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Peak cough flow

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https://www.readbyqxmd.com/read/28526483/effects-of-air-stacking-maneuver-on-cough-peak-flow-and-chest-wall-compartmental-volumes-of-amyotrophic-lateral-sclerosis-subjects
#1
Antonio Sarmento, Vanessa Regiane Resqueti, Mario Emílio Teixeira Dourado-Júnior, Lailane Saturnino, Andrea Aliverti, Guilherme Augusto de Freitas Fregonezi, Armele de Fátima Dornelas de Andrade
OBJECTIVES: To assess the acute effects of air stacking on cough peak flow (CPF) and chest wall compartmental volumes of persons with amyotrophic lateral sclerosis (ALS) versus healthy controls positioned at 45° body inclination. DESIGN: Cross-sectional study with a matched-pair design. SETTING: University hospital. PARTICIPANTS: Twelve persons with ALS and twelve age-matched healthy. MAIN OUTCOMES: CPF, chest wall compartmental inspiratory capacity (ICCW), vital capacity (VCCW), tidal volume (VTCW) and operational volumes, breathing pattern and percentage of contribution of the compartments to the inspired volume were measured by optoelectronic plethysmography...
May 16, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28503465/correlation-of-serum-creatine-kinase-level-with-pulmonary-function-in-duchenne-muscular-dystrophy
#2
Eun Young Kim, Jang Woo Lee, Mi Ri Suh, Won Ah Choi, Seong Woong Kang, Hyeon Jun Oh
OBJECTIVE: To investigate the relationship between serum creatine kinase (CK) level and pulmonary function in Duchenne muscular dystrophy (DMD). METHODS: A total of 202 patients with DMD admitted to the Department of Rehabilitation Medicine, Gangnam Severance Hospital were enrolled from January 1, 1999 to March 31, 2015. Seventeen patients were excluded. Data collected from the 185 patients included age, height, weight, body mass index, pulmonary function tests including forced vital capacity (FVC), peak cough flow, maximal expiratory pressure (MEP), and maximal inspiratory pressure (MIP), and laboratory measurements (serum level of CK, CK-MB, troponin-T, and B-type natriuretic peptide)...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28487516/peak-flow-meter-with-a-questionnaire-and-mini-spirometer-to-help-detect-asthma-and-copd-in-real-life-clinical-practice-a-cross-sectional-study
#3
Yogesh T Thorat, Sundeep S Salvi, Rahul R Kodgule
Peak flow meter with questionnaire and mini-spirometer are considered as alternative tools to spirometry for screening of asthma and chronic obstructive pulmonary disease. However, the accuracy of these tools together, in clinical settings for disease diagnosis, has not been studied. Two hundred consecutive patients with respiratory complaints answered a short symptom questionnaire and performed peak expiratory flow measurements, standard spirometry with Koko spirometer and mini-spirometry (COPD-6). Spirometry was repeated after bronchodilation...
May 9, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28471982/pulmonary-dysfunction-in-114-patients-with-inflammatory-bowel-disease
#4
Yujie Zhao, Junshan Wang, Zhanju Liu, Hui Lin, Yanhong Shi, Xiaomin Sun
This study aimed to investigate the pulmonary function in patients with inflammatory bowel disease (IBD) and its clinical feature and risk factors.One hundred fourteen patients with IBD and 120 healthy subjects were recruited. The medical information including general situation, biochemical examinations, lung function, and the treatment was recorded and analyzed.In 107 patients (107/114, 93.86%), lung function testing showed the pulmonary ventilation, residual volume, and pulmonary diffusion in IBD patients significantly increased as compared to controls (P < ...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28409593/chronic-obstructive-pulmonary-disease-diagnosis-and-management
#5
Shari Gentry, Barry Gentry
The diagnosis of chronic obstructive pulmonary disease (COPD) should be suspected in patients with risk factors (primarily a history of smoking) who report dyspnea at rest or with exertion, chronic cough with or without sputum production, or a history of wheezing. COPD may be suspected based on findings from the history and physical examination, but must be confirmed by spirometry to detect airflow obstruction. Findings that are most helpful to rule in COPD include a smoking history of more than 40 pack-years, a self-reported history of COPD, maximal laryngeal height, and age older than 45 years...
