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https://www.readbyqxmd.com/read/28814829/antibiotic-susceptibility-heteroresistance-and-updated-treatment-strategies-in-helicobacter-pylori-infection
#1
REVIEW
Maria Teresa Mascellino, Barbara Porowska, Massimiliano De Angelis, Alessandra Oliva
In this review, we discuss the problem of antibiotic resistance, heteroresistance, the utility of cultures and antibiotic susceptibility tests in Helicobacter pylori (Hp) eradication, as well as the updated treatment strategies for this infection. The prevalence of antibiotic resistance is increasing all over the world, especially for metronidazole and clarithromycin, because of their heavy use in some geographical areas. Heteroresistance (simultaneous presence of both susceptible and resistant strains in different sites of a single stomach) is another important issue, as an isolate could be mistakenly considered susceptible if a single biopsy is used for antimicrobial tests...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28814358/frequency-of-selective-immediate-responders-to-aminopenicillins-and-cephalosporins-in-turkish-children
#2
Emine Dibek Misirlioglu, Hakan Guvenir, Muge Toyran, Emine Vezir, Murat Capanoglu, Ersoy Civelek, Betul Buyuktiryaki, Tayfur Ginis, Can Naci Kocabas
BACKGROUND: Beta-lactam antibiotics (BLA) are the most commonly prescribed antibiotics and are responsible for the majority of immediate hypersensitivity reactions to drugs in children. Cross-reactivity is important in hypersensitivity to BLAs because these drugs all share a common beta-lactam structure and some share similar side chains. OBJECTIVE: The aim of this study was to evaluate the clinical characteristics of patients who are diagnosed with immediate-type BLA hypersensitivity and frequency of patients with side chain hypersensitivity, "selective responders...
September 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28807915/both-14-day-hybrid-and-bismuth-quadruple-therapies-cure-most-patients-with-helicobacter-pylori-infection-in-populations-with-moderate-antibiotic-resistance-a-randomized-controlled-trial
#3
Feng-Woei Tsay, Deng-Chyang Wu, Hsien-Chung Yu, Sung-Shuo Kao, Kung-Hung Lin, Jin-Shiung Cheng, Huay-Min Wang, Wen-Chi Chen, Wei-Chih Sun, Kuo-Wang Tsai, Ping-I Hsu
BACKGROUND & AIM: Hybrid therapy is a novel two-step treatment achieving a high eradication rate for H. pylori infection. Currently, whether this new therapy achieves a higher eradication rate than bismuth quadruple therapy remains an unanswered question. The aim of this prospective, randomized, comparive study was to investigate the efficacies of 14-day hybrid therapy and bismuth quadruple therapy in the treatment of H. pylori infection.METHODS: From July 2013 to June 2015, eligible H. pylori-infected subjects were randomly assigned to receive either 14-day bismuth quadruple therapy (pantoprazole, bismuth subcitrate, tetracycline, and metronidazole for 14 days) or 14-day hybrid therapy (a 7-day dual therapy with pantoprazole plus amoxicillin, followed by a 7-day quadraple therapy with pantoprazole plus amoxicillin, clarithromycin and metronidazole)...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28806959/second-line-therapy-for-helicobacter-pylori-eradication-causing-antibiotic-associated-hemorrhagic-colitis
#4
Kazuyuki Tanaka, Mikihiro Fujiya, Aki Sakatani, Shugo Fujibayashi, Yoshiki Nomura, Nobuhiro Ueno, Shin Kashima, Takuma Goto, Junpei Sasajima, Kentaro Moriichi, Toshikatsu Okumura
OBJECTIVE: Helicobacter pylori (H. pylori) eradication rarely develops into antibiotic-associated hemorrhagic colitis (AAHC), in which the etiology of colitis remains unclear. We herein report a rare case of AAHC caused by second-line therapy for H. pylori eradication. RESULTS: A 65-year-old female was administered second-line therapy for H. pylori composed of 1500 mg of amoxicillin, 500 mg of metronidazole and 40 mg of vonoprazan for 7 days because of first-line therapy failure...
