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2. Virtual chromoendoscopy to assess colorectal polyps during colonoscopy

Virtual chromoendoscopy to assess colorectal polyps during colonoscopy Virtual chromoendoscop Virtual chromoendoscopy to assess y to assess colorectal polyps during colonoscop colorectal polyps during colonoscopy y Diagnostics guidance Published: 10 May 2017 nice.org.uk/guidance/dg28 © NICE 2018. All rights reserved. Subject to Notice of rights (https://www.nice.org.uk/terms-and-conditions#notice-of- rights).Y Y our responsibility our responsibility This guidance represents the view of NICE (...) possible. Virtual chromoendoscopy to assess colorectal polyps during colonoscopy (DG28) © NICE 2018. All rights reserved. Subject to Notice of rights (https://www.nice.org.uk/terms-and- conditions#notice-of-rights). Page 2 of 40Contents Contents 1 Recommendation 4 2 Clinical need and practice 5 The problem addressed 5 The condition 6 The diagnostic and care pathways 6 3 The diagnostic tests 10 The interventions 10 The comparator 11 4 Evidence 12 Clinical effectiveness 12 Cost effectiveness 16 5

2017 National Institute for Health and Clinical Excellence - Diagnostics Guidance

3. A Randomized Trial Comparing High Definition Colonoscopy Alone With High Definition Dye Spraying and Electronic Virtual Chromoendoscopy for Detection of Colonic Neoplastic Lesions During IBD Surveillance Colonoscopy. (PubMed)

A Randomized Trial Comparing High Definition Colonoscopy Alone With High Definition Dye Spraying and Electronic Virtual Chromoendoscopy for Detection of Colonic Neoplastic Lesions During IBD Surveillance Colonoscopy. Dye spraying chromoendoscopy (DCE) is recommended for the detection of colonic neoplastic lesions in inflammatory bowel disease (IBD). The majority of neoplastic lesions are visible endoscopically and therefore targeted biopsies are appropriate for surveillance colonoscopy (...) . To compare three different techniques for surveillance colonoscopy to detect colonic neoplastic lesions in IBD patients: high definition (HD), (DCE), or virtual chromoendoscopy (VCE) using iSCAN image enhanced colonoscopy.A randomized non-inferiority trial was conducted to determine the detection rates of neoplastic lesions in IBD patients with longstanding colitis. Patients with inactive disease were enrolled into three arms of the study. Endoscopic neoplastic lesions were classified by the Paris

2017 American Journal of Gastroenterology

4. Impact of endoscopy system, high definition, and virtual chromoendoscopy in daily routine colonoscopy: a randomized trial. (PubMed)

Impact of endoscopy system, high definition, and virtual chromoendoscopy in daily routine colonoscopy: a randomized trial.  To improve detection of mucosal lesions during colonoscopy a number of imaging modalities have been suggested, including high definition and virtual chromoendoscopy. Given the theoretical advantage of these new imaging techniques, we aimed to investigate their use for the detection of polyps in patients referred for colonoscopy in a large tertiary hospital. Demographic (...) , endoscopic, and histological data from 1855 consecutive patients undergoing colonoscopy were collected prospectively. Patients were randomly assigned to three endoscopy systems (Fujinon, Olympus, or Pentax) in combination with four modalities: conventional white-light colonoscopy (n = 505), high definition white-light colonoscopy (n = 582), virtual chromoendoscopy (n = 285) and high definition virtual chromoendoscopy (n = 483). The mean adenoma detection rate (ADR) was 34.9 %, and the adenoma per

2019 Endoscopy

5. Educational virtual reality videos in improving bowel preparation quality and satisfaction of outpatients undergoing colonoscopy: protocol of a randomised controlled trial. (PubMed)

Educational virtual reality videos in improving bowel preparation quality and satisfaction of outpatients undergoing colonoscopy: protocol of a randomised controlled trial. Colonoscopy is the reference method in screening and diagnosis of colorectal neoplasm, but its efficacy is closely related to the quality of bowel preparation. Poor patient compliance is a major risk factor for inadequate bowel preparation likely due to poor patient education. Such an education is usually provided via either (...) oral or written instructions by clinicians. However, multiple education methods, such as smartphone applications, have been proved useful in aiding patients through bowel preparation. Also, it was reported that a large proportion of patients feel anxious before colonoscopy. Virtual reality (VR) is a novel method to educate patients and provides them with an immersive experience. Theoretically, it can make patients better prepared for bowel preparation and colonoscopy. However, no prospective

