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https://www.readbyqxmd.com/read/29774087/severity-of-gastric-mucosal-atrophy-affects-the-healing-speed-of-post-endoscopic-submucosal-dissection-ulcers
#1
Taketo Otsuka, Mitsushige Sugimoto, Hiromitsu Ban, Toshiro Nakata, Masaki Murata, Atsushi Nishida, Osamu Inatomi, Shigeki Bamba, Akira Andoh
AIM: To investigate factors associated with the healing of endoscopic submucosal dissection (ESD)-induced ulcers. METHODS: We enrolled 132 patients with gastric tumors scheduled for ESD. Following ESD, patients were treated with daily lansoprazole 30 mg or vonoprazan 20 mg. Ulcer size was endoscopically measured on the day after ESD and at 4 and 8 wk. The gastric mucosa was endoscopically graded according to the Kyoto gastritis scoring system. We assessed the number of patients with and without a 90% reduction in ulcer area at 4 wk post-ESD and scar formation at 8 wk, and looked for risk factors for slower healing...
May 16, 2018: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29768377/occurrence-of-metachronous-multiple-primary-cancers-occurred-in-different-parts-of-the-stomach-with-2-pathologic-features-a-case-report
#2
Yan Song, Ningning Zhao, Kui Jiang, Zhongqing Zheng, Bangmao Wang, Dalu Kong, Shu Li
RATIONALE: With the increasing survival rate of gastric cancer, more multiple primary cancers (MPC) have been reported. However, few cases involve metachronous multiple primary cancers which both occurred in the stomach. PATIENT CONCERNS: An 83-year-old Chinese male had been diagnosed with gastric cardia cancer and underwent proximal gastrectomy. The pathological result was gastric adenocarcinoma. 13 years later the patient's gastroscope result deteriorated. The biopsy of the antrum revealed dysplasia with doubtful focal cancerization...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29764504/long-term-outcomes-of-endoscopic-submucosal-dissection-for-high-grade-dysplasia-and-early-stage-carcinoma-in-the-colorectum
#3
Tao Chen, Wen-Zheng Qin, Li-Qing Yao, Yun-Shi Zhong, Yi-Qun Zhang, Wei-Feng Chen, Jian-Wei Hu, Marie Ooi, Ling-Li Chen, Ying-Yong Hou, Mei-Dong Xu, Ping-Hong Zhou
BACKGROUND: Colorectal carcinomas (CRCs) arise from premalignant precursors in an adenoma-carcinoma sequence, in which adenoma with high-grade dysplasia (HGD) and early-stage carcinoma are defined as advanced neoplasia. A limited number of studies have evaluated the long-term outcomes of endoscopic submucosal dissection (ESD) for advanced colorectal neoplasia. This study aimed to assess the efficacy and safety of ESD for advanced colorectal neoplasia as well as the long-term outcomes, including local recurrence and metastasis...
March 21, 2018: Cancer communications
https://www.readbyqxmd.com/read/29764299/efficacy-of-sufficient-operation-view-by-ring-shaped-thread-counter-traction-for-safer-duodenal-esd
#4
Yasuhiro Goda, Hirohito Mori, Hideki Kobara, Tsutomu Masaki
BACKGROUND: Duodenal ESD is considered especially difficult with perforation and bleeding. This study assessed safer duodenal ESD procedures, especially with regard to obtaining a good operation view using a ring-thread method and closure of a post-ESD artificial ulcer. METHODS: From 2013 to 2015, 17 patients who were diagnosed with duodenal adenoma or early duodenal cancer >20 mm in diameter underwent conventional ESD (C group). From 2016 to 2017, 12 patients underwent ring-shaped thread counter traction ESD with hemoclips and/or Over-The-Scope Clip (OTSC) (Ovesco Endoscopy GmbH, Tuebingen, Germany) closure of post ESD artificial ulcer (ring group)...
May 15, 2018: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29763704/preparation-and-characterization-of-a-new-type-of-porous-starch-microspheres-psm-and-effect-of-physicochemical-properties-on-water-uptake-rate
#5
Jianjun Zhu, Wenzhong Sun, Zhiyun Meng, Xiaoxia Zhu, Hui Gan, Ruolan Gu, Zhuona Wu, Guifang Dou
Porous starch (PS) is a multifunctional biomaterial and has been widely applied in both pharmaceutical and food industry. This study was carried out to develop a new type of porous starch microspheres (PSM) through the dual-modification of the alcohol-alkaline treatment and inverse crosslinking-emulsion method, which could rapidly uptake water. The chemical and physical characteristics of the PSMs were determined by FTIR, SEM, XRD, DSC, ESD (equilibrium swelling ratio) and WS (water solubility). The results showed that PSMs could reach its saturated water uptake volume (about 1 mL/100 mg) in 60 s...
