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Q fever

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https://www.readbyqxmd.com/read/28231666/-an-outbreak-of-paratyphoid-fever-in-a-county-of-yunnan-province-2010-2011
#1
S K Wang, Z G Wang, X H Zhang, B Yang, Q Wu, B Kan, Y H Zhou, R S Yang, M Y Yan
Objective: To identify the source and to comment on control program regarding an outbreak of paratyphoid A fever in a county, through field studies. Methods: Descriptive epidemiological methods were adopted to describe the epidemiological characteristics of the outbreak, which occurred in Yuanjiang county, Yunan province between 2010-2011, China. Case-control study with environmental investigation was performed to identify related risk factors and pathogens while isolation and susceptibility on the suspected pathogens were conducted...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28217558/the-scid-mouse-model-for-identifying-virulence-determinants-in-coxiella-burnetii
#2
Erin J van Schaik, Elizabeth D Case, Eric Martinez, Matteo Bonazzi, James E Samuel
Coxiella burnetii is an intracellular, zoonotic pathogen that is the causative agent of Q fever. Infection most frequently occurs after inhalation of contaminated aerosols, which can lead to acute, self-limiting febrile illness or more serve chronic infections such as hepatitis or endocarditis. Macrophages are the principal target cells during infection where C. burnetii resides and replicates within a unique phagolysosome-like compartment, the Coxiella-containing vacuole (CCV). The first virulence determinant described as necessary for infection was full-length lipopolysaccarride (LPS); spontaneous rough mutants (phase II) arise after passage in immuno-incompetent hosts...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28209041/-pulmonary-intravascular-large-b-cell-lymphomamanifesting-as-interstitial-pneumonias-report-of-2-cases-and-review-of-literature
#3
T T Zhao, M S Cao, Y W Zhang, J H Dai, F Q Meng, H R Cai
Objective: To investigate the clinical, radiographic characteristics and prognosis of pulmonary intravascular large B-cell lymphoma(IVLBCL) manifesting as interstitial pneumonias on HRCT. Methods: A retrospective analysis was carried out on clinical data of 2 patients with pulmonary IVLBCL admitted to the Affiliated Drum Tower Hospital of Nanjing University from March 2010 to May 2012. A literature research was performed with "pulmonary intravascular lymphoma" as the key word in Wanfang Database, China Knowledge Resource Integrated Database and Pubmed...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28204981/phase-1b-trial-of-proteasome-inhibitor-carfilzomib-with-irinotecan-in-lung-cancer-and-other-irinotecan-sensitive-malignancies-that-have-progressed-on-prior-therapy-onyx-ist-reference-number-car-ist-553
#4
Susanne M Arnold, Kari Chansky, Markos Leggas, Michael A Thompson, John L Villano, John Hamm, Rachel E Sanborn, Glen J Weiss, Gurkamal Chatta, Maria Q Baggstrom
Introduction Proteasome inhibition is an established therapy for many malignancies. Carfilzomib, a novel proteasome inhibitor, was combined with irinotecan to provide a synergistic approach in relapsed, irinotecan-sensitive cancers. Materials and Methods Patients with relapsed irinotecan-sensitive cancers received carfilzomib (Day 1, 2, 8, 9, 15, and 16) at three dose levels (20/27 mg/m2, 20/36 mg/m2 and 20/45 mg/m2/day) in combination with irinotecan (Days 1, 8 and 15) at 125 mg/m2/day. Key eligibility criteria included measurable disease, a Zubrod PS of 0 or 1, and acceptable organ function...
February 16, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28203574/resolution-of-q-fever-associated-cryoglobulinemia-with-anti-cd20-monoclonal-antibody-treatment
#5
Kellie L Hawkins, Edward N Janoff, Robert W Janson
Immunologic phenomena can complicate chronic infections with Coxiella burnetii (Q fever), including immune complex deposition causing vasculitis, neuropathy, and glomerulonephritis. We describe the case of a man with Q fever endocarditis, mixed cryoglobulinemia, and life-threatening vasculitis driven by immune complex deposition who was successfully treated with B cell depleting therapy (rituximab).
