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Journal of Korean Neurosurgical Society 1995;24(4): 450-457.
Surgical Experiences of Pedicle Screw Fixation for Lumbar Degenerative Disease.
H Y Lee, S C Rhim, C J Kim, J K Lee, B D Kwun, C Jin Whang
1Department of Neurological, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
2Department of Surgery, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
Pedicle screw fixation is coming into wide use as an adjunct to fusion procedures for the patients with various lumbar degenerative diseases causing spinal stenosis in conjunction with traditional decompressive laminectomy. Twenty-five patients with lumbar degerative disease who underwent surgery using the pedicle screw since 1989 were review with reference to surgical outcome and problems associated with pedicle screw instrumentation of the lumbar spine. Based on return to work or activities of daily living, drug usage patterns, and complaints of pain, twenty-two patients(88%) had a successful clinical results. Major complications included three permanent nerve root deficits, one symptomatic instrument failure, one deep wound infection at donor site and two pulmonary embolisms;one patient led to a fetal outcome. However the pedicle screw is a very effective tool of immobilization of the lumbar spine and it is recommended that more careful preoperative evaluation, better surgical technique and experience are required to avoid the serious complications and to achieve better surgical outcome.
Key Words: Pedicle screw; Lumbar degenerative disease; Complications; Pulmonary embolism
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