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Colorectal polypectomy

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https://www.readbyqxmd.com/read/28928815/the-concept-of-semi-clean-colon-using-the-pit-pattern-classification-system-has-the-potential-to-be-acceptable-in-combination-with-a-3-year-surveillance-colonoscopy
#1
Yasuharu Maeda, Shin-Ei Kudo, Kunihiko Wakamura, Hideyuki Miyachi, Masashi Misawa, Yuichi Mori, Noriyuki Ogata, Toyoki Kudo, Kenta Kodama, Tomokazu Hisayuki, Takemasa Hayashi, Atsushi Katagiri, Fumio Ishida
Histological features of colorectal lesions are currently evaluated via a magnifying chromoendoscopy [pit pattern (PIT) classification]. Advanced histological features are rarely observed in diminutive (≤5 mm) adenomatous polyps (DAPs). The Japanese guidelines indicate that diminutive neoplastic lesions without carcinomatous findings may be left untreated and followed up. At the present institution, DAPs with type IIIL PIT are left untreated in various cases, whereas lesions with type III, IV or V PIT are typically resected via routine colonoscopy...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28898922/cold-versus-hot-endoscopic-mucosal-resection-for-nonpedunculated-colorectal-polyps-sized-6-10-mm-a-randomized-trial
#2
Vasilios Papastergiou, Konstantina D Paraskeva, Maria Fragaki, Ioannis Dimas, Emmanouil Vardas, Angeliki Theodoropoulou, Nicoletta Mathou, Athanasios Giannakopoulos, Konstantinos Karmiris, Afroditi Mpitouli, Dimitra Apessou, Linda Giannikaki, John A Karagiannis, Grigorios Chlouverakis, Gregorios A Paspatis
Background and study aims Cold snare polypectomy is an established method for the resection of small colorectal polyps; however, significant incomplete resection rates still leave room for improvement. We aimed to assess the efficacy of cold snare endoscopic mucosal resection (CS-EMR), compared with hot snare endoscopic mucosal resection (HS-EMR), for nonpedunculated polyps sized 6 - 10 mm. Patients and methods This study was a dual-center, randomized, noninferiority trial. Consecutive adult patients with at least one nonpedunculated polyp sized 6 - 10 mm were enrolled...
September 12, 2017: Endoscopy
https://www.readbyqxmd.com/read/28884225/safety-of-endoscopic-mucosal-resection-emr-of-large-non-pedunculated-colorectal-adenomas-in-the-elderly
#3
K Bronsgeest, J F Huisman, A Langers, J J Boonstra, B E Schenk, W H de Vos Tot Nederveen Cappel, H F A Vasen, J C H Hardwick
BACKGROUND: Endoscopic mucosal resection (EMR) has been proven to be safe and effective for the treatment of colorectal adenomas. However, data are limited on the safety of this technique for large polyps and in elderly patients. Aims of our study were to examine the bleeding and perforation rates in patients with large non-pedunculated adenomas (≥20mm) and to evaluate the influence of size (≥40mm) and age (≥75 years) on the complication rates. METHODS: In this multicenter retrospective study, patients who underwent EMR of non-pedunculated adenomas ≥20mm between January 2012 and March 2016 were included...
September 8, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28882577/assessing-colon-polypectomy-competency-and-its-association-with-established-quality-metrics
#4
Anna M Duloy, Tonya R Kaltenbach, Rajesh N Keswani
BACKGROUND & AIMS: Inadequate polypectomy leads to incomplete resection, interval colorectal cancer, and adverse events. However, polypectomy competency is rarely reported and quality metrics are lacking. The primary aims of this study were to (1) assess polypectomy competency among a cohort of gastroenterologists, and (2) measure the correlation between polypectomy competency and established colonoscopy quality metrics (adenoma detection rate [ADR] and withdrawal time [WT]). METHODS: We conducted a prospective observational study to assess polypectomy competency amongst 13 high-volume screening colonoscopists at an academic medical center...