April 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28397558/measurement-of-cough-aerodynamics-in-healthy-adults
#6
Aaron J Feinstein, Zhaoyan Zhang, Dinesh K Chhetri, Jennifer Long
IMPORTANCE: Cough is a critical human reflex and also among the most frequent symptoms in medicine. Despite the prevalence of disordered cough in laryngeal pathologies, comprehensive and quantitative evaluation of cough in these patients is lacking. OBJECTIVE: Herein we seek to establish normative values for cough aerodynamics to provide a population standard for reference in future studies. DESIGN, SETTING, AND PARTICIPANTS: Healthy subjects were recruited from an outpatient clinic to perform voluntary cough...
May 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28356654/disordered-voluntary-cough-as-freezing-phenomenon-in-parkinsonism
#7
Mitsuaki Ishii, Hideaki Mashimo
[Purpose] In patients with parkinsonism, the precise mechanism of impaired voluntary cough remains poorly understood. This study used the flow-volume curve to clarify whether disordered voluntary cough reflects the freezing phenomenon. [Subjects and Methods] Case 1 was a 58-year-old female who had been suffering from progressive supranuclear palsy-pure akinesia with gait freezing. Case 2 was a 59-year-old female who had advanced juvenile parkinsonism. The subjects were asked to take a deep inspiration to the total lung capacity and then cough more than five times through the face mask into the spirometer without intervening inspirations between the coughing efforts...
March 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28356637/rate-of-oral-intake-and-effects-of-mechanical-insufflation-exsufflation-on-pulmonary-complications-in-patients-with-duchenne-muscular-dystrophy
#8
Toshihiko Miura, Akiyoshi Takami, Misato Makino, Akira Ishikawa, Yuka Ishikawa
[Purpose] In Duchenne muscular dystrophy, it increases risks of difficulties of expectoration of secretion, asphyxia, aspiration pneumonia because of decreased cough function. The aim of this study is to prove that manually assisted coughing or mechanical insufflation-exsufflation prevents pulmonary complication and contribute to continue oral intake safely and continue rate of oral intake in Duchenne muscular dystrophy. [Subjects and Methods] We investigated the status of using ventilator, manually assisted coughing or mechanical insufflation-exsufflation, and oral intake or not...
March 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28276782/respiratory-symptoms-and-lung-function-in-relation-to-wood-dust-and-monoterpene-exposure-in-the-wood-pellet-industry
#9
Håkan Löfstedt, Katja Hagström, Ing-Liss Bryngelsson, Mats Holmström, Anna Rask-Andersen
INTRODUCTION: Wood pellets are used as a source of renewable energy for heating purposes. Common exposures are wood dust and monoterpenes, which are known to be hazardous for the airways. The purpose of this study was to study the effect of occupational exposure on respiratory health in wood pellet workers. MATERIALS AND METHODS: Thirty-nine men working with wood pellet production at six plants were investigated with a questionnaire, medical examination, allergy screening, spirometry, and nasal peak expiratory flow (nasal PEF)...
March 1, 2017: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/28246308/use-of-cough-peak-flow-measured-by-a-ventilator-to-predict-re-intubation-when-a-spirometer-is-unavailable
#10
Linfu Bai, Jun Duan
BACKGROUND: A ventilator includes the function to measure flow velocity. We aimed to compare the predictive accuracy for re-intubation diagnosed by cough peak flow (CPF) measured by a spirometer and a ventilator. METHODS: Endotracheally intubated subjects who passed a spontaneous breathing trial were enrolled. Before extubation, CPF was measured by a spirometer and a ventilator, respectively. Re-intubation was recorded at 72 h after extubation. RESULTS: A total of 126 subjects were enrolled...