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28202038/establishment-of-national-reference-for-bunyavirus-nucleic-acid-detection-kits-for-diagnosis-of-sfts-virus
#6
Xu Lu, Ling Wang, Dongting Bai, Yuhua Li
BACKGROUND: Severe fever with thrombocytopenia syndrome (SFTS) caused by SFTS virus (SFTSV) usually have a high fatality. At present no effective therapy or vaccine are available, so early diagnosis of SFTS is crucial to prevent and control SFTSV infection. This study aimed to establish a national reference for these diagnostic kits of SFTSV genome and make the diagnosis of the disease effective. METHODS: Six SFTSV strains isolated from different regions, and five relative viruses with similar clinical manifestations were selected as positive and negative references and assessed using real time quantitative PCR (q-PCR) using specific primers and probe and two commercial kits...
February 16, 2017: Virology Journal
https://www.readbyqxmd.com/read/28185296/a-report-of-cerebral-malaria-treated-with-automated-red-blood-cell-exchange
#7
Waseem Q Anani, Gerald P Smith, Mehraboon Irani, Kathleen E Puca
BACKGROUND: Adjunctive automated whole blood or red blood cell exchange (RBCEx) can rapidly decrease malarial hyperparasitemia. Several case reports and series suggest improvement in clinical symptomatology; however, recent Centers of Disease Control and Prevention (CDC) recommendations concluded that RBCEx has no efficacy as an adjunctive therapy. We present a case of mental status changes secondary to cerebral malaria treated with automated RBCEx resulting in rapid and dramatic neurologic improvement...
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28179203/involvement-of-matrix-metalloproteinases-in-chronic-q-fever
#8
Anne F M Jansen, Teske Schoffelen, Julien Textoris, Jean Louis Mege, Chantal P Bleeker-Rovers, Hendrik I J Roest, Peter C Wever, Leo A B Joosten, Mihai G Netea, Esther van de Vosse, Marcel van Deuren
OBJECTIVES: Chronic Q fever is a persistent infection with the intracellular Gram-negative bacterium Coxiella burnetii, which can lead to complications of infected aneurysms. Matrix metalloproteinases (MMPs) cleave extracellular matrix and are involved in infections as well as aneurysms. We aimed to study the role of MMPs in the pathogenesis of chronic Q fever. METHODS: We investigated gene expression of MMPs through microarray analysis and MMP production with enzyme-linked immunosorbent assay in C...
February 4, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28176495/serosurvey-of-coxiella-burnetii-q-fever-in-dromedary-camels-camelus-dromedarius-in-laikipia-county-kenya
#9
A S Browne, E M Fèvre, M Kinnaird, D M Muloi, C A Wang, P S Larsen, T O'Brien, S L Deem
Dromedary camels (Camelus dromedarius) are an important protein source for people in semi-arid and arid regions of Africa. In Kenya, camel populations have grown dramatically in the past few decades resulting in the potential for increased disease transmission between humans and camels. An estimated four million Kenyans drink unpasteurized camel milk, which poses a disease risk. We evaluated the seroprevalence of a significant zoonotic pathogen, Coxiella burnetii (Q fever), among 334 camels from nine herds in Laikipia County, Kenya...
February 8, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28169862/quantification-of-acetaminophen-and-its-metabolites-in-plasma-using-uplc-ms-doors-open-to-therapeutic-drug-monitoring-in-special-patient-populations
#10
Robert B Flint, Paola Mian, Bart van der Nagel, Nuria Slijkhuis, Birgit C P Koch
BACKGROUND: Acetaminophen (APAP, paracetamol) is the most commonly used drug for pain and fever in both the United States and Europe and considered safe when used at registered dosages. Nevertheless, differences between specific populations lead to remarkable changes in exposure to potentially toxic metabolites. Furthermore, extended knowledge is required on metabolite formation following intoxication, to optimize antidote treatment. Therefore, the authors aimed to develop and validate a quick and easy analytical method for simultaneous quantification of APAP, APAP-glucuronide, APAP-sulfate, APAP-cysteine, APAP-glutathione, APAP-mercapturate, and protein-derived APAP-cysteine in human plasma by ultra-performance liquid chromatography-electrospray ionization-tandem mass spectrometry (UPLC-MS/MS)...