2019 BMJ open

6. Back-to-Back Comparison of Colonoscopy With Virtual Chromoendoscopy Using a Third-Generation Narrow-Band Imaging System to Chromoendoscopy With Indigo Carmine in Patients With Lynch Syndrome. (PubMed)

Back-to-Back Comparison of Colonoscopy With Virtual Chromoendoscopy Using a Third-Generation Narrow-Band Imaging System to Chromoendoscopy With Indigo Carmine in Patients With Lynch Syndrome. Colonoscopic screening with indigo carmine chromoendoscopy (ICC) in patients with Lynch syndrome (LS) improves the adenoma detection rate but is time consuming and poorly used in clinical practice. Narrow-band imaging (NBI), a virtual chromoendoscopy technique, highlights superficial mucosal vessels (...) and improves adenoma characterization. We conducted a prospective multicenter trial in a back-to-back fashion to compare the third-generation NBI with ICC for detecting colonic adenomas in patients with LS.In a multicenter, prospective, noninferiority trial, 138 patients underwent a double colonoscopy, first with NBI, followed by ICC, in a back-to-back design. The primary noninferiority outcome measure was the number of patients with at least one adenoma after NBI compared with the number of patients

2019 American Journal of Gastroenterology

7. Colonoscopy procedure simulation: virtual reality training based on a real time computational approach (PubMed)

Colonoscopy procedure simulation: virtual reality training based on a real time computational approach Colonoscopy plays an important role in the clinical screening and management of colorectal cancer. The traditional 'see one, do one, teach one' training style for such invasive procedure is resource intensive and ineffective. Given that colonoscopy is difficult, and time-consuming to master, the use of virtual reality simulators to train gastroenterologists in colonoscopy operations offers (...) a promising alternative.In this paper, a realistic and real-time interactive simulator for training colonoscopy procedure is presented, which can even include polypectomy simulation. Our approach models the colonoscopy as thick flexible elastic rods with different resolutions which are dynamically adaptive to the curvature of the colon. More material characteristics of this deformable material are integrated into our discrete model to realistically simulate the behavior of the colonoscope.We present

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2018 Biomedical engineering online

8. Virtual Reality Videos in Improving Bowel Preparation Quality of Colonoscopy

Virtual Reality Videos in Improving Bowel Preparation Quality of Colonoscopy Virtual Reality Videos in Improving Bowel Preparation Quality of Colonoscopy - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more (...) . Virtual Reality Videos in Improving Bowel Preparation Quality of Colonoscopy The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. of clinical studies and talk to your health care provider before participating. Read our for details. ClinicalTrials.gov Identifier: NCT03667911 Recruitment Status : Recruiting First Posted : September 12, 2018 Last Update Posted

2018 Clinical Trials

9. As radiologists push for “virtual” colonoscopy coverage, risk of misleading readers is real

As radiologists push for “virtualcolonoscopy coverage, risk of misleading readers is real As radiologists push for "virtual" colonoscopy coverage, risk of misleading readers is real - HealthNewsReview.org Note to our followers: Our nearly 13-year run of daily publication of new content on HealthNewsReview.org came to a close at the end of 2018. Publisher Gary Schwitzer and other contributors may post new articles periodically. But all of the 6,000+ articles we have published contain lessons (...) to help you improve your critical thinking about health care interventions. And those will be still be alive on the site for a couple of years. 6093 Posts Menu September 12, 2016 As radiologists push for “virtualcolonoscopy coverage, risk of misleading readers is real Posted By Categories , , Tags , , , Claims from an ACR news release made their way into a Baltimore Sun story on virtual colonoscopy. Credit Barbara Haddock/TNS. The American College of Radiology (ACR), together with the Colon Cancer

2016 HealthNewsReview

10. The Effects of Virtual Colonoscopy on Intraocular Pressure

The Effects of Virtual Colonoscopy on Intraocular Pressure The Effects of Virtual Colonoscopy on Intraocular Pressure - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. The Effects of Virtual Colonoscopy (...) Information provided by (Responsible Party): Shlomo gavrielli, Rabin Medical Center Study Details Study Description Go to Brief Summary: Our trial examined the intraocular pressure measurements differences, before and after virtual colonoscopy examination. Condition or disease Intervention/treatment Intraocular Pressure Disorder Device: Virtual colonoscopy Detailed Description: Glaucoma is a complicated disease in which damage to the optic nerve leads to progressive, irreversible vision loss. Glaucoma

2017 Clinical Trials

11. Clinical Significance of Preoperative Virtual Colonoscopy for Evaluation of the Proximal Colon in Patient With Obstructive Colorectal Cancer (PubMed)

