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Information for readers
doi : 10.1016/S0016-5107(21)00060-2
Volume 93, Issue 3, March 2021, Page A16
Core curriculum for peroral endoscopic myotomy (POEM)
Sunil Dacha, Hiroyuki Aihara, Gobind S. Anand, Kathryn R. Byrne, ... Mihir S. Wagh
doi : 10.1016/j.gie.2020.10.026
Volume 93, Issue 3, March 2021, Pages 539-543
Second-generation distal attachment cuff improves adenoma detection rate: meta-analysis of randomized controlled trials
Harsh K. Patel, Viveksandeep Thoguluva Chandrasekar, Sachin Srinivasan, Suchi K. Patel, ... Prateek Sharma
doi : 10.1016/j.gie.2020.09.045
Volume 93, Issue 3, March 2021, Pages 544-553.e7
Multiple randomized controlled trials (RCTs) using the second-generation distal attachment cuff device (Endocuff Vision; Olympus America, Center Valley, Pa, USA) have reported conflicting results in improving adenoma detection rate (ADR) compared with standard high-definition colonoscopy without the distal attachment. We conducted a systematic review and meta-analysis of RCTs to compare outcomes between second-generation cuff colonoscopy (CC) versus colonoscopy without the distal attachment (standard colonoscopy [SC]).
Cuff-assisted colonoscopy: Should you be riding the mechanical enhancement wave?
YongYan Cui, Seth A. Gross
doi : 10.1016/j.gie.2020.11.004
Volume 93, Issue 3, March 2021, Pages 554-556
Incidence of metachronous cancer after endoscopic submucosal dissection: a comparison between undifferentiated-type and differentiated-type early gastric cancer
Mitsuaki Ishioka, Toshiyuki Yoshio, Yuji Miyamoto, Ken Namikawa, ... Junko Fujisaki
doi : 10.1016/j.gie.2020.06.067
Volume 93, Issue 3, March 2021, Pages 557-564.e1
Endoscopic submucosal dissection (ESD) has become an important and minimally invasive treatment for early gastric cancer (EGC) with a negligible risk of metastasis not only for differentiated-type (D-type) cancer but also for undifferentiated-type (UD-type) cancer. We aimed to investigate the incidence and characteristics of metachronous cancer after ESD for UD-type cancer, which has not yet been elucidated.
EUS-guided portal pressure gradient measurement in patients with acute or subacute portal hypertension
Wei Zhang, Chunyan Peng, Song Zhang, Shuling Huang, ... Ying Lv
doi : 10.1016/j.gie.2020.06.065
Volume 93, Issue 3, March 2021, Pages 565-572
EUS-guided portal pressure gradient (EUS-PPG) measurement is a novel method to evaluate portal hypertension severity. In this study, we determined the consistency between EUS-PPG and hepatic venous pressure gradient (HVPG) measurements in patients with acute or subacute portal hypertension.
Portal pressure measurement: Have we come full circle?
Ahmad Najdat Bazarbashi, Marvin Ryou
doi : 10.1016/j.gie.2020.08.007
Volume 93, Issue 3, March 2021, Pages 573-576
EUS-guided gallbladder drainage versus laparoscopic cholecystectomy for acute cholecystitis: a propensity score analysis with 1-year follow-up data
Anthony Yuen Bun Teoh, Chi Ho Leung, Prudence Tai Huen Tam, Kitty Kit Ying Au Yeung, ... Enders Kwok Wai Ng
doi : 10.1016/j.gie.2020.06.066
Volume 93, Issue 3, March 2021, Pages 577-583
EUS-guided gallbladder drainage (EUS-GBD) is a safe alternative to percutaneous cholecystostomy (PT-GBD) for acute cholecystitis. How the procedure compares with laparoscopic cholecystectomy (LC) is uncertain. The aim of the current study is to compare the outcomes of EUS-GBD with LC for acute cholecystitis.
EUS-guided gallbladder drainage is as good as laparoscopic cholecystectomy for symptomatic cholelithiasis: Wait!…what?!
