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Peak In- and Expiratory Flow Revisited Vrije Universiteit Brussel
BACKGROUND: While peak in- and expiratory flow rates offer valuable information for diagnosis and monitoring in respiratory disease, these indices are usually considered too variable to be routinely used for quantification in clinical practice.
OBJECTIVES: The aim of the study was to obtain reproducible measurements of maximal inspiratory flow rates and to construct reference equations for peak in- and expiratory flows (PIF and ...
Inspiratory flow rates at different levels of resistance in elderly COPD patients KU Leuven
Dry powder inhalers (DPIs) are increasingly replacing metered dose inhalers in elderly chronic obstructive pulmonary disease (COPD) patients. However, most DPIs are dependent on inspiratory flow, which is compromised by the ageing process itself. Using the in-check dial method, the present study compared peak inspiratory flow (PIF) rates in 26 elderly COPD patients and 14 matched control subjects, at a pre-set resistance level of the Aeroliser, ...
Fluid-structure interaction modeling of peak expiratory-inspiratory flow in a stented upper airway using experimental data Universiteit Antwerpen
A precise understanding of stent deformation in the upper respiratory tract is important in analyzing critical and dangerous effects of stent displacement on suffocation. Coughing and sneezing cause significant muscular respiratory reflexes in the body. Peak Expiratory Flow (PEF) from the mouth during coughing and sneezing was determined using spirometry to determine the boundary conditions for a mathematical model. Then, using the ...
Measurement validity of an electronic training device to assess breathing characteristics during inspiratory muscle training in patients with weaning difficulties KU Leuven
Inspiratory muscle training (IMT) improves respiratory muscle function and might enhance weaning outcomes in patients with weaning difficulties. An electronic inspiratory loading device provides valid, automatically processed information on breathing characteristics during IMT sessions. Adherence to and quality of IMT, as reflected by work of breathing and power generated by inspiratory muscles, are related to improvements in inspiratory muscle ...
Physiology and Acoustics of Inspiratory Phonation KU Leuven Universiteit Gent
INTRODUCTION: Inspiratory phonation (IP) means phonating with inspiratory airflow. Some vocalists remarkably master this technique, to such an extent that it offers new dramatic, aesthetic, and functional possibilities in singing specific contemporary music. The present study aims to a better understanding of the physiological backgrounds of IP. MATERIAL AND METHODS: A total of 51 inhaling utterances were compared with 61 exhaling utterances in ...
The effect of CPAP on the upper airway and ventilatory flow in patients with obstructive sleep apnea Universiteit Antwerpen
Background Continuous positive airway pressure (CPAP) is the mainstay of treatment for obstructive sleep apnea (OSA). However, data about its effect on the upper airway, especially the epiglottis, are scarce. The aim of this study was to investigate the changes in upper airway dimensions and inspiratory flow in response to incremental pressure levels. Methods This is a secondary analysis of a prospective clinical trial in which patients with ...
Getting the Most out of Spirometry: A Tool to Guide Dry Powder Inhaler Use Vrije Universiteit Brussel
Background: Dry powder inhaler (DPI) use requires sufficient peak inspiratory flow over the DPI internal resistance (PIFR). Objectives: We examined whether spirometric peak inspiratory flow (PIFspiro) could serve to predict PIFR in patients with obstructive lung disease. Method: Thirty healthy nonsmokers and 140 stable outpatients (70 COPD, 70 asthma) performed spirometry according to the 2019 ERS/ATS spirometry update, yielding PIFspiro. ...
Assessment of sleep impairment in persistent allergic rhinitis patients using polysomnography Universiteit Gent
Physical Therapist Management of COVID-19 in the Intensive Care Unit: The West China Hospital Experience KU Leuven
OBJECTIVE: Coronavirus disease 2019 (COVID-19) has dominated the attention of health care systems globally since January 2020. Various health disciplines, including physical therapists, are still exploring the best way to manage this new disease. The role and involvement of physical therapists in the management of COVID-19 are not yet well defined and are limited in many hospitals. This article reports a physical therapy service specially ...