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https://www.readbyqxmd.com/read/28428714/predictors-for-difficult-cecal-insertion-in-colonoscopy-the-impact-of-obesity-indices
#1
Soo Yun Moon, Byung Chang Kim, Dae Kyung Sohn, Kyung Su Han, Bun Kim, Chang Won Hong, Bum Joon Park, Kum Hei Ryu, Ji Hyung Nam
AIM: To identify the factors influencing cecal insertion time (CIT) and to evaluate the effect of obesity indices on CIT. METHODS: We retrospectively reviewed the data for participants who received both colonoscopy and abdominal computed tomography (CT) from February 2008 to May 2008 as part of a comprehensive health screening program. Age, gender, obesity indices [body mass index (BMI), waist-to-hip circumference ratio (WHR), waist circumference (WC), visceral adipose tissue (VAT) volume and subcutaneous adipose tissue (SAT) volume on abdominal CT], history of prior abdominal surgery, constipation, experience of the colonoscopist, quality of bowel preparation, diverticulosis and time required to reach the cecum were analyzed...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28428142/increased-rate-of-adenoma-detection-associates-with-reduced-risk-of-colorectal-cancer-and-death
#2
M F Kaminski, P Wieszczy, M Rupinski, U Wojciechowska, J Didkowska, E Kraszewska, J Kobiela, R Franczyk, M Rupinska, B Kocot, A Chaber-Ciopinska, J Pachlewski, M Polkowski, J Regula
BACKGROUND & AIMS: Quality of endoscopists' performance of colonoscopy is measured by adenoma detection rate (ADR). Although ADR is inversely associated with interval colorectal cancer and colorectal cancer death, the effects of increasing ADR have not been demonstrated. We investigated whether increasing ADRs from individual endoscopists associates with reduced risks of interval colorectal cancer and subsequent death METHODS: We performed a prospective cohort study of individuals who underwent screening colonoscopy within the National Colorectal Cancer Screening Program in Poland, from January 1, 2004 through December 31, 2008...
April 17, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28423551/metabolic-reprogramming-of-the-premalignant-colonic-mucosa-is-an-early-event-in-carcinogenesis
#3
Mart Dela Cruz, Sarah Ledbetter, Sanjib Chowdhury, Ashish K Tiwari, Navneet Momi, Ramesh K Wali, Charles Bliss, Christopher Huang, David Lichtenstein, Swati Bhattacharya, Anisha Varma-Wilson, Vadim Backman, Hemant K Roy
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related mortality in the United States. There is an increasing need for the identification of biomarkers of pre-malignant and early stage CRC to improve risk-stratification and screening recommendations. In this study, we investigated the possibility of metabolic and mitochondrial reprogramming early in the pre-malignant colorectal field. METHODS: Rectal biopsies were taken from 81 patients undergoing screening colonoscopy, and gene expression of metabolic and mitochondrial markers were assessed using real time quantitative PCR...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420554/the-incidence-and-clinical-associated-factors-of-interval-colorectal-cancers-in-southern-taiwan
#4
Cheng-En Tsai, Keng-Liang Wu, Yi-Chun Chiu, Seng-Kee Chuah, Wei-Chen Tai, Ming-Luen Hu, Chih-Ming Liang
BACKGROUND/PURPOSE: Interval colorectal cancer (CRC) is an emerging issue in CRC screening and surveillance. The frequency of interval CRC and its associated factors have not been well studied in Eastern Asia. We aim to clarify the factors associated with interval CRC. METHODS: CRC patients who had negative colonoscopy results 6-36 months prior to cancer diagnosis were defined as cases of interval CRC. Patient characteristics, past history, colon preparation, colonoscopy findings, and pathology were retrospectively evaluated...
April 15, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28419856/adenoma-prevalence-in-blacks-and-whites-having-equal-adherence-to-screening-colonoscopy-the-national-colonoscopy-study
#5
Robin B Mendelsohn, Sidney Winawer, Anjani Jammula, Glenn Mills, Paul Jordan, Michael J O'Brien, Georgia M Close, Michael Dorfman, Timothy R Church, Margaret T Mandelson, John Allen, Andrew Feld, Noah D Kauff, Georgia A Morgan, Julie M R Kumar, Victoria Serrano, Sharon Bayuga-Miller, Sara E Fischer, Deborah Kuk, Ann G Zauber
No abstract text is available yet for this article.
