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Helicobacter eradication

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https://www.readbyqxmd.com/read/28631728/acg-and-cag-clinical-guideline-management-of-dyspepsia
#1
Paul M Moayyedi, Brian E Lacy, Christopher N Andrews, Robert A Enns, Colin W Howden, Nimish Vakil
We have updated both the American College of Gastroenterology (ACG) and the Canadian Association of Gastroenterology (CAG) guidelines on dyspepsia in a joint ACG/CAG dyspepsia guideline. We suggest that patients ≥60 years of age presenting with dyspepsia are investigated with upper gastrointestinal endoscopy to exclude organic pathology. This is a conditional recommendation and patients at higher risk of malignancy (such as spending their childhood in a high risk gastric cancer country or having a positive family history) could be offered an endoscopy at a younger age...
June 20, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28626260/a-case-of-api2-malt1-positive-gastric-malt-lymphoma-with-concomitant-diffuse-large-b-cell-lymphoma
#2
Akashi Fujita, Masahiro Tajika, Tsutomu Tanaka, Makoto Ishihara, Yutaka Hirayama, Nobumasa Mizuno, Kazuo Hara, Susumu Hijioka, Hiroshi Imaoka, Tsukasa Yoshida, Nozomi Okuno, Nobuhiro Hieda, Takashi Hirayama, Hitoshi Shibuya, Hisashi Kondo, Hirotaka Suzuki, Kazuhiro Toriyama, Yasushi Yatabe, Kenji Yamao, Yasumasa Niwa
API2-MALT1 translocation-positive gastric marginal zone lymphomas of mucosa-associated lymphoid tissue (MALT) lymphoma is thought to transform to diffuse large B-cell lymphoma (DLBCL) rarely. A 69-year-old man presented with epigastralgia. Esophagogastroduodenoscopy showed multiple ulcerations in the stomach. Endoscopic biopsies revealed MALT lymphoma, with Helicobacter pylori infection. The patient underwent eradication therapy with no improvement, and was thereafter followed without additional therapy at his request...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28617882/eradication-rates-in-italian-subjects-heterogeneously-managed-for-helicobacter-pylori-infection-time-to-abandon-empiric-treatments-in-southern-europe
#3
Agostino Di Ciaula, Giuseppe Scaccianoce, Marino Venerito, Angelo Zullo, Leonilde Bonfrate, Theodore Rokkas, Piero Portincasa
BACKGROUND AND AIMS: H. pylori eradication is strongly affected by various factors, including the ongoing antibiotic resistance. We describe a "real life" scenario in patients managed for H. pylori-related conditions, living in a southern Italian region (Apulia), an area with clarithromycin resistance >15%. METHODS: 2,224 subjects were studied in two tertiary referral centers in Apulia. Analyses included: reason for referral, H. pylori infection rates (13C-urea breath test - UBT or upper endoscopy), and eradication rates following distinct regimens previously prescribed or prospectively prescribed (such as the bismuth-based quadruple therapy Pylera®, recently marketed in Italy)...
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28617030/a-real-life-study-of-helicobacter-pylori-eradication-with-bismuth-quadruple-therapy-in-na%C3%A3-ve-and-previously-treated-patients
#4
Blas José Gómez Rodríguez, Luisa Castro Laria, Federico Argüelles Arias, Cristina Castro Márquez, Ángel Caunedo Álvarez, Manuel Romero Gómez
OBJECTIVE: To evaluate the efficacy and safety of a quadruple regimen (BMTO) of the "3-in-1 capsule" (containing bismuth subcitrate potassium, metronidazole and tetracycline) plus omeprazole in naïve and previously treated patients diagnosed with Helicobacter pylori (H. pylori) infection in the clinical setting in Seville (Spain). METHODS: This is a prospective study carried out on consecutive patients with a confirmed H. pylori infection and upper gastrointestinal symptoms...
June 15, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28616085/helicobacter-pylori-infection-old-and-new
#5
REVIEW
S Diaconu, A Predescu, A Moldoveanu, C S Pop, C Fierbințeanu-Braticevici
Helicobacter pylori is a spiral-shaped bacterium that grows in the digestive tract and may be present in more than half of the world's population. The clinical features of Helicobacter pylori range from asymptomatic gastritis to gastrointestinal malignancy. Mucosa-associated lymphoid tissue (MALT) lymphoma is a low-grade B-cell marginal zone lymphoma and Helicobacter pylori has been detected in more than 75% of the patients with MALT lymphoma. Many tests for the detection of Helicobacter pylori are available, including antibody tests, urea breath tests, stool antigen tests and endoscopic biopsies...
