Delayed gait recovery in a stroke patient
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Abstract:
We report on a stroke patient who showed delayed gait recovery between 8 and 11 months after the onset of intracerebral hemorrhage. This 32-year-old female patient underwent craniotomy and drainage for right intracerebral hemorrhage due to rupture of an arteriovenous malformation. Brain MR images revealed a large leukomalactic lesion in the right fronto-parietal cortex. Diffusion tensor tractography at 8 months after onset revealed that the right corticospinal tract was severely injured. At this time, the patient could not stand or walk despite undergoing rehabilitation from 2 months after onset. It was believed that severe spasticity of the left leg and right ankle was largely responsible, and thus, antispastic drugs, antispastic procedures (alcohol neurolysis of the motor branch of the tibial nerve and an intramuscular alcohol wash of both tibialis posterior muscles) and physical therapy were tried to control the spasticity. These measures relieved the severe spasticity, with the result that the patient was able to stand at 3 months. In addition, the improvements in sensorimotor function, visuospatial function, and cognition also seemed to contribute to gait recovery. As a result, she gained the ability to walk independently on even floor with a left ankle foot orthosis at 11 months after onset. This case illustrates that clinicians should attempt to find the cause of gait inability and to initiate intensive rehabilitation in stroke patients who cannot walk at 3-6 months after onset.Keywords:
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Rationale: We report on a patient with traumatic brain injury who showed motor recovery concurrent with recovery of injured corticofugal tracts (CFTs), diagnosed by diffusion tensor tractography (DTT). Patient concerns: Four weeks after onset, when the patient started rehabilitation, he showed severe weakness of both upper and lower extremities [Motricity Index (MI, full score: 100/100): 9/30]. Diagnoses: A 29-year-old male patient underwent conservative management for traumatic hemorrhages in both frontal lobes and right thalamus resulting from a car accident. Interventions: The patient participated in a comprehensive rehabilitative management program, including movement therapy, dopaminergic drugs for improvement of apraxia (pramipexole: 2.5mg, amantadine: 300mg, ropinirole: 0.75 mg, and levodopa: 500mg), and neuromuscular electrical stimulation therapy of the right elbow extensors, finger extensors, both knee extensors, and ankle dorsiflexors. Outcomes: After 2 months' intensive rehabilitation, his motor weakness rapidly recovered to the point that he was able to move all 4 extremities against some resistance (MI: 75/75). The right supplementary motor area (SMA)-CFT showed narrowing and partial tearing in the upper portion on 1-month DTT, and became thicker on 3-month DTT. Compared to the 12 normal control subjects, the fractional anisotropy (FA) values of the right corticospinal tract and both dorsal premotor cortex-CFT were more than 1 standard deviation lower than those of normal control subjects on both 1- and 3-month DTTs. Lessons: Although the tract volume of the right SMA-CFT was more than 1 standard deviation lower than normal control subjects on 1-month DTT, it increased to within 1 standard deviation on 3-month DTT. Recovery of the injured SMA-CFT concurrent with motor recovery was demonstrated in a patient with traumatic brain injury.
Corticospinal tract
Supplementary motor area
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Stroke
Chronic stroke
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Neuroradiology
Movement Disorders
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Objective:To study the influence of function recovery on motor control deficits in the ipsilesional upper extremity of patients with hemiplegia after stroke.Method:62 patients with stroke were measured motor control deficits in the ipsilesional upper extremity and ADL by manual function test(MFT) and Barthel index(BI) before treatment and three months after words.Result:①49 patients on MFT(79%) was abnormal before treatment;②MFS gain of early rehabilitation group were significantly higher than convalescence rehabilitation group after three months ( P 0.001);③MBI gain of MFT normal group were significantly higher than MFT abnormal group after three months( P 0.05).Conclusion:Motor control in ipsilesional upper extremity had deficits after stroke and influence on function recovery. It is very important to actively measure and treat motor control deficits in the ipsilesional upper extremity after stroke. Author′s address Dept.of Rehabilitation Medicine,The General Hospital of PLA,Beijing,100853
Stroke
Convalescence
Barthel index
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Deep brain stimulation (DBS) has become an important option for medication-refractory essential tremor (ET), but may contribute to worsened gait and falling. This study evaluates impaired gait in a cohort of patients treated with DBS with a retrospective review of ET patients before and after DBS implantation. Factors examined included: age, duration of symptoms, pre-morbid gait difficulties/ falls, Fahn-Tolosa-Marin tremorrating scale (TRS) scores at baseline, 6 months post-unilateral DBS implantation, and 6 or 12 months post-bilateral implantation. All implantations targeted the nucleus ventralis intermediate (Vim). Thirty-eight patients (25 males, 13 females) were included. Twenty-five patients (65.8%) underwent unilat- eral DBS implantation and 13 (34.2%) bilateral. The mean age at surgery was 67.1 years ± 11.4 (range 34-81). The mean disease duration was 31 years ± 18.3 (range 6-67). Fifty-eight percent of patients had worsened gait post- operatively. Seventy percent of patients with unilateral Vim DBS experienced gait worsening while 55% of bilateral DBS patients experienced gait worsening. Patients with worsened gait post-DBS had higher baseline pre- operative TRS scores than those without worsened gait (43.1 points ± 8.4 vs. 33.1 points ± 10.1, p = 0.002) (odds ratio 2.5, p = 0.02). Gait/balance may worsen fol- lowing DBS for medication refractory ET. Higher baseline TRS score may factor into these issues, although a larger prospective study will be required with a control popula- tion. The larger percentage of difficulties observed in unilateral versus bilateral cases likely reflected the bias to not proceed to second-sided surgery if gait/balance prob- lems were encountered.