August 14, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28803018/short-communication-molecular-characteristics-antimicrobial-susceptibility-and-pathogenicity-of-clinical-nocardia-cyriacigeorgica-isolates-from-an-outbreak-of-bovine-mastitis
#5
Wei Chen, Yongxia Liu, Herman W Barkema, Jian Gao, Jeroen De Buck, John P Kastelic, Gang Liu, Tariq Ali, Muhammad Shahid, Bo Han
The occurrence of nocardial mastitis, mostly in the context of outbreaks, has been reported in many countries. However, there is a paucity of reports regarding detailed characterization of Nocardia cyriacigeorgica from bovine mastitis. Thus, herein we report characteristics, antimicrobial susceptibility patterns, molecular identification, and pathogenicity of N. cyriacigeorgica isolated from an outbreak of clinical mastitis in a dairy herd in northern China. A total of 182 (80.2%) lactating cows had clinical mastitis with severe inflammation and firmness of the udder, reduced milk production, and anorexia, with no apparent clinical response to common antibiotics...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28799835/occurrence-of-carbapenemase-producing-enterobacteriaceae-isolates-in-the-wildlife-first-report-of-oxa-48-in-wild-boars-in-algeria
#6
Taous Bachiri, Sofiane Bakour, Rym Lalaoui, Nadia Belkebla, Meriem Allouache, Jean Marc Rolain, Abdelaziz Touati
The aim of the present study was to screen for the presence of carbapenemase-producing Enterobacteriaceae (CPE) isolates from wild boars and Barbary macaques in Algeria. Fecal samples were collected from wild boars (n = 168) and Barbary macaques (n = 212), in Bejaia, Algeria, between September 2014 and April 2016. The isolates were identified and antimicrobial susceptibility was determined. Carbapenem resistance determinants were studied using PCR and sequencing, while clonal relatedness was performed using multilocus sequence typing (MLST)...
August 11, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28799833/plasmid-mediated-colistin-resistance-gene-mcr-1-in-an-escherichia-coli-st10-bloodstream-isolate-in-the-sultanate-of-oman
#7
Jalila Mohsin, Tibor Pál, Jorgen Eskild Petersen, Dania Darwish, Akela Ghazawi, Tanveer Ashraf, Agnes Sonnevend
AIMS: To identify plasmid-mediated colistin resistance in clinical Enterobacteriaceae isolates in Oman, where this resistance mechanism has not been encountered yet. MATERIALS/METHODS: Twenty-two colistin-resistant Enterobacteriaceae clinical isolates collected between July 2014 and June 2016 in a tertiary care hospital in Muscat were screened by PCR for the mcr-1 and mcr-2 genes. The strain identified as mcr-1 positive was genotyped and its antibiotic susceptibility was established...
August 11, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28795294/how-long-does-antimycobacterial-antibiotic-loaded-bone-cement-have-in-vitro-activity-for-musculoskeletal-tuberculosis
#8
Jae Hoo Lee, Chang Dong Han, Sang-Nae Cho, Ick Hwan Yang, Woo Suk Lee, Seung-Hun Baek, Jae Won Shin, Khalid Elfadil Ibrahim Husein, Kwan Kyu Park
BACKGROUND: Antibiotic-loaded bone cement is accepted as an effective treatment modality for musculoskeletal tuberculosis. However, comparative information regarding combinations and concentrations of second-line antimycobacterial drugs, such as streptomycin and amoxicillin and clavulanic acid, are lacking. QUESTIONS/PURPOSES: (1) In antibiotic-loaded cement, is there effective elution of streptomycin and Augmentin(®) (amoxicillin and clavulanic acid) individually and in combination? (2) What is the antibacterial activity duration for streptomycin- and amoxicillin and clavulanic acid -loaded cement? METHODS: Six different types of bone cement discs were created by mixing 40 g bone cement with 1 or 2 g streptomycin only, 0...