Clinical Significance of Preoperative Virtual Colonoscopy for Evaluation of the Proximal Colon in Patient With Obstructive Colorectal Cancer Virtual colonoscopy is the most recently developed tool for detecting colorectal cancers and polyps, but its effectiveness is limited. In our study, we compared the result of preoperative virtual colonoscopy to result of preoperative and postoperative colonoscopy. We evaluated also the accuracy of preoperative virtual colonoscopy in patients who had (...) obstructive colorectal cancer that did not allow passage of a colonoscope.A total of 164 patients who had undergone preoperative virtual colonoscopy and curative surgery after the diagnosis of a colorectal adenocarcinoma between November 2008 and August 2013 were pooled. We compared the result of conventional colonoscopy with that of virtual colonoscopy in the nonobstructive group and the results of preoperative virtual colonoscopy with that of postoperative colonoscopy performed at 6 months after surgery

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2017 Annals of coloproctology

12. Virtual Colonoscopy

Virtual Colonoscopy Virtual Colonoscopy Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Virtual Colonoscopy Virtual Colonoscopy Aka (...) : Virtual Colonoscopy , Computed Tomographic Colonography , Computed Tomographic Colonoscopy , CT Colonography II. Epidemiology Adjusted protocol has recently improved efficacy Same as CT programmed to remove artifact Barium solution (500 cc) tags solid stool Opacifying solution (120 ml) tags fluid Adjusted protocol efficacy equivalent to Polyps >6 mm : 88.7% : 79.6% Polyps >10 mm : 93.8% Test specificty: 96% Study showed lower predictive value of CTC if >6 mm: 46.6% if >6 mm: 50% Proposed Indication

2018 FP Notebook

13. Targeted Biopsies Identify Larger Proportions of Patients With Colonic Neoplasia Undergoing High-definition Colonoscopy, Dye Chromoendoscopy, or Electronic Virtual Chromoendoscopy. (PubMed)

Targeted Biopsies Identify Larger Proportions of Patients With Colonic Neoplasia Undergoing High-definition Colonoscopy, Dye Chromoendoscopy, or Electronic Virtual Chromoendoscopy. It is unclear what are the best and most appropriate endoscopic procedures for detecting colonic neoplasia in patients with long-term colonic inflammatory bowel disease (IBD). Dye chromoendoscopy (DCE) is the standard used in IBD surveillance colonoscopies. However, studies are needed to determine the optimal (...) % with indeterminate colitis) who underwent surveillance colonoscopy from April 2011 through March 2014 at the University of Calgary in Canada. Subjects were examined using white-light standard-definition endoscopy (WLE), high-definition (HD) colonoscopy, virtual electronic chromoendoscopy (VCE), or DCE; random or targeted biopsy specimens were collected. Endoscopic and histologic descriptions with suspected neoplasia were recorded. Rates of neoplasia detection by the different endoscopic procedures were compared

2016 Clinical Gastroenterology and Hepatology

14. Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy. (PubMed)

that skills gained through simulation positively transfer to the clinical environment. This updated review was performed to evaluate the effectiveness of virtual reality (VR) simulation training in gastrointestinal endoscopy.To determine whether virtual reality simulation training can supplement and/or replace early conventional endoscopy training (apprenticeship model) in diagnostic oesophagogastroduodenoscopy, colonoscopy, and/or sigmoidoscopy for health professions trainees with limited or no prior (...) Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy. Endoscopy has traditionally been taught with novices practicing on real patients under the supervision of experienced endoscopists. Recently, the growing awareness of the need for patient safety has brought simulation training to the forefront. Simulation training can provide trainees with the chance to practice their skills in a learner-centred, risk-free environment. It is important to ensure

2018 Cochrane

15. Virtual colonoscopy, optical colonoscopy, or fecal occult blood testing for colorectal cancer screening: results of a pilot randomized controlled trial. (PubMed)

Virtual colonoscopy, optical colonoscopy, or fecal occult blood testing for colorectal cancer screening: results of a pilot randomized controlled trial. No head-to-head randomized controlled trials have demonstrated the superiority of one colorectal screening modality over another in reducing colorectal cancer mortality. We conducted a pilot randomized controlled trial of fecal occult blood testing (FOBT), optical colonoscopy (OC), and virtual colonoscopy (VC), to inform the planning

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2015 Trials

16. [Virtual colonoscopy: meta-analysis of diagnostic accuracy, indications and conditions of use]

