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https://www.readbyqxmd.com/read/27903669/exertional-dyspnoea-in-obesity
#1
Vipa Bernhardt, Tony G Babb
The purpose of cardiopulmonary exercise testing (CPET) in the obese person, as in any cardiopulmonary exercise test, is to determine the patient's exercise tolerance, and to help identify and/or distinguish between the various physiological factors that could contribute to exercise intolerance. Unexplained dyspnoea on exertion is a common reason for CPET, but it is an extremely complex symptom to explain. Sometimes obesity is the simple answer by elimination of other possibilities. Thus, distinguishing among multiple clinical causes for exertional dyspnoea depends on the ability to eliminate possibilities while recognising response patterns that are unique to the obese patient...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27886421/pathophysiology-of-dyspnoea-in-acute-pulmonary-embolism-a-cross-sectional-evaluation
#2
Olivier Sanchez, Aurore Caumont-Prim, Elisabeth Riant, Laurent Plantier, Martin Dres, Bruno Louis, Marie-Anne Collignon, Benoit Diebold, Guy Meyer, Claudine Peiffer, Christophe Delclaux
BACKGROUND AND OBJECTIVE: Dyspnoea in pulmonary embolism (PE) remains poorly characterized. Little is known about how to measure intensity or about the underlying mechanisms that may be related to ventilatory abnormalities, alveolar dead space ventilation or modulating factors such as psychological modulate. We hypothesized that dyspnoea would mainly be associated with pulmonary vascular obstruction and its pathophysiological consequences, while the sensory-affective domain of dyspnoea would be influenced by other factors...
November 25, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27877034/persistent-disabling-breathlessness-in-chronic-obstructive-pulmonary-disease
#3
Josefin Sundh, Magnus Ekström
OBJECTIVE: To determine the prevalence, change in breathlessness status over time, and risk factors for disabling and persistent disabling breathlessness in relation to treatments in chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS: Longitudinal analysis of data from the Swedish National Register of COPD with breathlessness measured using modified Medical Research Council (mMRC) scores at two subsequent visits. Prevalence of disabling breathlessness (mMRC ≥2 at baseline) and persistent disabling breathlessness (disabling breathlessness at baseline and follow-up) was investigated in relation to COPD treatment...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27817808/restrictive-spirometric-pattern-in-the-general-adult-population-methods-of-defining-the-condition-and-consequences-on-prevalence
#4
Helena Backman, Berne Eriksson, Linnea Hedman, Caroline Stridsman, Sven-Arne Jansson, Anssi Sovijärvi, Anne Lindberg, Eva Rönmark, Bo Lundbäck
BACKGROUND: Attempts have been made to use dynamic spirometry to define restrictive lung function, but the definition of a restrictive spirometric pattern (RSP) varies between studies such as BOLD and NHANES. The aim of this study was to estimate the prevalence and risk factors of RSP among adults in northern Sweden based on different definitions. METHODS: In 2008-2009 a general population sample aged 21-86y within the obstructive lung disease in northern Sweden (OLIN) studies was examined by structured interview and spirometry, and 726 subjects participated (71% of invited)...
November 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27790495/acute-right-heart-failure-in-a-patient-with-right-heart-thrombus-and-pulmonary-thromboembolism
#5
Mohammad Mostafa Ansari-Ramandi, Samaneh Ansari-Ramandi, Nasim Naderi
Right Heart Thrombus (RiHT) management is really controversial, and appropriate guidelines are not present for the management. In patients referring with RiHT and Pulmonary Embolism (PE), there are three ways of managing these patients. Out of the three, one is thrombectomy, which is with high risk taking in mind the comorbidities these patients have. The other is using thrombolytic which, in many cases is contraindicated or with high risk. The other less effective way is full anticoagulation. It is really controversial to choose between these ways of management and no clear approach is present...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27773852/u-biopred-clinical-adult-asthma-clusters-linked-to-a-subset-of-sputum-omics
#6
Diane Lefaudeux, Bertrand De Meulder, Matthew J Loza, Nancy Peffer, Anthony Rowe, Frédéric Baribaud, Aruna T Bansal, Rene Lutter, Ana R Sousa, Julie Corfield, Ioannis Pandis, Per S Bakke, Massimo Caruso, Pascal Chanez, Sven-Erik Dahlén, Louise J Fleming, Stephen J Fowler, Ildiko Horvath, Norbert Krug, Paolo Montuschi, Marek Sanak, Thomas Sandstrom, Dominic E Shaw, Florian Singer, Peter J Sterk, Graham Roberts, Ian M Adcock, Ratko Djukanovic, Charles Auffray, Kian Fan Chung
BACKGROUND: Asthma is a heterogeneous disease in which there is a differential response to asthma treatments. This heterogeneity needs to be evaluated so that a personalized management approach can be provided. OBJECTIVES: We stratified patients with moderate-to-severe asthma based on clinicophysiologic parameters and performed an omics analysis of sputum. METHODS: Partition-around-medoids clustering was applied to a training set of 266 asthmatic participants from the European Unbiased Biomarkers for the Prediction of Respiratory Diseases Outcomes (U-BIOPRED) adult cohort using 8 prespecified clinic-physiologic variables...