September 4, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28882576/endoscopic-features-and-clinical-outcomes-of-colorectal-mucosa-associated-lymphoid-tissue-lymphoma
#5
Min Kyung Jeon, Hoonsub So, Jooryung Huh, Hee Sang Hwang, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Kee Don Choi, Byong Duk Ye, Seung-Jae Myung, Suk-Kyun Yang, Jeong-Sik Byeon
BACKGROUND & AIMS: Colorectal mucosa-associated lymphoid tissue (MALT) lymphoma is a rare disease. The purpose of this study was to investigate the clinical and endoscopic features of colorectal MALT lymphoma. METHODS: Patients diagnosed with colorectal MALT lymphoma at Asan Medical Center from 2002 to 2016 were eligible. Medical records were reviewed to investigate clinical features and treatment outcomes. Endoscopic pictures were assessed to characterize the endoscopic features of colorectal MALT lymphoma...
September 4, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28845106/impact-of-full-spectrum-endoscopy%C3%A2-fuse%C3%A2-endochoice%C3%A2-on-adenoma-detection-a-prospective-french-pilot-study
#6
Jean-Philippe Ratone, Erwan Bories, Fabrice Caillol, Christian Pesenti, Sébastien Godat, Floriane Sellier, Solene Hoibian, Marine Landon, Cécilia Servajean, Chiara De Cassan, Valentin Lestelle, Jean-Patrick Casanova, Flora Poizat, Marc Giovannini
BACKGROUND: Currently, colonoscopy and polypectomy are the gold standard methods for the prevention of incident cases of colorectal cancer. The use of a new colonoscope (Fuse(®), EndoChoice(®)) with a larger view of up to 330° appears to improve the adenoma detection rate (ADR). We performed a prospective observational study concerning this scope. The primary endpoint was potentially omitted adenomas (POA), i.e. adenomas seen on the side screens that will not appear on the central display during colonoscopy withdrawal without oriented movements...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28839894/polypectomy-and-advanced-endoscopic-resection
#7
REVIEW
Kesavan Kandiah, Sharmila Subramaniam, Pradeep Bhandari
Most colorectal cancers evolve from colorectal adenomatous polyps in a pathway known as the adenoma to carcinoma sequence. Early detection and removal of colorectal adenomas can prevent the development of colorectal cancer. The vast majority of these polyps can be resected endoscopically. Advances in endoscopic resection techniques have led to expanded indications for endoscopic polypectomy, whereby giant polyps, scarred lesions and early cancers may be cured. We will outline conventional endoscopic mucosal resection techniques as well as more complex resection methods such as endoscopic submucosal dissection, full thickness resection and the use of combined endoscopic and laparoscopic assisted approaches to resection...
April 2017: Frontline Gastroenterology
https://www.readbyqxmd.com/read/28812188/comparative-efficacy-of-cold-polypectomy-techniques-for-diminutive-colorectal-polyps-a-systematic-review-and-network-meta-analysis
#8
Yoon Suk Jung, Chan Hyuk Park, Eunwoo Nam, Chang Soo Eun, Dong Il Park, Dong Soo Han
BACKGROUND: Although cold polypectomy techniques are preferred over polypectomy with electrocautery in the management of diminutive polyps, comprehensive comparisons among various cold polypectomy techniques have not yet been fully performed. METHODS: We searched for all relevant randomized controlled trials published up until October 2016 examining the efficacy of cold polypectomy techniques for diminutive polyps. Cold polypectomy techniques were classified as cold forceps polypectomy (CFP), jumbo forceps polypectomy (JFP), traditional cold snare polypectomy (CSP), and dedicated CSP, according to the type of device...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28804754/use-of-the-full-thickness-resection-device-ftrd-to-prevent-bleeding-after-colonic-polypectomy-in-a-patient-with-a-left-ventricular-assist-device
#9
Richard F Knoop, Hans-Juergen Richer-Schrag, Robert Thimme, Andreas Fischer
Background and study aims  Treatment of colorectal polyps in patients undergoing permanent anticoagulation is associated with a significantly increased risk of peri-interventional bleeding. This specifically applies to polyps > 1 cm where endoscopic full-thickness resection (EFTR) with the full-thickness-resection device (FTRD) can be taken into consideration as an alternative approach to classical snare polypectomy. For these indications, EFTR appears to be superior to conventional techniques especially in terms of sufficient hemostasis due to the mechanical tissue compression achieved by the FTRD's integrated Over-The-Scope Clip (OTSC)...