[Virtual colonoscopy: meta-analysis of diagnostic accuracy, indications and conditions of use] Coloscopie virtuelle: meta-analyse des performances diagnostiques indications et conditions de realisation [Virtual colonoscopy: meta-analysis of diagnostic accuracy, indications and conditions of use] Coloscopie virtuelle: meta-analyse des performances diagnostiques indications et conditions de realisation [Virtual colonoscopy: meta-analysis of diagnostic accuracy, indications and conditions of use (...) ] Haute Autorité de Santé Record Status This is a bibliographic record of a published health technology assessment from a member of INAHTA. No evaluation of the quality of this assessment has been made for the HTA database. Citation Haute Autorité de Santé. Coloscopie virtuelle: meta-analyse des performances diagnostiques indications et conditions de realisation. [Virtual colonoscopy: meta-analysis of diagnostic accuracy, indications and conditions of use] Paris: Haute Autorité de Santé (HAS). 2010

2010 Health Technology Assessment (HTA) Database.

17. Colon Capsule Versus Virtual Colonoscopy for Colorectal Cancer Screening

Colon Capsule Versus Virtual Colonoscopy for Colorectal Cancer Screening Colon Capsule Versus Virtual Colonoscopy for Colorectal Cancer Screening - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Colon (...) Capsule Versus Virtual Colonoscopy for Colorectal Cancer Screening (COCAGI) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT02558881 Recruitment Status : Completed First Posted : September 24, 2015 Last Update Posted : September 24, 2015 Sponsor: Hospices Civils de Lyon Information provided

2015 Clinical Trials

18. Value of Virtual Colonoscopy with 64 Row CT in Evaluation of Colorectal Cancer (PubMed)

Value of Virtual Colonoscopy with 64 Row CT in Evaluation of Colorectal Cancer Virtual colonoscopy (VC) enables three-dimensional view of walls and internal lumen of the colon as a result of reconstruction of multislice CT images. The role of VC in diagnosis of the colon abnormalities systematically increases, and in many medical centers all over the world is carried out as a screening test of patients with high risk of colorectal cancer.We analyzed results of virtual colonoscopy of 360 (...) patients with clinical suspicion of colorectal cancer. Sensitivity and specificity of CT colonoscopy for detection of colon cancers and polyps were assessed.Results of our research have shown high diagnostic efficiency of CT colonoscopy in detection of focal lesions in large intestine of 10 mm or more diameter. Sensitivity was 85.7%, specificity 89.2%.Virtual colonoscopy is noninvasive and well tolerated by patients imaging method, which permits for early detection of the large intestine lesions

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2014 Polish Journal of Radiology

19. Serrated adenoma prevalence in inflammatory bowel disease surveillance colonoscopy, and characteristics revealed by chromoendoscopy and virtual chromoendoscopy (PubMed)

Serrated adenoma prevalence in inflammatory bowel disease surveillance colonoscopy, and characteristics revealed by chromoendoscopy and virtual chromoendoscopy Sessile or nonpolypoid neoplastic lesions, including sessile serrated adenomas (SSAs), are difficult to detect in patients with inflammatory bowel disease (IBD).To assess the prevalence and endoscopic features of SSA in IBD patients undergoing surveillance colonoscopy using novel endoscopic techniques.Histology results of biopsies from (...) a cohort of 87 patients (47 men; median age 51.4 years; median duration of disease 16.9 years; ulcerative colitis [n=40], Crohn disease [n=43], ischemic colitis [n=4]) with longstanding colonic IBD undergoing surveillance colonoscopy were reviewed. Lesions of dysplasia (adenoma-like mass, or dysplasia-associated lesion or mass), SSAs, adenoma-like polyps, hyperplastic polyps and inflammatory polyps were identified. Surveillance colonoscopy using high-definition alone, or with iScan (Pentax, USA) dye

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2014 Canadian journal of gastroenterology & hepatology

20. Impact of Electronic Chromoendoscopy on Adenoma Miss Rates During Colonoscopy: A Systematic Review and Meta-analysis. (PubMed)

Impact of Electronic Chromoendoscopy on Adenoma Miss Rates During Colonoscopy: A Systematic Review and Meta-analysis. The impact of virtual chromoendoscopy such as narrow-band imaging, Fujinon intelligent chromoendoscopy, blue-laser imaging, linked-color imaging, and i-SCAN on adenoma detection rate has been variable. However, adenoma miss rate (another measure suggested as a quality indicator) of electronic chromoendoscopy modalities has not been systematically evaluated.This study aimed (...) detection rate was not statistically different with electronic chromoendoscopy than white-light endoscopy (OR, 1.02 (0.88-1.19); p = 0.78).The small number of studies to assess the impact of each modality limited stratified conclusions.Electronic chromoendoscopy is not associated with a significant reduction in adenoma miss rate compared with white-light colonoscopy.

2019 Diseases of the Colon & Rectum

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