August 9, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28791973/pattern-of-prescription-of-antibiotics-among-dental-practitioners-in-jeddah-ksa-a-cross-sectional-survey
#9
K Al-Johani, S G Reddy, A S Al Mushayt, A El-Housseiny
BACKGROUND: Inappropriate use of antibiotics by clinicians leads to antibiotic resistance, and is a serious global health concern. AIM: The aim of this study was to determine antibiotic prescription practices of dental practitioners and their adherence to professional guidelines while treating oral health problems among children. MATERIALS AND METHODS: All the dentists working in Jeddah were invited to participate and 126 dentists consented to be a part of this study...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28791844/frequency-of-infection-with-helicobacter-pylori-isolates-of-different-antimicrobial-profiles-in-children-and-adolescents-a-preliminary-study
#10
Grażyna Gościniak, Monika M Biernat, Aldona Bińkowska, Agnieszka Kus, Barbara Iwańczak
BACKGROUND: Helicobacter pylori (H. pylori) infection can occur as a mixed infection caused by several strains of H. pylori. OBJECTIVES: The aim of the study was to determine the frequency of colonization of the gastric mucosa by strains of H. pylori with different susceptibility to antimicrobial agents. MATERIAL AND METHODS: The study was carried out on gastric biopsies taken from 54 previously untreated Polish children and adolescents. Of the 15 positive cultures, from each primary medium, 6 single H...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791044/adding-bismuth-to-rabeprazole-based-first-line-triple-therapy-does-not-improve-the-eradication-of-helicobacter-pylori
#11
Meng-Chieh Wu, Yao-Kuang Wang, Chung-Jung Liu, Fang-Jung Yu, Fu-Chen Kuo, Min-Li Liu, Chao-Hung Kuo, Deng-Chyang Wu, Yao-Kang Huang, I-Chen Wu
This randomized controlled study aimed to evaluate whether adding bismuth to the standard first-line triple therapy could improve the eradication rate of Helicobacter pylori. A total of 162 patients with Helicobacter pylori infection were randomly assigned to either the 7-day triple therapy group (RAK regimen: rabeprazole 20 mg, amoxicillin 1 g, and clarithromycin 500 mg bid; n = 81) or the bismuth plus triple therapy group (n = 81). In the RBAK group, bismuth subcitrate 360 mg twice daily was added to the RAK regimen...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28790141/prognostic-factors-for-treatment-failure-in-acute-otitis-media
#12
Paula A Tähtinen, Miia K Laine, Aino Ruohola
BACKGROUND AND OBJECTIVES: Antimicrobial treatment is effective in the management of acute otitis media (AOM), but approximately half of the children may recover without antimicrobial agents. By identifying patients who may not require antimicrobial treatment for the management of AOM, the use of antimicrobial agents could be substantially reduced. Our aim was to identify subgroups of children with AOM who would benefit most from antimicrobial treatment and children who could be suitable for initial observation...
August 8, 2017: Pediatrics
https://www.readbyqxmd.com/read/28781119/primary-antibiotic-resistance-in-helicobacter-pylori-in-the-asia-pacific-region-a-systematic-review-and-meta-analysis
#13
Yu-Ting Kuo, Jyh-Ming Liou, Emad M El-Omar, Jeng-Yih Wu, Alex Hwong Ruey Leow, Khean Lee Goh, Rajashree Das, Hong Lu, Jaw-Town Lin, Yu-Kang Tu, Yoshio Yamaoka, Ming-Shiang Wu
BACKGROUND: So far, a comprehensive systematic review and meta-analysis has not been done of the prevalence of primary antibiotic resistance in Helicobacter pylori in the Asia-Pacific region. We aimed to assess the trends and regional differences in primary antibiotic resistance to H pylori in the Asia-Pacific region and to examine the relation between resistance and first-line eradication. METHODS: We did a systematic review and meta-analysis of primary antibiotic resistance to H pylori and the efficacy of first-line regimens in the Asia-Pacific region...
August 3, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28781106/-diagnosis-and-treatment-of-acute-pharyngitis-is-there-any-benefit-on-ten-day-course-of-antibiotics
#14
Catarina Oliveira Pereira, Daniela Ramos, Patrícia Mação, Gustavo Januário, Luís Januário
INTRODUCTION: In group A streptococcal (GAS) pharyngitis a ten-day course of amoxicillin is recommended. However, short-course treatments seem to be equally effective. The aim of this study was to retrospectively evaluate and compare the outcome of patients treated with 7-day course and 10-day course of amoxicillin. MATERIALS AND METHODS: Retrospective analysis of all GAS pharyngitis admitted to a paediatric emergency department in 2014. Demographic variables, the application and results of the rapid antigenic diagnostic test (RADT), treatment, complications and return in the next 30 days were analysed...
August 3, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28780968/efficacy-and-safety-of-rifaximin-associated-with-standard-triple-therapy-omeprazole-clarithromycin-and-amoxicillin-for-h-pylori-eradication-a-phase-iv-pilot-clinical-trial
#15
Mercedes Ramas, Maria G Donday, Adrian G McNicholl, Javier P Gisbert
BACKGROUND: A progressive decrease in Helicobacter pylori eradication rates has been described over the years, driving the need for new antibiotic treatments. AIM: To evaluate the efficacy and safety of the addition of rifaximin (Spiraxin(®)) to standard triple therapy (omeprazole, amoxicillin and clarithromycin) for the eradication of H. pylori. METHODS: Independent prospective clinical trial (EUDRACT no.: 2013-001080-23). Forty consecutive adult patients were included with H...
