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mycoplasma pneumoniae

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https://www.readbyqxmd.com/read/27923522/development-of-a-multiplex-taqman-real-time-pcr-assay-for-typing-of-mycoplasma-pneumoniae-based-on-type-specific-indels-identified-through-whole-genome-sequencing
#1
Bernard J Wolff, Alvaro J Benitez, Heta P Desai, Shatavia S Morrison, Maureen H Diaz, Jonas M Winchell
We developed a multiplex real-time PCR assay for simultaneously detecting M. pneumoniae and typing into historically-defined P1 types. Typing was achieved based on the presence of short type-specific indels identified through whole genome sequencing. This assay was 100% specific compared to existing methods and may be useful during epidemiologic investigations.
November 25, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27923463/annular-leukocytoclastic-vasculitis-and-infection-by-mycoplasma-pneumoniae
#2
Israel Pérez López, Paula Aguayo Carreras, Francisco José Navarro Tribiño, José Aneiros Fernandez, Ricardo Ruiz Villaverde
No abstract text is available yet for this article.
December 3, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27921149/a-case-of-urticarial-vasculitis-in-a-female-patient-with-lupus-mycoplasma-pneumoniae-infection-or-lupus-reactivation
#3
Mario Diplomatico, Maria Francesca Gicchino, Orsola Ametrano, Pierluigi Marzuillo, Alma Nunzia Olivieri
A 17-year-old female patient affected by systemic lupus erythematosus (SLE) (who had been taking 300 mg/die of hydroxychloroquine for 3 years), Graves' disease (treated with 10 mg/die of tapazole), and celiac disease came to our attention for urticarial vasculitis. She had been taking prednisone (25 mg/die) for 3 days, and her blood tests showed high levels of Mycoplasma pneumoniae IgM and IgG antibodies. The association between urticaria and M. pneumoniae infections can be present in up to 7% of the cases and, to the best of our knowledge, only two reports of urticarial vasculitis and M...
December 5, 2016: Rheumatology International
https://www.readbyqxmd.com/read/27899204/stevens-johnson-syndrome-in-childhood
#4
N Blanco, B Gutiérrez, I Valls, D Puertas, C Martín, M Rivera, Á Hernández, A Torrelo
INTRODUCTION: Stevens-Johnson syndrome and toxic epidermal necrolysis are two serious immune diseases within the context of bullous mucocutaneous syndrome. These have varying degrees of involvement of the skin and usually at least two mucous membranes. CLINICAL CASES: Three clinical cases are presented, two of them with significant ophthalmological sequelae, who had received drug treatment as a possible trigger, and another milder clinical case caused by Mycoplasma pneumoniae...
November 26, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27893691/valuable-hematological-indicators-for-the-diagnosis-and-severity-assessment-of-chinese-children-with-community-acquired-pneumonia-prealbumin
#5
Jingjing Ning, Xiaonan Shao, Yibo Ma, Darong Lv
Chest X-ray is a "golden standard" for the diagnosis and severity assessment of community-acquired pneumonia (CAP). However, it cannot be used as routine examination of CAP in children. The present study aims to investigate the roles of prealbumin (PA) in CAP in children and further determine the usefulness of PA in diagnosis and severity assessment of CAP in children.This was a retrospective analysis of 174 cases of hospitalized children with CAP. The following indicators were recorded: vital sign, inflammatory indexes, PA, and respiratory pathogens immunoglobulin M antibody test results...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27875955/detection-the-mycoplasma-pneumonia-in-synovial-fluid-of-children-with-negative-culture-arthritis-a-cross-sectional-study-in-tehran-iran
#6
Samileh Noorbakhsh, Mohammad Reza Shokrollahi, Farideh Ebrahimi Taj, Vida Zarabi, Azardokht Tabatabaei
BACKGROUND: arthritis could be caused by different etiologies ranging from rheumatologic diseases to infectious conditions. Therefore, early diagnosis of etiology and treatment is important. The purpose of this study was to determine the the M.pneumonia in synovial fluid of children with arthritis by 2 methods (serology and qualitative PCR). Methods & materials: this trial was carried out as a cross sectional study in pediatric and orthopedic ward of Rasoul-e Akram hospital in Tehran, Iran...
