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https://www.readbyqxmd.com/read/28102830/can-exhaled-volatile-organic-compounds-predict-asthma-exacerbations-in-children
#1
Dillys van Vliet, Agnieszka Smolinska, Quirijn Jöbsis, Jean Muris, Philippe Rosias, Jan Dallinga, Edward Dompeling, Frederik van Schooten
Background Asthma control falls short of current goals of asthma management guidelines. Non-invasive monitoring of airway inflammation may help to improve the level of asthma control in children. Aim 1) To identify a set of exhaled volatile organic compounds (VOCs) that is most predictive for an asthma exacerbation in children. 2) To determine the chemical background of predictive VOCs. Methods In an one-year prospective observational study, 96 asthmatic children were studied . At clinical visits with an interval of 2 months, asthma control, fractional exhaled nitric oxide, lung function (FEV1, FEV1/VC) and VOCs in exhaled breath were determined by means of gas chromatography time-of-flight mass spectrometry...
January 19, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28099107/case-238-spontaneous-pneumothorax-secondary-to-intrapulmonary-necrobiotic-rheumatoid-nodule
#2
Ammar A Chaudhry, Maryam Gul, Abbas A Chaudhry, William Moore
History A 54-year-old white woman with a history of rheumatoid arthritis who was taking glucocorticoids and methotrexate presented to the emergency department in December with worsening shortness of breath and chest heaviness for 1 week. She reported additional symptoms of weakness, headache, and arthralgia primarily involving her bilateral hands, wrist, ankles, and feet. She denied experiencing fevers, syncope or presyncope, focal neurologic deficits, chest pain, nausea, vomiting, unintentional weight loss, or recent trauma...
February 2017: Radiology
https://www.readbyqxmd.com/read/28096689/influence-of-exercise-on-visceral-pain-an-explorative-study-in-healthy-volunteers
#3
Laura Jgm van Weerdenburg, Christina Brock, Asbjørn Mohr Drewes, Harry van Goor, Marjan de Vries, Oliver Hg Wilder-Smith
BACKGROUND AND OBJECTIVES: Contradictory results have been found about the effect of different exercise modalities on pain. The aim of this study was to investigate the early effects of aerobic and isometric exercise on different types of experimental pain, including visceral pain, compared to an active control condition. METHODS: Fifteen healthy subjects (6 women, mean [standard deviation] age 25 [6.5] years) completed 3 interventions consisting of 20 minutes of aerobic cycling, 12 minutes of isometric knee extension and a deep breathing procedure as active control...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28096514/tonsillectomy-for-obstructive-sleep-disordered-breathing-a-meta-analysis
#4
REVIEW
Sivakumar Chinnadurai, Atia K Jordan, Nila A Sathe, Christopher Fonnesbeck, Melissa L McPheeters, David O Francis
CONTEXT: The effectiveness of tonsillectomy or adenotonsillectomy (hereafter, "tonsillectomy") for obstructive sleep-disordered breathing (OSDB) compared with watchful waiting with supportive care is poorly understood. OBJECTIVE: To compare sleep, cognitive or behavioral, and health outcomes of tonsillectomy versus watchful waiting with supportive care in children with OSDB. DATA SOURCES: Medline, Embase, and the Cochrane Library. STUDY SELECTION: Two investigators independently screened studies against predetermined criteria...
January 17, 2017: Pediatrics
https://www.readbyqxmd.com/read/28095872/an-unusual-combined-thymic-carcinoma-composed-of-squamous-cell-carcinoma-and-type-ab-thymoma-a-rare-case-report
#5
Yufeng Jiang, Yang Liu, Xiuying Shi, Xiaoyun Mao, Yang Zhao, Chuifeng Fan
BACKGROUND: Combined thymic carcinoma is a malignant neoplasm of the thymus recently added to the 4th edition of the World Health Organization (WHO) classification of tumors of the lung, pleura, thymus and heart. It involves at least one type of thymic carcinoma and another thymic epithelial tumor. The previously used term "combined thymic epithelial tumor" has been abandoned. CASE PRESENTATION: Here, we present an unusual case of combined thymic carcinoma of the thymus in a 44-year-old male who had suffered from fever, chest pain, chest tightness and shortness of breath...
