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https://www.readbyqxmd.com/read/29690685/-current-status-of-diagnosis-and-treatment-of-community-acquired-pneumonia-in-shanghai-revealed-by-a-questionnaire-analysis
#1
J Liu, J Zhang, Q J Cheng, J F Xu, Z J Jie, Y Jiao, Y Huang, J M Qu
Objective: To understand the current status of diagnosis and treatment of community-acquired pneumonia (CAP) among doctors in various hospitals across Shanghai, for the purpose of promoting the 2016 clinical practice guidelines for adult CAP of China. Methods: A questionnaire was designed to address the common questions in CAP management. The responses were collected via WeChat and the data were analyzed. Results: A total of 1 254 valid questionnaires were received, 46.1% from tertiary , 26.4% from secondary and 27...
April 12, 2018: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29679645/sequencing-of-pt5282-ctxm-p13190-kpc-and-p30860-nr-and-comparative-genomics-analysis-of-incx8-plasmids
#2
Haihong Fang, Jiao Feng, Yuanhong Xu, Ying Zhang, Zhe Zhan, Zhe Yin, Xiongbo Duan, Bo Gao, Yigang Tong, Jinglin Wang, Yanping Luo, Erhei Dai, Dongsheng Zhou
This study proposed a replicon-based scheme for typing IncX into nine separately clustering subgroups, including IncX1α, IncX1β and IncX2-8. The complete nucleotide sequences of three IncX8 plasmids, namely pT5282-CTXM and p30860-NR from Enterobacter cloacae and p13190-KPC from Klebsiella pneumoniae, were determined and compared with all the other two previously sequenced IncX8 plasmids pCAV1043-58 and pCAV1741-16. These five plasmids possessed conserved IncX8 backbones with limited genetic variations with respect to gene content and organization, and each of them carried one or three accessory modules that harbored resistance markers and metabolic gene clusters as well as transposons, insertion sequence (IS)-based transposition units and miniature inverted repeat transposable elements, indicating that the relatively small IncX8 backbones were able to integrate various foreign genetic contents...
April 18, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29662129/intracellular-replication-of-streptococcus-pneumoniae-inside-splenic-macrophages-serves-as-a-reservoir-for-septicaemia
#3
Giuseppe Ercoli, Vitor E Fernandes, Wen Y Chung, Joseph J Wanford, Sarah Thomson, Christopher D Bayliss, Kornelis Straatman, Paul R Crocker, Ashley Dennison, Luisa Martinez-Pomares, Peter W Andrew, E Richard Moxon, Marco R Oggioni
Bacterial septicaemia is a major cause of mortality, but its pathogenesis remains poorly understood. In experimental pneumococcal murine intravenous infection, an initial reduction of bacteria in the blood is followed hours later by a fatal septicaemia. These events represent a population bottleneck driven by efficient clearance of pneumococci by splenic macrophages and neutrophils, but as we show in this study, accompanied by occasional intracellular replication of bacteria that are taken up by a subset of CD169+ splenic macrophages...
April 16, 2018: Nature Microbiology
https://www.readbyqxmd.com/read/29659885/results-from-the-survey-of-antibiotic-resistance-soar-2014-16-in-ukraine-and-the-slovak-republic
#4
D Torumkuney, T Pertseva, E Bratus, A Dziublik, V Yachnyk, A Liskova, O Sopko, K Malynovska, I Morrissey
Objectives: To determine antibiotic susceptibility in isolates of Streptococcus pneumoniae and Haemophilus influenzae collected in 2014-16 from Ukraine and the Slovak Republic. Methods: MICs were determined by CLSI broth microdilution and susceptibility was assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. Results: S. pneumoniae isolates collected in Ukraine (n = 100) showed susceptibility rates ≥97% for amoxicillin, amoxicillin/clavulanic acid, penicillin [intravenous (iv) non-meningitis] and fluoroquinolones, between 83% and 86% for oral penicillin, macrolides and cefaclor, and 75% for trimethoprim/sulfamethoxazole...
April 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29659884/results-from-the-survey-of-antibiotic-resistance-soar-2014-16-in-greece
#5
D Torumkuney, J Papaparaskevas, I Morrissey
Objectives: To determine antimicrobial susceptibility in isolates of Streptococcus pneumoniae and Haemophilus influenzae collected in 2014-16 from patients with community-acquired respiratory tract infections in Greece. Methods: MICs were determined by CLSI broth microdilution and susceptibility assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. Results: A total of 99 S. pneumoniae and 52 H. influenzae isolates were collected...
