Association between superior longitudinal fasciculus, motor recovery, and motor outcome after stroke: a cohort study

被引:0
|
作者
Jacquemont, Thomas [1 ,2 ]
Valabregue, Romain [3 ]
Daghsen, Lina [1 ,2 ]
Moulton, Eric [1 ]
Zavanone, Chiara [2 ,4 ]
Lamy, Jean Charles [1 ,3 ]
Rosso, Charlotte [1 ,2 ,5 ]
机构
[1] Sorbonne Univ, Inst Cerveau & Moelle Epiniere, Inserm, CNRS,UMR 7225,U 1127,ICM, Paris, France
[2] ICM, STARE Team, Inst Cerveau & Moelle Epiniere, iCRIN, Paris, France
[3] ICM, Ctr Neuro Imagerie Rech, CENIR, Paris, France
[4] Hop La Pitie Salpetriere, APHP, Serv Soins Suite & Reeduc, Paris, France
[5] Hop La Pitie Salpetriere, APHP, Urgences Cerebro Vasc, Paris, France
来源
FRONTIERS IN NEUROLOGY | 2023年 / 14卷
关键词
stroke; motor recovery; motor outcome; superior longitudinal fasciculus; fractional anisotropy; diffusion tensor; CORTICOSPINAL TRACT; WALLERIAN DEGENERATION; PREDICTION; ORGANIZATION; CONNECTIONS; CORTEX;
D O I
10.3389/fneur.2023.1157625
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
IntroductionParieto-frontal interactions are mediated by the superior longitudinal fasciculus (SLF) and are crucial to integrate visuomotor information and mediate fine motor control. In this study, we aimed to characterize the relation of white matter integrity of both parts of the SLF (SLF I and SLF II) to both motor outcome and recovery and its evolution over time in stroke patients with upper limb motor deficits. Materials and methodsFractional anisotropy (FA) values over the SLF I, SLF II, and corticospinal tract (CST) and upper limb motor performance evaluated by both the upper limb Fugl-Meyer Assessment score and maximum grip strength were measured for 16 patients at 3 weeks, 6 weeks, and 12 weeks poststroke. FA changes were assessed over time using repeated-measures Friedman ANOVA, and correlations between motor recovery, motor outcome at 12 weeks, and FA values in the CST, SLF I, and SLF II at 3 weeks were performed using Spearman's rank-order correlation. ResultsFA values in the affected hemisphere's SLF I and SLF II at 3 weeks correlated with motor recovery at 12 weeks when assessed by the Fugl-Meyer Assessment for upper limb extremity (rho: 0.502, p: 0.04 and rho: 0.510, p: 0.04, respectively) but not when assessed by grip strength. FA values in the SLF I and SLF II were not correlated with motor outcomes. FA values in the SLF II in the affected hemisphere changed significantly over time (p: 0.016). ConclusionBoth SLF I and SLF II appeared to participate in poststroke motor recovery of complex movements but not in the motor outcome. These results argue that visually/spatially oriented motor tasks as well as more complex motor tasks using parietal associative areas should be used for poststroke rehabilitation strategies.
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页数:9
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