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Peak cough flow

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https://www.readbyqxmd.com/read/28276782/respiratory-symptoms-and-lung-function-in-relation-to-wood-dust-and-monoterpene-exposure-in-the-wood-pellet-industry
#1
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
#2
Bai Linfu, 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...
February 28, 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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27817773/-therapeutic-effect-and-safety-of-montelukast-sodium-combined-with-budesonide-in-children-with-cough-variant-asthma-a-meta-analysis
#13
Yan Wei, Dong-Sheng Li, Jian-Jun Liu, Jing Zhang, Hai-En Zhao
OBJECTIVE: To evaluate the therapeutic effect and safety of montelukast sodium combined with budesonide in children with cough variant asthma. METHODS: The databases CNKI, Wanfang Data, VIP, PubMed, EMbase, and BioMed Central were searched for randomized controlled trials (RCTs) of montelukast sodium combined with budesonide in the treatment of children with cough variant asthma. Data extraction and quality assessment were performed for RCTs which met the inclusion criteria, and RevMan 5...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27748575/effects-of-oral-care-with-tongue-cleaning-on-coughing-ability-in-geriatric-care-facilities-a-randomised-controlled-trial
#14
M Izumi, K Takeuchi, S Ganaha, S Akifusa, Y Yamashita
Methods for preventing aspiration pneumonia are needed soon in order to reduce mortality from aspiration pneumonia and promote the health of the elderly. The aim of this randomised controlled trial was to examine whether oral care with tongue cleaning improves coughing ability in elderly individuals living in geriatric care facilities. Participants comprised of 114 residents of 11 group homes and private nursing homes in Aso City in Kumamoto Prefecture. Participants were randomly assigned to either (i) a group that underwent routine oral care with tongue cleaning (intervention group; n = 58) or (ii) a group that underwent routine oral care alone (control group; n = 56)...
December 2016: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/27716405/noninvasive-ventilation-for-avoidance-of-reintubation-in-patients-with-various-cough-strength
#15
Jun Duan, Xiaoli Han, Shicong Huang, Linfu Bai
BACKGROUND: Reintubation is associated with high mortality. Identification of methods to avoid reintubation is needed. The aim of this study was to assess whether prophylactic noninvasive ventilation (NIV) would benefit patients with various cough strengths. METHODS: We prospectively enrolled 356 patients who successfully passed a spontaneous breathing trial in a respiratory intensive care unit. Before extubation, cough peak flow was measured. After extubation, attending physicians determined whether the patients would receive prophylactic NIV or conventional oxygen treatment (control group)...
October 7, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27706462/effectiveness-of-prophylactic-non-invasive-ventilation-on-respiratory-function-in-the-postoperative-phase-of-pediatric-cardiac-surgery-a-randomized-controlled-trial
#16
Camilla R S Silva, Lívia B Andrade, Danielle A S X Maux, Andreza L Bezerra, Maria C M B Duarte
Objective: To evaluate the effectiveness of prophylactic, non-invasive ventilation (NIV) on respiratory function in seven- to 16-year-old children in the post-operative phase of cardiac surgery. Method: A randomized, controlled trial with 50 children who had undergone cardiac surgery with median sternotomy. After extubation, patients were randomly assigned to one of two groups: control group (n=26), which received instructions regarding posture, early ambulation, and cough stimulation, and CPAP group (continuous positive airway pressure; n=24), which received the same instructions as the control group and CPAP=10 cmH20 twice daily for 30 minutes from the 1st to the 5th post-operative day (POD)...
November 2016: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/27692145/the-relationship-of-body-habitus-and-respiratory-function-in-duchenne-muscular-dystrophy
#17
Kenneth Chew, Kate Carey, Genevieve Ho, Kylie-Ann Mallitt, John Widger, Michelle Farrar
BACKGROUND: The multidisciplinary care of Duchenne muscular dystrophy (DMD) incorporates management of nutrition and the respiratory system, however the effect of body habitus on respiratory function in DMD is poorly understood. The present study examined the impact of nutritional status on respiratory function in DMD to guide further treatment strategies. METHODS: Anthropometric and respiratory parameters, such as body mass index (BMI) z-scores, forced vital capacity (FVC) and forced expiratory volume in one second (FEV1) were retrospectively analysed with a mixed linear model in 34 DMD patients...
October 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27622699/randomized-trial-of-once-daily-fluticasone-furoate-in-children-with-inadequately-controlled-asthma
#18
Amanda J Oliver, Ronina A Covar, Caroline H Goldfrad, Ryan M Klein, Søren E Pedersen, Christine A Sorkness, Susan A Tomkins, César Villarán, Jonathan Grigg
OBJECTIVE: To evaluate the dose-response, efficacy, and safety of fluticasone furoate (FF; 25 µg, 50 µg, and 100 µg), administered once daily in the evening during a 12-week treatment period to children with inadequately controlled asthma. STUDY DESIGN: This was a Phase IIb, multicenter, stratified, randomized, double-blind, double-dummy, parallel-group, placebo- and active-controlled study in children aged 5-11 years with inadequately controlled asthma...
November 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27606641/effect-of-abdominal-muscle-training-on-respiratory-muscle-strength-and-forced-expiratory-flows-in-sedentary-healthy-adolescents
#19
Iván Rodríguez-Núñez, Ximena Navarro, Darwin Gatica, Carlos Manterola
INTRODUCTION: Respiratory muscle training is the most commonly used method to revert respiratory muscle weakness; however, the effect of protocols based on non-respiratory maneuvers has not been adequately studied in the pediatric population. The objective of this study was to establish the effect of abdominal muscle training on respiratory muscle strength and forced expiratory flows in healthy adolescents. METHODS: This was a quasi-experiment. The sample was made up of healthy adolescents divided into two groups: an experimental group who completed eight weeks of active abdominal muscle training, and an equivalent control group...
October 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27605967/respiratory-effects-of-biomass-fuel-combustion-on-rural-fish-smokers-in-a-nigerian-fishing-settlement-a-case-control-study
#20
Paul Dienye, Alex Akani, Ita Okokon
BACKGROUD: The aim was to study the prevalence of respiratory symptoms and assess the lung function of fish smokers in Nigeria. METHODS: A case control study was done among fish smokers in Nigeria. Women aged 15 years or older (n=210) involved in fish smoking and equal number of matched controls were interviewed on respiratory symptoms and their peak expiratory flow rate (PEFR) measured. Data was analysed using chi square test, student's t-test and odd ratios. RESULTS: Both groups were similar in their personal characteristics...
June 2016: African Health Sciences
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