April 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29659883/results-from-the-survey-of-antibiotic-resistance-soar-2014-16-in-the-czech-republic
#6
D Torumkuney, H Zemlickova, M Maruscak, I Morrissey
Objectives: To determine the antibiotic susceptibility of isolates of Streptococcus pneumoniae and Haemophilus influenzae collected in 2014-16 from patients with community-acquired respiratory infections in the Czech Republic. Methods: MICs were determined by CLSI broth microdilution and susceptibility was assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. Results: S. pneumoniae isolates (n = 200) showed high rates of susceptibility (>95%) to amoxicillin, amoxicillin/clavulanic acid, penicillin [intravenous (iv) non-meningitis], ceftriaxone, cefuroxime and the fluoroquinolones using CLSI breakpoints...
April 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29659882/results-from-the-survey-of-antibiotic-resistance-soar-2014-16-in-bulgaria-romania-serbia-and-croatia
#7
D Torumkuney, M Nica, I Nistor, R Vatcheva-Dobrevska, V Petrovic, A Stoica, B Hanicar, Dj Antic, I Morrissey
Objectives: To determine antibiotic susceptibility of isolates of Streptococcus pneumoniae (n = 573) and Haemophilus influenzae (n = 345) collected in 2014-16 from Bulgaria, Romania, Serbia and Croatia. Methods: MICs were determined by CLSI broth microdilution and susceptibility was assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. Results: Among S. pneumoniae, susceptibility was generally lowest in Romania and Serbia and highest in Bulgaria...
April 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29659881/results-from-the-survey-of-antibiotic-resistance-soar-2014-16-in-russia
#8
D Torumkuney, N Mayanskiy, M Edelstein, S Sidorenko, R Kozhevin, I Morrissey
Objectives: To determine antibiotic susceptibility in isolates of Streptococcus pneumoniae and Haemophilus influenzae collected in 2014-16 from Russia. Methods: MICs were determined by CLSI broth microdilution and susceptibility was assessed using CLSI, EUCAST and pharmacokinetic/pharmacodynamic (PK/PD) breakpoints. Results: A total of 279 S. pneumoniae and 279 H. influenzae were collected. Overall, 67.0% of S. pneumoniae were penicillin susceptible by CLSI oral/EUCAST and 93...
April 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29621339/clarithromycin-expands-cd11b-gr-1-cells-via-the-stat3-bv8-axis-to-ameliorate-lethal-endotoxic-shock-and-post-influenza-bacterial-pneumonia
#9
Ho Namkoong, Makoto Ishii, Hideki Fujii, Kazuma Yagi, Takahiro Asami, Takanori Asakura, Shoji Suzuki, Ahmed E Hegab, Hirofumi Kamata, Sadatomo Tasaka, Koji Atarashi, Nobuhiro Nakamoto, Satoshi Iwata, Kenya Honda, Takanori Kanai, Naoki Hasegawa, Shigeo Koyasu, Tomoko Betsuyaku
Macrolides are used to treat various inflammatory diseases owing to their immunomodulatory properties; however, little is known about their precise mechanism of action. In this study, we investigated the functional significance of the expansion of myeloid-derived suppressor cell (MDSC)-like CD11b+Gr-1+ cells in response to the macrolide antibiotic clarithromycin (CAM) in mouse models of shock and post-influenza pneumococcal pneumonia as well as in humans. Intraperitoneal administration of CAM markedly expanded splenic and lung CD11b+Gr-1+ cell populations in naïve mice...
