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Respiratory assessment

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https://www.readbyqxmd.com/read/29145259/impulse-oscillometry-system-as-an-alternative-diagnostic-method-for-chronic-obstructive-pulmonary-disease
#1
Xia Wei, Zhihong Shi, Yajuan Cui, Jiuyun Mi, Zhengquan Ma, Jingting Ren, Jie Li, Shudi Xu, Youmin Guo
We aimed to compare impulse oscillation system (IOS) and traditional pulmonary function tests (PFTs) for the assessment of the severity of chronic obstructive pulmonary disease (COPD), and to assess the use of IOS parameters to identify patients who were forced expiratory volume in 1 second (FEV1)%pred < 50%.Patients with COPD (n = 215) were enrolled at the Ninth Hospital of Xi'an Affiliated Hospital of Xi'an Jiaotong University between October 2014 and September 2016. All patients were assessed by traditional PFT and IOS...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145141/characterizing-pollutant-emissions-from-mosquito-repellents-incenses-and-implications-in-risk-assessment-of-human-health
#2
Lina Wang, Xinran Zheng, Svetlana Stevanovic, Zhiyuan Xiang, Jing Liu, Huiwen Shi, Jing Liu, Mingzhou Yu, Chun Zhu
Mosquito-repellent incense is one of the most popular products used for dispelling mosquitos during summer in China. It releases large amounts of particulate and gaseous pollutants which constitute a potential hazard to human health. We conducted chamber experiment to characterize major pollutants from three types of mosquito-repellent incenses, further assessed the size-fractionated deposition in human respiratory system, and evaluated the indoor removing efficiency by fresh air. Results showed that the released pollutant concentrations were greater than permissible levels in regulations in GB3095-2012, as well as suggested by the World Health Organization (WHO)...
October 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/29145053/elucidating-the-urban-levels-sources-and-health-risks-of-polycyclic-aromatic-hydrocarbons-pahs-in-pakistan-implications-for-changing-energy-demand
#3
Naima Hamid, Jabir Hussain Syed, Muhammad Junaid, Adeel Mahmood, Jun Li, Gan Zhang, Riffat Naseem Malik
Due to the severe fuel crisis in terms of natural gas, a paradigm shift in fuel combustion (diesel, gasoline, and biomass) may increase the atmospheric emissions and associated health risks in Pakistan. Present study was aimed to investigate the concentration of fugitive PAHs in the environment (outdoor and indoor settings), associated probabilistic health risk assessment in the exposed population, and possible linkage between fuel consumption patterns and PAHs emissions in twin cities (Rawalpindi and Islamabad) of Pakistan...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29144416/environmental-risks-associated-with-symptoms-of-acute-respiratory-infection-among-preschool-children-in-north-western-and-south-southern-nigeria-communities
#4
Oluwafunmilade A Adesanya, Chi Chiao
The exposure-disease-stress model places young children in their physical and social contexts and considers the extent and intensity of associational links to symptoms of acute respiratory infection (ARI), taking in to account a range of biological, social, and environment components. This study uses the 2013 Nigeria Demographic and Health Survey to assess the individual and environmental risks present in the North-Western and South-Southern Nigerian communities and examines their associations with ARI symptoms...
November 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29144160/high-flow-nasal-cannula-oxygen-in-adults-an-evidence-based-assessment
#5
Matthew G Drake
High flow nasal cannula oxygenation has distinct advantages over other oxygen devices due to its unique effects on respiratory physiology. In particular, adjustable oxygen delivery and flow-dependent carbon dioxide clearance from the upper airway reduce work of breathing and can better match inspiratory demand during respiratory distress. Historically, few studies had evaluated whether the physiologic effects of these devices translated into clinical benefit. However, recent publications have begun to address this knowledge gap...
November 16, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29144026/heart-rate-variability-and-implication-for-sport-concussion
#6
REVIEW
Scott A Bishop, Ryan T Dech, Przemyslaw Guzik, J Patrick Neary
Finding sensitive and specific markers for sports-related concussion is both challenging and clinically important. Such biomarkers might be helpful in the management of patients with concussion (i.e. diagnosis, monitoring and risk prediction). Among many parameters, blood flow-pressure metrics and heart rate variability (HRV) have been used to gauge concussion outcomes. Reports on the relation between HRV and both acute and prolonged concussion recovery are conflicting. While some authors report on differences in the low-frequency (LF) component of HRV during postural manipulations and postexercise conditions, others observe no significant differences in various HRV measures...