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28606845/effects-of-community-screening-for-helicobacter-pylori-13-year-follow-up-of-a-randomized-controlled-trial-hep-fyn
#6
Maria Bomme Høgh, Jane Møller Hansen, Mette Wildner-Christensen, Jesper Hallas, Ove B Schaffalitzky de Muckadell
BACKGROUND & AIMS: Helicobacter pylori (Hp) eradication improves the prognosis of peptic ulcer disease (PUD), dyspepsia, and possibly gastric cancer. Hp screening tests are accurate and eradication therapy is effective. Hp population screening seems attractive. The aim of this study was to evaluate the long-term effect of Hp population screening and eradication on dyspepsia prevalence and the incidence of PUD, and as secondary outcomes to assess the effect on health-care consumption and quality of life...
June 9, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28606235/-clinical-effects-of-different-therapeutic-regimens-for-helicobacter-pylori-infection-in-children
#7
Xiang-Li Zhu, Zheng Liu, Zhong-Qiang Wu, Dong Li, Ai-Ping Jiang, Gui-Xia Yu
OBJECTIVE: To investigate the clinical effects of sequential therapy, triple therapy, sequential therapy combined with Lactobacillus, and triple therapy combined with Lactobacillus in the eradication of Helicobacter pylori (H.pylori) infection in children. METHODS: A total of 416 children with H.pylori infection were randomly assigned to sequential group (102 children), triple group (100 children), sequential-Lactobacillus group (109 children), and triple-Lactobacillus group (105 children)...
June 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28601610/therapeutic-success-with-bismuth-containing-sequential-and-quadruple-regimens-in-helicobacter-pylori-eradication
#8
Oguzhan Ozturk, Levent Doganay, Yasar Colak, Feruze Yilmaz Enc, Celal Ulasoglu, Kamil Ozdil, Ilyas Tuncer
BACKGROUND AND STUDY AIMS: The success rate of Helicobacter pylori (H. pylori) eradication with the classical triple therapy is gradually declining. In this study, we aimed to compare and assess the efficacies of six different eradication regimens including sequential protocols. PATIENTS AND METHODS: Endoscopically confirmed nonulcer dyspepsia patients were enrolled. H. pylori presence was determined either histologically or by a rapid urease test. Treatment-naive patients were randomly assigned to an either one of three 10-day (OAC, OTMB, and OACB) or one of three sequential protocols (OA+OCM, OA+OCMB, and OA+OMDB) (O=omeprazole, A=amoxicillin, C=clarithromycin, T=tetracycline, M=metronidazole, B=bismuth, D=doxycycline)...
June 7, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28596787/clinical-usefulness-of-the-vs-classification-system-using-magnifying-endoscopy-with-blue-laser-imaging-for-early-gastric-cancer
#9
Yoshikazu Yoshifuku, Yoji Sanomura, Shiro Oka, Kazutaka Kuroki, Mio Kurihara, Takeshi Mizumoto, Yuji Urabe, Toru Hiyama, Shinji Tanaka, Kazuaki Chayama
BACKGROUND: Blue laser imaging (BLI) enables the acquisition of more information from tumors' surfaces compared with white light imaging. Few reports confirm the validity of magnifying endoscopy (ME) with BLI (ME-BLI) for early gastric cancer (EGC). We aimed to assess the detailed endoscopic findings from EGCs using ME-BLI. METHODS: We enrolled 386 consecutive patients with 417 EGCs that were diagnosed using ME-BLI and resected by endoscopic submucosal dissection...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28592787/rare-gastric-lesions-associated-with-helicobacter-pylori-infection-a-histopathological-review
#10
Mee Joo
Helicobacter pylori infection is associated with chronic gastritis, peptic ulcer disease, gastric adenocarcinoma, and mucosa-associated lymphoid tissue lymphoma. However, some rare gastric lesions exhibiting distinctive histological features may also be associated with H. pylori infection, including lymphocytic gastritis, granulomatous gastritis, Russell body gastritis, or crystal-storing histiocytosis. Although diverse factors can contribute to their development, there is convincing evidence that H. pylori infection may play a pathogenic role...