April 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29600055/clarithromycin-mitigates-radiation-pneumonitis-in-patients-with-lung-cancer-treated-with-stereotactic-body-radiotherapy
#10
Atsuya Takeda, Yuichiro Tsurugai, Naoko Sanuki, Tatsuji Enomoto, Masaharu Shinkai, Tomikazu Mizuno, Yousuke Aoki, Yohei Oku, Takeshi Akiba, Yu Hara, Etsuo Kunieda
Background: Radiation pneumonitis is a critical pulmonary toxicity after irradiation of the lung. Macrolides including clarithromycin (CAM) are antibiotics. They also have immunomodulatory properties and are used to treat respiratory inflammatory diseases. Radiation pneumonitis has similar pathology to them. Adverse reactions to macrolides are few and self-limited. We thus administered CAM to patients with high-risk factors for radiation pneumonitis, and retrospectively investigated whether CAM mitigated radiation pneumonitis following stereotactic body radiotherapy (SBRT)...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29553440/inpatient-management-of-community-acquired-pneumonia-at-the-european-gaza-hospital-a-clinical-audit
#11
Said Alyacoubi, Yousef Abuowda, Loai Albarqouni, Bettina Böttcher, Khamis Elessi
BACKGROUND: Disease severity scores such as CURB-65 are often used to guide the management of patients with community-acquired pneumonia. Early and adequate empirical antibiotic treatment reduces mortality. The aim of this study was to examine the severity assessment and management of patients presenting with community-acquired pneumonia at the European Gaza Hospital in the Gaza Strip and to compare this to the best available evidence. METHODS: Medical records of all patients admitted to the European Gaza Hospital with a diagnosis of community-acquired pneumonia between Dec 1, 2015, and March 31, 2016, were reviewed retrospectively...
February 21, 2018: Lancet
https://www.readbyqxmd.com/read/29548654/recent-trends-in-practice-patterns-and-impact-of-corticosteroid-use-on-pediatric-mycoplasma-pneumoniae-related-respiratory-infections
#12
Yusuke Okubo, Nobuaki Michihata, Naho Morisaki, Kazuhiro Uda, Isao Miyairi, Yuichi Ogawa, Hiroki Matsui, Kiyohide Fushimi, Hideo Yasunaga
BACKGROUND: Mycoplasma pneumoniae is a major pathogen causing community-acquired pneumonia/bronchitis in children, and macrolide-resistant strains are increasing in East Asian countries. Recent practice patterns, especially for antibiotic selection, and benefits of corticosteroid treatment in pediatric Mycoplasma pneumoniae infections remain unclear. METHODS: Using the Japanese Diagnosis Procedure Combination inpatient database, we analyzed recent trends in antibiotic selection and corticosteroid use for pediatric Mycoplasma pneumoniae-related respiratory infections, using multivariable mixed effects logistic regressions...
March 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29543980/macrolide-antibiotics-for-bronchiectasis
#13
REVIEW
Carol Kelly, James D Chalmers, Iain Crossingham, Nicola Relph, Lambert M Felix, David J Evans, Stephen J Milan, Sally Spencer
BACKGROUND: Bronchiectasis is a chronic respiratory disease characterised by abnormal and irreversible dilatation and distortion of the smaller airways. Bacterial colonisation of the damaged airways leads to chronic cough and sputum production, often with breathlessness and further structural damage to the airways. Long-term macrolide antibiotic therapy may suppress bacterial infection and reduce inflammation, leading to fewer exacerbations, fewer symptoms, improved lung function, and improved quality of life...
March 15, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29513362/a-multi-site-intervention-for-pediatric-community-acquired-pneumonia-in-community-settings
#14
Corrie E McDaniel, Wren Haaland, Joshua Parlaman, Chuan Zhou, Arti D Desai
OBJECTIVES: The majority of children with community acquired pneumonia (CAP) are primarily evaluated in community hospital emergency departments (EDs); however, studies on the management of pediatric CAP have largely targeted care provided in free-standing children's hospital EDs or inpatient settings. The objectives of this study were to examine whether implementation of a CAP pathway within three community hospital EDs and inpatient units improved process measures related to appropriate laboratory testing and antibiotic prescribing, and to compare performance on these measures between the community hospitals and a free-standing children's hospital...
March 7, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29509667/genetic-determinants-of-tetracycline-resistance-in-clinical-streptococcus-pneumoniae-serotype-1-isolates-from-niger
#15
Sani Ousmane, Bouli A Diallo, Rasmata Ouedraogo
Streptococcus pneumoniae serotype 1 is the first cause of pneumococcal meningitis Niger. To determine the underlying mechanism of resistance to tetracycline in serotype 1 Streptococcus pneumoniae , a collection of 37 isolates recovered from meningitis patients over the period of 2002 to 2009 in Niger were analyzed for drug susceptibility, and whole genome sequencing (WGS) was performed for molecular analyses. MIC level was determined for 31/37 (83.8%) isolates and allowed detection of full resistance (MIC = 8 µg) in 24/31 (77...