April 15, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28414327/a-novel-antibody-against-cancer-stem-cell-biomarker-dclk1-s-is-potentially-useful-for-assessing-colon-cancer-risk-after-screening-colonoscopy
#6
Shubhashish Sarkar, Vsevolod L Popov, Malaney R O'Connell, Heather L Stevenson, Brian S Lee, Robert A Obeid, Gurinder K Luthra, Pomila Singh
DCLK1 expression is critically required for maintaining growth of human colon cancer cells (hCCCs). Human colorectal tumors (CRCs) and hCCCs express a novel short isoform of DCLK1 (DCLK1-S; isoform 2) from β-promoter of hDCLK1 gene, while normal colons express long isoform (DCLK1-L; isoform 1) from 5'(α)-promoter, suggesting that DCLK1-S, and not DCLK1-L, marks cancer stem cells (CSCs). Even though DCLK1-S differs from DCLK1-L by only six amino acids, we succeeded in generating a monospecific DCLK1-S-Antibody (PS41014), which does not cross-react with DCLK1-L, and specifically detects CSCs...
April 17, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28412271/impact-of-a-new-distal-attachment-on-colonoscopy-performance-in-an-academic-screening-center
#7
Zacharias P Tsiamoulos, Ravi Misra, Rajaratanam Rameshshanker, Timothy R Elliott, Iosif Beintaris, Siwan Thomas-Gibson, Adam Haycock, Noriko Suzuki, Colin Rees, Brian P Saunders
BACKGROUND AND AIMS: Distal attachments placed on the colonoscope tip may positively affect performance by assisting insertion and polyp detection. The Endocuff-original appears to improve adenoma detection rate, but there are no data assessing the performance of the second generation Endocuff-vision. METHODS: A pilot service evaluation study (April-2013/September-2014) was conducted on patients with positive faecal occult blood tests within the National Bowel Cancer Programme during 3 consecutive periods: pre-cuff/no device used, during-cuff/device used and post-cuff/no device used...
April 12, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28409270/getting-the-first-degree-relatives-to-screen-for-colorectal-cancer-is-harder-than-it-seems-patients-and-their-first-degree-relatives-perspectives
#8
Ker-Kan Tan, Tian-Zhi Lim, Dedrick Kok Hong Chan, Emily Chew, Wen-Min Chow, Nan Luo, Mee-Lian Wong, Gerald Choon-Huat Koh
INTRODUCTION: First degree relatives (FDR) of colorectal cancer (CRC) patients are at increased risk of CRC compared to the general population. However, screening colonoscopy rates amongst the FDRs remain dismal. The aim of the study was to explore the various issues amongst the patients and their FDR precluding their adoption of screening colonoscopy. METHODS: A qualitative study of CRC patients and their FDRs was performed. Semi-structured interviews were conducted with participants using open-ended questions until data saturation was achieved...
April 13, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28405738/evaluation-of-mir-506-and-mir-4316-expression-in-early-and-non-invasive-diagnosis-of-colorectal-cancer
#9
Paweł Krawczyk, Tomasz Powrózek, Tomasz Olesiński, Adam Dmitruk, Joanna Dziwota, Dariusz Kowalski, Janusz Milanowski
PURPOSE: Examination of the entire colon by colonoscopy remains the golden standard for screening of colorectal cancer (CRC). However, patients are reluctant to perform invasive colonoscopies because of interference with their intimacy. Therefore, the potential use of non-invasive analysis of microRNAs expression in liquid biopsy as a novel biomarker for early CRC has investigated in several studies. In this study, we analyzed the expression of two novel microRNAs: miR-506 and miR-4316, which have never been examined in CRC...