May 2017: Respiratory Care
https://www.readbyqxmd.com/read/28196935/air-stacking-a-detailed-look-into-physiological-acute-effects-on-cough-peak-flow-and-chest-wall-volumes-of-healthy-subjects
#11
Antonio Sarmento, Armèle F Dornelas de Andrade, Íllia Nadinne Df Lima, Andrea Aliverti, Guilherme Augusto de Freitas Fregonezi, Vanessa R Resqueti
BACKGROUND: Air stacking (AS) is a lung insufflation method that requires the use of a manual insufflator to provide air volumes higher than inspiratory capacity. Neuromuscular patients benefit the most from the maneuver; however, the acute effects of AS in healthy subjects are still unclear. METHODS: Twenty healthy subjects (8 males) were studied by optoelectronic plethysmography to investigate the immediate effects of AS on cough peak flow, operational volume variations, distribution of these volumes in the chest wall compartments (pulmonary rib cage, abdominal rib cage, and abdominal), breathing pattern, and shortening velocity of the respiratory muscles during a protocol that included vital capacity maneuvers and spontaneous coughs before and after AS...
April 2017: Respiratory Care
https://www.readbyqxmd.com/read/28166501/using-a-sniff-controller-to-self-trigger-abdominal-functional-electrical-stimulation-for-assisted-coughing-following-cervical-spinal-cord-lesions
#12
Lior Haviv, Hagit Friedman, Uri Bierman, Itzhak Glass, Anton Plotkin, Aharon Weissbrod, Sagit Shushan, Vadim Bluvshtein, Elena Aidinoff, Noam Sobel, Amiram Catz
Individuals with cervical spinal cord lesions (SCL) typically depend on caregivers to manually assist in coughing by pressing against their abdominal wall. Coughing can also be assisted by functional electric stimulation (FES) applied to abdominal muscles via surface electrodes. Efficacy of FES, however, depends on precise temporal synchronization. The sniff-controller is a trigger that enables paralyzed individuals to precisely control external devices through alterations in nasal airflow. We hypothesized that FES self-triggering by sniffcontroller may allow for effective cough timing...
January 31, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28152239/quantifying-the-influence-of-respiration-and-cardiac-pulsations-on-cerebrospinal-fluid-dynamics-using-real-time-phase-contrast-mri
#13
Selda Yildiz, Suraj Thyagaraj, Ning Jin, Xiaodong Zhong, Soroush Heidari Pahlavian, Bryn A Martin, Francis Loth, John Oshinski, Karim G Sabra
PURPOSE: To validate a real-time phase contrast magnetic resonance imaging (RT-PCMRI) sequence in a controlled phantom model, and to quantify the relative contributions of respiration and cardiac pulsations on cerebrospinal fluid (CSF) velocity at the level of the foramen magnum (FM). MATERIALS AND METHODS: To validate the 3T MRI techniques, in vitro studies used a realistic model of the spinal subarachnoid space driven by pulsatile flow waveforms mimicking the respiratory and cardiac components of CSF flow...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28108686/use-of-mechanical-insufflation-exsufflation-devices-for-airway-clearance-in-subjects-with-neuromuscular-disease
#14
REVIEW
Catherine Auger, Vanessa Hernando, Hubert Galmiche
The aim of this systematic review is to examine the benefit/risk ratio of the use of mechanical insufflation-exsufflation (MI-E) devices for airway clearance in patients with neuromuscular diseases. A search was conducted for relevant studies in MEDLINE, the Cochrane Library, and the Health Technology Assessment Database using the main key words: cough, airway clearance, in-exsufflation. The search limits were studies published in English and French between 1970 and 2014 (literature watch until December 2015)...
February 2017: Respiratory Care
https://www.readbyqxmd.com/read/28100202/a-novel-reflex-cough-testing-device
#15
Kazunori Fujiwara, Katsuyuki Kawamoto, Yoko Shimizu, Takahiro Fukuhara, Satoshi Koyama, Hideyuki Kataoka, Hiroya Kitano, Hiromi Takeuchi
BACKGROUND: The reflex cough test is useful for detecting silent aspiration, a risk factor for aspiration pneumonia. However, assessing the risk of aspiration pneumonia requires measuring not only the cough reflex but also cough strength. Currently, no reflex cough testing device is available that can directly measure reflex cough strength. We therefore developed a new testing device that can easily and simultaneously measure cough strength and the time until the cough reflex, and verified whether screening with this new instrument is feasible for evaluating the risk of aspiration pneumonia...
