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Letter to the Editor Regarding "Instrumental Assessment of Aero-Resistive Expiratory Muscle Strength Rehabilitation
Nina Bausek1, Robert J Arnold2
1Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN.
Abstract:
This Letter to the Editor was created in response to the article titled, "Instrumental Assessment of Aero-Resistive Expiratory Muscle Strength Rehabilitation Devices" by Dietsch et al. (2024). The article aims to compare six expiratory muscle strength training (EMST) devices and investigates their minimum trigger pressure, variability across the settings, and stability. The models tested include five positive expiratory pressure (PEP) devices, Acapella, TheraPEP, Threshold PEP, EMST75, and EMST150. It also includes a combined inspiratory and expiratory muscle training device, the Breather. We have several concerns about the integrity of results presented regarding the Breather as presented in the article. These include the heterogeneity of device sample used, as well as inadequate methodology and the experimental setup.
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