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Chest vibration

D Haas, R Birk, J T Maurer, K Hörmann, B A Stuck, J U Sommer
BACKGROUND: Positional obstructive sleep apnea (POSA) is common in mild and moderate forms of obstructive sleep apnea (OSA). Two smartphone applications (apps) professing to avoid the supine position (SP) are available: for Android the "Apnea Sleep Position Trainer" and for iOS the "SomnoPose-Sleep Position Monitor". The smartphone needs to be attached to the chest to recognize SP, which then triggers a vibration alarm. This is intended to encourage the patient to change position and the vibration stops as soon as SP is left...
January 20, 2017: HNO
Jirakrit Leelarungrayub, Thirasak Borisuthibandit, Araya Yankai, Kritsana Boontha
OBJECTIVE: This study aimed to show the changes in oxidative stress and clinical condition from either chest physical therapy (CPT) or CPT with aerosol treatment in infant patients with pneumonia. METHODS: From 52 intubated patients, three groups were composed: groups A, B, and C comprising 21 patients aged 5.3±0.6 months (CPT program), 20 patients aged 5.6±0.7 months (aerosol treatment before CPT program), and eleven patients aged 5.0±0.35 months (control), respectively...
2016: Therapeutics and Clinical Risk Management
Abdul Qadir Javaid, Hazar Ashouri, Alexis Dorier, Mozziyar Etemadi, J Alex Heller, Shuvo Roy, Omer T Inan
GOAL: Our objective is to provide a framework for extracting signals of interest from the wearable seismocardiogram (SCG) measured during walking at normal (subject's preferred pace) and moderately-fast (1.34 - 1.45 m/s) speeds. METHODS: We demonstrate, using empirical mode decomposition (EMD) and feature tracking algorithms, that the pre-ejection period (PEP) can be accurately estimated from a wearable patch that simultaneously measures electrocardiogram (ECG) and sternal acceleration signals...
August 16, 2016: IEEE Transactions on Bio-medical Engineering
Alexander Mayr
Several historical sources from the first half of the 19th century mention a distinct third register mechanism particular to tenor voices of that period. This so-called voce faringea-often described as an "intermediate" register-is a virtually forgotten historical singing practice used to extend the upper range of the voice, where the singer modifies falsetto, typically a weak and often feminine sound, into a more powerful, tenor-like vocal quality. Based on an evaluation of historical voice register theories, training strategies, and the sound ideals of the historical period, an informed discussion of that technique is developed...
July 15, 2016: Journal of Voice: Official Journal of the Voice Foundation
Xiaoming Zhang, Thomas Osborn, Sanjay Kalra
The purpose of this work was to demonstrate an ultrasound based surface wave elastography (SWE) technique for generating and detecting surface waves on the lung. The motivation was to develop a noninvasive technique for assessing superficial lung tissue disease including interstitial lung disease (ILD). ILD comprises a number of lung disorders in which the lung tissue is stiffened and damaged due to fibrosis of the lung tissue. Currently, chest radiographs and computed tomography (CT) are the most common clinical methods for evaluating lung disease, but they are associated with radiation and cannot measure lung mechanical properties...
September 2016: Ultrasonics
Maíra Florentino Pessoa, Daniela Cunha Brandão, Rafaela Barros de Sá, Jacqueline de Melo Barcelar, Taciano Dias de Souza Rocha, Helga Cecília Muniz de Souza, Armele Dornelas de Andrade
BACKGROUND: Aging affects respiratory strength that could cause reduction in functional capacity and quality of life, playing a fundamental role in healthy aging and survival. To prevent these declines, the whole body vibration (WBV) has been proposed to increase strength and functional capacity. The aim of the study was to evaluate the effects of WBV on respiratory muscle strength, thoracoabdominal ventilation, and quality of life in the elderly adults. METHODS: This study was a controlled, randomized double-blind clinical trial...
July 6, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Akanksha Singh, R G Shiva Manjunath, Deepak Singla, Hirak S Bhattacharya, Arijit Sarkar, Neeraj Chandra
CONTEXT: Ultrasonic scaling is a routinely used treatment to remove plaque and calculus from tooth surfaces. These scalers use water as a coolant which is splattered during the vibration of the tip. The splatter when mixed with saliva and plaque of the patients causes the aerosol highly infectious and acts as a major risk factor for transmission of the disease. In spite of necessary protection, sometimes, the operator might get infected because of the infectious nature of the splatter...