Todd H. Baron
doi : 10.1016/j.gie.2020.08.013
Volume 93, Issue 3, March 2021, Pages 584-585
Early precut versus primary precut sphincterotomy to reduce post-ERCP pancreatitis: randomized controlled trial (with videos)
Sudhir Maharshi, Shyam Sunder Sharma
doi : 10.1016/j.gie.2020.06.064
Volume 93, Issue 3, March 2021, Pages 586-593
Precut sphincterotomy, usually performed after prolonged and failed cannulation, is considered a risk factor for post-ERCP pancreatitis (PEP). There are limited studies on primary needle-knife precut for the prevention of PEP. The aim of this study was to assess the safety and efficacy of primary precut.
Precut biliary sphincterotomy in ERCP: Don’t reach for the needle-knife quite so fast!
Matthew R. Krafft, Martin L. Freeman
doi : 10.1016/j.gie.2020.08.005
Volume 93, Issue 3, March 2021, Pages 594-596
Side-by-side comparison of next-generation sequencing, cytology, and histology in diagnosing locally advanced pancreatic adenocarcinoma
Silvia Carrara, Giulia Soldà, Milena Di Leo, Daoud Rahal, ... Alessandro Repici
doi : 10.1016/j.gie.2020.06.069
Volume 93, Issue 3, March 2021, Pages 597-604.e5
EUS-guided biopsy sampling is the method of choice for obtaining pancreatic tissue. Next-generation sequencing (NGS) has been applied to EUS-guided biopsy sampling and may classify patients based on specific molecular profiles. Our study aimed to compare side-by-side the diagnostic yield achievable by genetic identification of somatic mutations detected with NGS versus histologic and cytologic typing in locally advanced pancreatic carcinoma (LAPC) in samples acquired under EUS guidance.
K-ras point mutation detection as an ancillary diagnostic biomarker: 1 step forward and 2 steps back?
Ferga C. Gleeson
doi : 10.1016/j.gie.2020.07.024
Volume 93, Issue 3, March 2021, Pages 605-607
Incidence and risk factors for postoperative common bile duct stones in patients undergoing endoscopic extraction and subsequent cholecystectomy
Jung Wan Choe, Seung Young Kim, Dong-won Lee, Jong Jin Hyun, ... Sang Woo Lee
doi : 10.1016/j.gie.2020.06.060
Volume 93, Issue 3, March 2021, Pages 608-615
In patients who undergo cholecystectomy after endoscopic common bile duct (CBD) stone extraction, CBD stones found postoperatively could be problematic. This study aimed to investigate the incidence and risk factors of postoperative CBD stones after cholecystectomy.
Diagnostic yield and therapeutic impact of novel motorized spiral enteroscopy in small-bowel disorders: a single-center, real-world experience from a tertiary care hospital (with video)
Mohan Ramchandani, Hardik Rughwani, Pradev Inavolu, Aniruddha Pratap Singh, ... D. Nageshwar Reddy
doi : 10.1016/j.gie.2020.07.001
Volume 93, Issue 3, March 2021, Pages 616-626
Novel motorized spiral enteroscopy (NMSE) is a recent advancement in the field of enteroscopy and offers multiple features, including self-propulsion, better irrigation, and shorter enteroscope length with a larger channel. The aim of this study was to evaluate the efficacy in terms of diagnostic yield and therapeutic success of NMSE in patients undergoing enteroscopy by antegrade and/or retrograde approaches for suspected small-bowel disease.
