scholarly journals Efficacy of Endocuff Vision compared to first-generation Endocuff in adenoma detection rate and polyp detection rate in high-definition colonoscopy: a systematic review and network meta-analysis

2021 ◽  
Vol 09 (01) ◽  
pp. E41-E50
Author(s):  
Muhammad Aziz ◽  
Hossein Haghbin ◽  
Manesh Kumar Gangwani ◽  
Sachit Sharma ◽  
Yusuf Nawras ◽  
...  

Abstract Background and study aims Recently, the newer Endocuff Vision (ECV) has been evaluated for improving colonoscopy outcome metrics such as adenoma detection rate (ADR) and polyp detection rate (PDR). Due to lack of direct comparative studies between ECV and original Endocuff (ECU), we performed a systematic review and network meta-analysis to evaluate these outcomes. Methods The following databases were searched: PubMed, Embase, Cochrane, and Web of Sciences to include randomized controlled trials (RCTs) comparing ECV or ECU colonoscopy to high-definition (HD) colonoscopy. Direct as well as network meta-analyses comparing ADR and PDR were performed using a random effects model. Relative-risk (RR) with 95 % confidence interval (CI) was calculated. Results A total of 12 RCTs with 8638 patients were included in the final analysis. On direct meta-analysis, ECV did not demonstrate statistically improved ADR compared to HD colonoscopy (RR: 1.12, 95 % CI 0.99–1.27). A clinically and statistically improved PDR was noted for ECV compared to HD (RR: 1.15, 95 % CI 1.03–1.28) and ECU compared to HD (RR: 1.26, 95 % CI 1.09–1.46) as well as improved ADR (RR: 1.22, 95 % CI 1.05–1.43) was observed for ECU colonoscopy when compared to HD colonoscopy. These results were also consistent on network meta-analysis. Lower overall complication rates (RR: 0.14, 95 % CI 0.02–0.84) and particularly lacerations/erosions (RR: 0.11, 95 % CI 0.02–0.70) were noted with ECV compared to ECU colonoscopy. Conclusions Although safe, the newer ECV did not significantly improve ADR compared to ECU and HD colonoscopy. Further device modification is needed to increase the overall ADR and PDR.

2020 ◽  
Vol 08 (06) ◽  
pp. E701-E707
Author(s):  
Muhammad Aziz ◽  
Simcha Weissman ◽  
Rawish Fatima ◽  
Zubair Khan ◽  
Babu P. Mohan ◽  
...  

Abstract Background and study aims Choice of sedation (propofol vs opioid/benzodiazepine) has been studied in the literature and has shown variable outcomes. The majority of recent studies have evaluated propofol sedation (PS) versus opioids, benzodiazepines, or a combination of both. We performed a systematic review and meta-analysis of studies comparing PS to other sedation methods to assess the impact on colonoscopy outcomes. Methods Multiple databases were searched and studies of interest were extracted. Primary outcome of the study was adenoma detection rate (ADR) and secondary outcomes included polyp detection rate (PDR), advanced adenoma detection rate (AADR), and cecal intubation rate (CIR). Results A total of 11 studies met the inclusion criteria with a total of 177,016 patients (148,753 and 28,263 in the opioids/benzodiazepine group and PS group, respectively). Overall, ADR (RR: 1.07, 95 % CI 0.99–1.15), PDR (RR: 1.01, 95 % CI 0.93–1.10), and AADR (RR: 1.17, 95 % CI 0.92–1.48) did not improve with the use of PS. The CIR was slightly higher for propofol sedation group (RR 1.02, 95 % CI 1.00–1.03). Conclusion Based on our analysis, PS and opioid/benzodiazepine sedation seem to have comparable ADR. Our results do not favor use of a particular sedation method and the choice of sedation should be individualized based on patient preference, risk factors and resource availability.