April 12, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28405332/association-between-diverticulosis-and-colonic-neoplastic-lesions-in-individuals-with-a-positive-faecal-immunochemical-test
#10
Sergio Morini, Lorenzo Ridola, Cesare Hassan, Roberto Lorenzetti, Roberto Boggi, Massimo Napoli, Silverio Tomao, Angelo Zullo
BACKGROUND: The association between diverticulosis and colonic neoplastic lesions has been suggested, but data in literature are conflicting. This study aimed to investigate such a relationship in patients participating in a colorectal cancer screening program who underwent high-quality colonoscopy. METHODS: Data from consecutive individuals 50-75 years of age with a positive faecal immunological test were considered. Diverticulosis was categorised as present or absent...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28405331/gradual-stiffness-versus-magnetic-imaging-guided-variable-stiffness-colonoscopes-a-randomized-noninferiority-trial
#11
Kjetil Garborg, Håvard Wiig, Audun Hasund, Jon Matre, Øyvind Holme, Geir Noraberg, Magnus Løberg, Mette Kalager, Hans-Olov Adami, Michael Bretthauer
BACKGROUND: Colonoscopes with gradual stiffness have recently been developed to enhance cecal intubation. OBJECTIVE: We aimed to determine if the performance of gradual stiffness colonoscopes is noninferior to that of magnetic endoscopic imaging (MEI)-guided variable stiffness colonoscopes. METHODS: Consecutive patients were randomized to screening colonoscopy with Fujifilm gradual stiffness or Olympus MEI-guided variable stiffness colonoscopes...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28402402/evaluation-of-the-effectiveness-and-cost-effectiveness-of-personalized-surveillance-after-colorectal-adenomatous-polypectomy
#12
Ethna McFerran, James F O'Mahony, Richard Fallis, Duncan McVicar, Ann G Zauber, Frank Kee
Lifetime risk of developing colorectal cancer is 5%, and 5-year survival at early stage is 92%. Individuals with precancerous lesions removed at primary screening are typically recommended surveillance colonoscopy. Because greater benefits are anticipated for those with higher risk of colorectal cancer, scope for risk-specific surveillance recommendations exists. This review assesses published cost-effectiveness estimates of postpolypectomy surveillance to consider the potential for personalized recommendations by risk group...
April 10, 2017: Epidemiologic Reviews
https://www.readbyqxmd.com/read/28392435/sex-specific-differences-in-colon-cancer-when-quality-measures-are-adhered-to-results-from-international-prospective-multicenter-clinical-trials
#13
Shrawan G Gaitonde, Aviram Nissan, Mladjan Protić, Alexander Stojadinovic, Zev A Wainberg, David C Chen, Anton J Bilchik
INTRODUCTION: There is no consensus on the relationship between patient sex and the location, stage and oncologic outcome of colon cancer (CC). We hypothesized a sex-specific difference in the biology and management of CC. STUDY DESIGN: Our cohort was drawn from a database of patients enrolled in international trials of nodal ultrastaging for non-metastatic CC. These trials required strict adherence to surgical and pathological quality measures. Postoperative follow-up included colonoscopy at 1 and 4 years and annual CT scans...
April 6, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28387681/prevalence-of-prodromal-parkinson-s-disease-as-defined-by-mds-research-criteria-among-elderly-patients-undergoing-colonoscopy
#14
Skorvanek Matej, Ladomirjakova Zuzana, Han Vladimir, Lesko Norbert, Feketeova Eva, Jarcuskova Dominika, Repkova Barbora, Spisak Peter, Urbancikova Zuzana, Vargova Adriana, Gombosova Laura, Zakuciova Maria, Veseliny Eduard, Trebuna Frantisek, Mechirova Eva, Gdovinova Zuzana
BACKGROUND: Gastrointestinal symptoms are a well-recognized and common premotor feature of Parkinson's disease (PD). Moreover, multiple studies have assessed the value of colonic α-synuclein as a potential marker of prodromal PD. Recently, the International Parkinson and Movement Disorders Society (MDS) defined research criteria for prodromal PD. OBJECTIVE: The aim of our study was to test the MDS research criteria in patients undergoing diagnostic colonoscopies as potential candidates for inclusion in prospective trials evaluating colonic biopsies as a potential biomarker of prodromal PD...