Continuation of a fantastic voyage! From push and pull to a new novel motorized spiral enteroscope: the next chapter in deep enteroscopy
Jodie A. Barkin, Jonathan A. Leighton
doi : 10.1016/j.gie.2020.08.021
Volume 93, Issue 3, March 2021, Pages 627-629
no abstract
The prevalence of small-bowel polyps on video capsule endoscopy in patients with sporadic duodenal or ampullary adenomas
Halim Awadie, Amir Klein, David Tate, Bilel Jideh, ... Michael J. Bourke
doi : 10.1016/j.gie.2020.07.029
Volume 93, Issue 3, March 2021, Pages 630-636
Although sporadic duodenal and/or ampullary adenomas (DAs) are uncommon, they are increasingly diagnosed during upper endoscopy. These patients have a 3- to 7-fold increased risk of colonic neoplasia compared with the normal population. It is unknown, however, whether they also have an increased risk of additional small-bowel (SB) polyps. Our aim was to establish the prevalence of SB polyps in patients with DA.
Capsule endoscopy in persons with duodenal adenomas: Focus on the colon instead?
Jeffrey L. Tokar, Jennifer T. Higa
doi : 10.1016/j.gie.2020.09.006
Volume 93, Issue 3, March 2021, Pages 637-639
Safety and efficacy of a novel powered endoscopic debridement tissue resection device for management of difficult colon and foregut lesions: first multicenter U.S. experience
Vivek Kaul, David Diehl, Sarah Enslin, Anthony Infantolino, ... Kamran Ayub
doi : 10.1016/j.gie.2020.06.068
Volume 93, Issue 3, March 2021, Pages 640-646
The EndoRotor, nonthermal, powered endoscopic debridement (PED) instrument (Interscope Inc, Whitinsville, Mass, USA), is a novel device used in the GI tract. It uses adjustable suction and a rotary cutting blade to precisely resect mucosal and submucosal tissue. Our aim was to assess the technical feasibility, safety, and efficacy of PED using the EndoRotor device.
Computer-aided diagnosis system using only white-light endoscopy for the prediction of invasion depth in colorectal cancer
Mamoru Tokunaga, Tomoaki Matsumura, Rino Nankinzan, Takuto Suzuki, ... Naoya Kato
doi : 10.1016/j.gie.2020.07.053
Volume 93, Issue 3, March 2021, Pages 647-653
Endoscopic treatment is recommended for low-grade dysplasia (LGD), high-grade dysplasia (HGD), and colorectal cancer (CRC) with submucosal (SM) invasion <1000 ?m. However, diagnosis of invasion depth requires experience and is often difficult. This study developed and evaluated a novel computer-aided diagnosis (CAD) system to determine whether endoscopic treatment is appropriate for colorectal lesions using only white-light endoscopy (WLE).
Adverse events and residual lesion rate after cold endoscopic mucosal resection of serrated lesions ?10 mm
Connor D. McWhinney, Krishna C. Vemulapalli, Ahmed El Rahyel, Noor Abdullah, Douglas K. Rex
doi : 10.1016/j.gie.2020.08.032
Volume 93, Issue 3, March 2021, Pages 654-659
Cold EMR is being increasingly used for large serrated lesions. We sought to measure residual lesion rates and adverse events after cold EMR of large serrated lesions.
Turn down the heat on large serrated polyps
Christopher M. Navas, Heiko Pohl
doi : 10.1016/j.gie.2020.10.025
Volume 93, Issue 3, March 2021, Pages 660-661
Real-time artificial intelligence–based histologic classification of colorectal polyps with augmented visualization
Eladio Rodriguez-Diaz, Gy?rgy Baffy, Wai-Kit Lo, Hiroshi Mashimo, ... Satish K. Singh
doi : 10.1016/j.gie.2020.09.018
Volume 93, Issue 3, March 2021, Pages 662-670
Artificial intelligence (AI)–based computer-aided diagnostic (CADx) algorithms are a promising approach for real-time histology (RTH) of colonic polyps. Our aim is to present a novel in situ CADx approach that seeks to increase transparency and interpretability of results by generating an intuitive augmented visualization of the model’s predicted histology over the polyp surface.