2019 ◽  
Author(s):  
Xu Tian ◽  
Ling-Li Xu ◽  
Xiao-Ling Liu ◽  
Wei-Qing Chen

BACKGROUND To improve patients’ comprehension of bowel preparation instructions before colonoscopy, enhanced patient education (EPE) such as cartoon pictures or other visual aids, phone calls, mobile apps, multimedia education and social media apps have been proposed. However, it is uncertain whether EPE can increase the detection rate of colonic polyps and adenomas. OBJECTIVE This meta-analysis aimed to evaluate the efficacy of EPE in detecting colonic polyps and adenomas. METHODS We searched PubMed, EMBASE, and Cochrane Central Register of Controlled Trials from their inception to June 2019 for the identification of trials comparing the EPE with standard patient education for outpatients undergoing colonoscopy. We used a random effects model to calculate summary estimates of the polyp detection rate (defined as the number of patients with at least one polyp divided by the total number of patients undergoing selective colonoscopy), adenoma detection rate (defined as the number of patients with at least one adenoma divided by the total number of patients undergoing selective colonoscopy), advanced adenoma detection rate (defined as the number of patients with at least one advanced adenoma divided by the total number of patients undergoing selective colonoscopy), sessile serrated adenoma detection rate (defined as the number of patients with at least one sessile serrated adenoma divided by the total number of patients undergoing selective colonoscopy), cancer detection rate (defined as the number of patients with at least one cancer divided by the total number of patients undergoing selective colonoscopy), or adenoma detection rate - plus (defined as the number of additional adenomas found after the first adenoma per colonoscopy). Moreover, we conducted trial sequential analysis (TSA) to determine the robustness of summary estimates of all primary outcomes. RESULTS We included 10 randomized controlled trials enrolling 4560 participants for analysis. The meta-analysis suggested that EPE was associated with an increased polyp detection rate (9 trials; 3781 participants; risk ratio [RR] 1.19, 95% CI 1.05-1.35; <i>P</i>&lt;.05; I<sup>2</sup>=42%) and adenoma detection rate (5 trials; 2133 participants; RR 1.37, 95% CI 1.15-1.64; <i>P</i>&lt;.001; I2=0%), which were established by TSA. Pooled result from the inverse-variance model illustrated an increase in the sessile serrated adenoma detection rate (3 trials; 1248 participants; odds ratio 1.76, 95% CI 1.22-2.53; <i>P</i>&lt;.05; I<sup>2</sup>=0%). One trial suggested an increase in the adenoma detection rate - plus (RR 4.39, 95% CI 2.91-6.61; <i>P</i>&lt;.001). Pooled estimates from 3 (1649 participants) and 2 trials (1375 participants) generated no evidence of statistical difference for the advanced adenoma detection rate and cancer detection rate, respectively. CONCLUSIONS The current evidence indicates that EPE should be recommended to instruct bowel preparation in patients undergoing colonoscopy because it can increase the polyp detection rate, adenoma detection rate, and sessile serrated adenoma detection rate. However, further trials are warranted to determine the efficacy of EPE for advanced adenoma detection rate, adenoma detection rate - plus, and cancer detection rate because of limited data.


10.2196/17372 ◽  
2020 ◽  
Vol 8 (6) ◽  
pp. e17372
Author(s):  
Xu Tian ◽  
Ling-Li Xu ◽  
Xiao-Ling Liu ◽  
Wei-Qing Chen

