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https://www.readbyqxmd.com/read/29054320/eradication-of-helicobacter-pylori-infection-with-a-new-bismuth-based-quadruple-therapy-in-clinical-practice
#1
Elena Pérez-Arellano, María Isabel Rodriguez-Garcia, Ana Belen Galera Rodenas, Emilio de la Morena-Madrigal
INTRODUCTION: The eradication of Helicobacter pylori infection represents a clinical challenge. OBJECTIVE: To evaluate the efficacy and safety of quadruple therapy with esomeprazole plus a 3-in-1 capsule containing bismuth subcitrate, metronidazole and tetracycline, plus probiotics in patients diagnosed with H. pylori infection in routine clinical practice. METHODS: A prospective, interventional, single-centre and open-label study in consecutive patients with a confirmed indication for eradication of H...
October 17, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/29051442/pharmaceutical-wastewater-effluent-source-of-contaminants-of-emerging-concern-phytotoxicity-of-metronidazole-to-soybean-glycine-max
#2
Okhumode H Yakubu
Industrial discharge of active pharmaceutical ingredients (APIs) into the environment in some middle- and low-income countries is not sufficiently regulated. The phytotoxicity of metronidazole (FLAGYL)-one of the most commonly used over the counter (OTC) antibiotics, to soybean (Glycine max) is investigated. Relative growth rate (RGR) expressed in gram per gram per day (gg(-1)d(-1)) was applied to plants destructively harvested at maturity (42 d), to determine the toxicological impact. Differences between mean RGR of the three groups were performed at 0...
April 2, 2017: Toxics
https://www.readbyqxmd.com/read/29049477/association-of-the-addition-of-oral-antibiotics-to-mechanical-bowel-preparation-for-left-colon-and-rectal-cancer-resections-with-reduction-of-surgical-site-infections
#3
Elaine Vo, Nader N Massarweh, Christy Y Chai, Hop S Tran Cao, Nader Zamani, Sherry Abraham, Kafayat Adigun, Samir S Awad
Importance: Surgical site infections (SSIs) after colorectal surgery remain a significant complication, particularly for patients with cancer, because they can delay the administration of adjuvant therapy. A combination of oral antibiotics and mechanical bowel preparation (MBP) is a potential, yet controversial, SSI prevention strategy. Objective: To determine the association of the addition of oral antibiotics to MBP with preventing SSIs in left colon and rectal cancer resections and its association with the timely administration of adjuvant therapy...
October 18, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/29048477/the-role-of-toxins-in-clostridium-difficile-infection
#4
Ramyavardhanee Chandrasekaran, D Borden Lacy
Clostridium difficile is a bacterial pathogen that is the leading cause of nosocomial antibiotic-associated diarrhea and pseudomembranous colitis worldwide. The incidence, severity, mortality and healthcare costs associated with C. difficile infection (CDI) are rising, making C. difficile a major threat to public health. Traditional treatments for CDI involve use of antibiotics such as metronidazole and vancomycin, but disease recurrence occurs in about 30% of patients, highlighting the need for new therapies...
October 18, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/29036565/long-term-risk-of-acute-myocardial-infarction-stroke-and-death-with-outpatient-use-of-clarithromycin-a-retrospective-cohort-study
#5
Andrew D Mosholder, Joo-Yeon Lee, Esther H Zhou, Elizabeth M Kang, Mayurika Ghosh, Rima Izem, Jacqueline M Major, David J Graham
This retrospective cohort study of subjects enrolled in the United Kingdom Clinical Practice Research Datalink from 2000-2013 evaluated long-term risks of death, stroke, and acute myocardial infarction (AMI) in adults prescribed clarithromycin. Subjects were outpatients aged 40-85 years prescribed clarithromycin, doxycycline, or erythromycin (287,748, 267,729, and 442,999 patients, respectively), or H. pylori eradication therapy with a proton pump inhibitor, amoxicillin, and either clarithromycin (27,639 patients) or metronidazole (14,863 patients)...
