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The present study was aimed at evaluating the effects of a specific inspiratory muscle training protocol on the structure of inspiratory muscles in patients with chronic obstructive pulmonary disease. Fourteen patients (males, FEV1, 24 +/- 7% predicted) were randomized to either inspiratory muscle or sham training groups. Supervised breathing using a(More)
UNLABELLED The most common symptoms in chronic obstructive pulmonary disease (COPD) patients are breathlessness and exercise limitation. Although both general and inspiratory muscle training have shown clinical benefits, the effects of specific expiratory muscle training remain controversial. OBJECTIVE To investigate the effects of expiratory training on(More)
In some trained athletes, maximal exercise ventilation is believed to be constrained by expiratory flow limitation (FL). Using the negative expiratory pressure method, we assessed whether FL was reached during a progressive maximal exercise test in 10 male competition cyclists. The cyclists reached an average maximal O2 consumption of 72 ml. kg-1. min-1(More)
1. Servei de Pneumologia, Hospital del Mar. Grup de Recerca de Pneumologia, Unitat de Recerca Respiratòria i Ambiental (URRA), IMIM. Universitat Autónoma de Barcelona and CEXS-Universitat Pompeu Fabra. Barcelona. Spain. 2. Servei de Pneumologia, Hospital de la Santa Creu i Sant Pau. Universitat Autònoma de Barcelona. Spain. 3. Preliminary results presented(More)
BACKGROUND AND OBJECTIVES Dynamic hyperinflation (DH) and expiratory flow limitation (EFL) are physiologically linked and seem to be involved in the genesis of dyspnea and the quality of life (QL) impairment in chronic obstructive pulmonary disease (COPD). Advanced COPD patients often show expiratory muscles dysfunction that could be involved in DH(More)
This study presents results for the estimation of impinging waves’ delay, azimuth, elevation and complex amplitude in synthetic and real time-invariant mobile radio environments, using the Space-Alternating Generalized Expectation-Maximization (SAGE) algorithm. The minimum separation between two waves needed to obtain acceptable estimations is investigated(More)
Oxygen therapy for patients with sleep apnea-hypopnea syndrome (SAHS) usually causes significant side effects. The aim of this study was to assess the effect of short-term nocturnal oxygen therapy in patients with SAHS and chronic obstructive pulmonary disease. Ten patients with diagnoses of SAHS were enrolled. The patients' mean age was 63 (10) years, mean(More)
This paper focuses on results obtained in the ACTS SAMBA project. The project’s main objective was the implementation of a Trial Platform providing a full duplex radio link of 34 Mbit/s to prove the technical feasibility with today’s technology and to evaluate the main MBS functionality for the public cellular MBS segment. Thus, extensive field trials were(More)
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