January 17, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28088193/invasive-cardiac-lipoma-a-case-report-and-review-of-literature
#6
Jason D'Souza, Rajesh Shah, Aamer Abbass, Jeremy R Burt, Aditya Goud, Chanukya Dahagam
BACKGROUND: Cardiac lipomas are rare benign tumors of the heart. They are usually asymptomatic and are thus most often diagnosed on autopsies. Symptoms, when present, depend upon the location within the heart. Typical locations are the endocardium of the right atrium and the left ventricle. Diagnostic modality of choice is cardiac MRI. Treatment guidelines have not yet been established due to the very low prevalence of these tumors and are thus guided by the patient's symptomatology. CASE PRESENTATION: We describe a case of an invasive cardiac lipoma, wherein the initial symptom of the patient was shortness of breath...
January 14, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28087381/prevalence-risk-factors-and-clinical-outcomes-of-atopic-and-nonatopic-asthma-among-rural-children
#7
Joshua A Lawson, Luan M Chu, Donna C Rennie, Louise Hagel, Chandima P Karunanayake, Punam Pahwa, James A Dosman
BACKGROUND: Because of time and cost constraints, objective classification of atopic and nonatopic asthma has been limited in large epidemiologic studies. However, as we try to better understand exposure-outcome associations and ensure appropriate treatment of asthma, it is important to focus on phenotype-defined asthma classification. OBJECTIVE: To compare atopic and nonatopic asthma in rural children with regard to risk factors and clinical outcomes. METHODS: We conducted a cross-sectional study in rural Saskatchewan, Canada, in 2011...
January 10, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28077904/regadenoson-in-myocardial-perfusion-study-first-institutional-experiences-in-bosnia-and-herzegovina
#8
Nermina Beslic, Renata Milardovic, Amera Sadija, Sejla Ceric, Zeljka Raic
INTRODUCTION: Myocardial perfusion imaging (MPI) is widely used in the evaluation of known and suspected coronary artery disease (CAD). Imaging of heart in stress and rest enables the comparison of myocardial uptake of radiotracer in proportion to the needs and coronary flow, which is used for detection of perfusion defects. Exercise stress and pharmacologic agents are used for the stressing purpose. Novel pharmacologic stressor regadenoson is A2A selective adenosine agonist, which selectively binds to the adenosine receptors in coronary arteries causing coronary dilatation...
December 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28075500/very-short-short-term-benefit-of-inpatient-outpatient-cardiac-rehabilitation-programs-after-coronary-artery-bypass-grafting-surgery
#9
Dejan Spiroski, Mojsije Andjić, Olivera Ilić Stojanović, Milica Lazović, Ana Djordjević Dikić, Miodrag Ostojić, Branko Beleslin, Snežana Kostić, Marija Zdravković, Dragan Lović
BACKGROUND: Exercise-based rehabilitation is an important part of treatment patients following coronary artery bypass graft (CABG) surgery. HYPOTHESIS: To evaluate effect of very short/short-term exercise training on cardiopulmonary exercise testing (CPET) parameters. METHODS: We studied 54 consecutive patients with myocardial infarction (MI) treated with CABG surgery referred for rehabilitation. The study population consisted of 50 men and 4 women (age 57...
January 11, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28073871/benign-cystic-mediastinal-teratoma-presenting-as-a-massive-pleural-effusion-in-a-17-year-old-boy
#10
Annalisa Montebello, Adrian Mizzi, Paul John Cassar, Karen Cassar
Mediastinal teratomas are a rare, albeit an important differential diagnosis of anterior/middle mediastinal masses in young adults and various atypical presentations have been reported. The authors report a case of a 17-year-old boy who presented with a 2-month history of worsening shortness of breath and pleuritic chest pain. A massive left-sided pleural fluid collection was seen on a chest radiograph (CXR). The pleural fluid was drained and a CT Thorax confirmed the presence of a cystic mass. Following re-accumulation of the fluid, thoracotomy was performed and a benign mediastinal teratoma excised...
