ensures better bowel preparation. However, evidence is insufficient to assess improvements in polyp detection rate and avoidance of a repeat colonoscopy. Despite these encouraging observations, this meta-analysis had some limitations, including potential publication bias and significant heterogeneity of the types of bowel purgatives. These results should be interpreted with caution.

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Effect of Consent and Educational Adjuncts to Consent on Patient Perceptions About Colonoscopy.

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Effect of Consent and Educational Adjuncts to Consent on Patient Perceptions About Colonoscopy.

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