September 20, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29035009/prevalence-antibiotic-resistance-and-mlst-typing-of-helicobacter-pylori-in-algiers-algeria
#6
Naïma Raaf, Wahiba Amhis, Houria Saoula, Ahmed Abid, Mhamed Nakmouche, Abdelmalek Balamane, Nassima Ali Arous, Mounira Ouar-Korichi, Filipa F Vale, Lucie Bénéjat, Francis Mégraud
BACKGROUND: Helicobacter pylori infection is common in Algeria, but there are few data on the characterization of isolated strains. The aim of this study was to update data on the prevalence of H. pylori in patients submitted to endoscopy, antibiotic resistance, and phylogeography of H. pylori strains isolated in Algiers. MATERIALS AND METHODS: This is a prospective study carried out between November 2015 and August 2016. The culture of H. pylori was performed on antral and fundic gastric biopsies of adult patients from 3 hospitals...
October 16, 2017: Helicobacter
https://www.readbyqxmd.com/read/29034570/efficacy-of-different-carriers-for-the-triple-antibiotic-powder-during-regenerative-endodontic-procedures
#7
David Hwang, Hanson Fong, James D Johnson, Avina Paranjpe
Chemical debridement during Regenerative Endodontic procedures is important. Previous research studies have evaluated various antibiotics and their concentrations but none have addressed the concern of delivering these materials. Hence, the purpose of this study was to determine what carrier could be used effectively in a clinical setting. Sixty caries-free maxillary incisors were used and inoculated with Enterococcus faecalis and divided into positive and irrigation controls and experimental groups that had triple antibiotic powder (1:1:1 ciprofloxacin:metronidazole:minocycline) delivered using various carriers: saline, cotton, sponge and methylcellulose...
October 16, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29033421/the-resolution-of-helicobacter-suis-associated-gastric-lesions-after-eradication-therapy
#8
Satoru Nakagawa, Tadashi Shimoyama, Masahiko Nakamura, Daisuke Chiba, Hidezumi Kikuchi, Manabu Sawaya, Daisuke Chinda, Tatsuya Mikami, Shinsaku Fukuda
A reddish depressed lesion was found in the corpus of the stomach of a 56-year-old man. Gastric biopsy showed no findings of MALT lymphoma, including lympho-epithelial lesions. A urea breath test, stool antigen test and serum IgG antibody to Helicobacter pylori test were negative. Magnifying endoscopy using narrow-band-imaging showed no malignant structures. Gastric biopsy specimens were subjected to immunohistochemistry and a PCR, which identified Helicobacter suis infection. Triple therapy with esomeprazole, metronidazole, and amoxicillin was administered for 10 days...
October 16, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29033302/the-antimicrobial-susceptibility-of-helicobacter-pylori-in-strains-isolated-from-children-in-israel
#9
Nina Pastukh, Avi Peretz, Diana Brodsky, Natlya Isakovich, Maya Azrad, Avi On
BACKGROUND: Helicobacter pylori is a pathogen that causes inflammation in the gastric mucosa, and may lead to a peptic ulcer, perforation, or malignancy. Children are at risk of contracting H. pylori and developing subsequent morbidity. In children, diagnosis and management are difficult and merit a different approach than with adults. OBJECTIVE: To describe resistance rates of H. pylori to antibiotics such as amoxicillin, tetracycline, clarithromycin, metronidazole, levofloxacin, and Rifampicin...
October 12, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29030305/entirely-s-protected-chitosan-a-promising-mucoadhesive-excipient-for-metronidazole-vaginal-tablets
#10
Noemi Lupo, Benjamin Fodor, Ijaz Muhammad, Muhammad Yaqoob, Barbara Matuszczak, Andreas Bernkop-Schnürch
AIM: Synthesis and evaluation of an entirely S-protected chitosan as mucoadhesive excipient for vaginal drug delivery. METHODS: N-acetyl-cysteine was linked to 6-mercaptonicotinamide via disulphide exchange reaction. The obtained ligand, NAC-6-MNA, was subsequently attached to chitosan by carbodiimide mediated amide bond formation in two concentrations. The synthesized S-protected chitosan was chemically characterized and mucoadhesive properties and stability against oxidation were investigated...