October 20, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27771930/cddo-and-its-role-in-chronic-diseases
#7
Bryan J Mathis, Taixing Cui
There has been a continued interest in translational research focused on both natural products and manipulation of functional groups on these compounds to create novel derivatives with higher desired activities. Oleanolic acid, a component of traditional Chinese medicine used in hepatitis therapy, was modified by chemical processes to form 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid (CDDO). This modification increased anti-inflammatory activity significantly and additional functional groups on the CDDO backbone have shown promise in treating conditions ranging from kidney disease to obesity to diabetes...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27770204/overnight-changes-in-lung-function-of-obese-patients-with-obstructive-sleep-apnoea
#8
Laszlo Kunos, Zsofia Lazar, Fruzsina Martinovszky, Adam D Tarnoki, David L Tarnoki, Daniel Kovacs, Bianka Forgo, Peter Horvath, Gyorgy Losonczy, Andras Bikov
PURPOSE: Obstructive sleep apnoea (OSA) is a prevalent disorder, characterised by collapse of the upper airways during sleep. The impact of sleep-disordered breathing on pulmonary function indices is however currently not well described. The aim of the study was to evaluate diurnal change in lung function indices in a cohort of patients with OSA and relate pulmonary function changes to disease severity. METHODS: 42 patients with OSA and 73 healthy control subjects participated in the study...
October 21, 2016: Lung
https://www.readbyqxmd.com/read/27763876/the-effect-of-body-mass-and-sex-on-the-accuracy-of-respiratory-magnetometers-for-measurement-of-end-expiratory-lung-volumes
#9
Joanne Avraam, Rosie Bourke, John Trinder, Christian L Nicholas, Danny Brazzale, Fergal J O'Donoghue, Peter D Rochford, Amy S Jordan
Respiratory magnetometers are increasingly being used in sleep studies to measure changes in end-expiratory lung volume (EELV), including in obese obstructive sleep apnea patients. Despite this, the accuracy of magnetometers has not been confirmed in obese patients nor compared between sexes. Thus we compared spirometer-measured and magnetometer-estimated lung volume and tidal volume changes during voluntary end-expiratory lung volume changes of 1.5, 1, and 0.5 l above and 0.5 l below functional respiratory capacity in supine normal-weight [body mass index (BMI) < 25 kg/m] and healthy obese (BMI > 30 kg/m) men and women...
November 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27760633/-analysis-of-correlative-factors-of-serum-leptin-levels-in-asthmatic-patients
#10
Y Liang, J Wang, C Chang, T Amannisa, Y C Sun, B He, W Z Yao
Objective: To analysis the correlative factors that probably affect serum leptin levels in asthmatic patients. Methods: Seventy-eight patients with asthma and 29 health controls who were admitted into outpatient clinic of Peking University Third Hospital from April 2014 to December 2015 were consecutively enrolled in our study prospectively. Serum leptin level was measured by enzyme-linked immunosorbent assay (ELISA). The sex, body mass index (BMI), onset age of asthma, allergen detection test, induced sputum cell count and classification, lung function test and asthma control level were recorded...
