Artificial intelligence in colonoscopy: from detection to diagnosis
Eun Sun Kim, Kwang-Sig Lee
Korean J Intern Med. 2024;39(4):555-562. Published online May 2, 2024
This study reviews the recent progress of artificial intelligence for colonoscopy from detection to diagnosis. The source of data was 27 original studies in PubMed. The search terms were “colonoscopy” (title) and “deep learning” (abstract). The eligibility criteria were: (1) the dependent varia..
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Strategies to improve screening colonoscopy quality for the prevention of colorectal cancer
Joo Hye Song, Eun Ran Kim
Korean J Intern Med. 2024;39(4):547-554. Published online January 22, 2024
The incidence and mortality of colorectal cancer (CRC) have decreased through regular screening colonoscopy, surveillance, and endoscopic treatment. However, CRC can still be diagnosed after negative colonoscopy. Such CRC is called interval CRC and accounts for 1.8–9.0% of all CRC cases. Most case..
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Gastroenterology
Efficacy and safety of 1 L polyethylene glycol plus ascorbic acid for bowel preparation in elderly: comparison with oral sulfate solution
Ki Young Lim, Kyeong Ok Kim, Eun Young Kim, Yoo Jin Lee, Byung Ik Jang, Sung Kook Kim, Chang Heon Yang; on behalf of Crohn’s and Colitis Association in Daegu-Gyeongbuk (CCAiD)
Korean J Intern Med. 2023;38(5):651-660. Published online July 24, 2023
Background/Aims: Recently, 1 L of polyethylene glycol (PEG) plus ascorbic acid (Asc) has been introduced in Korea as a colonoscopy preparation agent. Data on its efficacy and safety in older adults have been limited. We aimed to evaluate the safety and efficacy of 1 L PEG/Asc in older adults by comp..
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Factors associated with the risk of colorectal neoplasia in young adults under age 40
Ilsoo Kim, Han Hee Lee, Young Jae Ko, Ho Eun Chang, Dae Young Cheung, Bo-In Lee, Young-Seok Cho, Jin Il Kim, Myung-Gyu Choi
Korean J Intern Med. 2022;37(5):969-978. Published online July 25, 2022
Background/Aims: Recent epidemiologic studies have shown a continued increase in colorectal cancer incidence among younger adults. Little is known about the factors that contribute to the development of young-onset colorectal neoplasia (CRN).
Methods: A cross-sectional analysis was performed for ind..
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Radiology plus ileocolonoscopy versus radiology alone in Crohn’s disease: prognosis prediction and mutual agreement
Hye Kyung Hyun, Jongwook Yu, Eun Ae Kang, Jihye Park, Soo Jung Park, Jae Jun Park, Tae Il Kim, Won Ho Kim, Jae Hee Cheon
Korean J Intern Med. 2022;37(3):567-578. Published online October 26, 2021
Background/Aims: The optimal tools for monitoring Crohn’s disease (CD) are controversial. We compared radiology plus ileocolonoscopy and radiology alone in terms of prognosis prediction and evaluated the agreement between radiologic and ileocolonoscopic findings in patients with CD.
Methods: Pati..
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Gastroenterology
Prevalence and associated risk of advanced colorectal neoplasia in adults with sarcopenia
[letter]
Min Cheol Kim, Kyeong Ok Kim, Min Kyu Kang
Korean J Intern Med. 2022;37(2):294-303. Published online December 16, 2021
Background/Aims: Although several studies have shown that sarcopenia is associated with poor outcomes in colorectal cancer patients, the impact of sarcopenia on the development of colorectal neoplasia remains unclear. We aimed to evaluate the prevalence and association of colorectal neoplasia, espec..