November 21, 2016: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/27868144/paediatric-erythema-multiforme-epidemiological-clinical-and-laboratory-characteristics
#7
Yael Siedner-Weintraub, Itai Gross, Almog David, Shimon Reif, Vered Molho-Pessach
Erythema multiforme (EM) is an immune-mediated reaction presenting as acrofacial target lesions. Most studies utilize the outdated classification, which includes EM, Stevens-Johnson syndrome and toxic epidermal necrolysis as related entities. We describe here epidemiological, aetiological, clinical, laboratory and treatment characteristics of paediatric EM. This is a retrospective single-centre study, performed between 2000 and 2013. Of 119 children given a diagnosis of EM, only 30 met clinical criteria and were included in this study...
November 10, 2016: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/27865739/shaken-or-stirred-comparison-of-methods-for-dispersion-of-mycoplasma-pneumoniae-aggregates-for-persistence-in-vivo
#8
Arthur H Totten, Li Xiao, Donna M Crabb, Amy E Ratliff, Kevin Dybvig, Ken B Waites, T Prescott Atkinson
BACKGROUND: Mycoplasma pneumoniae (Mpn), one of the smallest self-replicating prokaryotes, is known to readily adhere to host cells and to form aggregates in suspension. Having only one cell membrane and no cell wall, mycoplasmas present questions as to optimal aggregate disruption method while minimizing cell death in vitro. We compared conventional vortex mixing with other methods for disruption of bacterial aggregates and for its effect on cell viability. METHODS: Strain UAB PO1, a clinical Mpn isolate, was dispersed using a conventional vortex mixer with or without nonionic detergent (0...
November 17, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27858147/evolution-and-function-of-the-mycoplasma-hyopneumoniae-peroxiredoxin-a-2-cys-like-enzyme-with-a-single-cys-residue
#9
Taylor Gonchoroski, Veridiana G Virginio, Claudia E Thompson, Jéssica A Paes, Cláudio X Machado, Henrique B Ferreira
The minimal genome of the mollicute Mycoplasma hyopneumoniae, the etiological agent of porcine enzootic pneumonia, encodes a limited repertoire of antioxidant enzymes that include a single and atypical peroxiredoxin (MhPrx), whose evolution and function were studied here. MhPrx has only one catalytic cysteine, in contrast with some of its possible ancestors (2-Cys peroxiredoxins), which have two. Although it is more similar to 2-Cys orthologs, MhPrx can still function with a single peroxidatic cysteine (CysP), using non-thiolic electron donors to reduce it...
November 17, 2016: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/27855075/in-vitro-activity-of-lefamulin-and-other-antimicrobial-agents-against-macrolide-susceptible-and-macrolide-resistant-mycoplasma-pneumoniae-from-the-united-states-europe-and-china
#10
Ken B Waites, Donna M Crabb, Lynn B Duffy, Jorgen S Jensen, Yang Liu, Susanne Paukner
Lefamulin, an investigational pleuromutilin, was tested against a collection of 18 macrolide-susceptible and 42 macrolide-resistant Mycoplasma pneumoniae strains in comparison to azithromycin, erythromycin, tetracycline, doxycycline, and moxifloxacin. Lefamulin was highly active against all strains tested, with all MICs ≤ 0.008 μg/ml. The lefamulin MIC90 (0.002 μg/ml) for macrolide-resistant strains was the lowest among all drugs tested. Minimum bactericidal concentrations were within 2 dilutions of the MIC values, indicating a bactericidal effect...
