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Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society

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https://www.readbyqxmd.com/read/28816408/endoscopic-treatment-of-barrett-s-esophagus-what-can-we-learn-from-the-western-perspective
#1
REVIEW
Yuto Shimamura, Yugo Iwaya, Kenichi Goda, Christopher W Teshima
The incidence of Barrett's esophagus (BE) related neoplasia in Western countries has increased in the past several decades, and even in Eastern countries, it appears to be increasing. Endoscopic therapies are the first-line treatment for BE-related neoplasia, however there is still no standardized treatment strategy. Most of the data have been published from Western countries where the ultimate goal of treatment is complete eradication of BE mucosa removing subtle synchronous lesions and preventing metachronous neoplasia...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28816382/endoscopic-diagnosis-and-treatment-of-superficial-pharyngeal-cancer
#2
Chikatoshi Katada, Tabito Okamoto, Koichi Kano
Many cases of head and neck cancer are detected on the basis of symptoms and therefore are advanced at the time of diagnosis. Such cancers have been treated by invasive surgery and chemoradiotherapy. Recently, innovative technological developments have been made in gastrointestinal endoscopy in Japan, such as image-enhanced magnifying endoscopy, allowing superficial head and neck cancer to be detected.(1,2) Because superficial head and neck cancer previously could not be detected, diagnostic and treatment strategies have not yet been established and have become a new field of diagnosis and therapy...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28816381/non-exposed-endoscopic-wall-inversion-surgery-for-submucosal-tumor-of-the-duodenum-a-novel-case-report
#3
Prasit Mahawongkajit, Ajjana Techagumpuch, Pakkavuth Chanswangphuvana
Laparoscopic and endoscopic cooperative surgery for duodenal tumor is the precise oncologic resection procedure and the closure of the defect (1). Non-exposed Endoscopic Wall-inversion Surgery (NEWS) is a novel minimally invasive technique for gastric submucosal mass (SMT) and early gastric cancer having advantageous precision to determine the resection line with no risk of peritoneal contamination (2-5). We describe the NEWS technique that we applied and performed for a small duodenal SMT. This article is protected by copyright...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28816376/acetic-acid-indigo-carmine-mixture-for-evaluating-the-margins-of-sessile-serrated-adenomas-polyps
#4
Shunsuke Yamamoto, Morteza Shafazand
Sessile serrated adenomas/polyps (SSA/Ps) have attracted increasing attention since their risk of developing into cancer was clarified [1]. Difficulty in determining their margins causes incomplete resection [2]. Although narrow-band imaging (NBI) and other advanced imaging systems are reportedly useful in evaluating these polyps [3, 4]. This article is protected by copyright. All rights reserved.
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28816375/adenocarcinoma-of-the-colon-presenting-as-a-submucosal-tumor
#5
Hourin Cho, Shigeki Sekine, Masau Sekiguchi
A 64-year-old woman underwent colonoscopy for abdominal discomfort and a protruded lesion measuring approximately 10 mm was detected in the descending colon. The tumor was entirely covered by normal-appearing mucosa and was regarded as a submucosal tumor (SMT). A small adenomatous polyp was present beside the SMT (Figure 1). For precise histological assessment of the SMT and therapeutic purpose of the coexisted polyp, we performed complete resection of the lesions by endoscopic submucosal dissection. This article is protected by copyright...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28816373/efficacy-and-safety-of-using-premedication-with-simethicone-pronase-during-upper-gastrointestinal-endoscopy-examination-with-sedation-a-single-center-prospective-single-blinded-randomized-controlled-trial
#6
Ling-Ye Zhang, Wen-Yan Li, Ming Ji, Fu-Kun Liu, Guang-Yong Chen, Shan-Shan Wu, Qian Hao, Hui-Hong Zhai, Shu-Tian Zhang