May 12, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29757996/design-of-a-low-power-small-area-aec-q100-compliant-sent-transmitter-in-signal-conditioning-ic-for-automotive-pressure-and-temperature-complex-sensors-in-180-nm-cmos-technology
#6
Imran Ali, Behnam Samadpoor Rikhan, Dong-Gyu Kim, Dong-Soo Lee, Muhammad Riaz Ur Rehman, Hamed Abbasizadeh, Muhammad Asif, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
In this paper, a low-power and small-area Single Edge Nibble Transmission (SENT) transmitter design is proposed for automotive pressure and temperature complex sensor applications. To reduce the cost and size of the hardware, the pressure and temperature information is processed with a single integrated circuit (IC) and transmitted at the same time to the electronic control unit (ECU) through SENT. Due to its digital nature, it is immune to noise, has reduced sensitivity to electromagnetic interference (EMI), and generates low EMI...
May 14, 2018: Sensors
https://www.readbyqxmd.com/read/29756022/endoscopic-submucosal-dissection-of-early-gastric-cancer-via-inverted-overtube-in-a-patient-with-situs-inversus-totalis-a-case-report
#7
Youichi Miyaoka, Shinsuke Suemitsu, Aya Fujiwara, Satoshi Kotani, Kosuke Tsukano, Satoshi Yamanouchi, Ryusaku Kusunoki, Tatsuya Miyake, Hirofumi Fujishiro, Naruaki Kohge, Tomohiko Yamamoto, Yuji Amano
Background and study aims  A 72-year-old man with complete situs inversus presented with early gastric cancer on the lesser curvature wall of the antrum of the stomach. Endoscopic submucosal dissection (ESD) was selected as a treatment. When the patient was positioned in the left decubitus position, the lesion was hidden by blood and gastric fluid because it was located on the gravitational side. Therefore, we decided to perform ESD with the patient in the right lateral decubitus position and use an inverted overtube, which provided a good endoscopic view without the need to rearrange the endoscopist, assistants, or endoscopic system...
May 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29756016/prophylactic-clip-closure-may-reduce-the-risk-of-delayed-bleeding-after-colorectal-endoscopic-submucosal-dissection
#8
Hideharu Ogiyama, Shusaku Tsutsui, Yoko Murayama, Shingo Maeda, Shin Satake, Ayaka Nasu, Daisuke Umeda, Yoshio Miura, Kouhei Tominaga, Masashi Horiki, Tamana Sanomura, Kazuho Imanaka, Hiroyasu Iishi
Background and study aims : Endoscopic submucosal dissection (ESD) has a high en bloc resection rate and is widely performed for large superficial colorectal tumors, but delayed bleeding remains one of the most common complications of colorectal ESD. The aim of the present study was to evaluate the clinical efficacy of prophylactic clip closure of mucosal defects for the prevention of delayed bleeding after colorectal ESD. Patients and methods : We enrolled consecutive patients with colorectal lesions between January 2012 and May 2017 in this retrospective study...
May 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29753040/outcomes-of-endoscopic-resection-for-superficial-duodenal-epithelial-neoplasia
#9
Naohisa Yahagi, Motohiko Kato, Yasutoshi Ocihai, Tadateru Maehata, Motoki Sasaki, Yoshiyuki Kiguchi, Teppei Akimoto, Atsushi Nakayama, Ai Fujimoto, Osamu Goto, Toshio Uraoka
BACKGROUND AND AIM: Pancreaticoduodenectomy is an invasive procedure, and endoscopic resection (ER) is an alternative therapy. However, details regarding the outcomes of ER are unknown, especially for superficial duodenal epithelial neoplasia (SDET). The aim of this study was to elucidate the outcomes of ER for SDET and to compare endoscopic mucosal resection (EMR) with endoscopic submucosal dissection (ESD). METHODS: This was a retrospective observational study...