August 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28796738/measurement-bias-of-polyp-size-at-colonoscopy
#10
Shinichiro Sakata, Kerenaftali Klein, Andrew R L Stevenson, David G Hewett
BACKGROUND: The success of current and proposed strategies to reduce colorectal cancer (CRC) incidence and mortality rates are fundamentally based on measurement accuracy. OBJECTIVE: The aim of this study was to evaluate the densities of colorectal polyps individually measured at colonoscopy and whether measurement bias is a systemic phenomenon among colonoscopists. DESIGN: A population-wide, observational study. SETTING: All hospitals of the government-funded health system in Brisbane, Australia...
September 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28781966/obesity-increases-prevalence-of-colonic-adenomas-at-screening-colonoscopy-a-canadian-community-based-study
#11
Theodore F Shapero, Grant I Chen, Tim Devlin, Alison Gibbs, Iain C Murray, Stanley Tran, Corey Weigensberg
BACKGROUND AND AIMS: Obesity is a risk factor for colorectal neoplasia. We examined the influence of obesity and metabolic syndrome (MetS) on prevalence of neoplasia at screening colonoscopy. METHODS: We evaluated 2020 subjects undergoing first screening colonoscopy. Body mass index (BMI) was calculated at enrolment. Hyperlipidemia (HL), hypertension (HT), and diabetes mellitus (DM) were identified. Details of colonoscopy, polypectomy, and histology were recorded...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28768440/contribution-of-intraoperative-colonoscopy-in-a-colorectal-surgery-unit
#12
Carlos Cerdán Santacruz, José Miguel Esteban López-Jamar, Esther Sánchez López, Javier Cerdán Miguel
OBJECTIVES: Intraoperative colonoscopy (IC) is routinely used in colorectal surgery procedures, both oncologic and benign ones. Despite its extensive use there is a lack of literature addressing this important issue. The aims of this paper are to determine the contributions of this tool, especially considering changes in attitude from preoperative designed intervention. MATERIALS AND METHODS: This study is a retrospective analysis of a prospective maintained database...
August 2, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28753697/post-polypectomy-bleeding-in-the-english-national-health-service-bowel-cancer-screening-programme
#13
Edmund Derbyshire, Pali Hungin, Claire Nickerson, Matthew D Rutter
Background and study aims Colonoscopic polypectomy reduces colorectal cancer incidence, but is associated with complications including post-polypectomy bleeding (PPB). PPB ranges in severity from minor to life-threatening, making interpretation and comparison difficult. No previous studies have examined PPB rate according to a standardized severity grading system. We aimed to determine the PPB rate stratified by severity grading, explore factors that contribute to PPB severity grading, and describe PPB management...
September 2017: Endoscopy
https://www.readbyqxmd.com/read/28744763/a-case-of-colonic-stenosis-caused-by-cold-snare-polypectomy-for-the-removal-of-a-colonic-polyp
#14
Naotaka Ogasawara, Masaaki Takayama, Satoshi Ono, Shunsuke Katoh, Hirohiko Komai, Yasutaka Hijikata, Masahide Ebi, Yasushi Funaki, Makoto Sasaki, Kunio Kasugai
A 78-year-old woman with hypertension had a positive fecal immunochemical test and underwent colonoscopy, which revealed a 4 mm sessile polyp (Paris type; 0-Is) in the transverse colon. Based on low magnification colonoscopy with narrow band imaging, the polyp was Type 2 according to the NBI International Colorectal Endoscopic classification, diagnosed as an adenoma, and then resected via cold snare polypectomy (CSP). Five days after CSP, she complained of right-sided abdominal pain. Abdominal CT showed focal wall thickening of the transverse colon and focal infiltration of tissues surrounding the transverse colon...
July 25, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28730368/safety-of-cold-polypectomy-for-small-colorectal-neoplastic-lesions-a-prospective-cohort-study-in-japan
#15
Yuichi Shimodate, Motowo Mizuno, Rio Takezawa, Mami Kobayashi, Tatsuhiro Yamazaki, Akira Doi, Naoyuki Nishimura, Hirokazu Mouri, Kazuhiro Matsueda, Hiroshi Yamamoto
BACKGROUND: Cold polypectomy has been widely accepted for removal of small colorectal polyps. However, no large-scale prospective study exists as for its safety in Japan. We investigated this issue in this single-center, prospective cohort study in a total of 1198 colorectal polyps resected with cold polypectomy. PATIENTS AND METHODS: Four hundred and seventy-four patients who underwent cold polypectomy for colorectal neoplastic lesions less than 10-mm diameter between September 2014 and October 2016 were enrolled...