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Gastroenterology
Colonoscopy quality in community hospitals and nonhospital facilities in Korea
Jae Gon Lee, Dong Soo Han, Young-Eun Joo, Dae-Seong Myung, Dong Il Park, Seul Ki Kim, Yunho Jung, Won Hyun Lee, Eun Soo Kim, Joon Seok Yoon, Chang Soo Eun
Korean J Intern Med. 2021;36(Suppl 1):S35-S43. Published online May 12, 2020
Background/Aims: High-quality colonoscopy is essential to reduce colorectal cancer-related deaths. Little is known about colonoscopy quality in non-academic practice settings. We aimed to evaluate the quality of colonoscopies performed in community hospitals and nonhospital facilities.
Methods: Col..
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Risk of colorectal cancer in patients with positive results of fecal immunochemical test performed within 5 years since the last colonoscopy
Yoon Suk Jung, Jinhee Lee, Chang Mo Moon
Korean J Intern Med. 2021;36(5):1083-1091. Published online June 18, 2021
Background/Aims: Annual fecal immunochemical tests (FITs) are often repeated within the recommended colonoscopy surveillance intervals. However, it remains unclear whether interval FITs are useful. To answer this question, we assessed the risk of colorectal cancer (CRC) according to the interval fro..
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Sex difference in bowel preparation quality and colonoscopy time
Young-Jae Hwang, Dong Woo Shin, Nayoung Kim, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Dong Ho Lee
Korean J Intern Med. 2021;36(2):322-331. Published online June 22, 2020
Background/Aims: The length of colon is known to be longer in females than in males. In addition, the morphology of colon cancer is different between males and females. The aim of this study was to investigate sex differences in Boston bowel preparation score (BBPS) and colonoscopy insertion time.
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Risk factors of advanced metachronous neoplasms in surveillance after colon cancer resection
Kwangwoo Nam, Jeong Eun Shin
Korean J Intern Med. 2021;36(2):305-312. Published online April 21, 2020
Background/Aims: Regular surveillance colonoscopy after colon cancer resection is recommended for detecting metachronous adenoma and cancer. However, risk factors for metachronous neoplasms have not been fully evaluated. We aimed to assess risk factors for advanced metachronous neoplasms during surv..
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Adenoma miss rate of polypectomy-referring hospitals is high in Korea
Ju Hyun Seo, Bo-In Lee, Kyungjin Lee, Jae Myung Park, Jin Soo Kim, Young-Seok Cho, Kang-Moon Lee, Sang Woo Kim, Hwang Choi, Myung-Gyu Choi
Korean J Intern Med. 2020;35(4):881-888. Published online October 17, 2019
Background/Aims: We evaluated the miss rates of polyps, adenomas, and advanced neoplasia of polypectomy-referring hospitals and risk factors for missed adenomas.
Methods: We compared medical records and electronic images of initial colonoscopies from polypectomy-referring hospitals with those of corr..
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A prospective randomized clinical study evaluating the efficacy and compliance of oral sulfate solution and 2-L ascorbic acid plus polyethylene glycol
Ki Hwan Kwon, Ji Ae Lee, Yun Jeong Lim, Beom Jae Lee, Moon Kyung Joo, Yu Ra Sim, Wonjae Choi, Taehyun Kim, Ji Yoon Kim, Ei Rie Cho, Yoon Tae Jeen, Jong-Jae Park
Korean J Intern Med. 2020;35(4):873-880. Published online January 30, 2019
Background/Aims: Oral sulfate solution (OSS) is an emerging cleansing agent for bowel preparation. However, data comparing OSS to other conventional bowel preparations in Asian patients are limited. Therefore, the objective of this study was to compare the efficacy and tolerability of OSS to ascorbi..
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Comparison of procedural sequence in same-day bidirectional endoscopy: a systematic review and meta-analysis
Geun Joo Choi, Hyoung-Chul Oh, Hee-Kyeong Seong, Jeong Wook Kim, Jin Soo Ko, Hyun Kang
Korean J Intern Med. 2020;35(2):331-341. Published online December 27, 2019
Background/Aims: To compare the efficacy and safety of procedural sequence in same-day bidirectional endoscopy.