June 5, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28584402/effects-of-patient-age-and-choice-of-antisecretory-agent-on-success-of-eradication-therapy-for-helicobacter-pylori-infection
#11
Toshihiro Nishizawa, Hidekazu Suzuki, Ai Fujimoto, Hiroto Kinoshita, Shuntaro Yoshida, Yoshihiro Isomura, Akira Toyoshima, Takanori Kanai, Naohisa Yahagi, Osamu Toyoshima
The effects of patient age on the efficacy of eradication treatment for Helicobacter pylori (H. pylori) remain unclear. The present study aimed to determine whether age affects eradication therapy involving vonoprazan, a novel potassium-competitive acid blocker (PCAB). We reviewed the cases of 3,261 patients who were administered first-line and second-line H. pylori eradication therapy at Toyoshima Endoscopy Clinic. The first-line treatment was clarithromycin and amoxicillin combined with a proton pump inhibitor (PPI) or a PCAB...
May 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28581361/the-study-of-h-pylori-putative-candidate-factors-for-single-and-multi-component-vaccine-development
#12
Nasrin Mirzaei, Farkhondeh Poursina, Sharareh Moghim, Niloufar Rashidi, Hajieh Ghasemian Safaei
Helicobacter pylori has grown to colonize inside the stomach of nearly half of the world's population, turning into the most prevalent infections in the universe. Medical care failures noticeably confirm the need for a vaccine to hinder or deal with H. pylori. This review is planned to discuss the most known factors as a vaccine candidate, including single (AhpC, BG, CagA, KatA, Fla, Hsp, HWC, Lpp, LPS, NAP, OMP, OMV, SOD, Tpx, Urease, VacA) and multi-component vaccines. Many promising results in the field of single and multivalent vaccine can be seen, but there is no satisfactory outcome and neither a prophylactic nor a therapeutic vaccine to treat or eradicate the infection in human has been acquired...
September 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28577017/effect-of-cyp2c19-gene-polymorphisms-on-proton-pump-inhibitor-amoxicillin-and-levofloxacin-triple-therapy-for-eradication-of-helicobacter-pylori
#13
Yun-An Lin, Hong Wang, Zhu-Jun Gu, Wen-Jia Wang, Xiao-Yan Zeng, Yan-Lei Du, Song-Song Ying, Bo-Hua Zhang
BACKGROUND The effects of PPI are variable owing to the CYP2C19 polymorphisms. However, whether the polymorphisms could affect the Hp eradication efficacy of triple therapy is still not clear. The present study aimed to assess the effects of CYP2C19 gene polymorphisms on proton pump inhibitor (PPI), amoxicillin, and levofloxacin triple therapy for Helicobacter pylori (Hp) eradication. MATERIAL AND METHODS We randomly assigned 160 Hp-positive patients with chronic gastritis to 2 groups to receive either 20 mg bid omeprazole (OAL group, n=80) or 10 mg bid rabeprazole (RAL group, n=80), combined with 1000 mg bid amoxicillin and 500 mg qd levofloxacin...
June 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28576278/spectroscopic-characterization-and-fluorescence-imaging-of-helicobacter-pylori-endogenous-porphyrins
#14
Antonella Battisti, Paola Morici, Francesco Ghetti, Antonella Sgarbossa
Conventional antimicrobial strategies have become increasingly ineffective due to the rapid emergence of antibiotic resistance among pathogenic bacteria. In order to overcome this problem, antimicrobial PhotoDynamic Therapy (PDT) is considered a promising alternative therapy. PDT has a broad spectrum of action and low mutagenic potential. It is particularly effective when microorganisms present endogenous photosensitizing pigments. Helicobacter pylori (Hp), a pathogen notoriously responsible of severe gastric infections (chronic gastritis, peptic ulcer, MALT lymphoma and gastric adenocarcinoma), produces and accumulates the photosensitizers protoporphyrin IX and coproporphyrin, thus it might be a suitable target of antimicrobial PDT...
May 26, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28575885/helicobacter-pylori-eradication-with-levofloxacin-or-clarithromycin-in-dialysis-versus-nonuremic-patients
#15
Amirhesam Alirezaei, Ali Jamshidi Fard, Hasan Argani, Ramin Talaie, Sahar Nooraninia, Majid Iranshahi, Parichehr Darvish
INTRODUCTION: Various medication regimens have been used to eradicate Helicobacter pylori in dialysis patients; however, optimal response to treatment is still a challenge. This study aimed to compare response to H pylori eradication in dialysis and nonuremic patients. MATERIALS AND METHODS: In a randomized controlled trial, dialysis patients with dyspepsia and confirmed positive endoscopic biopsy for H pylori were compared to nonuremic patients. Participants were randomly assigned to receive clarithromycin or levofloxacin...
