Being
able to predict an individual's potential for recovery of motor
function after stroke may facilitate the use of more effective targeted
rehabilitation strategies, and management of patient expectations and
goals. This review summarises developments since 2010 of approaches
based on clinical, neurophysiological and neuroimaging measures for
predicting individual patients’ potential for upper limb recovery.
Clinical assessments alone have low prognostic accuracy. Transcranial magnetic stimulation
can be used to assess the functional integrity of the corticomotor
pathway, and has some predictive value but is not superior when used in
isolation due to its low negative predictive value. Neuroimaging
measures can be used to assess the structural integrity of descending
white matter tracts. Recent studies indicate that the integrity of
corticospinal and alternate motor tracts in both hemispheres may be
useful predictors of motor recovery after stroke. The PREP algorithm is
currently the only sequential algorithm that combines clinical,
neurophysiological and neuroimaging measures at the sub-acute stage to
predict the potential for subsequent recovery of upper limb function.
Future research could determine if a similar algorithmic approach may be
useful for predicting the recovery of gait after stroke.
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