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28065694/real-time-cardiac-magnetic-resonance-cine-imaging-with-sparse-sampling-and-iterative-reconstruction-for-left-ventricular-measures-comparison-with-gold-standard-segmented-steady-state-free-precession
#11
Gabriel C Camargo, Fernanda Erthal, Leticia Sabioni, Filipe Penna, Ralph Strecker, Michaela Schmidt, Michael O Zenge, Ronaldo de S L Lima, Ilan Gottlieb
BACKGROUND: Segmented cine imaging with a steady-state free-precession sequence (Cine-SSFP) is currently the gold standard technique for measuring ventricular volumes and mass, but due to multi breath-hold (BH) requirements, it is prone to misalignment of consecutive slices, time consuming and dependent on respiratory capacity. Real-time cine avoids those limitations, but poor spatial and temporal resolution of conventional sequences has prevented its routine application. We sought to examine the accuracy and feasibility of a newly developed real-time sequence with aggressive under-sampling of k-space using sparse sampling and iterative reconstruction (Cine-RT)...
January 6, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28065254/pulmonary-eosinophilia-from-inhaled-colistin
#12
Pierre-Alexis Lépine, Alain Dumas, Louis-Philippe Boulet
We report the case of a patient with a history of chronic bronchiectasis that presented with new onset fatigue, shortness of breath, peripheral blood eosinophilia and infiltrates on chest radiograph. Eight days previously, she was prescribed inhaled colistimethate sodium 75 mg bid to prevent exacerbations of her respiratory condition. To our knowledge, our case is the first to show the clinical and radiologic features of inhaled-colistimethate-induced pulmonary eosinophilia. It also shows the rapid resolution of its features following treatment with oral corticosteroids...
January 2017: Chest
https://www.readbyqxmd.com/read/28063043/subcutaneous-and-sublingual-immunotherapy-in-a-mouse-model-of-allergic-asthma
#13
Laura Hesse, Martijn C Nawijn
Allergic asthma, caused by inhaled allergens such as house dust mite or grass pollen, is characterized by reversible airway obstruction, associated with an eosinophilic inflammation of the airways, as well as airway hyper responsiveness and remodeling. The inhaled allergens trigger a type-2 inflammatory response with involvement of innate lymphoid cells (ILC2) and Th2 cells, resulting in high production of immunoglobulin E (IgE) antibodies. Consequently, renewed allergen exposure results in a classic allergic response with a distinct early and late phase, both resulting in bronchoconstriction and shortness of breath...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28061897/bacteria-endocarditis-consolidation-with-vertebra-bone-tuberculosis-a-case-report
#14
Yan Liu, Xiaoming Wang, Zhibin Wang, Yongsheng Zhu, Liying Zhang, Xiaoli Li, Rong Xu, Wei Ge
BACKGROUND: The clinical features of bacteria endocarditis became atypical when consolidated with other conditions such as tuberculosis (TB). Especially, the symptoms of bacteria endocarditis (BE) which were hidden behind the TB fever often lead to misdiagnosis and missed diagnosis. CASE PRESENTATION: A 56-year-old male with thoracic vertebra bone TB history presented with low-grade fever, shortness of breath and cardiac souffle. After conventional antibiotic therapy and strengthen anti-tuberculosis treatment condition did not be improved...
January 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28058956/neuromuscular-blockade-and-inspiratory-breath-hold-during-stereotactic-body-radiation-therapy-for-treatment-of-heart-base-tumors-in-four-dogs
#15
Krista L Kelsey, Lyndsay N Kubicek, Nicholas J Bacon, Terry Torres, Sheilah A Robertson
CASE DESCRIPTION 4 dogs were examined because of pleural effusion and ventricular tachycardia, coughing and supraventricular tachycardia, appendicular osteosarcoma, and syncopal episodes. CLINICAL FINDINGS In all 4 dogs, a heart base tumor was identified by means of thoracic CT. TREATMENT AND OUTCOME In all 4 dogs, the heart base tumors were treated by means of stereotactic body radiation therapy. Dogs were anesthetized, and neuromuscular blockade was achieved with atracurium or vecuronium. A circle rebreathing system with 15 m (50 feet) of anesthetic tubing coursing through the vault wall was used to connect the patient to the anesthesia machine, which was located in the control room...