Evaluation of colorectal endoscopic submucosal dissection using a multifunctional snare: a prospective clinical feasibility study (with videos)
Jun Arimoto, Ken Ohata, Hideyuki Chiba, Jun Tachikawa, ... Atsushi Nakajima
doi : 10.1016/j.gie.2020.09.019
Volume 93, Issue 3, March 2021, Pages 671-678
The number of colorectal endoscopic submucosal dissections (ESDs) for early colorectal cancer is expected to increase in the future; therefore, cost reduction is a clinically important issue. The SOUTEN snare (Kaneka Medics, Tokyo, Japan) is a novel multifunctional snare developed for hybrid ESD at a low price. If ESD can be performed safely using the SOUTEN snare, the same therapeutic effect can be obtained as with conventional ESD at a lower cost. The aim of this prospective, pilot, clinical feasibility study was to evaluate the safety and efficacy of ESD using the SOUTEN snare (SOUTEN-ESD).
A knife plus a snare, but how will it fare?
Kavel Visrodia, Amrita Sethi
doi : 10.1016/j.gie.2020.11.019
Volume 93, Issue 3, March 2021, Pages 679-681
Evaluating learning curves and competence in colorectal EMR among advanced endoscopy fellows: a pilot multicenter prospective trial using cumulative sum analysis
Dennis Yang, Yaseen B. Perbtani, Yu Wang, Amir Rumman, ... Christopher E. Forsmark
doi : 10.1016/j.gie.2020.09.023
Volume 93, Issue 3, March 2021, Pages 682-690.e4
Data on colorectal EMR (C-EMR) training are lacking. We aimed to evaluate C-EMR training among advanced endoscopy fellows (AEFs) by using a standardized assessment tool (STAT).
Postpolypectomy bleeding of colorectal polyps in patients with continuous warfarin and short-term interruption of direct oral anticoagulants
Hideaki Harada, Youichi Miyaoka, Takafumi Yuki, Tomoyuki Iwaki, ... Yuji Amano
doi : 10.1016/j.gie.2020.09.046
Volume 93, Issue 3, March 2021, Pages 691-698
Postpolypectomy bleeding (PPB) is the most common adverse event after colorectal polypectomy. Use of anticoagulants is an important risk factor for PPB. This study aimed to evaluate PPB in patients receiving treatment with warfarin and direct oral anticoagulants (DOACs).
Colorectal EMR outcomes in octogenarians versus younger patients referred for removal of large (?20 mm) nonpedunculated polyps
Christopher J. Lee, Krishna C. Vemulapalli, Douglas K. Rex
doi : 10.1016/j.gie.2020.10.014
Volume 93, Issue 3, March 2021, Pages 699-703
Data are limited on safety and outcomes of colorectal EMR in octogenarians (?80 years old). We sought to review outcome data for patients aged ?80 in a prospectively collected database of patients referred for large polyp removal.
Biomechanical risk factors associated with distal upper extremity musculoskeletal disorders in endoscopists performing colonoscopy
Amandeep K. Shergill, David Rempel, Alan Barr, David Lee, ... Carisa Harris-Adamson
doi : 10.1016/j.gie.2020.11.001
Volume 93, Issue 3, March 2021, Pages 704-711.e3
Endoscopists experience upper extremity musculoskeletal injuries. The primary aim of this study was to compare distal upper extremity biomechanical risk factors during colonoscopy with established risk thresholds. Secondary aims were to determine which subtasks during colonoscopy are associated with the greatest risk and to evaluate an intervention to reduce risks.
Optical diagnosis of colorectal polyps: a randomized controlled trial comparing endoscopic image-enhancing modalities
Roupen Djinbachian, Etienne Marchand, Heiko Pohl, Andres Aguilera-Fish, ... Daniel von Renteln
doi : 10.1016/j.gie.2020.11.023
Volume 93, Issue 3, March 2021, Pages 712-719.e1
Optical polyp diagnosis using image-enhanced endoscopy (IEE) allows for real-time histology prediction of colorectal polyps. The aim of this study was to evaluate a recently introduced IEE modality (Optivista [OV]; Pentax Medical, Tokyo, Japan) in a randomized controlled trial.