OBJECTIVES: To investigate the efficacy and safety of premedication with simethicone/pronase during esophagogastroduodenoscopy (EGD) with sedation. METHODS: 610 patients were randomly allocated to two groups based on the type of premedication given. The premedication used in the control group was 10ml of lidocaine hydrochloride mucilage (LHM, N=314) and the premedication used in the intervention group was 80mL of simethicone/pronase solution plus 10ml of lidocaine hydrochloride mucilage (SP/LHM, N=296)...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28803459/prediction-of-esophageal-stricture-in-patients-administered-locoregional-triamcinolone-injections-immediately-after-endoscopic-submucosal-dissection
#7
Yasuaki Nagami, Masaki Ominami, Masatsugu Shiba, Taishi Sakai, Shusei Fukunaga, Satoshi Sugimori, Koji Otani, Shuhei Hosomi, Fumio Tanaka, Koichi Taira, Noriko Kamata, Hirokazu Yamagami, Tetsuya Tanigawa, Toshio Watanabe, Takuma Ishihara, Kouji Yamamoto, Yasuhiro Fujiwara
BACKGROUND AND AIM: Esophageal endoscopic submucosal dissection (ESD) to resect widespread lesions has increased the incidence of strictures, and some patients develop strictures despite receiving prophylactic locoregional triamcinolone injections. This study evaluated the predictive factors for esophageal stricture formation in patients administered prophylactic triamcinolone injections after ESD. METHODS: This was a retrospective observational study. Of 552 consecutive patients who underwent ESD, those who received prophylactic triamcinolone injections immediately after ESD were enrolled...
August 13, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28758246/endoscopic-hemostasis-for-spurting-duodenal-bleeding-using-dual-red-imaging
#8
Hidenori Tanaka, Shiro Oka, Shinji Tanaka
Endoscopic hemostasis for spurting gastrointestinal bleeding is sometimes difficult to achieve, because a precise bleeding point is often indistinguishable due to persistent hemorrhage. Dual red imaging (DRI) is a novel image enhancement technology that uses 3 wavelengths: 540 nm, 600 nm, and 630 nm. It was reported that DRI improves the visibility of deeper submucosal blood vessels and the bleeding point because 600 nm and 630 nm lights can penetrate deep into the tissue.(1-4) We describe an educational case of spurting duodenal bleeding in which DRI was used to achieve endoscopic hemostasis This article is protected by copyright...
July 31, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28758243/enteroscopy-overtube-assisted-over-the-wire-stent-placement-to-treat-an-enteral-stenosis
#9
Antonino Granata, Michele Amata, Mario Traina
A 77-year-old man underwent duodeno-cephalo-pancreatectomy with Roux-en-Y reconstruction for pancreatic head cancer. After two years developed recurrent cholangitis with obstructive jaundice. In suspicion of obstruction of biliary tree, a percutaneous transhepatic cholangiography (PTC) was attempted. Contrast dye injected troughs the catheter shower an intestinal stenosis about 10 centimeters above the bilio-enteric anastomosis. Following PET-CT scan showed no cancer recurrence. This article is protected by copyright...
July 31, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28744940/report-of-the-international-symposiums-at-the-93rd-congress-of-japan-gastroenterological-endoscopy-society-in-osaka-2017
#10
EDITORIAL
Satoki Shichijo, Noriya Uedo, Yutaka Saito
In this session, each speaker presented papers about training situations from various countries including USA, Sweden, Philippine, Latin America, Vietnam, Cambodia, Hong Kong, and Japan, each followed by a short discussion on the topic. This session allowed Japanese and foreign experts to exchange opinions and improve mutual understanding (Table 1). This article is protected by copyright. All rights reserved.
July 26, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28741735/argon-plasma-coagulation-for-successful-fragmentation-and-removal-of-an-over-the-scope-clip-otsc
#11
Samir Kapadia, Satish Nagula, Nikhil A Kumta
The over-the-scope-clip (OTSC) (Ovesco Endoscopy, Tübingen, Germany) is a revolutionary endoscopic tool for management of fistulas, perforations, and leaks [1]. Removal of an OTSC is rare and oftentimes challenging. We describe a simple and reproducible technique utilizing argon plasma coagulation (APC) to fracture the OTSC hinge to facilitate extraction. This article is protected by copyright. All rights reserved.
