Number of polyps detected is a useful indicator of quality of clinical colonoscopy

Amano, Takahiro; Nishida, Tsutomu; Shimakoshi, Hiromi; Shimoda, Akiyoshi; Osugi, Naoto; Sugimoto, Aya; Takahashi, Kei; Mukai, Kaori; Nakamatsu, Dai; Matsubara, Tokuhiro; Yamamoto, Masashi; Hayashi, Shiro; Nakajima, Sachiko; Fukui, Koji; Inada, Masami

doi:10.1055/a-0605-3264

Cited by 16 publications

(13 citation statements)

References 30 publications

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“…26 Among all endoscopically detected adenomas, the final histological diagnosis revealed AA in 2%-18.3% of cases. 27,28 Thus, the AA detection rate (7.1%) in our study was similar to these published results. Interestingly, Karsenti et al reported a strong positive relationship between AA detection rate and age among the participants of a similar age to our study.…”

Section: Discussionsupporting

confidence: 92%

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Colorectal Cancer Screening with Computed Tomography Colonography: Single Region Experience in Kazakhstan

et al. 2022

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INTRODUCTIONColorectal cancer (CRC) is one of the most frequently di-agnosed malignancies worldwide, in both men and women. The highest incidence rates were registered in West European countries (up to 51.2/100,000), Australia/New Zealand (36.9/100,000), and North America (31.5/100,000). 1 However, according to the International Agency for Research on Cancer (IARC), in some Asian countries (e.g., Republic of Korea, Japan, Singapore), the incidence rate might be as high as that in Western Europe. 2 In addition, a mortality rate of 17.3 cases per 100,000 people is reported in Asia, which is higher than those in North America (10.1/100,000) and Australia (10.9/100,000). High mortality rates have been reported even in some Asian countries with relatively low incidences of CRC (

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Section: Discussionsupporting

confidence: 92%

“…Currently, adenoma detection rate is the main colonoscopy quality indicator [ 26 ]. Among all endoscopically detected adenomas, the final histological diagnosis revealed AA in 2%- 18.3% of cases [ 27 , 28 ]. Thus, the AA detection rate (7.1%) in our study was similar to these published results.…”

Section: Discussionmentioning

confidence: 99%

Colorectal Cancer Screening with Computed Tomography Colonography: Single Region Experience in Kazakhstan

et al. 2022

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“…Potentially, a longer follow-up would increase the number of events in this category and a significant association would be found as expected. This factor is considered a main quality indicator for the colonoscopy procedure and was associated with subsequent CRC in other studies (Lieberman et al 2000;Amano et al 2018;Lee et al 2018). If no polyps were found, a risk for CRC remained.…”

Section: Discussionmentioning

confidence: 99%

Colonoscopy and polypectomy: beside age, size of polyps main factor for long-term risk of colorectal cancer in a screening population

Halfter

Bauerfeind

Schlesinger-Raab

et al. 2021

J Cancer Res Clin Oncol

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Purpose Despite national and international guideline recommendations, few studies have been conducted to estimate the impact of colonoscopy screening on long-term colorectal cancer incidence. Aim of this study was to determine the long-term impact of a full colonoscopy with polypectomy on colorectal cancer incidence in a large screening population. Methods In this prospective observational cohort study, a total of 10,947 colonoscopy screening participants from within the scope of the Munich Cancer Registry were consecutively recruited from participating gastroenterology practices and their subsequent colorectal cancer incidence assessed. Predictive factors associated with colorectal cancer were also evaluated in univariate and multivariate analyses. Results After a median follow-up of 14.24 years (95% CI [14.21–14.25]), 93 colorectal cancer cases were observed. This is equivalent to a truncated age-standardized rate of 69.0 (95% CI [43.3–94.7]) for male and 43.4 (95% CI [29.4–57.5]) for female participants (≥ 50 years at colonoscopy). The ratio of this observed to the expected rate from cancer registry data showed a 67% decrease in colorectal cancer incidence in the male and 65% in the female participants (p < 0.0001). In multivariate analysis of screening patients, age at screening (p < 0.0001) was the main predictive factor for colorectal cancer. In the subgroup with positive polyp findings, age (p < 0.0001) and the polyp size (p = 0.0002) were associated with colorectal cancer. Conclusion These results underline the significance of a full colonoscopy screening combined with polypectomy in reducing the total disease burden of colorectal cancer.

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“…We performed propensity score matching analysis using age and sex because male sex as well as old age are strongly correlated with colorectal neoplasia 9 . After propensity score matching, we analyzed a total of 276 age- and sex-matched patients in both groups ( Table 3 ).…”

Section: Resultsmentioning

confidence: 99%

Comparison of colonoscopy after colonic diverticulitis and positive fecal immunochemical tests for the detection of colorectal neoplasia

et al. 2021

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Background and study aims The relationship between acute colonic diverticulitis and colorectal cancer (CRC) is unclear, but colonoscopy is recommended to exclude malignancy. We compared the detection rates for colorectal neoplasia in patients with colonic diverticulitis and asymptomatic patients who had positive fecal immunochemical tests (FITs). Patients and methods In total, 282 patients with acute colonic diverticulitis were hospitalized in our hospital from February 2011 to December 2019. Of them, 143 patients with diverticulitis and 1819 with positive FITs patients during the same period underwent colonoscopy without a prior colonoscopy within 5 years. We retrospectively compared these patients in terms of the invasive CRC rate, advanced neoplasia detection rate (ANDR), adenoma detection rate (ADR), and polyp detection rate (PDR). Results Compared to the diverticulitis group, the FIT-positive group had a significantly higher CRC rate (0 vs 2.7 %, P = 0.0061), ANDR (5.6 vs. 14.0 %, P = 0.0017), ADR (19.6 vs. 53.2 %, P < .0001), and PDR (44.1 vs. 91.0 %, P < .0001). Using 1:1 propensity score matching based on age and sex, we obtained 276 matched patients in both groups. After matching, no difference was found in the CRC rate (0 vs 0.7 %) or ANDR (5.8 vs 7.3 %) between groups, but the ADR and PDR were significantly higher in the FIT-positive group (20.3 vs 43.5 %, P < .0001; 45.7 % vs 86.2 %, P < .0001). Conclusion Patients with acute diverticulitis had lower ADRs and PDRs than patients with positive FITs.

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Number of polyps detected is a useful indicator of quality of clinical colonoscopy

Cited by 16 publications

References 30 publications

Colorectal Cancer Screening with Computed Tomography Colonography: Single Region Experience in Kazakhstan

Colorectal Cancer Screening with Computed Tomography Colonography: Single Region Experience in Kazakhstan

Colonoscopy and polypectomy: beside age, size of polyps main factor for long-term risk of colorectal cancer in a screening population

Comparison of colonoscopy after colonic diverticulitis and positive fecal immunochemical tests for the detection of colorectal neoplasia

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