The National Polyp Study at 40: challenges then and now
Sidney J. Winawer, Ann G. Zauber, Michael J. O’Brien, Joseph Geenen, Jerome D. Waye
doi : 10.1016/j.gie.2020.09.044
Volume 93, Issue 3, March 2021, Pages 720-726
Continuing Medical Education Exam: March 2021
Karthik Ravi, William Ross, Ara Sahakian, Brian Weston, ... Michael B. Wallace
doi : 10.1016/j.gie.2021.01.035
Volume 93, Issue 3, March 2021, Pages 727-727.e5
Fully automated endoscopic disease activity assessment in ulcerative colitis
Heming Yao, Kayvan Najarian, Jonathan Gryak, Shrinivas Bishu, ... Ryan W. Stidham
doi : 10.1016/j.gie.2020.08.011
Volume 93, Issue 3, March 2021, Pages 728-736.e1
Endoscopy is essential for disease assessment in ulcerative colitis (UC), but subjectivity threatens accuracy and precision. We aimed to pilot a fully automated video analysis system for grading endoscopic disease in UC.
Automated endoscopic assessment in ulcerative colitis: the next frontier
Jimmy K. Limdi, Francis A. Farraye
doi : 10.1016/j.gie.2020.10.032
Volume 93, Issue 3, March 2021, Pages 737-739
Novel rigidizing overtube for colonoscope stabilization and loop prevention (with video)
Mike Tzuhen Wei, Joo Ha Hwang, Rabindra R. Watson, Walter Park, Shai Friedland
doi : 10.1016/j.gie.2020.07.054
Volume 93, Issue 3, March 2021, Pages 740-749
Loop formation can impede endoscope advancement, destabilize the tip, and cause pain. Strategies to mitigate looping include torque-based reduction maneuvers, variable stiffness shafts, and abdominal splinting. In some cases, these strategies are insufficient, and there is need for novel instruments. Loop formation is of particular concern in colonoscopy, but it can also impact performance of other endoscopic procedures such as enteroscopy and altered-anatomy ERCP. In this case series we demonstrate the utility of a novel rigidizing overtube (Pathfinder; Neptune Medical, Burlingame, Calif, USA) in colonoscopy and other endoscopic procedures where loop management is critical.
Application of optical character recognition with natural language processing for large-scale quality metric data extraction in colonoscopy reports
Sobia Nasir Laique, Umar Hayat, Shashank Sarvepalli, Byron Vaughn, ... Maged K. Rizk
doi : 10.1016/j.gie.2020.08.038
Volume 93, Issue 3, March 2021, Pages 750-757
Colonoscopy is commonly performed for colorectal cancer screening in the United States. Reports are often generated in a non-standardized format and are not always integrated into electronic health records. Thus, this information is not readily available for streamlining quality management, participating in endoscopy registries, or reporting of patient- and center-specific risk factors predictive of outcomes. We aim to demonstrate the use of a new hybrid approach using natural language processing of charts that have been elucidated with optical character recognition processing (OCR/NLP hybrid) to obtain relevant clinical information from scanned colonoscopy and pathology reports, a technology co-developed by Cleveland Clinic and eHealth Technologies (West Henrietta, NY, USA).
Will machines decipher colonoscopy quality from endoscopists’ notes?
