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https://www.readbyqxmd.com/read/29091937/phenome-wide-association-study-using-research-participants-self-reported-data-provides-insight-into-the-th17-and-il-17-pathway
#1
Margaret G Ehm, Jennifer L Aponte, Mathias N Chiano, Laura M Yerges-Armstrong, Toby Johnson, Jonathan N Barker, Suzanne F Cook, Akanksha Gupta, David A Hinds, Li Li, Matthew R Nelson, Michael A Simpson, Chao Tian, Linda C McCarthy, Deepak K Rajpal, Dawn M Waterworth
A phenome-wide association study of variants in genes in the Th17 and IL-17 pathway was performed using self-reported phenotypes and genetic data from 521,000 research participants of 23andMe. Results replicated known associations with similar effect sizes for autoimmune traits illustrating self-reported traits can be a surrogate for clinically assessed conditions. Novel associations controlling for a false discovery rate of 5% included the association of the variant encoding p.Ile684Ser in TYK2 with increased risk of tonsillectomy, strep throat occurrences and teen acne, the variant encoding p...
2017: PloS One
https://www.readbyqxmd.com/read/29045629/signs-and-symptoms-of-group-a-versus-non-group-a-strep-throat-a-meta-analysis
#2
Thuy N Thai, Ariella P Dale, Mark H Ebell
Introduction: Both non-Group A streptococcal (non-GAS) pharyngitis and Group A streptococcal (GAS) pharyngitis are commonly found in patients with sore throat. It is not known whether or not they present with similar signs and symptoms compared to patients with non-streptococcal pharyngitis. Methods: MEDLINE was searched for prospective studies that reported throat culture for both GAS and non-GAS as a reference standard, and reported at least one sign, symptom, or the Centor score...
October 13, 2017: Family Practice
https://www.readbyqxmd.com/read/28928442/genome-wide-association-and-hla-region-fine-mapping-studies-identify-susceptibility-loci-for-multiple-common-infections
#3
Chao Tian, Bethann S Hromatka, Amy K Kiefer, Nicholas Eriksson, Suzanne M Noble, Joyce Y Tung, David A Hinds
Infectious diseases have a profound impact on our health and many studies suggest that host genetics play a major role in the pathogenesis of most of them. We perform 23 genome-wide association studies for common infections and infection-associated procedures, including chickenpox, shingles, cold sores, mononucleosis, mumps, hepatitis B, plantar warts, positive tuberculosis test results, strep throat, scarlet fever, pneumonia, bacterial meningitis, yeast infections, urinary tract infections, tonsillectomy, childhood ear infections, myringotomy, measles, hepatitis A, rheumatic fever, common colds, rubella and chronic sinus infection, in over 200,000 individuals of European ancestry...
September 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28869231/how-a-mild-influenza-b-infection-can-kill-a-case-of-pulmonary-hemorrhage
#4
Nathalie Abi Hatem, Sabrina Campbell, Deepa Kuchelan, Jennifer Bowers, Edmundo Rubio
Viral influenza is a seasonal infection associated with significant morbidity and mortality. Rapidly fatal hemorrhagic pneumonia has been described in previously healthy individuals with β-hemolytic Streptococcus pneumoniae in a small series of patients, but it is not common in patients coinfected with influenza B and β-hemolytic Streptococcus, particularly since influenza B is considered less pathogenic than influenza A. However, despite being uncommon, this coinfection seems to be associated with high morbidity and mortality, particularly in healthy individuals...
September 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28859019/age-specific-antibiotic-prescribing-and-adherence-to-guidelines-in-pediatric-patients-in-primary-care
#5
Verica Ivanovska, Karin Hek, Aukje K Mantel-Teeuwisse, Hubert G M Leufkens, Liset van Dijk
BACKGROUND: Most antibiotics in children are used to treat viral and self-limiting conditions. This study aims to compare physicians' adherence to guidelines on antibiotic prescribing in fever and in ear and respiratory infections to children in different age groups in the Netherlands. METHODS: Data were used from the NIVEL Primary Care Database. For all pediatric episodes of fever, acute otitis media (AOM), streptococcal pharyngitis (strep throat), sinusitis, acute tonsillitis, acute bronchitis/bronchiolitis and pneumonia in 2012, we determined whether national guidelines were followed in regard to whether an antibiotic was prescribed, and the type of antibiotic...