April 4, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28385585/colorectal-cancer-screening-with-fecal-immunochemical-test-in-persons-aged-30-to-49-years-focusing-on-the-age-for-commencing-screening
#15
Yoon Suk Jung, Chan Hyuk Park, Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn
BACKGROUND AND AIMS: The fecal immunochemical test (FIT) can be an alternative screening method for colorectal cancer in individuals aged <50 years. However, there is a debate concerning the age at which commencing FIT is beneficial. METHODS: We reviewed the records of participants who had undergone a colonoscopy and FIT as part of a comprehensive health screening program. To determine the age for commencing screening via FIT, participants aged <50 years were classified into 4 age subgroups as follows: 30 to 34, 35 to 39, 40 to 44, and 45 to 49 years...
April 3, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28384453/unsuspected-colonic-hemorrhage-found-on-screening%C3%A2-colonoscopy
#16
Parastoo Jangouk, John J Chang, Avlin B Imaeda
No abstract text is available yet for this article.
April 3, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28381946/combined-endoscopic-laparoscopic-surgery-procedures-for-colorectal-surgery
#17
REVIEW
Sarah B Placek, Jeffrey Nelson
Colonoscopy is the standard of care for screening and surveillance of colorectal cancers. Removal of adenomatous polyps prevents the transformation of adenomas to potential adenocarcinoma. While most polyps are amenable to simple endoscopic polypectomy, difficult polyps that are large, broad-based, or located in haustral folds or in tortuous colon segments can present a challenge for endoscopists. Traditionally, patients with endoscopically unresectable polyps have been referred for oncologic surgical resection due to the underlying risk of malignancy within the polyp; however, the majority of these polyps are benign on final pathology...
April 2017: Clinics in Colon and Rectal Surgery
https://www.readbyqxmd.com/read/28380627/promoting-cancer-screening-among-churchgoing-latinas-fe-en-acci%C3%A3-n-faith-in-action
#18
J P Elder, J Haughton, L G Perez, M E Martínez, C L De la Torre, D J Slymen, E M Arredondo
Cancer screening rates among Latinas are generally low, reducing the likelihood of early cancer detection in this population. This article examines the effects of a community intervention (Fe en Acción/Faith in Action) led by community health workers (promotoras) on promoting breast, cervical and colorectal cancer screening among churchgoing Latinas. Sixteen churches were randomly assigned to a cancer screening or a physical activity intervention. We examined cancer knowledge, barriers to screening and self-reported mammography, clinical breast exam, Pap test, fecal occult blood test and sigmoidoscopy or colonoscopy at baseline and 12 months follow-up...
April 1, 2017: Health Education Research
https://www.readbyqxmd.com/read/28379726/recent-advances-in-diagnostic-colonoscopy-for-colorectal-cancer-screening-an-update-for-radiologists
#19
Cesare Hassan, Alessandro Repici
OBJECTIVE: Colonoscopy accuracy in detecting colorectal neoplasia is critical for colorectal cancer prevention but has been shown to be operator- and technology-dependent. This article will discuss several recent improvements in the technique and technology of colonoscopy. CONCLUSION: More rigorous training and retraining programs, active monitoring of endoscopist technique and outcomes, and exclusion of poorly performing endoscopists are urgently needed to improve the ultimate efficacy of colorectal cancer screening programs...
April 5, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28379020/-contribution-of-ct-colonography-to-clinical-practice
#20
Lukáš Lambert, Lucie Šimáková
CT colonography is a CT examination focused on the detection of colonic polyps and masses. Its most common indications include incomplete optical colonoscopy and generally personal preference in symptomatic or frail patients. CT colonography has a diagnostic yield similar to optical colonoscopy. It is less demanding for the patient, has shorter examination times, lower rates of adverse effects (including bowel perforation) and allows limited evaluation of extracolonic structures. In 10-15 % of asymptomatic patients, optical colonoscopy is needed if either a colonic polyp or mass is detected...
2017: Vnitr̆ní Lékar̆ství
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