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Dai S, Piscicelli C, Lemaire C, et al. Recovery of balance and gait after stroke is deteriorated by confluent white matter hyperintensities: Cohort study. Ann Phys Rehabil Med. 2021;65(1):101488doi: 10.1016/j.rehab.2021.101488.
Dai, S., Piscicelli, C., Lemaire, C., Christiaens, A., Schotten, M. T., Hommel, M., Krainik, A., Detante, O., & Pérennou, D. (2021). Recovery of balance and gait after stroke is deteriorated by confluent white matter hyperintensities: Cohort study. Annals of physical and rehabilitation medicine, 65(1), 101488. https://doi.org/10.1016/j.rehab.2021.101488
Dai, Shenhao, et al. "Recovery of balance and gait after stroke is deteriorated by confluent white matter hyperintensities: Cohort study." Annals of physical and rehabilitation medicine vol. 65,1 (2021): 101488. doi: https://doi.org/10.1016/j.rehab.2021.101488
Dai S, Piscicelli C, Lemaire C, Christiaens A, Schotten MT, Hommel M, Krainik A, Detante O, Pérennou D. Recovery of balance and gait after stroke is deteriorated by confluent white matter hyperintensities: Cohort study. Ann Phys Rehabil Med. 2021 Nov 11;65(1):101488. doi: 10.1016/j.rehab.2021.101488. Epub 2021 Nov 11. PMID: 33450367.
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Ann Phys Rehabil Med. 2021 Nov 11;65(1):101488. doi: 10.1016/j.rehab.2021.101488. Epub 2021 Nov 11.

Recovery of balance and gait after stroke is deteriorated by confluent white matter hyperintensities: Cohort study.

Annals of physical and rehabilitation medicine

Shenhao Dai, Céline Piscicelli, Camille Lemaire, Adélie Christiaens, Michel Thiebaut de Schotten, Marc Hommel, Alexandre Krainik, Olivier Detante, Dominic Pérennou

Affiliations

  1. Neurorehabilitation Department, Institute of Rehabilitation, Grenoble-Alpes University Hospital, 38434 Échirolles, France; Laboratoire de psychologie et neurocognition, UMR CNRS 5105, University Grenoble-Alpes, Grenoble, France.
  2. Brain Connectivity and Behaviour Laboratory, Sorbonne Universities, 75013 Paris, France; Groupe d'imagerie neurofonctionnelle, institut des maladies neurodégénératives-UMR 5293, CNRS, CEA University of Bordeaux, 33000 Bordeaux, France.
  3. Stroke Unit, Neurology Department, Grenoble-Alpes University Hospital, 38043 Grenoble, France; AGEIS EA 7407, University Grenoble-Alpes, Grenoble, France.
  4. Department of Neuroradiology, Grenoble-Alpes University Hospital, 38043 Grenoble, France; Inserm, U 1216, Grenoble, France; Grenoble Institute of Neurosciences, University Grenoble-Alpes, 38042 Grenoble, France; Inserm, CNRS, IRMaGe, Grenoble-Alpes University Hospital, University Grenoble-Alpes, 38043 Grenoble, France.
  5. Stroke Unit, Neurology Department, Grenoble-Alpes University Hospital, 38043 Grenoble, France; Grenoble Institute of Neurosciences, University Grenoble-Alpes, 38042 Grenoble, France.
  6. Neurorehabilitation Department, Institute of Rehabilitation, Grenoble-Alpes University Hospital, 38434 Échirolles, France; Laboratoire de psychologie et neurocognition, UMR CNRS 5105, University Grenoble-Alpes, Grenoble, France. Electronic address: [email protected].

PMID: 33450367 DOI: 10.1016/j.rehab.2021.101488

Abstract

BACKGROUND: White matter hyperintensities (WMHs) are well known to affect post-stroke disability, mainly by cognitive impairment. Their impact on post-stroke balance and gait disorders is unclear.

OBJECTIVES: We aimed to test the hypothesis that WMHs would independently deteriorate post-stroke balance and gait recovery.

METHODS: This study was performed in 210 individuals of the cohort Determinants of Balance Recovery After Stroke (DOBRAS), consecutively enrolled after a first-ever hemisphere stroke. Clinical data were systematically collected on day 30±3 (D30) post-stroke and at discharge from the rehabilitation ward. WMHs were searched on MRI, graded with the Fazekas scale, and dichotomized as no/mild (absence/sparse) or moderate/severe (confluent). The primary endpoint was the recovery of the single limb stance, assessed with the Postural Assessment Scale for Stroke (PASS). The secondary endpoint was the recovery of independent gait, assessed with the modified Fugl-Meyer Gait Assessment (mFMA). The adjusted hazard ratios (aHRs) of achievements of these endpoints by level of WMHs were estimated by using Cox models, accounting for other relevant clinical and imaging factors.

RESULTS: Individuals with moderate/severe WMHs (n=86, 41%) had greater balance and gait disorders and were more often fallers than others (n=124, 59%). Overall, they had worse and slower recovery of single limb stance and independent gait (P<0.001). Moderate/severe WMHs was the most detrimental factor for recovery of balance (aHR 0.46, 95% confidence interval [CI] 0.32-0.68, P<0.001) and gait (0.51, 0.35-0.74, P<0.001), along with age, stroke severity, lesion volume and disrupted corticospinal tract. With cerebral infarct, endovascular treatments had an independent positive effect, both on the recovery of balance (aHR 1.65, 95% CI 1.13-2.4, P=0.009) and gait (1.78, 1.24-2.55, P=0.002).

CONCLUSIONS: WMHs magnify balance and gait disorders after stroke and worsen their recovery. They should be better accounted for in post-stroke rehabilitation, especially to help establish a prognosis of mobility. CLINICALTRIALS.

GOV REGISTRATION: NCT03203109.

Copyright © 2021. Published by Elsevier Masson SAS.

Keywords: Balance; Gait; Recovery; Single limb stance; White matter hyperintensities

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