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STUDY DESIGN This prospective study compared the outcomes of different evoked potential (EP) techniques for intraoperative spinal cord monitoring. OBJECTIVES To evaluate the reliability of different EP techniques administered during scoliosis surgery. SUMMARY OF BACKGROUND DATA A number of different methods of intraoperative spinal cord monitoring are(More)
STUDY DESIGN A prospective study on comparing coronal deformity correction in thoracic scoliosis using four different instrumentations. OBJECTIVES To compare the ability of four different instrumentation systems in correcting thoracic scoliosis based on the curve flexibility as reviewed by the fulcrum-bending radiograph. SUMMARY OF BACKGROUND DATA The(More)
BACKGROUND CONTEXT Spring-back complication after open-door laminoplasty as described by Hirabayashi is a well-known risk, but its definition, incidence, and associated neurologic outcome remain unclear. OBJECTIVE To investigate the incidence and the neurologic consequence of spring-back closure after open-door laminoplasty. STUDY DESIGN A retrospective(More)
STUDY DESIGN A comparison of the latencies and amplitudes of the somatosensory-evoked potential in different stages of scoliosis surgery. OBJECTIVES To investigate the normal variability of the somatosensory-evoked potential at different stages of scoliosis surgery and to improve the reliability of spinal cord monitoring. SUMMARY OF BACKGROUND DATA(More)
STUDY DESIGN A prospective study of 50 consecutive patients undergoing selective thoracic fusion for idiopathic scoliosis with minimum 2 year follow-up. OBJECTIVE We aim to establish the validity and safety of a new strategy using fulcrum bending (FB) radiographs and the inherent flexibility of the curve to select fusion levels for King type 2 and 3(More)
We describe a direct internal kyphectomy through a modified costotransversectomy, an extrapleural approach to the kyphus that does not jeopardize already compromised pulmonary function. A curved longitudinal incision is made 6 to 8 cm lateral to the midline. The posterior 5 cm of the two to three crowded ribs at the apex are resected. The segmental(More)
STUDY DESIGN Prospective clinical-radiographic study. OBJECTIVES To investigate the natural coupling behavior between frontal deformity correction and the simultaneous changes in thoracic kyphosis, and to examine how the postoperative thoracic sagittal realignment relates to this natural coupling behavior. SUMMARY OF BACKGROUND DATA Restoration of the(More)
STUDY DESIGN Consecutive case series. OBJECTIVE To compare the incidence and clinical characteristics of postoperative fifth cervical nerve root palsy (C5 palsy) in patients with cervical myelopathy treated by laminoplasty alone and laminoplasty with posterior instrumentation. SUMMARY OF BACKGROUND DATA In patients who have multilevel cervical(More)
Brown tumours may occur secondary to hyperparathyroidism in patients with chronic renal failure (CRF). Diagnosing a spinal brown tumour causing cord compression requires a high index of suspicion. We report a 65-year-old woman, who had been on haemodialysis for CRF for over 10 years, who presented with leg weakness and back pain over the thoracolumbar(More)
Cervical spondylotic myelopathy is a common clinical problem. No study has examined the pattern of neurological recovery after surgical decompression. We conducted a prospective study on the pattern of neurological recovery after surgical decompression in patients with cervical spondylotic myelopathy. Patients suffering from cervical spondylotic myelopathy(More)