August 3, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28780229/the-effects-of-helicobacter-pylori-eradication-on-modification-of-metabolic-syndrome-parameters-in-patients-with-functional-dyspepsia
#16
Marjan Mokhtare, Hosna Mirfakhraee, Mahmoud Arshad, Seyed Hossein Samadani Fard, Mansour Bahardoust, Alireza Movahed, Mohsen Masoodi
BACKGROUND: Helicobactor pylori (H. pylori) have the potential role in the pathogenesis of various extra-gastric disorders such as metabolic disorders. But, it is now questioned about whether H. pylori eradication reduces or induces the risk for metabolic disorders especially in patients with dyspepsia. Hence, the present study aimed to assess the effects of H. pylori eradication on criteria of metabolic syndrome. METHODS: H. pylori infected patients with dyspepsia were included...
July 27, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28780059/a-simple-laboratory-algorithm-for-diagnosis-of-melioidosis-in-resource-constrained-areas-a-study-from-north-central-vietnam
#17
T T Trinh, T S Hoang, D A Tran, V T Trinh, A Göhler, T T Nguyen, S N Hoang, R Krumkamp, L T N Nguyen, J May, P M Doan, C D Do, T A Que, I Steinmetz
OBJECTIVE: Melioidosis may be endemic in many tropical developing countries but diagnosis of the disease is currently unreliable in resource-limited areas. Here we aimed to validate a simple and cheap laboratory algorithm for the identification of Burkholderia pseudomallei from clinical specimens in parts of Vietnam where the disease has not been reported before. METHODS: In June 2015, we conducted training courses at five general hospitals in north central provinces in order to raise awareness of the disease and to introduce a simple and cheap laboratory identification algorithm for B...
August 2, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28780055/-amoxicillin-induced-skin-rash-sparing-a-plaque-of-erythema-migrans-renb%C3%A3-k-phenomenon-case-report-and-literature-review
#18
M Dumas, L Blum, E Begon
INTRODUCTION: Renbök phenomenon describes the inhibition of a lesion when a different one appears. We describe the first case of Renbök phenomenon occurring in a context of erythema migrans (EM) spared by an amoxicillin-induced skin rash and we also present a literature review. CASE REPORT: A 60-year-old patient was treated with amoxicillin for EM on the right knee and subsequently developed generalized erythema as a result of an antibiotic-induced skin rash, with sparing of the area previously affected by EM...
August 2, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28777819/infection-stage-adjusted-dose-of-beta-lactams-for-parsimonious-and-efficient-antibiotic-treatments-a-pasteurella-multocida-experimental-pneumonia-in-mice
#19
Maleck V Vasseur, Marlene Z Lacroix, Pierre-Louis Toutain, Alain Bousquet-Melou, Aude A Ferran
In this study, the impact of infection stage on clinically and microbiologically efficacious doses and on antibiotic consumption was assessed during a naturally evolving infectious disease, using an original mouse model of pulmonary infection produced by air-borne contamination. When Pasteurella multocida was administered as pathogenic agent to immunocompetent mice, 60% of the animals exhibited clinical symptoms of pneumonia 2 to 4 days after bacterial contamination of the lungs. Two beta-lactam antibiotics were evaluated: amoxicillin and cefquinome, a fourth generation cephalosporin developed for food animals...
2017: PloS One
https://www.readbyqxmd.com/read/28771880/limited-effectiveness-with-a-10-day-bismuth-containing-quadruple-therapy-pylera-%C3%A2-in-third-line-recue-treatment-for-helicobacter-pylori-infection-a-real-life-multicenter-study
#20
Enrique Rodríguez de Santiago, Carlos Martín de Argila de Prados, Hector Miguel Marcos Prieto, Miguel Ãngel Jorge Turrión, Eva Barreiro Alonso, Alvaro Flores de Miguel, Cristobal de la Coba Ortiz, Carlos Rodríguez Escaja, Gustavo Pérez Álvarez, Carlos Ferre Aracil, Lara Aguilera Castro, Ana García García de Paredes, Antonio Rodríguez Pérez, Agustin Albillos Martínez
BACKGROUND: Helicobacter pylori antibiotic resistance is an increasing problem worldwide. Pylera(®) may be an option as salvage therapy. AIM: To assess the effectiveness, safety, and tolerance of Pylera(®) as a third-line in clinical practice. MATERIALS AND METHODS: This was a multicenter, observational, prospective database study in four Spanish hospitals. Consecutive H. pylori-infected individuals treated with Pylera(®) and a proton-pump inhibitor (PPI) were invited to participate if they had failed to respond to PPI-clarithromycin-amoxicillin as first-line and to levofloxacin-amoxicillin-PPI as second-line therapy...
August 3, 2017: Helicobacter
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