Methods: We searched OVID-MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Google Scholar to identify randomized controlled trials that compared the procedural sequenc..
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Should asymptomatic young men with iron deficiency anemia necessarily undergo endoscopy?
Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Korean J Intern Med. 2018;33(6):1084-1092. Published online January 5, 2018
Background/Aims: There has been no evidence for the necessity of endoscopy in asymptomatic young men with iron deficiency anemia (IDA). To determine whether endoscopy should be recommended in asymptomatic young men with IDA, we compared the prevalence of gastrointestinal (GI) lesions between young m..
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Rheumatology
Ileocolonoscopic findings in patients with ankylosing spondylitis: a single center retrospective
study
Soo Min Ahn, Yong-Gil Kim, Seung-Hyeon Bae, Doo-Ho Lim, Seokchan Hong, Sang Hyoung Park, Chang-Keun Lee, Bin Yoo
Korean J Intern Med. 2017;32(5):916-922. Published online August 11, 2017
Background/Aims: In some Western countries, up to 50% of patients with ankylosing spondylitis (AS) have subclinical gut inflammation. This study was conducted to evaluate the prevalence and severity of gut inflammation and to determine clinical factors associated with colonic inflammation in Korean ..
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Recurrent pyogenic liver abscess as a presenting manifestation of colorectal cancer
Hee Yeon Kim, Chang Wook Kim, Dong Ryul Kim, Young Wook Cho, Jae-Young Cho, Woo Jung Kim, Hyung Gyu Choi
Korean J Intern Med. 2017;32(1):174-177. Published online February 3, 2016
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Gastroenterology
Effects of bispectral index monitoring as an adjunct to nurse-administered propofol combined sedation during colonoscopy: a randomized clinical trial
Jun Heo, Min Kyu Jung, Hyun Seok Lee, Chang Min Cho, Seong Woo Jeon, Sung Kook Kim, Young Hoon Jeon
Korean J Intern Med. 2016;31(2):260-266. Published online February 26, 2016
Background/Aims: The efficacy of bispectral index (BIS) monitoring during colonoscopic sedation is debated. We aimed to determine whether BIS monitoring was useful for propofol dose titration, and to evaluate differences in sedative administration between expert and inexperienced medical personnel d..
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Recent trends in diagnostic techniques for inflammatory bowel disease
Makoto Naganuma, Naoki Hosoe, Takanori Kanai, Haruhiko Ogata
Korean J Intern Med. 2015;30(3):271-278. Published online April 29, 2015
Although ileocolonoscopy is the gold standard for diagnosis of inflammatory bowel disease and is useful for assessing the disease severity in the colon and terminal ileum, several alternative diagnostic techniques have been developed recently. For ulcerative colitis (UC), magnification colonoscopy, ..
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Clinical Characteristics of Colonic Diverticulosis in Korea: A Prospective Study
Jung Hoon Song, You Sun Kim, Jin Ho Lee, Kyung Sun Ok, Soo Hyung Ryu, Jung Hwan Lee, Jeong Seop Moon
Korean J Intern Med. 2010;25(2):140-146. Published online June 1, 2010
Background/AimsThe prevalence of colonic diverticulosis has been reported to be lower in Korea than in Western countries. This disease also shows markedly different characteristics in the Korean population. We describe herein a prospective investigation, based on colonoscopic ..
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A Comparison of Patient Acceptance and Preferences Between CT Colonography and Conventional Colonoscopy in Colorectal Cancer Screening
Hyuk Sang Jung, Dong Kyun Park, Min Ju Kim, Sang Kyun Yu, Kwang An Kwon, Yang Suh Ku, Yu Kyung Kim, Ju Hyun Kim
Korean J Intern Med. 2009;24(1):43-47. Published online March 6, 2009
Background/AimsColorectal cancer, one of the most common cancers in developed countries, is curable when diagnosed at an early stage. However, for better screening, both a test that patients will tolerate and diagnostic accuracy are required. We compared patient experiences an..
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