July 20, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28721979/histological-outcomes-between-hot-and-cold-snare-polypectomy-for-small-colorectal-polyps
#16
Toshiki Yamamoto, Sho Suzuki, Chika Kusano, Kyoko Yakabe, Maho Iwamoto, Hisatomo Ikehara, Takuji Gotoda, Mitsuhiko Moriyama
BACKGROUND/AIM: To compare the complete resection rate of hot and cold snare polypectomy for small colorectal polyps. PATIENTS AND METHODS: We retrospectively reviewed the medical records of 233 consecutive patients with 461 colorectal polyps up to 10 mm in diameter that were treated by hot or cold snare polypectomy between April 2014 and August 2016. Lesions treated by hot snare polypectomy (n = 137) and cold snare polypectomy (n = 324) were compared. The histological complete resection rates were evaluated between the two groups...
July 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28702775/quality-indicators-in-colonoscopy
#17
REVIEW
Kjetil Garborg, Thomas de Lange, Michael Bretthauer
Colonoscopy is one of the most commonly performed endoscopic procedures. It is the gold standard examination for work-up of colonic symptoms, for follow-up of positive colorectal cancer screening tests and for detection and removal of neoplastic polyps. Colonoscopy is a complex and invasive procedure with a potential not only for colorectal cancer prevention, but also for serious complications. Numerous factors may affect the balance of benefit versus harm of colonoscopy, including the performance of the endoscopist...
July 12, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28670615/cold-snare-polypectomy-reduced-delayed-postpolypectomy-bleeding-compared-with-conventional-hot-polypectomy-a-propensity-score-matching-analysis
#18
Takeshi Yamashina, Manabu Fukuhara, Takanori Maruo, Gensho Tanke, Saiko Marui, Ryota Sada, Mio Taki, Yoshiaki Ohara, Azusa Sakamoto, Shinichiro Henmi, Yugo Sawai, Sumio Saito, Norihiro Nishijima, Akihiro Nasu, Hideyuki Komekado, Akira Sekikawa, Masanori Asada, Takehiko Tumura, Ryuichi Kita, Toru Kimura, Yukio Osaki
BACKGROUND AND STUDY AIMS:  Cold snare polypectomy (CSP) for small colorectal polyps has lower incidence of adverse events, especially delayed postpolypectomy bleeding (DPPB). However, few data are available on comparisons of the incidence of DPPB of CSP and hot polypectomy (HP). The aim of this study was to evaluate the incidence of DPPB after CSP and compare it with that of HP. A propensity score model was used as a secondary analysis. PATIENTS AND METHODS:  This was a retrospective cohort study conducted in a single municipal hospital...
July 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28670614/efficacy-and-safety-of-cold-snare-resection-in-preventive-screening-colonoscopy
#19
B Schett, J Wallner, V Weingart, A Ayvaz, U Richter, J Stahl, H-D Allescher
BACKGROUND AND AIM:  Removal of polyps during colonoscopy effectively prevents the development of colorectal cancer. So far, snare resection with high frequency current with or without prior submucosal saline injection is the method of choice. The aim of this study was to evaluate the feasibility, safety, and outcome of cold snare resection during routine endoscopy. METHODS:  In this prospective study, 522 patients undergoing outpatient colonoscopy were included...
July 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28670239/miss-rate-of-colorectal-neoplastic-polyps-and-risk-factors-for-missed-polyps-in-consecutive-colonoscopies
#20
Nam Hee Kim, Yoon Suk Jung, Woo Shin Jeong, Hyo-Joon Yang, Soo-Kyung Park, Kyuyong Choi, Dong Il Park
BACKGROUND/AIMS: Colonoscopic polypectomy is the best diagnostic and therapeutic tool to detect and prevent colorectal neoplasms. However, previous studies have reported that 17% to 28% of colorectal polyps are missed during colonoscopy. We investigated the miss rate of neoplastic polyps and the factors associated with missed polyps from quality-adjusted consecutive colonoscopies. METHODS: We reviewed the medical records of patients who were found to have colorectal polyps at a medical examination center of the Kangbuk Samsung Hospital between March 2012 and February 2013...
July 2017: Intestinal Research
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