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| http://dx.doi.org/10.1183/23120541.00324-2022 | DOI Listing |
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Oscillatory airflow through the hypopharyngeal and supraglottic airway.
Comput Methods Biomech Biomed Engin
October 2024
School of Science and Engineering, University of Dundee, Dundee, UK.
Article Synopsis
- Exercise-induced laryngeal obstruction (EILO) is a condition causing breathing difficulties during exercise, linked to collapsing laryngeal tissues due to inadequate mechanical resistance.
- This study aims to understand how oscillatory airflow (which varies with breathing patterns) affects the forces and pressure on the laryngeal airway, contrasting with previous research focused only on steady airflow.
- The results show that the distribution of airflow velocity and forces on the upper respiratory tract changes with different breathing frequencies and intensities, indicating that stronger breathing influences laryngeal closure in EILO more than the rate of breathing itself.
Cardiopulmonary Profiling of Athletes with Post-Exertional Malaise after COVID-19 Infection-A Single-Center Experience.
J Clin Med
June 2023
Department of Cardiology and Vascular Medicine, West German Heart- and Vascular Center, University Hospital Essen, University Duisburg-Essen, Hufelandstrasse 55, 45147 Essen, Germany.
(1) Background: Cardiopulmonary exercise testing (CPET) has been suggested by the European Society of Cardiology (ESC) for assessing the exercise limitations of apparently healthy individuals, but data on elite athletes regarding this test are scarce. (2) Methods: We analyzed CPET in elite (n = 43, 21.9 ± 3.
View Article and Find Full Text PDFInfluence of exertional oscillatory breathing and its temporal behavior in patients with heart failure and reduced ejection fraction.
Int J Cardiol
July 2023
Centro Cardiologico Monzino, IRCCS, Milan, Italy.; Dept. of Clinical sciences and Community health, Cardiovascular Section, University of Milano, Milan, Italy.. Electronic address:
Article Synopsis
- This study examines exertional oscillatory breathing (EOV) as a potential indicator of prognosis in heart failure patients with reduced ejection fraction (HFrEF), focusing on how EOV changes during cardiopulmonary exercise tests (CPET).
- Data from 1,866 HFrEF patients were analyzed, revealing that those with EOV experienced worse clinical outcomes, particularly over a 5-year period, compared to those without EOV.
- Although EOV indicates a more severe progression of heart failure, the persistence of EOV did not prove to be a stronger predictor of cardiovascular outcomes than early cessation of EOV.
When engineering meets medicine: «Loop gain» analysis vs visual diagnosis of exertional oscillatory ventilation.
Eur J Prev Cardiol
February 2023
Department of Cardiology, Clinic Gais, CH-9056 Gais, Switzerland.
Exertional oscillatory ventilation in subjects without heart failure reporting chronic dyspnoea.
ERJ Open Res
January 2023
Division of Respirology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
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