November 14, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27851390/1755-mycoplasma-pneumoniae-requiring-ecmo-case-report-and-review-of-elso-registry-data-and-literature
#11
Catherine Heith, Gwenyth Fischer, Marie Steiner, Janet Hume
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27847518/adult-onset-still-s-disease-associated-with-mycoplasma-pneumoniae-infection-and-hemophagocytic-lymphohistiocytosis
#12
Abhishek Agnihotri, Allison Ruff, Lauren Gotterer, Addie Walker, Amy H McKenney, Andrei Brateanu
Adult Onset Still's Disease (AOSD) is a systemic inflammatory disorder that can be associated with hemophagocytic lymphohistiocytosis (HLH), a rare but potentially fatal disease of overactive histiocytes and lymphocytes. We present a unique case of AOSD complicated by Mycoplasma pneumonia infection and HLH. A 28-year-old female developed joint pains followed by a diffuse, erythematous, pruritic skin rash that quickly spread throughout the body. The patient deteriorated and developed fever, chills, cough, and dyspnea and had to be intubated...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27836006/mycoplasma-pneumoniae-associated-mild-encephalitis-encephalopathy-with-a-reversible-splenial-lesion-report-of-two-pediatric-cases-and-a-comprehensive-literature-review
#13
Norishi Ueda, Satoshi Minami, Manabu Akimoto
BACKGROUND: No literature review exists on Mycoplasma pneumoniae-associated mild encephalitis/encepharopathy with a reversible splenial lesion (MERS). METHODS: M.pneumoniae-associated MERS cases were searched till August 2016 using PubMed/Google for English/other-language publications and Ichushi ( http://www.jamas.or.jp/ ) for Japanese-language publications. Inclusion criteria were children fulfilling definition for encephalitis, M.pneumoniae infection, and neuroimaging showing hyperintensity in the splenium of the corpus callosum (SCC) alone (type I) or SCC/other brain areas (type II)...
November 11, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27833597/comparison-of-mycoplasma-pneumoniae-genome-sequences-from-strains-isolated-from-symptomatic-and-asymptomatic-patients
#14
Emiel B M Spuesens, Rutger W W Brouwer, Kristin H J M Mol, Theo Hoogenboezem, Christel E M Kockx, Ruud Jansen, Wilfred F J Van IJcken, Annemarie M C Van Rossum, Cornelis Vink
Mycoplasma pneumoniae is a common cause of respiratory tract infections (RTIs) in children. We recently demonstrated that this bacterium can be carried asymptomatically in the respiratory tract of children. To identify potential genetic differences between M. pneumoniae strains that are carried asymptomatically and those that cause symptomatic infections, we performed whole-genome sequence analysis of 20 M. pneumoniae strains. The analyzed strains included 3 reference strains, 3 strains isolated from asymptomatic children, 13 strains isolated from clinically well-defined patients suffering from an upper (n = 4) or lower (n = 9) RTI, and one strain isolated from a follow-up patient who recently recovered from an RTI...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27833154/cytokines-as-the-good-predictors-of-refractory-mycoplasma-pneumoniae-pneumonia-in-school-aged-children
#15
Yuanyuan Zhang, Shufen Mei, Yunlian Zhou, Meixia Huang, Guijuan Dong, Zhimin Chen
: Excessive immune response against pathogens may play an important role in refracory Mycoplasma pneumoniae pneumonia (RMPP). The aim of this study was to elucidate the associations between cytokines and the prediction of RMPP in school-aged patients. Retrospective analysis was performed on school-aged children with Mycoplasma pneumoniae pneumonia (MPP) hospitalized in our hospital between January 1, 2011 and December 31, 2015. The clinical charcteristics, including the cytokines in serum between the RMPP group and the general Mycoplasma pneumoniae pneumonia (GMPP) group were compared and the predictive values of RMPP were explored...