February 6, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28159179/legionnaire-s-disease-and-its-mimics-a-clinical-perspective
#11
REVIEW
Burke A Cunha, Cheston B Cunha
Whenever the cardinal manifestations of a disorder occur in similar disorders, there is potential for a disease mimic. Legionnaire's disease has protean manifestations and has the potential to mimic or be mimicked by other community acquired pneumonias (CAPs). In CAPs caused by other than Legionella species, the more characteristic features in common with legionnaire's disease the more difficult the diagnostic conundrum. In hospitalized adults with CAP, legionnaire's disease may mimic influenza or other viral pneumonias...
March 2017: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/28155100/posterior-reversible-encephalopathy-syndrome-in-pregnancy-a-retrospective-series-of-36-patients-from-mainland-china
#12
Y Wen, B Yang, Q Huang, Y Liu
BACKGROUND: Posterior reversible encephalopathy syndrome (PRES) is associated with variable predisposing risk factors including preeclampsia and eclampsia since it proposed. However, studies of large case series focusing on pregnancy-related PRES are still limited. We performed a large retrospective study of patients with pregnancy-related PRES admitted to our institution. METHODS: This was a single-center, 2010-2015 retrospective cohort study of patients with pregnancy-related PRES who underwent neuroimaging via magnetic resonance imaging or computerized tomography from mainland China...
February 2, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28130683/early-diagnosis-of-early-onset-sarcoidosis-a-case-report-with-functional-analysis-and-review-of-the-literature
#13
REVIEW
Yusuke Takeuchi, Tomonari Shigemura, Norimoto Kobayashi, Naoe Kaneko, Tomoyuki Iwasaki, Kisei Minami, Keiko Kobayashi, Junya Masumoto, Kazunaga Agematsu
This study examined the pathogenesis of early-onset sarcoidosis (EOS) in a patient with a rare NOD2 mutation and surveyed the literature to identify the hallmark features for early diagnosis. An infant girl suffering from prolonged fever and skin rash of multiple pinkish papules and subsequent erythema nodosum was referred to our institution. Skin biopsy and DNA sequencing were performed along with cytokine profiling of the patient's serum and stimulated mononuclear cells. NF-κB activation was analyzed using transfected cells...
January 27, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28117947/seroprevalence-and-factors-associated-with-coxiella-burnetii-infection-in-small-ruminants-in-baringo-county-kenya
#14
J Muema, S M Thumbi, M Obonyo, S Wanyoike, M Nanyingi, E Osoro, A Bitek, S Karanja
To improve estimates of C. burnetii epidemiology in Kenya, a survey was undertaken in small ruminants in Baringo County, where acute cases of Q fever in humans had been reported in 2014. From 140 household herds selected, 508 (60.5%) goats and 332 (39.5%) sheep were included and an indirect ELISA assay for C. burnetii IgG antibodies performed. In addition, epidemiological information at both herd and animal level was collected. Generalized mixed-effects multivariable logistic model using herd as the random effect was used to determine variables correlated to the outcome...
January 24, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28115661/seroprevalence-of-coxiella-burnetii-antibodies-among-ruminants-and-occupationally-exposed-people-in-thailand-2012-2013
#15
Pawinee Doung-Ngern, Teerasak Chuxnum, Decha Pangjai, Pattarin Opaschaitat, Nattinee Kittiwan, Pranee Rodtian, Noppawan Buameetoop, Gilbert J Kersh, Pawin Padungtod
Little is known about the burden of Q fever in Thailand. We conducted a serological study to describe the prevalence of anti-Coxiella burnetii antibodies among ruminants and occupationally exposed persons in response to the report of the first two Q fever endocarditis patients in Thailand in 2012. We randomly selected ruminant sera from brucellosis surveillance and examined sera of 661 occupationally exposed subjects from two provinces of Thailand: Chiangmai and Nakornratchasima. Animal and human sera were tested using commercial enzyme-linked immunosorbent assay (ELISA)...