August 28, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28740426/efficacy-of-flurbiprofen-8-75-mg-delivered-as-a-spray-or-lozenge-in-patients-with-sore-throat-due-to-upper-respiratory-tract-infection-a-randomized-non-inferiority-trial-in-the-russian-federation
#6
Eugenia Radkova, Natalia Burova, Valeria Bychkova, Robert DeVito
OBJECTIVE: To assess the efficacy of flurbiprofen 8.75 mg delivered as a spray or lozenge in patients with sore throat due to upper respiratory tract infection (URTI). MATERIALS AND METHODS: This multicenter, double-blind, double-dummy, non-inferiority study randomized 440 adults with recent-onset, moderate-to-severe sore throat due to URTI to a single dose of either flurbiprofen 8.75 mg spray (n=218) or flurbiprofen 8.75 mg lozenge (n=222). The presence or absence of beta-hemolytic streptococci (A or C) was confirmed by culture tests (throat swab)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28562551/final-diagnoses-and-probability-of-new-reason-for-encounter-at-an-urban-clinic-in-japan-a-4-year-observational-study
#7
Motoharu Fukushi, Yukishige Ishibashi, Naoki Nago
Past clinical data are not currently used to calculate pretest probabilities, as they have not been put into a database in clinical settings. This observational study was designed to determine the initial reasons for utilizing home visits or visits to an outpatient urban clinic in Japan.All family medical clinic outpatients and patients visited by the clinic (total = 11,688) over 1460 days were enrolled.We used a Bayes theorem-based clinical decision support system to analyze codes for initial reason-for-encounter (examination and final diagnosis: pretest probability) and final diagnosis of patients with fever (conditional pretest probability)...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28430992/identifying-practice-related-factors-for-high-volume-prescribers-of-antibiotics-in-danish-general-practice
#8
Rune Aabenhus, Volkert Siersma, Håkon Sandholdt, Rasmus Køster-Rasmussen, Malene Plejdrup Hansen, Lars Bjerrum
Objectives: In Denmark, general practice is responsible for 75% of antibiotic prescribing in the primary care sector. We aimed to identify practice-related factors associated with high prescribers, including prescribers of critically important antibiotics as defined by WHO, after accounting for case mix by practice. Methods: We performed a nationwide register-based survey of antibiotic prescribing in Danish general practice from 2012 to 2013. The unit of analysis was the individual practice...
August 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28429165/the-use-of-rapid-test-quikread-go%C3%A2-strep-a-in-bacterial-pharyngotonsillitis-diagnosing-and-therapeutic-decisions
#9
E Stefaniuk, K Bosacka, M Wanke-Rytt, W Hryniewicz
Group A Streptococci (GAS) are the main causative agents of bacterial pharyngitis, which require antibiotic therapy. Rapid diagnostic tests detecting GAS combined with Centor/McIsaac score enable accurate differential diagnosis (viral vs. bacterial) and prompt commencement of targeted treatment. The aim of this study was to assess the specificity, sensitivity, PPV and NPV of QuikRead go® Strep A (Orion Diagnostica Oy, Finland) recommended for the detection of GAS in pharyngeal swabs. Quick diagnostic test results were compared with physical examination findings, Centor/McIsaac score and results of reference testing (conventional microbial cultures)...
October 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28288328/case-control-exploratory-study-of-cerebrospinal-fluid-chemokines-cytokines-and-lymphocyte-subsets-in-childhood-tourette-syndrome-with-positive-streptococcal-markers
#10
Michael R Pranzatelli, Elizabeth D Tate, Tyler J Allison
A longstanding question is whether neuroinflammation is present in children symptomatic for Tourette syndrome (TS) with positive streptococcal serology and throat cultures. The objective was to directly test for it using modern hypothesis-driven approaches. Profiling studies for 14 immune cell types (flow cytometry), 7 chemokines/cytokines (ELISA), oligoclonal bands, and other immunoglobulins were performed in this IRB-approved study of 5 children with TS and streptococcal markers compared to data from 26 non-inflammatory pediatric neurological controls...
March 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28283012/-evaluation-of-mascia-brunelli-rapid-antigen-test-in-the-diagnosis-of-group-a-streptococcal-pharyngitis
#11
Ayşe Barış, Nur Anlıaçık, Mehmet Emin Bulut, Rıdvan Deniz, Elif Yücel, Elif Aktaş
Pharyngitis in most cases is due to viral microorganisms however drug therapy without the detection of etiological agent leads to unnecessary use of antibiotics. On the other hand, when the etiologic agent is group A beta-hemolytic streptococci (GAS) it is important to identify the etiologic agent rapidly which will guide the treatment with appropriate antibiotics. The use of highly sensitive rapid tests will contribute significantly to early diagnosis and appropriate therapy. The aim of this study is to evaluate the efficacy of Mascia Brunelli rapid antigen test for the detection of GAS in throat swab samples...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28138890/adult-atopic-dermatitis-with-comorbid-atopic-disease-is-associated-with-increased-risk-of-infections-a-population-based-cross-sectional-study
#12
Saisindhu Narala, Tissa R Hata
INTRODUCTION: Atopic dermatitis (AD) is related to other atopic diseases asthma and allergic rhinitis. It is known that those with asthma or allergic rhinitis have impaired immune responses that may predispose them to infections. This study sought to determine whether adult AD is associated with systemic infections, and whether association is strengthened in those with AD plus another atopic disease. METHODS: This cross-sectional study obtained information from adults in the 2010 and the 2012 National Health Interview Survey (NHIS)...
