Article Dans Une Revue Medicine and Science in Sports and Exercise Année : 2025

Recovery of Fatigue, Cardiorespiratory Fitness, and Neuromuscular Function in Covid-19 ICU Patients: A 6-Month Follow-Up Study

Djahid Kennouche
Clément Foschia
  • Fonction : Auteur
Callum Brownstein
Julien Gondin
Diana Rimaud
  • Fonction : Auteur
Nicolas Royer
  • Fonction : Auteur
Vincent Gauthier
  • Fonction : Auteur
Lydia Oujamaa
  • Fonction : Auteur
Marine Sorg
  • Fonction : Auteur
Samuel Vergès
  • Fonction : Auteur
Stéphane Doutreleau
  • Fonction : Auteur
Mathieu Marillier
  • Fonction : Auteur
Mélanie Prudent
  • Fonction : Auteur
Laurent Bitker
Léonard Féasson
Laurent Gergelé
  • Fonction : Auteur
Emeric Stauffer
  • Fonction : Auteur
Céline Guichon
  • Fonction : Auteur
Jérôme Morel
  • Fonction : Auteur
Guillaume Millet

Résumé

ABSTRACT Purpose Although most patients recover well from Covid-19 infection, this may not be the case of those who experienced severe dysfunction after being admitted to intensive care unit (ICU). This study aimed to assess the recovery of patients who experienced severe multiple dysfunctions after being admitted to intensive care unit (ICU) for Covid-19 infection. Methods Forty-seven patients hospitalized and mechanically ventilated in ICU for SARS-CoV-2 infection underwent evaluations at 4-8 weeks (T1) and 6 months (T2) post ICU discharge. Evaluations included questionnaires, lung function tests, incremental cardiopulmonary exercise testing, and neuromuscular function tests. Results From T1 to T2, the percentage of patients classified as fatigued decreased from 56% to 21% whereas forced vital capacity and the forced expiratory volume in one second increased by 13% and 8% (p < 0.05) to reach 93% and 95% of predicted values at T2, respectively. Peak work rate also increased from 97 to 135 W (+35 ± 32%, p < 0.001). Likewise, V̇O 2 peak increased from 18.3 to 21.6 ml/min/kg (+18 ± 27%, p < 0.001) to reach 72% of predicted values. Maximal strength and the number of contractions during the fatigability test increased between T1 and T2 by 41% and 39%, respectively (both p < 0.001). Conclusions Six months of recovery improved patients' physical function and reduced fatigue.

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Dates et versions

hal-05185961 , version 1 (25-07-2025)

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Djahid Kennouche, Clément Foschia, Callum Brownstein, Julien Gondin, Thomas Lapole, et al.. Recovery of Fatigue, Cardiorespiratory Fitness, and Neuromuscular Function in Covid-19 ICU Patients: A 6-Month Follow-Up Study. Medicine and Science in Sports and Exercise, 2025, ⟨10.1249/MSS.0000000000003789⟩. ⟨hal-05185961⟩
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