How effective are treatments for sensory loss of the arm?
This sensory loss puts the arm at risk for injury and impacts functional use of the arm and the survivors' level of independence during daily activities. We found 13 studies involving 467 participants that tested different treatments for sensory loss. There is limited evidence that these treatments may be effective.
Is there evidence for interventions for sensory impairment in the upper limb?
Only preliminary evidence exists from individual studies for the effectiveness of some specific interventions for sensory impairment in the upper limb. With respect to the primary outcome of interest, upper limb sensation, there was some limited evidence for:
What are the effects of lesions of the cortex?
Lesions of the cortex may result in visual disturbances. For example, occipital lobe infarcts will result in disturbance of vision in the contralateral visual field. Similar deficits can occur with cortical strokes affecting the temporal and parietal lobes where the optic radiations travel.
What are the clinical features of sensory impairment in the elderly?
The clinical features are decreased vibration sense, depressed ankle jerks, and impaired tactile sensation. Tactile thresholds in ageing Several studies have compared sensory threshold testing in young and elderly groups of healthy subjects.
Author information
1. School of Physical and Occupational Therapy, McGill University, Montreal, Quebec, Canada.
Abstract
The assessment of tactile and proprioceptive sensory function in patients with severe sensory deficits resulting from cortical lesions is reviewed.
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How many people have sensory loss after stroke?
Up to 80% of people who have a stroke experience sensory loss in their affected arm. This sensory loss puts the arm at risk for injury and impacts functional use of the arm and the survivors' level of independence during daily activities. We found 13 studies involving 467 participants that tested different treatments for sensory loss. There is limited evidence that these treatments may be effective. No more than one study examined each particular intervention, frequently the studies were of poor quality and lacked sufficient information. Further research is needed before clear recommendations can be made.
What is the purpose of Posteraro 2001?
Posteraro 2001 used a graded sensory re‐education program to address tactile and proprioceptive extinction. Posteraro 2001 found no difference in the tactile and proprioceptive extinction scores of the Motricity score for upper limb function between the control and the intervention group.
What lobes do cortical strokes affect?
Similar deficits can occur with cortical strokes affecting the temporal and parietal lobes where the optic radiations travel. Other more complex, cortical visual abnormalities may be seen with occipital lobe strokes such as palinopsia, which is a persistence of visual perception of an object after an object is removed.
What is the subcortical presentation of stroke?
In contrast, a subcortical stroke presentation may involve face, arm and leg to an equal extent. This is based on the close proximity of corticospinal tract fibers to each other as they run through the subcortical structures such as the internal capsule and brainstem.
What is the term for a loss of ability to recognize objects by touch?
Astereognosia may occur with cortical stroke, which is a loss of ability to recognize objects by touch, despite intact primary sensory sensation. Lesions of the cortex may result in visual disturbances. For example, occipital lobe infarcts will result in disturbance of vision in the contralateral visual field.
What happens if you have a cortical stroke?
More specifically, a cortical stroke may result in loss of higher order sensory function. For example, with a parietal stroke, the patient may have contralateral agraphesthesia. This refers to loss of the ability to recognize a number or letter traced on a limb, despite intact sensation to the limb.
What is the subcortical region of the brain?
Subcortical. A stroke may affect cortical regions of the cerebral cortex, including the frontal, parietal, temporal and occipital lobes, or structures subcortically, below the cortex, including the internal capsule, thalamus, basal ganglia, brainstem and cerebellum. This differentiation is clinically important as the etiology ...
What happens when the frontal eye fields, responsible for horizontal gaze, are infarcted?
This occurs when the frontal eye fields, responsible for horizontal gaze, are infarcted. The result is that the patient’s eyes will deviate to the side of the stroke. For example, a right cortical stroke will result in a patient’s eyes being deviated to the right side.
What is the difference between a left MCA stroke and a left ACA stroke?
For example, a left MCA stroke will often result in a motor deficit involving the right face and arm more than leg, while a left ACA stroke will affect the right leg more than face and arm. Focal weakness of a distal extremity may occur as well.