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A review of technical advances in virtual colonoscopy

F Vos, I Serlie, R van Gelder, J Stoker, H Vrooman, F Post
2001 Studies in Health Technology and Informatics  
Early detection of polyps has proven to lead to a decrease in incidence of colon cancer. In the past few years, virtual colonoscopy has been developed as a patient-friendly screen-ing technique.  ...  This paper describes the progress in research for virtual colonoscopy.  ...  The research described in this paper indicates that important steps are made in the right direction. It is expected that VC will become a standardized tool for radiologists.  ... 
pmid:11604871 fatcat:ga67loofjfh63dj5ug3tkzxpqq

Science, medicine, and the future: Virtual colonoscopy

S. Halligan, H. M Fenlon
1999 BMJ (Clinical Research Edition)  
Virtual colonoscopy is a new procedure that fuses computed tomography of the large bowel with advanced techniques for rendering three dimensional images to produce views of the colonic mucosa similar to  ...  This review summarises the technical developments that have made virtual colonoscopy possible and describes the expected advantages of this exciting technique over conventional endoscopy and more traditional  ...  Future developments Virtual colonoscopy is in the early stages of its development.  ... 
doi:10.1136/bmj.319.7219.1249 pmid:10550093 pmcid:PMC1117022 fatcat:imwcdcxca5fzponoa5ronwurzq

Effective colonoscopy training techniques: strategies to improve patient outcomes

Pantelis Karatzas, Lazaros Varytimiadis, Athanasios Tsigaridas, Michael Galanopoulos, Nikos Viazis, Dimitrios Karamanolis, Ioannis Papanikolaou
2016 Advances in Medical Education and Practice  
In this review, we present the most important training methods currently available and evaluate these using existing literature. We also try to propose a training algorithm for novice endoscopists.  ...  Colonoscopy has substantially evolved during the last 20 years and many different training techniques have been developed in order to improve the performance of endoscopists.  ...  Technical reasons such as the excessive brightness of the virtual image and the inability for an ideal preparation of the colon are implicated as the drawbacks of virtual chromoendoscopy.  ... 
doi:10.2147/amep.s99617 pmid:27099542 pmcid:PMC4822804 fatcat:vh5h4tlthrgxhoaqnfq5zt47ri

Role of virtual reality simulation in endoscopy training

Louis Harpham-Lockyer
2015 World Journal of Gastrointestinal Endoscopy  
Recognition of the overall trend suggesting an improvement or reduction in skill level was sufficient in this review, negating the technicalities of the different measures.  ...  and endoscopy", "simulation and colonoscopy", "virtual reality and gastro scopy", etc.), in order to identify all relevant papers investigating the role of virtual reality simulation in endoscopy training  ... 
doi:10.4253/wjge.v7.i18.1287 pmid:26675895 pmcid:PMC4673391 fatcat:g62z33harbhx5lqy33y7vm23ge

Simulation-Based Training for Colonoscopy

Louise Preisler, Morten Bo Søndergaard Svendsen, Nikolaj Nerup, Lars Bo Svendsen, Lars Konge
2015 Medicine  
The 2 tested simulations-based modalities provided reliable and valid assessments of competence in colonoscopy and credible pass/fail standards were established for both the tests.  ...  The aim of this study was to create simulation-based tests with credible pass/fail standards for 2 different fidelities of colonoscopy models. Only competent practitioners should perform colonoscopy.  ...  Only core technical skills of colonoscopy were rated on a scale from 0 to 2 points (handling of the scope, safe scope advancement, extensive force used, visualized mucosa during withdrawal, and successful  ... 
doi:10.1097/md.0000000000000440 pmid:25634177 pmcid:PMC4602958 fatcat:xgal4ltiu5gphk6ljdzwikbbsu

Investigating rectal bleeding

David Burling, James E East, Stuart A Taylor
2007 BMJ (Clinical Research Edition)  
Conventional colonoscopy is considered the optimal investigation for rectal bleeding; however, this article explores the use of virtual colonoscopy as a new investigative technique  ...  a proximal cancer or to exclude a synchronous cancer (or advanced polyp), which could be included in the subsequent surgical resection.  ...  Virtual colonoscopy is available in about a third of NHS centres and is not currently included in core specialist registrar radiology training.  ... 
doi:10.1136/bmj.39379.598090.ad pmid:18079550 pmcid:PMC2137055 fatcat:bk6jgy4cingpdbdvf7brwnrdle

Training in Endoscopy: Colonoscopy

Hyun Joo Jang
2017 Clinical Endoscopy  
Therefore, trainee competence is a critical component of CRC screening and surveillance. Herein, we review the colonoscopy training methods and quality assessment metrics for colonoscopy competency.  ...  Colonoscopy is a technically difficult procedure that is challenging to learn, and needs time and effort to gain competency.  ...  A systematic review of these validated scales reported that the BBPS was the best and should be used in clinical settings.  ... 
doi:10.5946/ce.2017.077 pmid:28783920 pmcid:PMC5565050 fatcat:73n6mmp44zh3zorgbsdotydfwm

Computed tomographic colonography: Hope or hype?