September 27, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27744739/the-role-of-exercise-in-a-weight-loss-program-on-clinical-control-in-obese-adults-with-asthma-a-rct
#11
Patricia D Freitas, Palmira G Ferreira, Aline G Silva, Rafael Stelmach, Regina M Carvalho-Pinto, Frederico L A Fernandes, Marcio C Mancini, Maria N Sato, Milton A Martins, Celso R F Carvalho
RATIONALE: Clinical control is difficult to achieve in obese patients with asthma. Bariatric surgery has been recommended for weight-loss and to improve asthma control; however, the benefits of nonsurgical interventions have been poorly investigated. OBJECTIVE: To examine the effect of exercise training in a weight-loss program on asthma control, quality of life, inflammatory biomarkers and lung function. METHODS: Fifty-five obese patients with asthma were randomly assigned to either a weight-loss program + exercise (WL+E group, n=28) or a weight-loss program + sham (WL+S group, n=27) group, where the weight-loss program included nutrition (caloric restriction) and psychological therapies...
July 19, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27730201/only-severe-copd-is-associated-with-being-underweight-results-from-a-population-survey
#12
Berne Eriksson, Helena Backman, Apostolos Bossios, Anders Bjerg, Linnea Hedman, Anne Lindberg, Eva Rönmark, Bo Lundbäck
Low body mass index (BMI) and malnutrition in chronic obstructive pulmonary disease (COPD) are associated with a poor prognosis. The prevalence of underweight, as well as overweight, in severity grades of COPD is sparsely investigated in studies of the general population and the associated patterns of risk factors are not well established. The aim of the present study was to determine the association between severity grades of airflow limitation in COPD, and both underweight and obesity when corrected for possible confounding factors...
July 2016: ERJ Open Research
https://www.readbyqxmd.com/read/27709465/leukotriene-receptor-antagonists-for-the-treatment-of-asthma-in-elderly-patients
#13
Hoang Kim Tu Trinh, Ga-Young Ban, Ji-Ho Lee, Hae-Sim Park
Elderly asthma (EA) is regarded as a distinct phenotype of asthma and is associated with age-related changes in airway structure and alterations in lung function and immune responses. EA is difficult to diagnose because of aging and co-morbidities, and overlaps with fixed airway obstructive disease. Novel modalities to differentiate between EA and chronic obstructive pulmonary disease (COPD) are necessary. A multifaceted approach, including clinical history, smoking habits, atopy, and measurement of lung function, is mandatory to differentiate asthma from COPD...
October 2016: Drugs & Aging
https://www.readbyqxmd.com/read/27683774/evaluation-of-the-thoracoabdominal-mobility-of-obese-subjects-in-pre-bariatric-surgery
#14
Ana Paula Limongi Richardelli Veloso, Karla Garcez Cusmanich
Background: Obesity can affect the thorax, diaphragm, and alterations in respiratory function even if the lungs are within normality. The respiratory compliance is very reduced by the increase in fat mass. Aim: To evaluate the effect of the physical therapeutic respiratory exercises on the thoracoabdominal mobility of obese individuals in pre-bariatric surgery. Methods: Cross-sectional and descriptive study, which used the cirtometry (axillary, xiphoid and abdominal) to evaluate the mobility of 74 individuals, 27 men and 47 women, in pre-bariatric surgery, assisted by the team EMAD, after eight weeks of physiotherapy, following a protocol of exercises, reevaluating and compared the measures pre and post intervention...
2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/27634166/motor-trajectories-from-birth-to-5-years-of-children-born-at-less-than-30-weeks-gestation-early-predictors-and-functional-implications-protocol-for-a-prospective-cohort-study
#15
Alicia J Spittle, Jennifer L McGinley, Deanne Thompson, Ross Clark, Tara L FitzGerald, Benjamin F Mentiplay, Katherine J Lee, Joy E Olsen, Alice Burnett, Karli Treyvaud, Elisha Josev, Bonnie Alexander, Claire E Kelly, Lex W Doyle, Peter J Anderson, Jeanie Ly Cheong
INTRODUCTION: Motor impairments are one of the most frequently reported adverse neurodevelopmental consequences in children born < 30 weeks' gestation. Up to 15% of children born at < 30 weeks have cerebral palsy and an additional 50% have mild to severe motor impairment at school age. The first 5 years of life are critical for the development of fundamental motor skills. These skills form the basis for more complex skills that are required to competently and confidently participate in schooling, sporting and recreational activities...
