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Updated: Sep 18, 2025

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
Hybrid Pulmonary Rehabilitation Improves Cardiorespiratory Exercise Fitness in Formerly Hospitalised Long COVID
Nikolaos Chynkiamis1,2, Angelos Vontetsianos1, Christina Anagnostopoulou1
1Rehabilitation Unit, 1st University Department of Respiratory Medicine, "Sotiria" Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece.
Abstract:
Background/Objectives: Supervised pulmonary rehabilitation (PR) is effective in improving cardiorespiratory fitness in non-hospitalised individuals with long COVID. However, there is limited evidence regarding PR-induced improvements in cardiorespiratory parameters in previously hospitalised COVID-19 survivors. This study aimed to investigate the effect of a hybrid PR programme (outpatient followed by a digital intervention) on exercise tolerance, cardiorespiratory adaptations, functional capacity and quality of life outcomes in previously hospitalised COVID-19 survivors. Methods: Forty-two patients (age (mean ± SD): 57 ± 12 yrs) with excessive fatigue due to long COVID (FACIT score (26 ± 10) were allocated to PR (n = 27) or usual care (UC) (n = 15) 140 ± 75 days from hospital discharge. PR consisted of 8 outpatient sessions (twice weekly for 4 weeks) followed by 24 home-based sessions (3 times/week for 8 weeks). Patients in the UC group were instructed to be physically active. Exercise tolerance was assessed by cardiopulmonary cycling testing to the limit of tolerance. Results: Following the completion of the hybrid PR programme, peak work rate (WRpeak) and peak oxygen uptake (VO2peak) were, respectively, improved in the PR group by 19 ± 10 Watt (p = 0.001) and by 2.4 ± 3.0 mL/kg/min (p = 0.001). Furthermore, in the PR group, the 6 min walk distance was increased by 72 ± 69 metres (p = 0.001). FACIT and mMRC scores were also improved in the PR group by 15 ± 10 (p = 0.001) and by 1.4 ± 1.0 (p = 0.001), respectively. In the UC group, only the mMRC score was improved by 0.7 ± 1.0 (p = 0.008). Conclusions: The application of a hybrid PR programme was beneficial in improving cardiorespiratory exercise fitness, functional capacity and quality of life in previously hospitalised COVID-19 survivors.
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