Cerebrovascular Accident Clinical Trial
Official title:
Comparison of Surface Landmark, Ultrasonography and Electric Stimulation Guidance for Botulinum Toxin Injections in Stroke Patients With Spasticity on Upper Extremities.
The aims of this study were to compare the injection locations of key spastic muscles on upper extremity by three different guidance localization methods ( surface anatomy landmark, ultrasonography, electric stimulation) and the effectiveness.
Stroke may result in acute or chronic hemiplegia and spasticity in stroke patients.
Spasticity in upper extremities may interfere with motor voluntary function, activities of
daily living and cause muscle pain. Botulinum toxin type A (BTX-A) has been shown to relieve
spasticity and pain in upper extremities of stroke patients. There are no researches to
compare the efficiency of BTX-A by different injection guidance methods in stroke patients.
The aims of our study were to compare the injection locations of key spastic muscles on
upper extremity by three different guidance localization methods ( surface anatomy landmark,
ultrasonography, electric stimulation) and the effectiveness. The investigators will enroll
60 hemiplegic stroke patients with upper extremity spasticity more than modified Ashworth
scale ( MAS) 1+ and duration more than 6 months. Under different guidance methods (surface
anatomy landmark/ ultrasonography /electric stimulation ), BTX-A will be injected to the key
spastic muscles on upper extremity. Outcome measures include MAS, motor function (
Brunnstrom stage of upper extremity), range of motion , the degree and visual analog scale
of pain , pinch and grasp power，Stroke Impact Scale, Barthel index and upper extremity
function (Nine hole peg test，Action Reaearch Arm Test，Wolf Motor Function test，Chedoke Arm
and Han Activity Inventory，Fugl-Meyer Assessment Scale，Motor Activity Log). All the
assessments will be performed before BTX-A injection and followed up at 4 weeks, 8 weeks, 12
weeks and 24 weeks after injection. After performing all the assessments, investigators will
investigate the efficiency of BTX-A by different guidance methods.
Four of arms:
ultrasonography direct-guidance: To inject Botulinum toxin type A on the spasticity lower
extremity for stroke patients by Ultrasonography direct-guidance.
ultrasonography indirect-guidance: To inject Botulinum toxin type A on the spasticity lower
extremity for stroke patients by Ultrasonography indirect-guidance.
electric stimulation guidance: To inject Botulinum toxin type A on the spasticity lower
extremity for stroke patients by electric stimulation guidance.
surface anatomy landmark: To inject Botulinum toxin type A on the spasticity lower extremity
for stroke patients by surface anatomy landmark.
;
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
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