October 2016: Journal of Physiotherapy
https://www.readbyqxmd.com/read/27619215/the-effect-of-surgical-and-non-surgical-weight-loss-on-n-terminal-pro-b-type-natriuretic-peptide-and-its-relation-to-obstructive-sleep-apnea-and-pulmonary-function
#16
Anne-Marie Gabrielsen, Torbjørn Omland, Mette Brokner, Jan Magnus Fredheim, Jens Jordan, Sverre Lehmann, May Brit Lund, Jøran Hjelmesæth, Dag Hofsø
BACKGROUND: Obesity is a major risk factor for obstructive sleep apnea, impaired pulmonary function and heart failure, but obesity is also associated with paradoxically low levels of serum N-terminal pro-B-type natriuretic peptide (NT-proBNP). In subjects with severe obesity undergoing weight loss treatment, we assessed the associations between changes in severity of obstructive sleep apnea, pulmonary function and serum NT-proBNP levels. METHODS: One-year non-randomized controlled clinical trial...
September 13, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27603500/prevalence-and-outcomes-of-breathlessness-in-older-adults-a-national-population-study
#17
Alexander K Smith, David C Currow, Amy P Abernethy, Miriam J Johnson, Yinghui Miao, W John Boscardin, Christine S Ritchie
OBJECTIVES: To determine the prevalence and outcomes of breathlessness in older Americans. SETTING: Community-dwelling older adults. PARTICIPANTS: Individuals aged 70 and older in the nationally representative Health and Retirement Study (2008, follow-up through 2012) (N = 3,671; mean age 78). MEASUREMENTS: Breathlessness was assessed by asking the question, "How often do you become short of breath while awake?" Responses of often or sometimes were considered to represent a level of breathlessness sufficient to warrant clinical attention...
September 7, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27595579/asthma-as-a-disruption-in-iron-homeostasis
#18
Andrew J Ghio
Over several decades, asthma has evolved from being recognized as a single disease to include a diverse group of phenotypes with dissimilar natural histories, pathophysiologies, responses to treatment, and distinctive molecular pathways. With the application of Occam's razor to asthma, it is proposed that there is one cause underlying the numerous phenotypes of this disease and that the responsible molecular pathway is a deficiency of iron in the lung tissues. This deficiency can be either absolute (e.g. asthma in the neonate and during both pregnancy and menstruation) or functional (e...
October 2016: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/27594743/the-effect-of-body-mass-index-on-spirometric-parameters-in-children-with-asthma
#19
Amela Pasic, Fahrija Skokic, Fuad Pasic, Miroslav Ilic
AIM: Asthma and obesity represent one of the most crucial public and health problems of modern society that frequently begin in childhood and have some mutual elements of risk. Abdominal distribution of connective tissue is important determinant which brings to decrease of lungs function. Multiple influence of overweight on function of the lungs would clearly manifest over reduction of forced expiratory volume in the first second (FEV1) and forced vital capacity (FVC). METHOD: Examining was conducted at Pediatric Clinic of University Clinical Hospital Tuzla during the year 2013/2014...
June 2016: Medical Archives
https://www.readbyqxmd.com/read/27587091/associations-between-asthma-overweight-and-physical-activity-in-children-a-cross-sectional-study
#20
Maartje Willeboordse, Kim D G van de Kant, Charlotte A van der Velden, Constant P van Schayck, Edward Dompeling
BACKGROUND: Asthma and obesity are highly prevalent in children, and are interrelated resulting in a difficult-to-treat asthma-obesity phenotype. The exact underlying mechanisms of this phenotype remain unclear, but decreased physical activity (PA) could be an important lifestyle factor. We hypothesize that both asthma and overweight/obesity decrease PA levels and interact on PA levels in asthmatic children with overweight/obesity. METHODS: School-aged children (n = 122) were divided in 4 groups (healthy control, asthma, overweight/obesity and asthma, and overweight/obesity)...
September 1, 2016: BMC Public Health
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