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AbstractObjective. To determine the efficacy and safety of early (<1 year post-disease onset) use of intrathecal baclofen (ITB).Design. Consecutive case series of 14 individuals with spastic hypertonia due to trauma (5), anoxia (6) and stroke (3).Main outcome measures. Modified Ashworth (MAS) and Disability Rating (DRS) scales.Interventions. ITB pump placement within 1 year of onset, after inadequate response to other previous treatment modalities.Results. At follow-up after ITB pump implantation (mean = 13.9 months; mean daily dose = 591.5 µg per day), mean MAS scores improved from baseline by 1.0 and 2.1 points in the upper and lower limbs, respectively. DRS scores did not change significantly. Functional gains included decreased pain and improved gait speed and motor skills. The only complication was spinal leak in one subject.Conclusions. ITB therapy within 1 year of onset of acquired brain injury appears effective and safe in decreasing spastic hypertonia and does not appear to adversely affect recovery.KeywordsSpasticitybrain injuriesbaclofenrehabilitation
Hypertonia
Stroke
Baclofen
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Objective: The aim of this study was to find out the factors related to the recovery of hand motor function in patients with subcortical hemorrhage. Method: We investigated 21 patients with subcortical hemorrhage prospectively. We used their CT and/or MR imaging for the localization and estimation of the size of lesion. The Hand Movement Scale (HMS) was used for evaluation of the hand function. Proprioception, initial shoulder and hand recovery were also measured every month for at least 6 months during the follow up periods. Results: There are 13 patients with putaminal hemorrhage and 8 patients with thalamic hemorrhage. There is no difference in general characteristics between the two groups. When recovery began within 4 weeks after onset, only thalamic hemorrhage patients showed significantly good recovery. Initial shoulder shrug, especially within 4 weeks after onset, could be one of the prognostic factors of good hand motor recovery. Putaminal hemorrhage patients, who had higher scores on the hand movement scale, showed early recovery of proprioceptive function. Conclusion: Among many other factors which can be involved in the recovery of hand function in patients with subcortical hemorrhage, the time of initial hand motor recovery, the time of initial shoulder shrug, and proprioceptive function were most important.
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Background: Research imaging costs limit lesion-based analyses in already expensive large stroke rehabilitation trials. Despite the belief that lesion characteristics influence recovery and treatment response, prior studies have not sufficiently addressed whether lesion features are an important consideration in motor rehabilitation trial design. Objective: Using clinically-obtained neuroimaging, evaluate how lesion characteristics relate to upper extremity (UE) recovery and response to therapy in a large UE rehabilitation trial. Methods: We reviewed lesions from 297 participants with mild-moderate motor impairment in the Interdisciplinary Comprehensive Arm Rehabilitation Evaluation (ICARE) study and their association with motor recovery, measured by the UE Fugl-Meyer (UE-FM). Significant lesion features identified on correlational and bivariate analysis were further analyzed for associations with recovery and therapy response using longitudinal mixed models. Results: Prior radiographic stroke was associated with less recovery on UE-FM in participants with motor impairment from subsequent subcortical stroke (-5.8 points) and in the overall sample (-3.6 points), but not in participants with cortical or mixed lesions. Lesion volume was also associated with less recovery, particularly after subcortical stroke. Every decade increase in age was associated with 1 less point of recovery on UE-FM. Response to specific treatment regimens varied based on lesion characteristics. Subcortical stroke patients experienced slightly less recovery with higher doses of upper extremity task-oriented training. Participants with cortical or mixed lesions experienced more recovery with higher doses of usual and customary therapy. Other imaging features (leukoaraiosis, ischemic vs. hemorrhagic stroke) were not significant. Conclusions: ICARE clinical imaging revealed information useful for UE motor trial design: stratification of persons with and without prior radiographic stroke may be required in participants with subcortical stroke, the majority of motor rehabilitation trial participants. Most of the prior radiographic strokes were small and cortically-based, suggesting even minor prior brain injury remote to the acute stroke lesion may limit spontaneous and therapy-related recovery. Lesion location may be associated with response to different therapy regimens, but the effects are variable and of unclear significance.
Stroke
Stroke Recovery
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Seven clinical tests have been used to study the recovery of arm function in 92 patients over 2 years following their stroke. These tests are simple and quick, and can be used by any interested observer. They form a hierarchical scale that measures recovery. Statistically significant improvement is only seen in the first 3 months. Fifty-six patients initially had non-functional arms; eight made a "complete recovery" and 14 a partial recovery. The tests described are inadequate on their own because they are not sufficiently sensitive at the upper range of ability. While recovery of lost function does relate to the degree of initial neurological loss in the arm, it seems to be largely independent of the overall severity of the stroke.
Stroke
Stroke Recovery
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We present a case report of a 65-year-old patient who had a subcortical infarct and a right spastic hemiparesis that occurred 19 months before being treated with an investigational therapy consisting of low frequency subthreshold epidural motor cortex electrical stimulation delivered during structured occupational therapy repeated daily for three weeks. Before treatment the patient's affected arm rested in a flexion posture and he was unable to flex or extend the fingers. After three weeks of treatment, the resting tone of his arm had improved and he was able to grasp a pen and write letters. The Fugl-Meyer motor scale score improved from 36 to 46 and this improvement was sustained for four weeks after the conclusion of rehabilitation therapy. This is the first patient to be entered into a randomized clinical feasibility and safety study assessing functional improvement in stroke patients treated with epidural cortical stimulation concurrent with occupational therapy (an investigational therapy).
Hemiparesis
Stroke
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