Effects of Respiratory Training on Pulmonary Function, Cough, and Functional Independence in Patients with Amyotrophic Lateral Sclerosis

Overview

Journal Neurol Int

Publisher MDPI

Specialty Neurology

Date 2024 Nov 25

PMID 39585060

Authors

Eleonora Magni

Anja Hochsprung

Rocio Caceres-Matos

Manuel Pabon-Carrasco

Beatriz Heredia-Camacho

Ignacio Solis-Marcos

Carlos Luque-Moreno

Affiliations

Soon will be listed here.

Abstract

Background: Respiratory complications in patients with amyotrophic lateral sclerosis (ALS), due to the involvement of respiratory muscles, are the leading cause of death, and respiratory physiotherapy (RP) focuses on addressing these complications.

Objectives: The objective was to evaluate the effectiveness of an RP intervention that combines the four specific techniques (inspiratory muscle training, lung volume recruitment, manually assisted coughing, and diaphragmatic breathing training) in patients with ALS.

Methods: A quasi-experimental study was carried out, and a specific RP programme was implemented in 15 patients with ALS (12 sessions, 30 min/session, one session/week, duration of three months), based on directed ventilation techniques, lung volume recruitment, manually assisted coughing, and the use of incentive spirometry and a cough assist device, along with a daily home exercise programme. Respiratory functions were assessed (pre- and post-intervention, with follow-up at three months) using Forced Vital Capacity (FVC) and Peak Expiratory Cough Flow (PECF); functionality was assessed using the Revised ALS Functional Rating Scale (ALSFRS-R) and the Modified Barthel Index by Granger.

Results: FVC experienced an increase after three months of the intervention initiation ( = 0.30), which was not sustained at the three-month follow-up after the intervention ended. All other variables remained practically constant after treatment, with their values decreasing at follow-up.

Conclusion: A specific RP intervention could have beneficial effects on respiratory functions, potentially preventing pulmonary infections and hospitalisations in patients with ALS. It may improve FVC and help stabilize the patient's functional decline. Considering the progressive and degenerative nature of the disease, this finding could support the usefulness of these techniques in maintaining respiratory function.

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