May 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28569272/gastric-adenocarcinoma
#16
REVIEW
Jaffer A Ajani, Jeeyun Lee, Takeshi Sano, Yelena Y Janjigian, Daiming Fan, Shumei Song
Gastric cancers, with gastric adenocarcinoma (GAC) as the most common histological type, impose a considerable global health burden. Although the screening strategies for early detection have been shown to be successful in Japan and South Korea, they are either not implemented or not feasible in most of the world, leading to late diagnosis in most patients. Helicobacter pylori infection contributes to the development of many endemic GACs, and pre-emptive eradication or early treatment of this bacterial infection might provide effective primary prevention...
June 1, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28566898/antimicrobial-susceptibility-testing-before-first-line-treatment-for-helicobacter-pylori-infection-in-patients-with-dual-or-triple-antibiotic-resistance
#17
Angel Cosme, Milagrosa Montes, Begoña Ibarra, Esther Tamayo, Horacio Alonso, Usua Mendarte, Jacobo Lizasoan, Marta Herreros-Villanueva, Luis Bujanda
AIM: To evaluate the efficacy of antimicrobial susceptibility-guided therapy before first-line treatment for infection in patients with dual or triple antibiotic resistance. METHODS: A total of 1034 patients infected by Helicobacter pylori (H. pylori) during 2013-2014 were tested for antimicrobial susceptibility. 157 of 1034 (15%) patients showed resistance to two (127/1034; 12%) and to three (30/1034; 3%) antibiotics. Sixty-eight patients with dual H. pylori-resistance (clarithromycin, metronidazole or levofloxacin) were treated for 10 d with triple therapies: OAL (omeprazole 20 mg b...
May 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28566587/the-superiority-of-vonoprazan-based-first-line-triple-therapy-with-clarithromycin-a-prospective-multi-center-cohort-study-on-helicobacter-pylori-eradication
#18
Soichiro Sue, Hirofumi Kuwashima, Yuri Iwata, Hiroyuki Oka, Isao Arima, Takehide Fukuchi, Katsuyuki Sanga, Yasuhiro Inokuchi, Yuniba Ishii, Masatomo Kanno, Masahiro Terada, Hitoshi Amano, Makoto Naito, Shigeru Iwase, Hiroshi Okazaki, Kazuto Komatsu, Atsushi Kokawa, Ichiro Kawana, Manabu Morimoto, Toshifumi Saito, Yosuke Kunishi, Akihiko Ikeda, Daisuke Takahashi, Haruo Miwa, Tomohiko Sasaki, Toshihide Tamura, Masaaki Kondo, Wataru Shibata, Shin Maeda
Objective We evaluated the safety and efficacy of vonoprazan-based amoxicillin and clarithromycin 7-day triple therapy (VAC) in comparison to proton pump inhibitor (PPI)-based (PAC) as a first-line treatment and vonoprazan-based amoxicillin and metronidazole 7-day triple therapy (VAM) in comparison to PPI-based (PAM) as a second-line treatment for the eradication of Helicobacter pylori in Japan. Methods We performed a non-randomized, multi-center, parallel-group study to compare first-line VAC to PAC and second-line VAM to PAM...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28559221/amoxycillin-and-metronidazole-therapy-for-helicobacter-pylori-eradication-a-10-year-trend-in-turin-italy
#19
Davide Giuseppe Ribaldone, Marco Astegiano, Giorgio Saracco, Rinaldo Pellicano
No abstract text is available yet for this article.
May 5, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28557342/morphologic-characterization-of-residual-dna-methylation-in-the-gastric-mucosa-after-helicobacter-pylori-eradication
#20
Sayumi Tahara, Tomomitsu Tahara, Tetsuya Tuskamoto, Noriyuki Horiguchi, Tomohiko Kawamura, Masaaki Okubo, Takamitsu Ishizuka, Mitsuo Nagasaka, Yoshihito Nakagawa, Tomoyuki Shibata, Makoto Kuroda, Naoki Ohmiya
Residual DNA methylation in the gastric mucosa after Helicobacter pylori (H. pylori) eradication may have a role in gastric carcinogenesis. We examined the association between morphologic features and promoter methylation status of non-neoplastic gastric mucosa especially after H. pylori eradication. A total of 140 gastric specimens from 99 participants who had at least 6 months of post-eradication period were examined. The magnifying narrow-band imaging (NBI) endoscopic feature of gastric mucosa was divided into two types: restored-small, round pits, accompanied with honeycomb-like subepithelial capillary networks; atrophic-well-demarcated oval or tubulovillous pits with clearly visible coiled or wavy vessels...
May 30, 2017: Cancer Medicine
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