Annals of Rehabilitation Medicine

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"Compression ratio"

Original Articles

Effect of Percutaneous Vertebroplasty in Chronic Osteoporotic Compression Fracture of Thoracic and Lumbar Vertebra.: Seo, Jeong Hwan , Byeon, Hwan Taek , Park, Seong Hee , Ko, Myoung Hwan , Song, Kyung Jin; J Korean Acad Rehabil Med 2004;28(3):247-252.

Abstract
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Objective
This study was conducted to assess the effect of percutaneous vertebroplasty in the patients with chronic osteoporotic compression fracture at the thoracic and the lumbar vertebra. Method: Twelve patients with chronic osteoporotic compression fracture of thoracic and lumbar vertebra were engaged in this study. Treated levels were from the ninth thoracic vertebra to the fifth lumbar vertebra. Effects were assessed on the first day, 1 month after treatment and the last follow up (average 164 days after vertebroplasty; range 60 days to 302 days) by visual analogue scale (VAS), McGill pain questionnaire (MPQ), and compression ratio of vertebral body. Complication rate was assessed. Results: Significant improvement by VAS and MPQ was noticed on the first day, 1 month after treatment and the last follow up. Further vertebral height loss was not noticed on follow-up. Conclusion: Percutaneous vertebroplasty can be an effective treatment method in patients with chronic back pain due to osteoporotic compression fracture at the thoracic and the lumbar vertebra. (J Korean Acad Rehab Med 2004; 28: 247-252)

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Ultrasonographic Study of Median Nerve after Carpal Tunnel Release.: Yoon, Joon Shik , Kim, Sei Joo , Park, Eun Mi; J Korean Acad Rehabil Med 2002;26(2):172-176.

Abstract
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Objective: To assess the median nerve compression with ultrasonography before and after the carpal tunnel release and to assess the correlation between electrophysiologic findings and ultrasonographic findings of the median nerve.

Method: We studied 50 hands of 29 patients diagnosed as carpal tunnel syndrome electrophysiologically and 20 hands of 19 asymptomatic controls. We evaluated the flattening ratio and compression ratio through the short axis and long axis of the median nerve by ultrasonography before carpal tunnel release, 2 weeks and 3 months after release. The correlation of the

improvement between the eletrophysiologic findings and compression ratio was analyzed.

Results: The compression ratio of the median nerve was decreased significantly after carpal tunnel release, compared with that before release. The decrease of the compression ratio correlated with the improvement of the electrophysiologic findings significantly.

Conclusion: The ultrasonography is useful to follow up the median nerve after carpal tunnel release. (J Korean Acad Rehab Med 2002; 26: 172-176)