March 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28006981/accurate-detection-of-streptococcus-pyogenes-at-the-point-of-care-using-the-cobas-liat-strep-a-nucleic-acid-test
#13
MULTICENTER STUDY
Fangnian Wang, Yu Tian, Lingjun Chen, Robert Luo, Joanna Sickler, Oliver Liesenfeld, Shuqi Chen
The performance of a polymerase chain reaction-based point-of-care assay, the cobas Strep A Nucleic Acid Test for use on the cobas Liat System (cobas Liat Strep A assay), for the detection of group A Streptococcus bacteria was evaluated in primary care settings. Throat swab specimens from 427 patients were tested with the cobas Liat Strep A assay and a rapid antigen detection test (RADT) by existing medical staff at 5 primary care clinics, and results were compared with bacterial culture. The cobas Liat Strep A assay demonstrated equivalent sensitivity (97...
October 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/27867675/a-case-of-thyroid-storm-associated-with-cardiomyopathy-and-poststreptococcal-glomerulonephritis
#14
Lisa J Underland, Gerson A Vallencia Villeda, Abhijeet Pal, Leslie Lam
Thyroid storm has a high mortality rate and is often associated with a precipitating factor such as intercurrent illness or infection. It is rare in pediatric patients. Cardiac disease in hyperthyroidism mostly manifests itself as tachycardia but more serious cardiac findings have also been described. A 5-year-old male with recent strep throat infection presented with dilated cardiomyopathy, hematuria, and symptoms and lab findings consistent with severe hyperthyroidism. He was diagnosed with thyroid storm secondary to concurrent Graves' disease and poststreptococcal glomerulonephritis (PSGN)...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27493985/a-study-to-determine-if-addition-of-palatal-petechiae-to-centor-criteria-adds-more-significance-to-clinical-diagnosis-of-acute-strep-pharyngitis-in-children
#15
Kumara V Nibhanipudi
Objective. A study to determine if addition of palatal petechiae to Centor criteria adds more value for clinical diagnosis of acute strep pharyngitis in children. Hypothesis. In children, Centor Criteria does not cover all the symptoms and signs of acute strep pharyngitis. We hypothesize that addition of palatal petechiae to Centor Criteria will increase the possibility of clinical diagnosis of group A streptococcal pharyngitis in children. Methods. One hundred patients with a complaint of sore throat were enrolled in the study...
2016: Global Pediatric Health
https://www.readbyqxmd.com/read/27386730/strep-throat
#16
(no author information available yet)
No abstract text is available yet for this article.
July 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27374000/rapid-antigen-detection-test-for-group-a-streptococcus-in-children-with-pharyngitis
#17
REVIEW
Jérémie F Cohen, Nathalie Bertille, Robert Cohen, Martin Chalumeau
BACKGROUND: Group A streptococcus (GAS) accounts for 20% to 40% of cases of pharyngitis in children; the remaining cases are caused by viruses. Compared with throat culture, rapid antigen detection tests (RADTs) offer diagnosis at the point of care (within five to 10 minutes). OBJECTIVES: To determine the diagnostic accuracy of RADTs for diagnosing GAS in children with pharyngitis. To assess the relative diagnostic accuracy of the two major types of RADTs (enzyme immunoassays (EIA) and optical immunoassays (OIA)) by indirect and direct comparison...
July 4, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27313096/who-really-gets-strep-sore-throat-confounding-and-effect-modification-of-a-time-varying-exposure-on-recurrent-events
#18
Dean Follmann, Chiung-Yu Huang, Erin Gabriel
Unmeasured confounding is the fundamental obstacle to drawing causal conclusions about the impact of an intervention from observational data. Typically, covariates are measured to eliminate or ameliorate confounding, but they may be insufficient or unavailable. In the special setting where a transient intervention or exposure varies over time within each individual and confounding is time constant, a different tack is possible. The key idea is to condition on either the overall outcome or the proportion of time in the intervention...
October 30, 2016: Statistics in Medicine
https://www.readbyqxmd.com/read/27312939/streptococcus-pyogenes-adhesion-and-colonization
#19
REVIEW
Stephan Brouwer, Timothy C Barnett, Tania Rivera-Hernandez, Manfred Rohde, Mark J Walker
Streptococcus pyogenes (group A Streptococcus, GAS) is a human-adapted pathogen responsible for a wide spectrum of disease. GAS can cause relatively mild illnesses, such as strep throat or impetigo, and less frequent but severe life-threatening diseases such as necrotizing fasciitis and streptococcal toxic shock syndrome. GAS is an important public health problem causing significant morbidity and mortality worldwide. The main route of GAS transmission between humans is through close or direct physical contact, and particularly via respiratory droplets...
November 2016: FEBS Letters
https://www.readbyqxmd.com/read/27170794/use-of-point-of-care-tests-pocts-by-us-primary-care-physicians
#20
Augustine J Sohn, John M Hickner, Fasika Alem
OBJECTIVE: Point-of-care testing (POCT) has been used in the United States for several decades to diagnose and monitor acute and chronic medical conditions. The aim of this study is to assess the use of POCT and perceived benefits of and concerns regarding POCT among US family physicians. METHODS: A total of 405 US family physicians responded to an electronic survey about their use of POCT for diagnosing and monitoring illnesses and for reducing referrals for specialty care...
May 2016: Journal of the American Board of Family Medicine: JABFM
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