November 16, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29143659/effect-of-heartworm-disease-and-heartworm-associated-respiratory-disease-hard-on-the-right-ventricle-of-cats
#7
Randolph L Winter, A Ray Dillon, Russell C Cattley, Byron L Blagburn, D Michael Tillson, Calvin M Johnson, William R Brawner, Elizabeth G Welles, Sharon Barney
BACKGROUND: Dirofilaria immitis infection occurs in dogs and cats, both of which species are clinically affected by mature adult infections. Cats are uniquely affected by immature-adult infections with an inflammatory pulmonary disease called Heartworm-Associated Respiratory Disease (HARD). D. immitis infection causes pulmonary parenchymal and vascular pathology in the dog and cat. Dogs develop pulmonary hypertension and cor pulmonale, whereas the development of pulmonary hypertension is rare in the cat...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29143200/structural-and-perfusion-magnetic-resonance-imaging-of-the-lung-in-cystic-fibrosis
#8
Christina Amaxopoulou, Ralph Gnannt, Kai Higashigaito, Andreas Jung, Christian J Kellenberger
BACKGROUND: Because of its absence of ionising radiation and possibility for obtaining functional information, MRI is promising for assessing lung disease in children who require repetitive imaging for long-term follow-up. OBJECTIVE: To describe MRI findings in children with cystic fibrosis and evaluate semi-quantitative dynamic contrast-enhanced lung perfusion. MATERIALS AND METHODS: We retrospectively compared lung MRI in 25 children and young adults with cystic fibrosis (median age 3...
November 15, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29142842/prevention-and-management-of-bleeding-in-thyroid-surgery
#9
REVIEW
Gabriele Materazzi, Carlo Enrico Ambrosini, Lorenzo Fregoli, Luigi De Napoli, Gianluca Frustaci, Valeria Matteucci, Piermarco Papini, Sohail Bakkar, Paolo Miccoli
Post-thyroidectomy neck hematoma represents a major concern for surgeons because it can result in severe and even life-threatening complications. In fact, postoperative hemorrhage may result in airway compression and respiratory distress, and therefore, effective hemostasis is an important goal in thyroid surgery. Postoperative hematoma occurs at a rate of approximately 0.1% to 1.1%. Almost all cases occur in the first 6 h after surgery and can be the result of several surgeon or patient factors. For many years the clamp-and-tie technique has been the most common way to divide the main vascular pedicles of the thyroid gland...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29142383/assessment-of-doripenem-meropenem-and-imipenem-against-respiratory-isolates-of-pseudomonas-aeroginosa-in-a-tertiary-care-hospital-of-north-india
#10
Arti Negi, Mridu Anand, Avinash Singh, Awadhesh Kumar, Chinmoy Sahu, Kashi Nath Prasad
Objective: Pseudomonas aeruginosa is one of the leading pathogen causing healthcare-associated infections, particularly in immunocompromised and critically ill patients. The development of carbapenem resistance in P. aeruginosa infections is worrisome. Data specifically comparing the susceptibility of the three available carbapenems are lacking in the Indian subcontinent. Materials and Methods: We evaluated the minimum inhibitory concentrations (MICs) of the three commonly used carbapenems- imipenem, meropenem, and doripenem against, 435 P...