October 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29030290/ex-vivo-evaluation-of-degradation-rates-of-metronidazole-and-olsalazine-in-distal-ileum-and-in-cecum-the-impact-of-prandial-state
#11
Eleni Karatza, Constantinos Goumas, Uwe Muenster, Christos Reppas, Maria Vertzoni
PURPOSE: Evaluate ex vivo the bacterial metabolism induced degradation rates of mesalamine (negative control), metronidazole and olsalazine in distal ileum and in cecum. METHODS: The contents of distal ileum and cecum were collected during colonoscopy under anaerobic conditions from twelve healthy adults in the fasted and in the fed state. To eliminate potential effects of enzymes that may exist in the fluid of lower intestine, each sample was ultracentrifuged and the precipitate was diluted with a volume of normal saline equivalent to that of the supernatant, after ultracentrifugation of intestinal contents from which the specific precipitate had been obtained...
October 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29029221/analysis-of-clostridium-difficile-biofilms-imaging-and-antimicrobial-treatment
#12
Garth A James, Laurent Chesnel, Laura Boegli, Elinor deLancey Pulcini, Steve Fisher, Philip S Stewart
Background: Clostridium difficile, a spore-forming Gram-positive anaerobic bacillus, is the most common causative agent of healthcare-associated diarrhoea. Formation of biofilms may protect C. difficile against antibiotics, potentially leading to treatment failure. Furthermore, bacterial spores or vegetative cells may linger in biofilms in the gut causing C. difficile infection recurrence. Objectives: In this study, we evaluated and compared the efficacy of four antibiotics (fidaxomicin, surotomycin, vancomycin and metronidazole) in penetrating C...
October 6, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29027242/optimal-dose-and-duration-of-amoxicillin-plus-metronidazole-as-an-adjunct-to-non-surgical-periodontal-therapy-a-systematic-review-and-meta-analysis-of-randomized-placebo-controlled-trials
#13
REVIEW
Kelly McGowan, Troy McGowan, Saso Ivanovski
AIM: This systematic review aimed to determine the optimum dose and duration of amoxicillin-plus-metronidazole prescribed as an adjunct to non-surgical treatment of periodontitis. METHODS: Electronic searching identified 376 records, of which 18 were eligible blinded, randomized placebo-controlled trials. The primary outcomes assessed were periodontal pocket depth and clinical attachment level at 3-months, and secondary outcomes were adverse events and compliance...
October 13, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29026601/complications-effectiveness-and-long-term-follow-up-of-fecal-microbiota-transfer-by-nasoduodenal-tube-for-treatment-of-recurrent-clostridium-difficile-infection
#14
Yvette H van Beurden, Pieter F de Groot, Els van Nood, Max Nieuwdorp, Josbert J Keller, Abraham Goorhuis
BACKGROUND: Fecal microbiota transfer (FMT) is an effective treatment for recurrent Clostridium difficile infection (CDI), but data on procedure-related complications and long-term outcome are scarce. METHODS: All patients treated with FMT for recurrent CDI at the Academic Medical Center between July 2010 and January 2016 were included. FMT was performed according to the FECAL trial protocol: administration of fresh donor feces (related or unrelated donor) through a duodenal tube after pre-treatment with vancomycin and bowel lavage...
October 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29026593/antibiotic-resistance-and-gyra-mutation-affect-the-efficacy-of-10-day-sitafloxacin-metronidazole-esomeprazole-therapy-for-helicobacter-pylori-in-penicillin-allergic-patients
#15
Hideki Mori, Hidekazu Suzuki, Juntaro Matsuzaki, Tatsuhiro Masaoka, Takanori Kanai
BACKGROUND AND AIM: Helicobacter pylori (H. pylori) eradication regimen has not been standardized for patients with penicillin allergy. We investigated the association between the efficacy of a 10-day sitafloxacin, metronidazole, and esomeprazole triple regimen and antibiotic resistance, in patients with penicillin allergy. METHODS: Penicillin-allergic patients infected with H. pylori were enrolled between March 2014 and November 2015. The minimum inhibitory concentrations (MICs) of sitafloxacin and metronidazole, and the gyrA mutation status of the H...