Otto Schiueh-Tzang Lin
2010 World Journal of Gastroenterology  
A comparison of virtual and conventional colonoscopy for the detection of colorectal polyps. N Engl J .  ...  Computed tomographic colonography (virtual colonoscopy): a multicenter comparison with standard colonoscopy for detection of colorectal neoplasia.  ...  The only exception is a limited program in Wisconsin; review of data from this program has shown similar detection rates of advanced neoplasia for colonoscopic screening vs CTC screening [51] .  ... 
doi:10.3748/wjg.v16.i8.915 pmid:20180228 pmcid:PMC2828594 fatcat:gqe4xct4jbew5ig4g33mghyo5e

Endoscopic simulators

David J. Desilets, Subhas Banerjee, Bradley A. Barth, Vivek Kaul, Sripathi R. Kethu, Marcos C. Pedrosa, Patrick R. Pfau, Jeffrey L. Tokar, Shyam Varadarajulu, Amy Wang, Louis-Michel Wong Kee Song, Sarah A. Rodriguez
2011 Gastrointestinal Endoscopy  
technical difficulties such as loop formation during colonoscopy.  ...  Advancement of the endoscope through the simulator may be more difficult than in an actual patient because of tissue rigidity and loss of elasticity.  ... 
doi:10.1016/j.gie.2011.01.063 pmid:21521562 fatcat:333abvlv5bfcvelnjm2txxsn3a

Virtual reality simulators for gastrointestinal endoscopy training

Konstantinos Triantafyllou
2014 World Journal of Gastrointestinal Endoscopy  
From their first steps in the 1980s until today, research involving virtual endoscopic simulators can be divided in two categories: investigation of the impact of virtual simulator training in acquiring  ...  These integrated modalities offer a human-like endoscopy experience by combining virtual images of the gastrointestinal tract and haptic realism with using a customized endoscope.  ...  Although modern virtual endoscopy simulators offer a large variety of modules, trials reviewed herein examine only the effect of virtual endoscopic training in upper gastrointestinal endoscopy, colonoscopy  ... 
doi:10.4253/wjge.v6.i1.6 pmid:24527175 pmcid:PMC3921444 fatcat:kogi5hzc3babpmto5wcmpnc4pa

Virtual reality simulation in endoscopy training: Current evidence and future directions

Tahrin Mahmood, Michael Anthony Scaffidi, Rishad Khan, Samir Chandra Grover
2018 World Journal of Gastroenterology  
RCTs reported many outcomes including distance advanced in colonoscopy, comprehensive assessment of technical and non-technical skills, and patient comfort.  ...  This is a review of the evidence surrounding virtual reality simulation and its efficacy in teaching endoscopic techniques.  ...  RCTs reported many outcomes including distance advanced in colonoscopy, comprehensive assessment of technical and non-technical skills, and patient comfort.  ... 
doi:10.3748/wjg.v24.i48.5439 fatcat:boysx4ne3ja3zh5jgjfzobj3hu

Screening techniques for prevention and early detection of colorectal cancer in the average-risk population

Hana Strul, Nadir Arber
2007 Gastrointestinal cancer research : GCR  
CRC has a natural history of transition from normal mucosa through adenoma to malignant lesion that spans, on average, 15 to 20 years, providing a window of opportunity for effective prevention and intervention  ...  Several new screening modalities, such as self-navigating colonoscopes, prepless virtual colonoscopy, and stool genetic testing, may improve compliance.  ...  Until then, virtual colonoscopy may be reserved for patients who pose technical or other difficulties (including psychologic) in performing a conventional colonoscopy.  ... 
pmid:19262715 pmcid:PMC2632817 fatcat:ovlum3gxcrectoolrucktpyefi

Advanced endoscopic imaging to improve adenoma detection

Helmut Neumann
2015 World Journal of Gastrointestinal Endoscopy  
In this review we will focus on the newest developments in the field of colonoscopic imaging to improve adenoma detection rates.  ...  Within recent years a variety of modern endoscopic imaging techniques was introduced to improve adenoma detection rates.  ...  The technical details of the systems have been reviewed in detail elsewhere [14, 15] .  ... 
doi:10.4253/wjge.v7.i3.224 pmid:25789092 pmcid:PMC4360440 fatcat:ecfrx36jtrfurmkegtjccjwoei

How Do I Overcome Difficulties in Insertion?

Yunho Jung, Suck-Ho Lee
2012 Clinical Endoscopy  
There are number of factors that affect the difficulty of the colonoscopy such as technical skill of the endoscopist, angulated sigmoid, redundant colon, advanced age, female gender, diverticular disease  ...  Demand for colonoscopy is increasing because it is an important tool not only for screening of colorectal neoplasm but also for resection of such lesions in early stage.  ...  In other words, about 5% to 10% of cases were defined as a "difficult colonoscopy. " Risk factors for difficult colonoscopy The overall technical skill of endoscopists is the foremost risk factor for  ... 
doi:10.5946/ce.2012.45.3.278 pmid:22977817 pmcid:PMC3429751 fatcat:txaavcmbbfbyxouj6c5oin5qeu

Canadian Credentialing Guidelines for Esophagogastroduodenoscopy

Terry Ponich, Robert Enns, Joseph Romagnuolo, Jonathon Springer, David Armstrong, Alan N Barkun
2008 Canadian Journal of Gastroenterology  
) require a training program that generally involves a minimum of six to 12 months in training allied to the acquisition of technical skills.  ...  However, a systematic review of 62 studies (51) suggests that, in fact, there is an inverse relationship between the quality of care delivered and the number of years in practice.  ... 
doi:10.1155/2008/987012 pmid:18414707 pmcid:PMC2662889 fatcat:vjrhoqu2njamjdv5kuf4xk6yuq
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