Background To improve patients’ comprehension of bowel preparation instructions before colonoscopy, enhanced patient education (EPE) such as cartoon pictures or other visual aids, phone calls, mobile apps, multimedia education and social media apps have been proposed. However, it is uncertain whether EPE can increase the detection rate of colonic polyps and adenomas. Objective This meta-analysis aimed to evaluate the efficacy of EPE in detecting colonic polyps and adenomas. Methods We searched PubMed, EMBASE, and Cochrane Central Register of Controlled Trials from their inception to June 2019 for the identification of trials comparing the EPE with standard patient education for outpatients undergoing colonoscopy. We used a random effects model to calculate summary estimates of the polyp detection rate (defined as the number of patients with at least one polyp divided by the total number of patients undergoing selective colonoscopy), adenoma detection rate (defined as the number of patients with at least one adenoma divided by the total number of patients undergoing selective colonoscopy), advanced adenoma detection rate (defined as the number of patients with at least one advanced adenoma divided by the total number of patients undergoing selective colonoscopy), sessile serrated adenoma detection rate (defined as the number of patients with at least one sessile serrated adenoma divided by the total number of patients undergoing selective colonoscopy), cancer detection rate (defined as the number of patients with at least one cancer divided by the total number of patients undergoing selective colonoscopy), or adenoma detection rate - plus (defined as the number of additional adenomas found after the first adenoma per colonoscopy). Moreover, we conducted trial sequential analysis (TSA) to determine the robustness of summary estimates of all primary outcomes. Results We included 10 randomized controlled trials enrolling 4560 participants for analysis. The meta-analysis suggested that EPE was associated with an increased polyp detection rate (9 trials; 3781 participants; risk ratio [RR] 1.19, 95% CI 1.05-1.35; P<.05; I2=42%) and adenoma detection rate (5 trials; 2133 participants; RR 1.37, 95% CI 1.15-1.64; P<.001; I2=0%), which were established by TSA. Pooled result from the inverse-variance model illustrated an increase in the sessile serrated adenoma detection rate (3 trials; 1248 participants; odds ratio 1.76, 95% CI 1.22-2.53; P<.05; I2=0%). One trial suggested an increase in the adenoma detection rate - plus (RR 4.39, 95% CI 2.91-6.61; P<.001). Pooled estimates from 3 (1649 participants) and 2 trials (1375 participants) generated no evidence of statistical difference for the advanced adenoma detection rate and cancer detection rate, respectively. Conclusions The current evidence indicates that EPE should be recommended to instruct bowel preparation in patients undergoing colonoscopy because it can increase the polyp detection rate, adenoma detection rate, and sessile serrated adenoma detection rate. However, further trials are warranted to determine the efficacy of EPE for advanced adenoma detection rate, adenoma detection rate - plus, and cancer detection rate because of limited data.


2011 ◽  
Vol 73 (4) ◽  
pp. AB385-AB386
Author(s):  
Dongil Park ◽  
Young-Ho Kim ◽  
Suck-Ho Lee ◽  
Chang Kyun Lee ◽  
Chang Soo Eun ◽  
...  

2020 ◽  
Vol 08 (12) ◽  
pp. E1842-E1849
Author(s):  
Venkat Nutalapati ◽  
Madhav Desai ◽  
Vivek Sandeep Thoguluva-Chandrasekar ◽  
Mojtaba Olyaee ◽  
Amit Rastogi

Abstract Background and study aims The adenoma detection rate (ADR) is an important quality metric of colonoscopy. Higher ADR correlates with lower incidence of interval colorectal cancer. ADR is variable between endoscopists and depends upon the withdrawal technique amongst other factors. Dynamic position change (lateral rotation of patients with a view to keep the portion of the colon being inspected at a higher level) helps with luminal distension during the withdrawal phase. However, impact of this on ADR is not known in a pooled sample. We performed a systematic review and meta-analysis to study the impact of dynamic position changes during withdrawal phase of colonoscopy on ADR Methods A comprehensive search of MEDLINE, EMBASE, Google Scholar, and the Cochrane Database was conducted from each database’s inception to search for studies comparing dynamic position changes during colonoscope withdrawal with static left lateral position (control). The primary outcome of interest was ADR. Other studied outcomes were polyp detection rate (PDR) and withdrawal time. Outcomes were reported as pooled odds ratio (OR) with 95 % confidence intervals (CI) with statistical significance (P < 0.05). RevMan 5.3 software was used for statistical analysis. Results Six studies were included in our analysis with 2860 patients. Of these, dynamic position change was implemented in 1177 patients while 1183 patients served as the controls. ADR was significantly higher in the dynamic position change group with pooled OR 1.36 (95 % CI, 1.15–1.61; P < 0.01). There was low heterogeneity in inclusion studies (I2 = 0 %). PDR was numerically higher in position change group (53.4 % vs 49.6 %) but not statistically significant (P = 0.16). Mean withdrawal time did not significantly change with dynamic position change (12.43 min vs 11.46 min, P = 0.27). Conclusion Position change during the withdrawal phase of colonoscopy can increase the ADR compared to static left lateral position. This is an easy and practical technique that can be implemented to improve ADR.


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