October 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29022402/antibiotics-exposure-and-risk-of-inflammatory-bowel-disease-a-systematic-review
#16
Nikoletta A Theochari, Anastasios Stefanopoulos, Konstantinos S Mylonas, Konstantinos P Economopoulos
AIM: The aim of this study was to critically assess all available evidence suggesting an association between antibiotic exposure and new onset of inflammatory bowel disease (IBD). MATERIALS AND METHODS: This systematic review was conducted according to the PRISMA statement and eligible studies were identified through search of PubMed, Embase and the Cochrane Library. Data on patient demographics, antibiotic exposure and confounding factors were analyzed. The Newcastle-Ottawa Scale (NOS) was used to assess the quality of eligible studies...
October 12, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29021466/successful-treatment-of-a-case-of-late-onset-colitis-after-umbilical-cord-transplantation-with-metronidazole-a-case-report-and-literature-review
#17
Reona Sakemura, Hiroshi Hayakawa, Hiroatsu Iida, Masafumi Ito, Tomohiro Kajiguchi
Diarrhea after hematopoietic stem cell transplantation (HSCT) can be life-threatening, and its etiology includes conditioning regimens, graft-versus-host disease (GVHD), infections, and transplantation-associated microangiopathy (iTAM). Cord colitis syndrome (CCS) has been described as a syndrome of culture-negative and antibiotic-responsive persistent watery and non-bloody diarrhea of uncertain pathogenesis and occurs in umbilical cord blood transplantation (UCBT) recipients. We encountered a case similar to CCS that developed severe watery diarrhea after UCBT without any signs of GVHD or infection and responded well to metronidazole (MNZ) treatment...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28992674/is-helicobacter-pylori-associated-functional-dyspepsia-correlated-with-dysbiosis
#18
REVIEW
Yeon-Ji Kim, Woo Chul Chung, Byung Wook Kim, Sung Soo Kim, Jin Il Kim, Na Jin Kim, Jinho Yoo, Soo Hwan Kim
Background/Aims: To assess the long-term effect of Helicobacter pylori eradication on symptomatic improvement according to the type of antibiotic and the duration of treatment in H. pylori-associated functional dyspepsia. Methods: We searched Pubmed, Embase, CINAHL, and the Cochrane library databases for randomized controlled trials written in English and undertaken up to August 2016 that met our eligibility criteria. The search methodology used combinations of the following keywords: Helicobacter pylori OR H...
October 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28990120/sequential-versus-concomitant-therapy-for-treatment-of-helicobacter-pylori-infection-an-updated-systematic-review-and-meta-analysis
#19
REVIEW
Youhua Wang, Rulin Zhao, Ben Wang, Qiaoyun Zhao, Zhen Li, Liya Zhu-Ge, Wenzhu Yin, Yong Xie
BACKGROUND: Sequential and concomitant therapies are two innovative therapies for Helicobacter pylori (H. pylori) eradication. However, the comparative efficacy and safety of these treatments are controversial. Therefore, we aimed to conduct an updated systematic review and meta-analysis of studies that compared these two treatments. METHODS: A search of PubMed, Embase, the Cochrane Library, and Web of Science was carried out. Randomized controlled trials (RCTs) that compared sequential with concomitant therapies were selected for meta-analysis...
October 8, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28987390/molecular-epidemiology-of-clostridium-difficile-infection-in-a-brazilian-cancer-hospital
#20
Cecília Leite Costa, Cibele Barreto Mano de Carvalho, Rafael Holanda González, Markus Andret Cavalcante Gifoni, Ronaldo de Albuquerque Ribeiro, Carlos Quesada-Gómez, Gerly Anne de Castro Brito
Clostridium difficile is a Gram-positive spore forming anaerobic bacterium and the main cause of healthcare-associated diarrhea. This study aimed to perform the phenotypic characterization and molecular typing of Clostridium difficile isolates among patients at a cancer hospital in Brazil. During 18 months, 48 diarrheic fecal samples were collected, of these 48% were positive in either one or both of the performed tests: detection of toxins A/B and culture. Clostridium difficile was recovered from four samples (17%)...
October 5, 2017: Anaerobe
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