Nastazja D. Pilonis, Michal F. Kaminski
doi : 10.1016/j.gie.2020.11.021
Volume 93, Issue 3, March 2021, Pages 758-760
Fatal pharyngoesophageal perforation caused by extraction of duodenal mass
Jennifer M. Kolb, Augustin Attwell
doi : 10.1016/j.gie.2020.01.022
Volume 93, Issue 3, March 2021, Pages 761-762
Therapeutic misadventure after use of cardiac septal occluder in an esophagopleural fistula
Sridhar Sundaram, Biswa Ranjan Patra, Aditya Kale, Manish Dodmani, Shobna Bhatia
doi : 10.1016/j.gie.2020.09.003
Volume 93, Issue 3, March 2021, Pages 762-764
Coil migration after EUS-guided coil embolization of gastric varices
Michael W. Rowley, Jorge Suarez
doi : 10.1016/j.gie.2020.09.013
Volume 93, Issue 3, March 2021, Pages 764-765
Numerous white nodules during continuous administration of a potent gastric acid suppressor
Yuji Kinoshita, Takuji Yamasaki, Masayuki Saruta
doi : 10.1016/j.gie.2020.09.038
Volume 93, Issue 3, March 2021, Page 766
Vonoprazan may cause white globe appearance in nonatrophic mucosa of stomach
Noriko Nishiyama, Hideki Kobara, Seiko Kagawa, Akira Nishiyama, Tsutomu Masaki
doi : 10.1016/j.gie.2020.09.037
Volume 93, Issue 3, March 2021, Pages 767-768
Endoscopic finding of a lace pattern in a case of Epstein-Barr virus–associated early gastric carcinoma
Yu Kobayashi, Hiroki Tanabe, Katsuyoshi Ando, Mikihiro Fujiya, Toshikatsu Okumura
doi : 10.1016/j.gie.2020.10.008
Volume 93, Issue 3, March 2021, Pages 768-769
Preoperative EUS-guided tattooing of a small, firm, deep pancreatic mass
Hussein Okasha, Mahmoud Wahba, Hossam Abdelkader El-fol, Yahya Elsherif
doi : 10.1016/j.gie.2020.10.003
Volume 93, Issue 3, March 2021, Pages 769-771
Cholangioscopic characterization of type II Mirizzi syndrome associated with multifocal intraductal papillary neoplasm of the bile duct (with video)
Vincent Zimmer, Bert Bier
doi : 10.1016/j.gie.2020.09.005
Volume 93, Issue 3, March 2021, Pages 771-772
Detection of occult liver metastases during EUS: Does the contrast make the difference?
Giacomo Tamanini, Andrea Lisotti, Pietro Fusaroli
doi : 10.1016/j.gie.2020.09.024
Volume 93, Issue 3, March 2021, Page 773
Response
Kosuke Minaga, Masayuki Kitano
doi : 10.1016/j.gie.2020.12.045
Volume 93, Issue 3, March 2021, Pages 773-774
Evaluation of preparation methods for colonoscopy
Kris Acebedo, Ravi Thiruvengadam
doi : 10.1016/j.gie.2020.09.026
Volume 93, Issue 3, March 2021, Pages 774-775
Response
Xubing Zhang, Qingbin Wu, Ziqiang Wang
doi : 10.1016/j.gie.2020.11.003
Volume 93, Issue 3, March 2021, Page 775
Does dual red imaging work better?
Rui Wu, Wentao Fan, Lili Zhao, Zhining Fan
doi : 10.1016/j.gie.2020.09.047
Volume 93, Issue 3, March 2021, Pages 775-776
Validated training tools are needed for assessing competency in colorectal endoscopic mucosal resection
Trilokesh D. Kidambi, Jeffrey K. Lee
doi : 10.1016/j.gie.2020.10.034
Volume 93, Issue 3, March 2021, Pages 776-777
Response
Yaseen B. Perbtani, Peter V. Draganov, Dennis Yang
doi : 10.1016/j.gie.2020.10.020
Volume 93, Issue 3, March 2021, Page 777
Performance comparison between next-generation and shear-thinning hydrogel-based submucosal injection materials
Ryohei Hirose, Takaaki Nakaya, Yuji Naito, Naohisa Yoshida, Yoshito Itoh
doi : 10.1016/j.gie.2020.10.030
Volume 93, Issue 3, March 2021, Pages 777-779.e4
Potential problems in performing endoscopic string clip suturing
Satoshi Abiko, Itsuki Sano, Hisashi Oda, Takuto Miyagishima
doi : 10.1016/j.gie.2020.11.016
Volume 93, Issue 3, March 2021, Page 779
Response
Toshihiro Nishizawa, Teppei Akimoto, Naohisa Yahagi
doi : 10.1016/j.gie.2020.12.027
Volume 93, Issue 3, March 2021, Page 780