October 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29142257/using-a-quantitative-quadruple-immunofluorescent-assay-to-diagnose-isolated-mitochondrial-complex-i-deficiency
#11
Syeda T Ahmed, Charlotte L Alston, Sila Hopton, Langping He, Iain P Hargreaves, Gavin Falkous, Monika Oláhová, Robert McFarland, Doug M Turnbull, Mariana C Rocha, Robert W Taylor
Isolated Complex I (CI) deficiency is the most commonly observed mitochondrial respiratory chain biochemical defect, affecting the largest OXPHOS component. CI is genetically heterogeneous; pathogenic variants affect one of 38 nuclear-encoded subunits, 7 mitochondrial DNA (mtDNA)-encoded subunits or 14 known CI assembly factors. The laboratory diagnosis relies on the spectrophotometric assay of enzyme activity in mitochondrially-enriched tissue homogenates, requiring at least 50 mg skeletal muscle, as there is no reliable histochemical method for assessing CI activity directly in tissue cryosections...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141664/prevalence-and-prognosis-of-acutely-ill-patients-with-organ-failure-at-arrival-to-hospital-protocol-for-a-systematic-review
#12
Peter Bank Pedersen, Asbjorn Hrobjartsson, Daniel Lykke Nielsen, Daniel Pilsgaard Henriksen, Mikkel Brabrand, Annmarie Touborg Lassen
BACKGROUND: Acutely ill patients are a heterogeneous group, and some of these suffer from organ failure. As the prognosis of organ failure improves with early treatment, it is important to identify these patients as early as possible. Most studies on organ failure have been performed in intensive care settings, or on selected groups of patients, where a high prevalence and mortality have been reported. Before patients arrive to the intensive care unit, or the general ward, most of them have passed through the emergency department (ED), where diagnosis and treatment has been initiated...
November 15, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/29141605/an-intronic-single-nucleotide-polymorphism-rs13217795-in-foxo3-is-associated-with-asthma-and-allergic-rhinitis-a-case-case-control-study
#13
Justin Z Amarin, Randa G Naffa, Haya H Suradi, Yousof M Alsaket, Nathir M Obeidat, Tareq M Mahafza, Malek A Zihlif
BACKGROUND: Asthma and allergic rhinitis are respiratory diseases with a significant global burden. Forkhead box O3 (FOXO3) is a gene involved in the etiology of a number of respiratory diseases. The objective of this study is to assess the association of rs13217795, an intronic FOXO3 single-nucleotide polymorphism, with asthma and allergic rhinitis. METHODS: In this case-case-control genetic association study, genotyping was conducted using the PCR-RFLP method...
November 15, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29141525/hyperacute-hemodynamic-effects-of-bipap-noninvasive-ventilation-in-patients-with-acute-heart-failure-and-left-ventricular-systolic-dysfunction-in-emergency-department
#14
Cinzia Moret Iurilli, Natale Daniele Brunetti, Paola Rita Di Corato, Giuseppe Salvemini, Matteo Di Biase, Marco Matteo Ciccone, Vito Procacci
BACKGROUND: Acute heart failure (AHF) is one of the leading causes of admission to emergency department (ED); severe hypoxemic AHF may be treated with noninvasive ventilation (NIV). Despite the demonstrated clinical efficacy of NIV in relieving symptoms of AHF, less is known about the hyperacute effects of bilevel positive airway pressure (BiPAP) ventilation on hemodynamics of patients admitted to ED for AHF. We therefore aimed to assess the effect of BiPAP ventilation on principal hemodynamic, respiratory, pulse oximetry, and microcirculation indexes in patients admitted to ED for AHF, needing NIV...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/29140951/platelet-aggregation-after-blunt-trauma-is-associated-with-the-acute-respiratory-distress-syndrome-and-altered-by-cigarette-smoke-exposure
#15
Farzad Moazed, Carolyn Hendrickson, Mary Nelson, Amanda Conroy, Mitchell J Cohen, Carolyn S Calfee
BACKGROUND: The risk of the acute respiratory distress syndrome (ARDS) is increased in passive and active smokers after blunt trauma. However, the mechanisms responsible, including the role of platelet aggregation, for this association are unknown. METHODS: We analyzed 215 patients with severe blunt trauma from a prospective observational cohort at a Level 1 trauma center between 2010 - 2015. Subjects underwent impedance-based platelet aggregometry in response to platelet agonists arachidonic acid (ASPI), adenosine diphosphate (ADP), collagen (COL) and thrombin receptor activating peptide-6 (TRAP)...
November 14, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29140618/utah-regional-differences-in-respirator-use-and-fit-testing-among-pesticide-applicators
#16
Michael L Pate, F Richard Beard, Kelsey Hall
The purpose of this study was to determine regional differences within Utah in response to piloting a mobile respirator training and fit assessment program for pesticide applicators. The objectives were to describe worker perceptions of respirator use and training experiences. Pilot trainings were offered in two southern counties and two northern counties of Utah. A total of 141 individuals completed the post-training questionnaire regarding use and fit testing experience with respirators as well as perceptions of the benefits to protecting respiratory health...