July 25, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28731617/in-vivo-diagnosis-of-early-stage-gastric-cancer-found-after-helicobacter-pylori-eradication-using-probe-based-confocal-laser-endomicroscopy
#12
Noriyuki Horiguchi, Tomomitsu Tahara, T Hyuga Yamada, Dai Yoshida, Masaaki Okubo, Mitsuo Nagasaka, Yoshihito Nakagawa, Tomoyuki Shibata, Tetsuya Tsukamoto, Makoto Kuroda, Naoki Ohmiya
BACKGROUND AND AIM: Early-stage gastric cancer (EGC) found after Helicobacter pylori (Hp) eradication often displays non-tumorous regenerative epithelium and/or maturated tumorous epithelium overlying the cancerous tissue, which may confuse endoscopic and histologic diagnosis. Probe-based confocal laser endomicroscopy (pCLE) enables in vivo real-time optical biopsy. We compared the diagnostic yields for these EGC cases using conventional white light endoscopy (WL), magnifying endoscopy with narrow-band imaging (ME-NBI), pCLE, and endoscopic biopsy; we also compared the accuracy of the horizontal extent diagnosis between ME-NBI and pCLE...
July 21, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28731572/endoscopic-surgical-technique-for-benign-fibrotic-strictures-of-the-upper-esophageal-sphincter
#13
Shun-Ichi Chitose, Kiminori Sato, Mioko Fukahori, Sachiyo Hamakawa, Akari Koga, Shintaro Sueyoshi, Hirohito Umeno
A 43-year-old man with complaints of increased difficulty of swallowing and weight loss underwent videofluorographic examination of swallowing, which revealed severely reduced cricopharyngeal opening. Endoscopic cricopharyngeal myotomy was performed using a modified technique (mECPM). A benign fibrotic stricture of the upper esophageal sphincter (UES) was identified under visualization of a distending operating laryngoscope. A vertical midline incision in the strictured mucosa and submucosal resection of the cricopharyngeal muscle were performed using a CO2 laser...
July 21, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28722284/the-effectiveness-of-a-novel-highly-flexible-tip-guidewire-on-selective-biliary-cannulation-compared-to-conventional-guidewire-a-randomized-controlled-study
#14
Jin-Seok Park, Seok Jeong, Don Haeng Lee
BACKGROUND/AIM: Endoscopic access to the common bile duct remains difficult in 10% of cases undergoing endoscopic retrograde cholangiopancreaticography (ERCP). In the current study, we evaluated the effectiveness of a stiff-shaft and flexible-tip guidewire (Visiglide2(®) ) for selective biliary access. METHODS: We conducted a prospective, randomized controlled study involving patients with a naïve papilla who required biliary cannulation in a single center. We randomly allocated the patients to the Visiglide 2 group (Group V) or conventional guidewire group (Group C)...
July 19, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28719079/associations-between-drugs-and-small-bowel-mucosal-bleeding-a-multicenter-capsule-endoscopy-study
#15
Ryota Niikura, Atsuo Yamada, Koutarou Maki, Masanao Nakamura, Hirotsugu Watabe, Mitsuhiro Fujishiro, Shiro Oka, Motohiro Esaki, Shunji Fujimori, Atsushi Nakajima, Naoki Ohmiya, Takayuki Matsumoto, Shinji Tanaka, Kazuhiko Koike, Choitsu Sakamoto
OBJECTIVES: Although several drugs may induce small-bowel mucosal injuries, it is unclear whether these injuries contribute to overt small-bowel bleeding. This study was designed to evaluate the associations between drug use and small-bowel mucosal injury and between these mucosal injuries and overt bleeding in a disease-relevant population. METHODS: We retrospectively studied patients with suspected small-bowel diseases who underwent capsule endoscopy between 2010 and 2013...
