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Abstract
BACKGROUND: Pulmonary rehabilitation (PR) is useful in survivors of COVID-19-associated acute respiratory failure (ARF). The aim of this retrospective study on in-patient PR was to report rehabilitative trajectories and effects of cycle training.
METHODS: According to the Short Physical Performance Battery (SPPB) score at admission (T0), participants were allocated to stage 1 (SPPB < 6), stage 2 (SPPB ≥ 6 and < 10), or stage 3 (SPPB ≥ 10) and performed increasing level of activities from passive exercises to free walking, balance exercises, strength exercises, and tailored cycle-ergometer endurance training. The primary outcome was SPPB. 6-min walk distance (6MWD), Medical Research Council score, Barthel dyspnea index, and rate of subjects able to cycling were also assessed.
RESULTS: Data of 123 participants were analyzed. At T0, 44 (35.8%), 50 (40.6%), and 29 (23.6%) participants were allocated to stages 1–3, respectively. At discharge, participants showed significant improvements in SPPB, independent of the initial stage, 81 (65.8%) improving more than its minimal clinically important difference. At T1, the proportion of participants in stages 1 and 2 decreased, whereas significantly increased in stage 3 (P = .003), (being 9.8%, 33.3%, and 56.9% for stages 1–3, respectively; P <.001). Sixty-nine of 123 participants (56.1%) underwent cycle exercise training. In participants able to perform it, 6MWD improved by 115 (65–240) m and 60 (40–118) m in participants with and without exercise-induced desaturation, respectively, with significant difference between groups (P = .044).
CONCLUSIONS: In-patient PR could be tailored and progressively increased to survivors of COVID-19-associated ARF; cycle training was feasible in half of the participants. Benefits were independent of initial stage of physical performance and allowed participants to move from lower to higher levels of activities.
Footnotes
- Correspondence: Michele Vitacca MD, Respiratory Rehabilitation Department, Istituti Clinici Scientifici Maugeri IRCCS, Via Salvatore Maugeri 4, 27100 Pavia, Italy. E-mail: michele.vitacca{at}icsmaugeri.it
The authors have disclosed no conflicts of interest.
This work was supported by the “Ricerca Corrente” funding scheme of the Italian Ministry of Health.
- Copyright © 2022 by Daedalus Enterprises
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