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Peak cough flow

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https://www.readbyqxmd.com/read/28743265/the-predictive-value-of-respiratory-function-tests-for-non-invasive-ventilation-in-amyotrophic-lateral-sclerosis
#1
T B M Tilanus, J T Groothuis, J M C TenBroek-Pastoor, T B Feuth, Y F Heijdra, J P L Slenders, J Doorduin, B G Van Engelen, M J Kampelmacher, J Raaphorst
BACKGROUND: Non-invasive ventilation (NIV) improves survival and quality of life in amyotrophic lateral sclerosis (ALS) patients. The timing of referral to a home ventilation service (HVS), which is in part based on respiratory function tests, has shown room for improvement. It is currently unknown which respiratory function test predicts an appropriate timing of the initiation of NIV. METHODS: We analysed, retrospectively, serial data of five respiratory function tests: forced vital capacity (FVC), peak cough flow (PCF), maximum inspiratory and expiratory pressure (MIP and MEP) and sniff nasal inspiratory pressure (SNIP) in patients with ALS...
July 25, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28732433/the-effect-of-salt-space-on-clinical-findings-and-peak-expiratory-flow-in-children-with-mild-to-moderate-asthma-a-randomized-crossover-trial
#2
Saeideh Mazloomzadeh, Niousha Bakhshi, Akefeh Ahmadiafshar, Mehdi Gholami
The asthma treatment and control might be associated with significant burden on family and community' thus exploring other therapeutic plans could be desirable. The aim of this study was to investigate the effect of salt space on clinical findings and peak expiratory flow rate among children with asthma. In this randomized crossover trial, 34 patients aged 6-14 years old with mild to moderate asthma were selected and randomly divided into two groups. The first group went through a period of salt therapy by staying in the salt room for one hour, three times a week for 3 consecutive weeks and then was under observation for three weeks...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28728441/ability-of-pulmonary-function-decline-to-predict-death-in-amyotrophic-lateral-sclerosis-patients
#3
Irina Enache, Cristina Pistea, Marie Fleury, Mickael Schaeffer, Monique Oswald-Mammosser, Andoni Echaniz-Laguna, Christine Tranchant, Nicolas Meyer, Anne Charloux
OBJECTIVES: Objectives were to evaluate the relative risk of death associated with lung function decline in patients with amyotrophic lateral sclerosis (ALS), and to examine the ability of ALS patients to perform volitional pulmonary function tests (PFTs). METHODS: The PFTs of 256 consecutive patients referred to the Strasbourg University Hospital ALS Centre over an eight-year period were reviewed. Slow vital capacity (VC), maximal inspiratory and expiratory pressures (MIP, MEP), sniff nasal inspiratory pressure (SNIP), and peak cough flow (PCF) were performed at diagnosis and then every four months...
July 20, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28725446/sound-a-non-invasive-measure-of-cough-intensity
#4
Kai K Lee, Sergio Matos, Katie Ward, Gerrard F Rafferty, John Moxham, David H Evans, Surinder S Birring
INTRODUCTION: Cough intensity is an important determinant of cough severity reported by patients. Cough sound analysis has been widely validated for the measurement of cough frequency but few studies have validated its use in the assessment of cough strength. We investigated the relationship between cough sound and physiological measures of cough strength. METHODS: 32 patients with chronic cough and controls underwent contemporaneous measurements of voluntary cough sound, flow and oesophageal pressure...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28715529/changes-in-peak-airflow-measurement-during-maximal-cough-after-vocal-fold-augmentation-in-patients-with-glottic-insufficiency
#5
Gregory R Dion, Efstratios Achlatis, Stephanie Teng, Yixin Fang, Michael Persky, Ryan C Branski, Milan R Amin
Importance: Compromised cough effectiveness is correlated with dysphagia and aspiration. Glottic insufficiency likely yields decreased cough strength and effectiveness. Although vocal fold augmentation favorably affects voice and likely improves cough strength, few data exist to support this hypothesis. Objective: To assess whether vocal fold augmentation improves peak airflow measurements during maximal-effort cough following augmentation. Setting, Design, Participants: This case series study was conducted in a tertiary, academic laryngology clinic...