March 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Susi Kriemler, Thomas Radtke, Gregor Christen, Marta Kerstan-Huber, Helge Hebestreit
PURPOSE: Exercise and chest physiotherapy are integral components of cystic fibrosis (CF) care. We aimed to determine short-term effects of a combined exercise-physiotherapy intervention, using either trampoline or cycle exercises compared to billiard (sham training) on sputum production, oxygen saturation (SaO2) and short-term lung function in participants with CF. METHODS: Twelve 16- to 29-year-old individuals with CF were randomly allocated to all 3 interventions on non-consecutive days of a week with exercise and physiotherapy parts lasting 30 min and breaks of 30 min after each procedure...
August 2016: Lung
Michel Cabillic, Pascal Gouilly, Gregory Reychler
BACKGROUND: The aim of this systematic literature review was to grade the levels of evidence of the most widely used manual airway clearance techniques. METHODS: A literature search was conducted over the period 1995-2014 from the Medline, PEDro, ScienceDirect, Cochrane Library, REEDOC and kinedoc databases, with the following keywords: "postural drainage", "manual vibrations", "manual chest percussion", "directed cough", "increased expiratory flow", "ELTGOL", "autogenic drainage" and "active cycle of breathing technique"...
April 13, 2016: Revue des Maladies Respiratoires
David R Temple, Beom-Chan Lee, Charles S Layne
The sensory re-weighting theory suggests unreliable inputs may be down-weighted to favor more reliable sensory information and thus maintain proper postural control. This study investigated the effects of tibialis anterior (TA) vibration on center of pressure (COP) motion in healthy individuals exposed to support surface translations to further explore the concept of sensory re-weighting. Twenty healthy young adults stood with eyes closed and arms across their chest while exposed to randomized blocks of five trials...
March 2016: Somatosensory & Motor Research
Marta Roqué i Figuls, Maria Giné-Garriga, Claudia Granados Rugeles, Carla Perrotta, Jordi Vilaró
BACKGROUND: This Cochrane review was first published in 2005 and updated in 2007, 2012 and now 2015. Acute bronchiolitis is the leading cause of medical emergencies during winter in children younger than two years of age. Chest physiotherapy is sometimes used to assist infants in the clearance of secretions in order to decrease ventilatory effort. OBJECTIVES: To determine the efficacy of chest physiotherapy in infants aged less than 24 months old with acute bronchiolitis...
February 1, 2016: Cochrane Database of Systematic Reviews
Marcel Mlynczak, Katarzyna Pariaszewska, Gerard Cybulski
Cough monitoring is an important element of the diagnostics of respiratory diseases. The European Respiratory Society recommends objective assessment of cough episodes and the search for methods of automatic analysis to make obtaining the quantitative parameters possible. The cough "events" could be classified by a microphone and a sensor that measures the vibrations of the chest. Analysis of the recorded signals consists of calculating the features vectors for selected episodes and of performing automatic classification using them...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Louise Warnock, Alison Gates
BACKGROUND: Chest physiotherapy is widely used in people with cystic fibrosis in order to clear mucus from the airways. This is an updated version of previously published reviews. OBJECTIVES: To determine the effectiveness and acceptability of chest physiotherapy compared to no treatment or spontaneous cough alone to improve mucus clearance in cystic fibrosis. SEARCH METHODS: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Trials Register which comprises references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings...
December 21, 2015: Cochrane Database of Systematic Reviews
Eliana Dirce Torres Khoury, Givago da Silva Souza, Carlos Araújo da Costa, Amélia Ayako Kamogari de Araújo, Cláudia Simone Baltazar de Oliveira, Luiz Carlos de Lima Silveira, Maria da Conceição Nascimento Pinheiro
The purpose of this work was to evaluate the somatosensory system of methylmercury-exposed inhabitants living in the communities of the Tapajós river basin by using psychophysical tests and to compare with measurements performed in inhabitants of the Tocantins river basin. We studied 108 subjects from Barreiras and São Luiz do Tapajós, two communities of the Tapajós river basin, State of Pará, Amazon, Brazil, aged 13-53 years old. Mercury analysis was performed in head hair samples weighting 0.1-0.2 g by using atomic absorption spectrometry...