January 18, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28052465/respiratory-impairment-in-multiple-sclerosis-a-study-of-respiratory-function-in-wheelchair-bound-patients
#16
J Levy, D Bensmail, A Brotier-Chomienne, S Butel, C Joussain, C Hugeron, H Prigent
BACKGROUND AND PURPOSE: Respiratory disorders are a major cause of morbidity and mortality in multiple sclerosis (MS). Mainly reported in walking patients, they are poorly explored when walking is severely impaired. To characterize respiratory impairment in patients with advanced MS. METHODS: From 2012 to 2015, patients with MS with an Expanded Disability Status Scale (EDSS) score of ≥7 who were referred for functional and rehabilitation evaluation underwent pulmonary function tests to study lung volumes, cough efficacy and respiratory muscle pressures...
March 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27900185/benefits-of-a-novel-concept-of-home-based-exercise-with-the-aim-of-preventing-aspiration-pneumonia-and-falls-in-frail-older-women-a-pragmatic-controlled-trial
#17
Katsuhiko Takatori, Daisuke Matsumoto, Munenori Nishida, Shinnichiro Matsushita, Tatsuya Noda, Tomoaki Imamura
AIM: To investigate whether home-based exercise with the aim of preventing aspiration pneumonia and accidental falls improves swallowing-related and physical functions in community-dwelling frail older women. METHODS: Participants were 266 community-dwelling frail older women in a long-term care prevention class (mean (SD): age 75 (5) years). Participants were allocated to either an intervention group or a control group. In the intervention group, participants were asked to perform, at least three times a week for 6 months, a home-based exercise programme that was specifically developed to prevent aspiration pneumonia and accidental falls...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27882023/effects-of-bisoprolol-in-combination-with-trimetazidine-on-the-treatment-of-heart-failure-and-concomitant-chronic-obstructive-pulmonary-disease
#18
Yuanyuan Ke, Dingli Xu, Minxiong Li, Zenglong Wu, Yongpeng Huang
OBJECTIVE: To evaluate the effects of bisoprolol combined with trimetazidine on the treatment of heart failure patients having concomitant chronic obstructive pulmonary disease (COPD); in comparison with control group treated with standard therapy only. METHODS: A total of 120 heart failure patients having concomitant COPD were selected and randomly divided into a control group and a treatment group according to different treatment methods (n=60). The control group was given continuous low flow oxygen inhalation and inotropic agents, and their cardiac stress was also reduced...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27847715/analysis-of-pulmonary-function-test-in-korean-patients-with-duchenne-muscular-dystrophy-comparison-of-foreign-and-korean-reference-data
#19
Tae Sik Bang, Woo Hyuk Choi, Sang Hun Kim, Je-Sang Lee, Soo-Yeon Kim, Myung Jun Shin, Yong Beom Shin
OBJECTIVE: To determine the abnormal pulmonary function value in Korean Duchenne muscular dystrophy (DMD) patients, we performed a comparative analysis of the patients' pulmonary function value expressed as % of the overseas reference data and Korean healthy children and adolescent reference data. METHODS: We performed pulmonary function test (PFT) in a total of 27 DMD patients. We compared the patients' FVC% and FEV1% of the overseas reference data with those of the Korean children and adolescent reference data...
October 2016: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/27821935/effects-of-an-upper-limb-exercise-program-for-improving-muscular-strength-and-range-of-movement-on-respiratory-function-of-stroke-patients
#20
Dong-Hyun Kim, Sang-Hun Jang
[Purpose] This study aims to investigate the effects of upper-limb exercises on the respiratory functions of stroke patients. [Subjects and Methods] This study was performed with 25 stroke patients. The subjects were divided into the control group (n=12) which did not perform upper arm training and the experimental group (n=13) which conducted upper arm training. Forced vital capacity and forced expiratory volume in the first second, both of which are used in this study, are well-known indicators of respiratory capabilities...
October 2016: Journal of Physical Therapy Science
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