May 9, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29750981/comparison-of-endoscopic-submucosal-dissection-and-surgery-for-superficial-esophageal-squamous-cell-carcinoma-a-propensity-score-matched-analysis
#10
Yang Won Min, Hyuk Lee, Byeong Geun Song, Byung-Hoon Min, Hong Kwan Kim, Yong Soo Choi, Jun Haeng Lee, Na-Young Hwang, Keumhee C Carriere, Poong-Lyul Rhee, Jae J Kim, Jae Ill Zo, Young Mog Shim
BACKGROUND AND AIMS: Endoscopic submucosal dissection (ESD) has been widely accepted for treating superficial esophageal squamous cell carcinoma (SESCC). However, long-term outcomes of ESD and esophagectomy for SESCC have not been compared. We compared the clinical outcomes of ESD and esophagectomy in a matched cohort. METHODS: Patients who underwent ESD and esophagectomy for SESCC were included. We selected SESCCs without obvious submucosal invasion from the surgical database by reviewing endoscopic images...
May 8, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29749325/safety-of-simultaneous-endoscopic-submucosal-dissection-for-two-large-colorectal-neoplasias-in-the-same-patient
#11
Min Seob Kwak, Dong-Hoon Yang, Sung Wook Hwang, Jung Ho Bae, Jae Seung Soh, Seohyun Lee, Ho-Su Lee, Hyo Jeong Lee, Sang Hyoung Park, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang
BACKGROUND/AIMS: Multiple large colorectal lesions requiring endoscopic submucosal dissection (ESD) are sometimes diagnosed during colonoscopy. We evaluated the feasibility and safety of ESD of two colorectal lesions in one session. MATERIALS AND METHODS: The lesions of 16 patients who underwent two ESD procedures in a single session (double ESD group) from November 2009 to July 2014 were matched with those of 64 patients who underwent a single ESD procedure (single ESD group) based on the size and location of the lesion and presence of submucosal fibrosis...
March 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29741664/estimation-of-adult-patient-doses-for-chest-x-ray-examinations-and-comparison-with-diagnostic-reference-levels-drls
#12
H Bas Mor, N Altinsoy, I Söyler
The aim of this study was to evaluate the radiation doses to patient during chest (posterior anterior/and lateral) examinations. The study was performed in three public hospitals of İstanbul province with a total of 300 adult patients. Entrance surface dose (ESD) measurements were conducted on computed radiography, digital radiography and screen film system. ESD was estimated by using International Atomic Energy Agency (IAEA) model and Davies model which are the common indirect models. Results were compared with diagnostic reference levels from the European Commission, IAEA and National Radiological Protection Board...
May 8, 2018: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29740049/efficient-and-surface-site-selective-ion-desorption-by-positron-annihilation
#13
Takayuki Tachibana, Takashi Yamashita, Masaru Nagira, Hisakuni Yabuki, Yasuyuki Nagashima
We compared positron- and electron-stimulated desorption (e+ SD and ESD) of positive ions from a TiO2 (110) surface. Although desorption of O+ ions was observed in both experiments, the desorption efficiency caused by positron bombardment was larger by one order of magnitude than that caused by electron bombardment at an incident energy of 500 eV. e+ SD of O+ ions remained highly efficient with incident positron energies between 10 eV and 600 eV. The results indicate that e+ SD of O+ ions is predominantly caused by pair annihilation of surface-trapped positrons with inner-shell electrons...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29734448/endoscopic-submucosal-dissection-esd-for-anal-high-grade-intraepithelial-neoplasia-a-case-report
#14
Andrej Wagner, Daniel Neureiter, Josef Holzinger, Tobias Kiesslich, Eckhard Klieser, Frieder Berr
Anal intraepithelial neoplasia (AIN) is a precursor of anal carcinoma. Conventional therapy is based on topical and local ablative approaches. However, the recurrence rates are very high, leading to repetitive treatment sessions and need for long-term surveillance. Endoscopic submucosal dissection (ESD) is an established treatment for malignant early neoplasias of the gastrointestinal tract, especially in the esophagus, stomach, and colorectum. Japanese centers have reported few cases of ESD for early anal carcinoma...
May 2018: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29727254/case-matched-analysis-comparing-endoscopic-submucosal-dissection-and-surgical-removal-of-difficult-colorectal-polyps
#15
Tak Lit Derek Fung, Pak Tat Chan, Ha Man Lee, Kam Hung Kwok
INTRODUCTION: It is not uncommon to encounter colorectal polyps which could not be removed easily by simple polypectomy. Endoscopic submucosal dissection (ESD) has been a well-established method for doing so. We compared the result between ESD and surgical removal of these difficult colorectal polyps. MATERIALS AND METHOD: During the period between January 2013 and December 2016, patients who have failed endoscopic removal of colorectal polyp requiring second treatment, either by ESD or surgical removal, were matched into two groups and reviewed...