2015: PloS One
Erna S Arnardottir, Bardur Isleifsson, Jon S Agustsson, Gunnar A Sigurdsson, Magdalena O Sigurgunnarsdottir, Gudjon T Sigurđarson, Gudmundur Saevarsson, Atli T Sveinbjarnarson, Sveinbjorn Hoskuldsson, Thorarinn Gislason
The objective of this study was to compare to each other the methods currently recommended by the American Academy of Sleep Medicine (AASM) to measure snoring: an acoustic sensor, a piezoelectric sensor and a nasal pressure transducer (cannula). Ten subjects reporting habitual snoring were included in the study, performed at Landspitali-University Hospital, Iceland. Snoring was assessed by listening to the air medium microphone located on a patient's chest, compared to listening to two overhead air medium microphones (stereo) and manual scoring of a piezoelectric sensor and nasal cannula vibrations...
April 2016: Journal of Sleep Research
Thomas Elgeti, Ingo G Steffen, Fabian Knebel, Robert Hättasch, Bernd Hamm, Jürgen Braun, Ingolf Sack
OBJECTIVES: The aim of this study was to investigate the diagnostic potential of changes in left ventricular (LV) shear wave amplitudes (SWAs) over the cardiac cycle measured by cardiac magnetic resonance elastography. MATERIALS AND METHODS: Electrocardiography-triggered SWA-based cardiac magnetic resonance elastography with 24.13-Hz external vibration frequency was performed in asymptomatic young (n = 10) and old (n = 10) subjects and patients (n = 30) with echocardiographically proven mild, moderate, or severe diastolic dysfunction...
January 2016: Investigative Radiology
Masayuki Kagawa, Hirokazu Tojima, Takemi Matsui
Full-night polysomnography (PSG) has been recognized as the gold standard test for sleep apnea-hypopnea syndrome (SAHS). However, PSG examinees are physically restrained for the full night by many contact sensors and obtrusive connecting cables, inducing mental stress. We developed a non-contact SAHS diagnostic system that can detect apneic events without inducing stress in monitored individuals. Two Doppler radars were installed beneath the mattress to measure the vibrations of the chest and abdomen, respectively...
May 2016: Medical & Biological Engineering & Computing
Ying Peng, Zoujun Dai, Hansen A Mansy, Brian M Henry, Richard H Sandler, Robert A Balk, Thomas J Royston
Many pulmonary injuries and pathologies may lead to structural and functional changes in the lungs resulting in measurable sound transmission changes on the chest surface. Additionally, noninvasive imaging of externally driven mechanical wave motion in the chest (e.g., using magnetic resonance elastography) can provide information about lung structural property changes and, hence, may be of diagnostic value. In the present study, a comprehensive computational simulation (in silico) model was developed to simulate sound wave propagation in the airways, lung, and chest wall under normal and pneumothorax conditions...
April 2016: Medical & Biological Engineering & Computing
Ting-Kai Leung, Wing P Chan, Chen-Jei Tai, Ting-Pin Cho, Jen-Chang Yang, Po-Tsung Lee
Bioceramic is a kind of material which emits nonionizing radiation and luminescence, induced by visible light. Bioceramic also facilitates the breakup of large clusters of water molecules by weakening hydrogen bonds. Hydrogen bond weakening, which allows water molecules to act in diverse ways under different conditions, is one of the key mechanisms underlying the effects of Bioceramic on biophysical and physical-chemical processes. Herein, we used sound to amplify the effect of Bioceramic and further developed an experimental device for use in humans...
2015: Evidence-based Complementary and Alternative Medicine: ECAM
D Snijders, B Fernandez Dominguez, S Calgaro, I Bertozzi, A Escribano Montaner, G Perilongo, A Barbato
Non-cystic fibrosis bronchiectasis (nCFb) is an acquired condition of variable etiology. An impaired mucociliary clearance seems to be one of the mechanisms behind nCFb, and treatment involves antibiotics, mucoactive agents, and airway clearance techniques (ACTs). Traditional ACTs have four components: postural drainage, percussion, vibration of the chest wall, and coughing. Reviewing the international medical literature on the use of ACTs for patients with nCFb from 1989 to the present day, we retrieved 93 articles, of which 35 met our selection criteria for this analysis...
June 2015: International Journal of Immunopathology and Pharmacology
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