July 13, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28698267/clinical-criteria-for-tracheostomy-decannulation-in-subjects-with-acquired-brain-injury
#6
Claudia Enrichi, Irene Battel, Cristiano Zanetti, Isabella Koch, Laura Ventura, Katie Palmer, Francesca Meneghello, Francesco Piccione, Simonetta Rossi, Marta Lazzeri, Maurizio Sommariva, Andrea Turolla
BACKGROUND: Patients with acquired brain injury (ABI) often require long periods of having a tracheostomy tube for airway protection and prolonged mechanical ventilation. It has been recognized that fast and safe decannulation improves outcomes and facilitates the recovery process. Nevertheless, few studies have provided evidence for decannulation criteria, despite the high prevalence of ABI subjects with tracheostomies. The aim of our study was to assess which clinical parameters are the best predictors for decannulation in subjects with ABI...
July 11, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28635194/volitional-rehabilitative-assessments-in-patients-admitted-in-a-post-intensive-care-step-down-unit-a-feasibility-study
#7
Mara Paneroni, Francesco D' Abrosca, Georges Fokom, Laura Comini, Michele Vitacca
A high variability in functional tests and activities used during the pulmonary rehabilitation has been observed in post-intensive care unit (ICU) patients, and the best battery of tests to adopt has not been described yet. We tested in patients admitted in a post-ICU Step Down Unit the ability to perform the more frequent functional volitional tests. The relations of each single volitional test with general disability and dyspnea at discharge were also evaluated. Ten volitional tests including: bedside spirometry test (ST: FEV1%, FVC%), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), Peak Expiratory Flow during Cough (PCEF), Quadriceps Muscle Strength (QMS), latissimus Dorsi and teres Major Strength (DMS), Brachial biceps Muscle Strength (BMS), effort tolerance measured by sit-to-stand test, Takahashi test and 6-Min Walking Test (6MWT), were evaluated in post-ICU patients at entry and discharge from in-hospital rehabilitation...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28614985/stimulation-of-abdominal-and-upper-thoracic-muscles-with-surface-electrodes-for-respiration-and-cough-acute-studies-in-adult-canines
#8
James S Walter, Joseph Posluszny, Raymond Dieter, Robert S Dieter, Scott Sayers, Kiratipath Iamsakul, Christine Staunton, Donald Thomas, Mark Rabbat, Sanjay Singh
OBJECTIVE: To optimize maximal respiratory responses with surface stimulation over abdominal and upper thorax muscles and using a 12-Channel Neuroprosthetic Platform. METHODS: Following instrumentation, six anesthetized adult canines were hyperventilated sufficiently to produce respiratory apnea. Six abdominal tests optimized electrode arrangements and stimulation parameters using bipolar sets of 4.5 cm square electrodes. Tests in the upper thorax optimized electrode locations, and forelimb moment was limited to slight-to-moderate...
June 14, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28612098/measurement-of-the-maximum-frequency-of-electroglottographic-fluctuations-in-the-expiration-phase-of-volitional-cough-as-a-functional-test-for-cough-efficiency
#9
Toshihiko Iwahashi, Makoto Ogawa, Kiyohito Hosokawa, Chieri Kato, Hidenori Inohara
The hypotheses of the present study were that the maximum frequency of fluctuation of electroglottographic (EGG) signals in the expiration phase of volitional cough (VC) reflects the cough efficiency and that this EGG parameter is affected by impaired laryngeal closure, expiratory effort strength, and gender. For 20 normal healthy adults and 20 patients diagnosed with unilateral vocal fold paralysis (UVFP), each participant was fitted with EGG electrodes on the neck, had a transnasal laryngo-fiberscope inserted, and was asked to perform weak/strong VC tasks while EGG signals and a high-speed digital image of the larynx were recorded...