January 26, 2017: Journal of Agricultural Safety and Health
https://www.readbyqxmd.com/read/29140122/lymphangioleiomyomatosis-diagnosis-and-management-high-resolution-chest-computed-tomography-transbronchial-lung-biopsy-and-pleural-disease-management-an-official-american-thoracic-society-japanese-respiratory-society-clinical-practice-guideline
#17
Nishant Gupta, Geraldine A Finlay, Robert M Kotloff, Charlie Strange, Kevin C Wilson, Lisa R Young, Angelo M Taveira-DaSilva, Simon R Johnson, Vincent Cottin, Steven A Sahn, Jay H Ryu, Kuniaki Seyama, Yoshikazu Inoue, Gregory P Downey, MeiLan K Han, Thomas V Colby, Kathryn A Wikenheiser-Brokamp, Cristopher A Meyer, Karen Smith, Joel Moss, Francis X McCormack
BACKGROUND: Recommendations regarding key aspects related to the diagnosis and pharmacological treatment of lymphangioleiomyomatosis (LAM) were recently published. We now provide additional recommendations regarding four specific questions related to the diagnosis of LAM and management of pneumothoraces in patients with LAM. METHODS: Systematic reviews were performed and then discussed by a multidisciplinary panel. For each intervention, the panel considered its confidence in the estimated effects, the balance of desirable (i...
November 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29139195/phenotypic-characteristics-associated-with-slow-gait-speed-in-idiopathic-pulmonary-fibrosis
#18
Claire M Nolan, Matthew Maddocks, Toby M Maher, Jane L Canavan, Sarah E Jones, Ruth E Barker, Suhani Patel, Joseph Jacob, Paul Cullinan, William D-C Man
BACKGROUND AND OBJECTIVE: Usual gait speed over 4 m (4MGS) is an established functional performance measure in older adults that consistently predicts adverse health outcomes, but few data exist in idiopathic pulmonary fibrosis (IPF). We assessed the reliability of 4MGS, its relationship with established outcome measures and its responsiveness to pulmonary rehabilitation. METHODS: In four prospective IPF cohorts, 4MGS inter-observer (n = 46) and test-retest (n = 46) reliability, concurrent validity (n = 65 and n = 62) and responsiveness (n = 60) were determined...
November 14, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29138874/using-il-6-concentrations-in-the-first-24%C3%A2-h-following-trauma-to-predict-immunological-complications-and-mortality-in-trauma-patients-a-meta-analysis
#19
REVIEW
Zhi Qiao, Weikang Wang, Luxu Yin, Peng Luo, Johannes Greven, Klemens Horst, Frank Hildebrand
PURPOSE: In previous studies, interleukin-6 (IL-6) has been shown to have a high predictive value for the development of complications and mortality after trauma; however, there is some uncertainty around these results. The aim of this meta-analysis was to assess the value of early IL-6 levels (within the first 24 h after trauma) for predicting post-traumatic complications [acute respiratory distress syndrome (ARDS), systemic inflammatory response syndrome (SIRS), sepsis, multiple organ failure (MOF), and multiple organ dysfunction syndrome (MODS)] and mortality...
November 14, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29138552/sirt1-and-foxo1-mrna-expression-in-pbmc-correlates-to-physical-activity-in-copd-patients
#20
Chihiro Taka, Ryuji Hayashi, Kazuki Shimokawa, Kotaro Tokui, Seisuke Okazawa, Kenta Kambara, Minehiko Inomata, Toru Yamada, Shoko Matsui, Kazuyuki Tobe
Background: Physical activity (PA) is considered as one of the most important prognostic predictors in chronic obstructive pulmonary disease (COPD) patients. Longevity gene, SIRT1, is reported to be involved in the pathogenesis of COPD by regulating the signaling pathways of oxidative stress, inflammation, and aging. We hypothesize that SIRT1 and related genes are also associated with the benefits of PA in COPD patients. Methods: Eighteen COPD outpatients were enrolled in this study, and their PA level was assessed with an accelerometer...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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