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Botulinim Toxin Type A Injections by Different Guidance in Stroke Patients With Spasticity on Upper Extremities

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.

Clinical Trial Summary

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.

Clinical Trial Description

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. ;

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02557737
Study type Interventional
Source Chang Gung Memorial Hospital
Contact Pong Ya-Ping, MD
Phone 889-7-7317123
Email yaping0707@gmail.com
Status Recruiting
Phase Phase 3
Start date September 2012
Completion date July 2016
View Details
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