March 6, 2018: Antibiotics
https://www.readbyqxmd.com/read/29507061/metabolism-excretion-and-mass-balance-of-solithromycin-in-humans
#16
Christopher MacLauchlin, Stephen E Schneider, Kara Keedy, Prabhavathi Fernandes, Brian D Jamieson
Solithromycin, a novel macrolide and the first fluoroketolide, is being developed as a therapy for community-acquired bacterial pneumonia, with a distinct mechanism that provides activity against macrolide-resistant bacteria. The pharmacokinetics, metabolism, and excretion of solithromycin, were studied in healthy male subjects after oral administration of a single 800 mg (∼100 μCi) dose of [14 C]solithromycin. Solithromycin was well tolerated and absorption from the solution occurred with a median time to peak concentration of 4...
March 5, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29496334/whole-genome-analysis-of-a-multidrug-resistant-streptococcus-pneumoniae-isolate-from-a-patient-with-invasive-pneumococcal-infection-developing-disseminated-intravascular-coagulation
#17
Yasuo Ohkoshi, Toyotaka Sato, Takayuki Wada, Yukari Fukushima, Hiromi Murabayashi, Yasunari Takakuwa, Kaoru Nishiyama, Hiroyuki Honda, Tsukasa Shiraishi, Koji Kuronuma, Hiroki Takahashi, Chie Nakajima, Yasuhiko Suzuki, Shin-Ichi Yokota
Multidrug-resistant Streptococcus pneumoniae strains were isolated from blood and sputum of a patient with disseminated intravascular coagulation in Sapporo city, Japan. These antibiograms were only susceptible to vancomycin, linezolid, daptomycin, some carbapenems, and some fluoroquinolones. Identical antibiograms, serotypes (19F), and sequence types (ST10017) suggested a shared origin of these isolates. Only one ST10017 strain has been isolated in the same city in Japan previously (2014), and the 2014 isolate is still susceptible to macrolides...
February 26, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29489898/effects-of-clinical-pathway-implementation-on-antibiotic-prescriptions-for-pediatric-community-acquired-pneumonia
#18
Daniele Donà, Silvia Zingarella, Andrea Gastaldi, Rebecca Lundin, Giorgio Perilongo, Anna Chiara Frigo, Rana F Hamdy, Theoklis Zaoutis, Liviana Da Dalt, Carlo Giaquinto
BACKGROUND: Italian pediatric antimicrobial prescription rates are among the highest in Europe. As a first step in an Antimicrobial Stewardship Program, we implemented a Clinical Pathway (CP) for Community Acquired Pneumonia with the aim of decreasing overall prescription of antibiotics, especially broad-spectrum. MATERIALS AND METHODS: The CP was implemented on 10/01/2015. We collected antibiotic prescribing and outcomes data from children aged 3 months-15 years diagnosed with CAP from 10/15/2014 to 04/15/2015 (pre-intervention period) and from 10/15/2015 to 04/15/2016 (post-intervention period)...
2018: PloS One
https://www.readbyqxmd.com/read/29487250/management-of-lower-respiratory-tract-infection-in-outpatient-settings-focus-on-clarithromycin
#19
REVIEW
Ashok Mahashur
Lower respiratory tract infection (LRTI) is a broad terminology which includes acute bronchitis, pneumonia, acute exacerbations of chronic obstructive pulmonary disease/chronic bronchitis (AECB), and acute exacerbation of bronchiectasis. Acute LRTIs (ALRTIs) are one of the common clinical problems in community and hospital settings. Management of community-acquired pneumonia (CAP) and AECB may pose challenges because of diagnostic difficulty in differentiating infections caused by typical and atypical microorganisms and rising rates of antimicrobial resistance...
March 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29479347/genome-sequencing-of-extended-spectrum-%C3%AE-lactamase-esbl-producing-klebsiella-pneumoniae-isolated-from-pigs-and-abattoir-workers-in-cameroon
#20
Luria L Founou, Raspail C Founou, Mushal Allam, Arshad Ismail, Cyrille F Djoko, Sabiha Y Essack
Background and objectives: Extended-spectrum β-lactamase (ESBL)-producing Klebsiella pneumoniae is a serious public health issue globally. In this study, the antibiotic resistance genes, virulence factors, mobile genetic elements, and genetic lineages of circulating ESBL-producing K. pneumoniae strains isolated from pigs and humans in Cameroonian abattoirs were investigated using whole genome sequencing (WGS), in order to ascertain zoonotic transmission (viz. from animals to humans and/or vice-versa) in the food chain...
2018: Frontiers in Microbiology
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