June 13, 2017: Dysphagia
https://www.readbyqxmd.com/read/28597697/effectiveness-of-assisted-and-unassisted-cough-capacity-in-amyotrophic-lateral-sclerosis-patients
#10
Jesús Sancho, Emilio Servera, Pilar Bañuls, Julio Marín
Decreased cough capacity during a respiratory infection is one of the main causes of acute respiratory failure and hospitalisation in amyotrophic lateral sclerosis (ALS). OBJECTIVE: To determine whether a respiratory measurement could identify the effectiveness of cough capacity in ALS during a respiratory infection. METHODS: This was a prospective study of all ALS patients who were treated at a respiratory care unit due to a respiratory infection from 2012 to 2016...
June 9, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28588895/evaluation-of-cough-peak-expiratory-flow-as-a-predictor-of-successful-mechanical-ventilation-discontinuation-a-narrative-review-of-the-literature
#11
REVIEW
Chuan Jiang, Antonio Esquinas, Bushra Mina
A crucial step in the transition from mechanical ventilation to extubation is the successful performance of a spontaneous breathing trial (SBT). The American College of Chest Physicians (ACCP) Guidelines recommend removal of the endotracheal tube upon successful completion of a SBT. However, this does not guarantee successful extubation as there remains a risk of re-intubation. Guidelines have outlined ventilator liberation protocols, selected use of non-invasive ventilation on extubation, early mobilization, and dynamic ventilator metrics to prevent and better predict extubation failure...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28586724/sub-1min-separation-in-sequential-injection-chromatography-for-determination-of-synthetic-water-soluble-dyes-in-pharmaceutical-formulation
#12
Polina Davletbaeva, Petr Chocholouš, Andrey Bulatov, Dalibor Šatínský, Petr Solich
Sequential Injection Chromatography (SIC) evolved from fast and automated non-separation Sequential Injection Analysis (SIA) into chromatographic separation method for multi-element analysis. However, the speed of the measurement (sample throughput) is due to chromatography significantly reduced. In this paper, a sub-1min separation using medium polar cyano monolithic column (5mm×4.6mm) resulted in fast and green separation with sample throughput comparable with non-separation flow methods The separation of three synthetic water-soluble dyes (sunset yellow FCF, carmoisine and green S) was in a gradient elution mode (0...
September 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28586526/weaning-attempts-cough-strength-and-albumin-are-independent-risk-factors-of-reintubation-in-medical-patients
#13
Meiling Xiao, Jun Duan
BACKGROUND: Reintubation is associated with increased hospital mortality. It is necessary to identify risk factors associated with reintubation. METHODS: A prospective observational study was performed in a respiratory intensive care unit. Medical patients who successfully completed a spontaneous breathing trial (SBT) were enrolled. Before extubation, age, gender, vital signs, acute physiology and chronic health evaluation II (APACHE II) score, SBT attempts, cough peak flow, arterial blood gas tests, and albumin were recorded...
June 6, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28550928/effectiveness-of-continuous-wound-infusion-of-local-anesthetics-after-abdominal-surgeries
#14
Baskaran Dhanapal, Sarath Chandra Sistla, Ashok Shankar Badhe, Sheikh Manwar Ali, Niranjan T Ravichandran, Indira Galidevara
BACKGROUND: To assess the effectiveness of continuous preperitoneal wound infusion of local anesthetic drug bupivacaine in providing pain relief, reducing opioid consumption, and enhancing postoperative recovery. METHODS: Eligible patients were randomly allocated to two groups (study group: bupivacaine and control group: normal saline). There were 47 patients in each group. The patients received continuous infusion of either 0.25% bupivacaine or 0.9% normal saline at 6 mL/h, for 48 h, based on their group allocation, through a multiholed wound infiltration catheter placed preperitoneally...
May 15, 2017: Journal of Surgical Research
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
#15
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
#16
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
#17
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
#18
COMPARATIVE STUDY
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
#19
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
#20
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
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