July 18, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28719041/prevention-of-post-ercp-pancreatitis-is-more-than-just-suppositories-and-stents
#16
EDITORIAL
C Mel Wilcox
In this issue of the Journal, Professor Elmunzer provides an outstanding overview of the variable methods of prevention of post-ERCP pancreatitis (PEP) (1). We all recognize the importance of this topic given its morbidity for our patients. His review succinctly summarizes a wealth of both old and new data underscoring previously identified risk factors for PEP which have stood the test of time. In addition, newer interventions are appraised and placed in an appropriate context. This article is protected by copyright...
July 18, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28710777/update-in-enteroscopy-new-devices-and-new-indications
#17
REVIEW
Tom G Moreels
The present review provides an update of the currently available (proto-) types of device-assisted enteroscopy (DAE). In recent years, newly designed double- and single-balloon enteroscopes have emerged. They aim to improve insertion depth into the small bowel, and they also allow more efficient endoscopic interventions. Nowadays, almost all conventional endoscopic procedures are feasible using DAE, opening the door to new indications. Recently, more data have become available on pediatric DAE, DAE-assisted colonoscopy, and DAE in patients with altered anatomy, including DAE-assisted endoscopic retrograde cholangiopancreatography and direct cholangioscopy...
July 14, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28703858/traction-assisted-colorectal-endoscopic-submucosal-dissection-using-the-mucosectom2-device
#18
Yasushi Yamasaki, Keita Harada, Hiroyuki Okada
We developed the Mucosectom2, a special instrument for submucosal dissection (HOYA Pentax, Tokyo, Japan) (Figure1A) [1], and reported its effectiveness [2]. The Mucosectom2 has two benefits compared to other knives. First, it protects the muscle layer from thermal injury because the tip is covered with an insulated shaft. Second, it cuts fine vessels without causing bleeding because the contact area of its blade and vessel is larger than that of other knives. Thus, basically, the Mucosectom2 is safe and allows the submucosal layer to be dissected even if it cannot be visualized clearly...
July 13, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28691186/per-oral-endoscopic-myotomy-poem-as-a-salvation-technique-post-heller-an-international-experience
#19
Amy Tyberg, Reem Z Sharaiha, Pietro Familiari, Guido Costamagna, Fernando Casas, Nikhil A Kumta, Maximilien Barret, Amit P Desai, Felice Schnoll-Sussman, Payal Saxena, Guadalupe Martínez, Felipe Zamarripa, Monica Gaidhane, Helga Bertani, Peter V Draganov, Valerio Balassone, Ahmed Sharata, Kevin Reavis, Lee Swanstrom, Martina Invernizzi, Stefan Seewald, Hitomi Minami, Haruhiro Inoue, Michel Kahaleh
BACKGROUND: The treatment for achalasia has traditionally been Heller myotomy (HM). Despite its excellent efficacy rate, a number of patients remain symptomatic post-procedure. Limited data exists as to the best management for recurrence of symptoms post HM. We present an international, multicenter experience evaluating the efficacy and safety of post-HM per-oral endoscopic myotomy (POEM). METHODS: Patients who underwent a POEM post-HM from 13 centers from January 2012 to January 2017 were included as part of a prospective registry...
July 10, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28685858/diagnostic-performance-of-routine-esophagogastroduodenoscopy-using-magnifying-endoscope-with-narrow-band-imaging-for-gastric-cancer
#20
Shoichi Yoshimizu, Yorimasa Yamamoto, Yusuke Horiuchi, Masami Omae, Toshiyuki Yoshio, Akiyoshi Ishiyama, Toshiaki Hirasawa, Tomohiro Tsuchida, Junko Fujisaki
OBJECTIVES: In Japan, an increase in the number of routine esophagogastroduodenoscopy procedures is expected because several studies have reported that endoscopy screenings have reduced gastric cancer mortality. Magnifying narrow-band imaging has been reported to be effective for accurate diagnosis of gastric abnormalities such as cancers, adenomas, and intestinal metaplasia. However, the efficacy of this method in routine esophagogastroduodenoscopy has not been clarified. METHODS: We divided 3,763 patients into two groups...
July 7, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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