January 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28057815/susceptibility-to-high-altitude-pulmonary-edema-is-associated-with-a-more-uniform-distribution-of-regional-specific-ventilation
#16
Michael D Patz, Rui Carlos Sá, Chantal Darquenne, Ann R Elliott, Amran K Assadi, Rebecca J Theilmann, David J Dubowitz, Erik Richard Swenson, Gordon Kim Prisk, Susan Roberta Hopkins
High altitude pulmonary edema (HAPE) is a potentially fatal condition affecting high altitude sojourners. The biggest predictor of HAPE development is a history of prior HAPE. Magnetic resonance imaging (MRI) shows HAPE-susceptible, with a history of HAPE, but not HAPE-resistant (a history of repeated ascents without illness) individuals develop greater heterogeneity of regional pulmonary perfusion breathing hypoxic gas (O2=12.5%), consistent with uneven hypoxic pulmonary vasoconstriction (HPV). Why HPV is uneven in HAPE-susceptibles is unknown, but may arise from regionally heterogeneous ventilation resulting in an uneven stimulus to HPV...
January 5, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28056866/case-report-whole-exome-sequencing-of-primary-cardiac-angiosarcoma-highlights-potential-for-targeted-therapies
#17
Leah Zhrebker, Irene Cherni, Lara M Gross, Margaret M Hinshelwood, Merrick Reese, Jessica Aldrich, Joseph M Guileyardo, William C Roberts, David Craig, Daniel D Von Hoff, Robert G Mennel, John D Carpten
BACKGROUND: Primary cardiac angiosarcomas are rare, but they are the most aggressive type of primary cardiac neoplasms. When patients do present, it is with advanced pulmonary and/or cardiac symptoms. Therefore, many times the correct diagnosis is not made at the time of initial presentation. These patients have metastatic disease and the vast majority of these patients die within a few months after diagnosis. Currently the treatment choices are limited and there are no targeted therapies available...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28056850/outbreak-of-middle-east-respiratory-syndrome-coronavirus-in-saudi-arabia-a-retrospective-study
#18
Fadilah Sfouq Aleanizy, Nahla Mohmed, Fulwah Y Alqahtani, Rania Ali El Hadi Mohamed
BACKGROUND: The Middle East respiratory syndrome (MERS) is proposed to be a zoonotic disease. Dromedary camels have been implicated due to reports that some confirmed cases were exposed to camels. Risk factors for MERS coronavirus (MERS-CoV) infections in humans are incompletely understood. This study aimed to describe the demographic characteristics, mortality rate, clinical manifestations and comorbidities with confirmed cases of MERS-CoV. METHODS: Retrospective chart review were performed to identify all laboratory-confirmed cases of MERS-CoV in Saudi Arabia who reported to the Ministry of Health (MOH) of Saudi Arabia and WHO between April 23, 2014 and August 31, 2015...
January 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28049547/palliative-care-during-the-final-week-of-life-of-older-people-in-nursing-homes-a-register-based-study
#19
Jonas Smedbäck, Joakim Öhlén, Kristofer Årestedt, Anette Alvariza, Carl-Johan Fürst, Cecilia Håkanson
OBJECTIVE: Our aim was to explore the presence of symptoms, symptom relief, and other key aspects of palliative care during the final week of life among older people residing in nursing homes. METHOD: Our study employed data from the Swedish Palliative Care Register on all registered individuals aged 60 and older who had died in nursing homes during the years 2011 and 2012. Variables pertaining to monitoring and treatment of symptoms, end-of-life discussions, circumstances around the death, and the individual characteristics of deceased individuals were explored using descriptive statistics...
January 4, 2017: Palliative & Supportive Care
https://www.readbyqxmd.com/read/28048600/su-f-t-514-evaluation-of-the-accuracy-of-free-breathing-and-deep-inspiration-breath-hold-gated-beam-delivery-using-an-elekta-linac
#20
M Jermoumi, R Xie, D Cao, D Housley, D Shepard
PURPOSE: In this study, we evaluated the performance of an Elekta linac in the delivery of gated radiotherapy. We examined whether the use of either a short gating window or a long beam hold impacts the accuracy of the delivery METHODS: The performance of an Elekta linac in the delivery of gated radiotherapy was assessed using a 20cmX 20cm open field with the radiation delivered using a range of beam-on and beam-off time periods. Two SBRT plans were used to examine the accuracy of gated beam delivery for clinical treatment plans...
June 2016: Medical Physics
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