November 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27830112/mycoplasma-pneumonia-with-persistent-lymphadenopathy-and-severe-cold-agglutinin-haemolysis
#16
Mit Shah, Sajid Khan, Kenneth Chan
Mycoplasma pneumonia is an atypical pneumonia commonly affecting young patients with generally mild clinical course. We present a case of a 66-year-old female presenting with weight loss, night sweats and low-grade pyrexia. She acquired symptomatic haemolytic anaemia requiring blood transfusion, markedly raised erythrocyte sedimentation rate (ESR) to 114 mm/hr and extensive peri-hilar lymphadenopathy on computed tomography (CT) scan. After excluding malignancy and granulomatous diseases, she made good recovery although a 4 week follow-up CT scan showed persistent but resolving lymphadenopathy...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27821087/comparing-culture-and-molecular-methods-for-the-identification-of-microorganisms-involved-in-necrotizing-soft-tissue-infections
#17
Vibeke Børsholt Rudkjøbing, Trine Rolighed Thomsen, Yijuan Xu, Rachael Melton-Kreft, Azad Ahmed, Steffen Eickhardt, Thomas Bjarnsholt, Steen Seier Poulsen, Per Halkjær Nielsen, Joshua P Earl, Garth D Ehrlich, Claus Moser
BACKGROUND: Necrotizing soft tissue infections (NSTIs) are a group of infections affecting all soft tissues. NSTI involves necrosis of the afflicted tissue and is potentially life threatening due to major and rapid destruction of tissue, which often leads to septic shock and organ failure. The gold standard for identification of pathogens is culture; however molecular methods for identification of microorganisms may provide a more rapid result and may be able to identify additional microorganisms that are not detected by culture...
November 8, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27817771/-association-between-wheezing-and-mycoplasma-pneumoniae-infection-in-infants-and-young-children
#18
Sheng-Hua Qian, Xiao-Hua Wang, Li Zhang
OBJECTIVE: To study the association between wheezing and Mycoplasma pneumoniae (MP) infection in infants and young children. METHODS: A total of 228 hospitalized infants and young children who were diagnosed with lower respiratory tract infection were enrolled and classified into initial wheezing group (n=65), recurrent wheezing group (n=83), and non-wheezing group (n=80). Fasting serum was collected on the day or the second day of admission. ELISA was used to measure MP-IgM, chemiluminescence was used to measure serum total immunoglobulin E (TIgE), and EUROLine was used to measure the common serum allergen specific immunoglobulin E (sIgE)...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27803507/role-of-atypical-bacteria-in-hospitalized-patients-with-nursing-home-acquired-pneumonia
#19
Laura Meyer-Junco
Background: Nursing home-acquired pneumonia (NHAP) has been identified as one of the leading causes of mortality and hospitalization for long-term care residents. However, current and previous pneumonia guidelines differ on the appropriate management of NHAP in hospitalized patients, specifically in regard to the role of atypical bacteria such as Chlamydiae pneumonia, Mycoplasma pneumoniae, and Legionella. Objectives: The purpose of this review is to evaluate clinical trials conducted in hospitalized patients with NHAP to determine the prevalence of atypical bacteria and thus the role for empiric antibiotic coverage of these pathogens in NHAP...
October 2016: Hospital Pharmacy
https://www.readbyqxmd.com/read/27800148/prevalence-and-seasonal-distribution-of-respiratory-viruses-during-the-2014-2015-season-in-istanbul
#20
Safak Goktas, Mumtaz Cem Sirin
BACKGROUND: Acute respiratory tract infection (ARTI) is one of the most common infections worldwide, causing significant morbidity and mortality. OBJECTIVES: This study was conducted to determine the prevalence and seasonal distribution of respiratory viruses in our region, in children and adults with a pre-diagnosis of ARTI. METHODS: A total of 845 nasopharyngeal swab specimens were analyzed with the RespiFinder Smart 22 kit (PathoFinder BV, Netherlands) and the Rotor-Gene 6000 real-time PCR system...
September 2016: Jundishapur Journal of Microbiology
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