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1.
The Journal of the Korean Orthopaedic Association ; : 232-235, 2012.
Article in Korean | WPRIM | ID: wpr-645958

ABSTRACT

Focal dystonia of musicians is one of the most disabling problems for professional musicians. It has focal task-specificity, presenting with involuntary flexion or extension of individual fingers when musicians play their instruments. It occurs mostly in pianists, and controversies still exist about the pathophysiology, whether it is caused by motor function disability or by a psychological condition. Although sensorimotor rehabilitation, change in instrument, skill or teacher, and immobilization with brace have been tried as treatment, there is still no definitive treatment. Because botox therapy has been effective in certain cases without irreversible side effects, this could be applied even in professional players. We report a case of focal dystonia of the hand in a professional pianist treated using electromyogram-guided botox injection and a review of the relevant medical literature.


Subject(s)
Botulinum Toxins, Type A , Braces , Dystonic Disorders , Fingers , Hand , Immobilization
2.
Journal of the Korean Knee Society ; : 217-222, 2009.
Article in Korean | WPRIM | ID: wpr-730735

ABSTRACT

PURPOSE: The purpose of this study was to measure the bone mineral density (BMD) of the proximal tibia, lumbar spine and proximal femur and to determine out their correlations with the knee alignment in knee osteoarthritic (OA) patients. MATERIALS AND METHODS: The study involved 203 patients (322 knees) with knee osteoarthritis and who had underwent total knee arthroplasty from July 2005 to September 2006. The BMDs of the proximal tibia, lumbar spine and proximal femur were measured and compared. The knee alignment was checked and its correlation with each BMD was analyzed. RESULTS: The mean BMD of the medial proximal tibia, lateral proximal tibia, lumbar spine and proximal femur were 0.857+/-0.180 g/cm(2), 0.772+/-0.177 g/cm(2), 0.940+/-0.174 g/cm(2), and 0.721+/-0.126 g/cm(2), respectively. The mean knee alignment was 10.2+/-4.7degrees varus and the deformity got severe as the BMD of the lateral proximal tibia, lumbar spine and proximal femur were lower and that of the medial proximal tibia was higher. CONCLUSION: The BMD of the proximal tibia was lower than that of the lumbar spine and higher than that of the proximal femur in patients with knee osteoarthritis. The BMDs of the lateral proximal tibia, lumbar spine and proximal femur were negatively correlated with the degree of varus deformity, but that of the medial proximal tibia was positively correlated.


Subject(s)
Humans , Arthroplasty , Bone Density , Congenital Abnormalities , Femur , Knee , Lower Extremity , Osteoarthritis , Osteoarthritis, Knee , Spine , Tibia
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