May 4, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29724340/feeding-by-the-harmful-phototrophic-dinoflagellate-takayama-tasmanica-family-kareniaceae
#16
An Suk Lim, Hae Jin Jeong, Jin Hee Ok, So Jin Kim
The trophic mode of a phototrophic dinoflagellate is a critical factor in the dynamics of its harmful algal bloom. Recent discoveries of the mixotrophic capabilities of phototrophic dinoflagellates have changed the traditional view of bloom dynamics and prediction models. Here, mixotrophy in the harmful phototrophic dinoflagellate Takayama tasmanica was examined. Moreover, growth and ingestion rates of T. tasmanica on each of Alexandrium minutum CCMP1888 and Alexandrium tamarense CCMP1493, suitable prey, were determined as a function of prey concentration...
April 2018: Harmful Algae
https://www.readbyqxmd.com/read/29723132/endoscopic-cauterization-with-pneumatic-distension-for-piriform-fossa-sinus-tracts
#17
María Elena Carazo Palacios, Carlos Gutiérrez, Ignacio Miró, Georgina Sanchís, Vicente Ibáñez, Juan José Vila
INTRODUCTION: Piriform fossa sinus tracts (PFSTs) are a cause of recurrent neck infections in the pediatric population. Conventional management required open resection, but over the last years minimally invasive approaches have been reported in an attempt to endoscopically obliterate the PFST, using different methods such as electrocautery, laser, trichloroacetic acid, or silver nitrate. MATERIALS AND METHODS: We undertook a retrospective review of the medical records of 12 children (aged 4 months to 14 years) with PFSTs treated with endoscopic sclerosis with diathermy (ESD) between 2010 and 2016 at a tertiary care children's hospital...
May 3, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29721799/vertical-shift-in-ciliate-body-size-spectrum-and-its-environmental-drivers-in-western-arctic-pelagic-ecosystems
#18
Guangjian Xu, EunJin Yang, Youngju Lee, Sung-Ho Kang
As an inherent functional trait, body-size spectrum is widely used as an informative indicator to summarize community structures in taxon-free space. The vertical shift in the body-size spectrum of pelagic ciliates and its environmental drivers were explored at eight depth layers from the water surface to a depth of 100 m in western Arctic pelagic ecosystems. A total of 85 samples were collected at 23 sampling stations during the summer sea-ice reduction period from August 5 to August 24, 2016. Based on equivalent spherical diameter (ESD), six body-size ranks were identified, of which ranks S2 (15-25 μm), S3 (26-38 μm), S4 (39-60 μm), and S6 (79-91 μm) were the top four levels in frequency of occurrence and ranks S2 and S3 were the dominant levels in abundance...
May 3, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29720860/continued-versus-interrupted-aspirin-use-and-bleeding-risk-after-endoscopic-submucosal-dissection-of-gastric-neoplasms-a-meta-analysis
#19
Veeravich Jaruvongvanich, Tomoki Sempokuya, Karn Wijarnpreecha, Patompong Ungprasert
Background: Balancing the risk of bleeding and thromboembolic events for patients who use aspirin and need to undergo endoscopic submucosal dissection (ESD) for gastric neoplasms is a delicate process. The current guidelines from different associations provide inconsistent recommendations. Methods: MEDLINE and EMBASE databases were searched through August 2017 for studies that compared the risk of post-ESD bleeding in patients who continued aspirin vs. those who discontinued aspirin preoperatively...
May 2018: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/29720859/endoscopic-submucosal-dissection-versus-endoscopic-mucosal-resection-for-type-0-ii-superficial-gastric-lesions-larger-than-20-mm
#20
Pietro Gambitta, Francesca Iannuzzi, Alessandro Ballerini, Alessandra D'Alessandro, Maurizio Vertemati, Emilia Bareggi, Stefano Pallotta, Paola Fontana, Paolo Aseni
Background: Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) are increasingly used for the treatment of superficial gastrointestinal neoplasia. However, the limits and the indications for each technique are still debated. Our retrospective study aimed to compare these techniques in patients with gastric flat lesions larger than 20 mm without the non-lifting sign. Methods: Between January 2013 and July 2016, a total of 36 patients with early gastric flat lesions larger than 20 mm and without the non-lifting sign were resected by ESD and were followed up by endoscopy...
May 2018: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
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