January 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28100385/-phylogenetic-analysis-of-envelope-gene-of-dengue-virus-serotype-2-in-guangzhou-2001-2015
#16
Y Liu, L Y Jiang, L Luo, Y M Cao, Q L Jing, Z C Yang
Objective: To investigate the molecular characteristics of dengue virus serotype 2 (DENV2) in Guangzhou during 2001-2015, and analyze the E gene of the strains isolated, the phylogenetic tree and molecular clock were constructed to know about the evolution of the strains. Methods: The serum samples of the patients were detected by real time PCR, and positive samples were used to isolate dengue virus by using C6/36 cells. The E gene of the isolated strains were sequenced. The phylogenetic tree was constructed by using software Mega 4...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28100384/-seasonality-of-clustering-of-fever-and-diarrhea-in-beijing-2009-2015
#17
X T Li, Y W Chen, Z Y He, S Li, Z Y Gao, X He, Q Y Wang
Objective: To understand the seasonal distribution of the clustering of fever and diarrhea. Methods: Concentration degree and circular distribution methods were used to analyze the seasonal distribution of the clustering of fever and diarrhea in Beijing from 2009 to 2015. The information were collected from the Infectious Disease Surveillance Information System of Beijing. Results: The M values of the clustering of fever and diarrhea were 0.57 and 0.47. Circular distribution results showed that the clustering of fever and diarrhea angle dispersion index R values were 0...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28070491/presentation-and-diagnosis-of-acute-q-fever-in-portugal-a-case-series
#18
Joana Alves, Francisco Almeida, Raquel Duro, Rita Ferraz, Susana Silva, Joana Sobrinho-Simões, António Sarmento
Q fever is a worldwide zoonotic infection caused by the obligate intracellular bacterium Coxiella burnetii that can course with acute or chronic disease. This series describes 7 cases of acute Q fever admitted in a Portuguese University Hospital between 2014 and 2015. All cases presented with hepatitis and had epidemiological history. Diagnosis was done by PCR on majority (5) and by serology and PCR in only 2. Serological tests can be negative in the initial period of the disease. Molecular biology methods by polymerase chain-reaction are extremely important in acute disease, allowing timely diagnosis and treatment...
2017: IDCases
https://www.readbyqxmd.com/read/28068185/prevalence-of-antibodies-against-coxiella-burnetii-in-korean-native-cattle-dairy-cattle-and-dogs-in-south-korea
#19
Kwang-Soo Lyoo, Doo Kim, Hyung Gwan Jang, Seung-Joon Lee, Mi Yeoun Park, Tae-Wook Hahn
Coxiella burnetii is a zoonotic agent and causes coxiellosis, which is a cause of reproductive failure in a range of animal species, including abortion and stillbirth and Q fever, which is most often characterized by an acute flu-like illness, mild pneumonia, and/or hepatitis in humans. While livestock are well recognized worldwide as a source of infection, the zoonotic risk of C. burnetii infection in companion animals such as dogs may be overlooked. For serological diagnosis, indirect immunofluorescent assay (IFA) and enzyme-linked immunosorbent assay (ELISA) are generally considered good methods for prevalence surveys of coxiellosis...
January 9, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28057140/-spatial-analysis-and-prediction-of-severe-fever-with-thrombocytopenia-syndrome-in-zhejiang-province-2011-2015
#20
H C Wu, X P Xu, C Wu, Q B Lu, Z Y Ding, J F Lin
Objective: To understand the distribution of the severe fever with thrombocytopenia syndrome (SFTS) in Zhejiang province, and predict the incidence and the probability of SFTS outbreak. Methods: Based on the cases of SFTS from 2011-2015, software ArcGIS 10.0 was used to analyze the spatial distribution, Moran's I and Getis-Ord Gi were used to analyze the spatial autocorrelation. The incidence trend was explored by trend surface analysis, and the prediction was made by Kriging interpolation. Results: The incidence of SFTS increased and the distribution expanded in Zhejiang from 2011 to 2015, the seasonal and the demographic characteristics of SFTS were similar to the previous research; there were regional clustering of the cases (P<0...
November 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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