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KMID : 1001920070420040293
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Journal of Korean Neurosurgical Society
2007 Volume.42 No. 4 p.293 ~ p.299
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Clinical Analysis of Video-assisted Thoracoscopic Spinal Surgery in the Thoracic or Thoracolumbar Spinal Pathologies
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Kim Sung-Jin
Kim Yeon-Soo
Ryoo Ji-Yoon
Son Moon-Jun
Whang Choong-Jin
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Abstract
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Objective:：Thoracoscopic spinal surgery provides minimally invasive approaches for effective vertebral decompression and reconstruction of the thoracic and thoracolumbar spine, while surgery related morbidity can be significantly lowered. This study analyzes clinical results of thoracoscopic spinal surgery performed at our institute.
Methods: : Twenty consecutive patients underwent video-assisted thoracosopic surgery (VATS) to treat various thoracic and thoracolumbar pathologies from April 2000 to July 2006. The lesions consisted of spinal trauma (13 cases), thoracic disc herniation (4 cases), tuberculous spondylitis (1 case), post-operative thoracolumbar kyphosis (1 case) and thoracic tumor (1 case). The level of operation included upper thoracic lesions (3 cases), midthoracic lesions (6 cases) and thoracolumbar lesions (11 cases). We classified the procedure into three groups: stand-alone thoracoscopic discectomy (3 cases), thoracoscopic fusion (11 cases) and video assisted mini-thoracotomy (6 cases).
Results: : Analysis on the Frankel performance scale in spinal trauma patients (13 cases), showed a total of 7 patients who had neurological impairment preoperatively : Grade D (2 cases), Grade C (2 cases), Grade B (1 case), and Grade A (2 cases). Four patients were neurologically improved postoperatively, two patients were improved from C to E, one improved from grade D to E and one improved from grade B to grade D. The preoperative Cobb’s and kyphotic angle were measured in spinal trauma patients and were 18.9±4.4° and 18.8±4.6°, respectively. Postoperatively, the angles showed statistically significant improvement, 15.1±3.7° and 11.3±2.4°, respectively (P<0.001).
Conclusion: : Although VATS requires a steep learning curve, it is an effective and minimally invasive procedure which provides biomechanical stability in terms of anterior column decompression and reconstruction for anterior load bearing, and preservation of intercostal muscles and diaphragm.
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KEYWORD
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Video-assisted thoracoscopic surgery, Minimally invasive surgical procedure, Spinal fractures, Spinal fusion
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