Operative treatment of scoliosis with the kaneda anterior spine system

Prospective, single-cohort study. To evaluate thoracic and thoracolumbar scoliosis using the Kaneda anterior spine dual-rod system (KASS). In selected cases, anterior correction of scoliosis has several advantages over the traditional posterior instrumentation. Other than 2 primary reports by Kaneda...

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Bibliographic Details
Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 2005-07, Vol.30 (14), p.1616-1620
Main Authors: SARAPH, Vinay J, KRISMER, Martin, WIMMER, Cornelius
Format: Article
Language:English
Subjects:
Adolescent
Age Factors
Biological and medical sciences
Bone Nails
Cerebrospinal fluid. Meninges. Spinal cord
Diseases of the osteoarticular system
Diseases of the spine
Female
Follow-Up Studies
Humans
Lumbar Vertebrae - surgery
Medical sciences
Nervous system (semeiology, syndromes)
Neurology
Orthopedic surgery
Prospective Studies
Scoliosis - surgery
Spinal Fusion - instrumentation
Spinal Fusion - methods
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Thoracic Vertebrae - surgery
Treatment Outcome
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Summary:Prospective, single-cohort study. To evaluate thoracic and thoracolumbar scoliosis using the Kaneda anterior spine dual-rod system (KASS). In selected cases, anterior correction of scoliosis has several advantages over the traditional posterior instrumentation. Other than 2 primary reports by Kaneda, there are no clinical outcome reports with the KASS in the literature. A total of 24 patients with thoracic (n = 10)/thoracolumbar (n = 14) scoliosis were corrected using the KASS. Sagittal and coronal plane radiologic parameters were evaluated before surgery, 1-year after surgery, and at final follow-up (approximately 40 months). Average coronal correction of the primary curve was from 61 degrees to 24 degrees (61%). Apical vertebral rotation decreased by 69%. Apical vertebral translation decreased 10-2 cm. The secondary thoracic and lumbar curves showed a spontaneous correction between 27% and 46%, respectively. Thoracic kyphosis increased 25 degrees -38 degrees (52%), lumbar lordosis showed a minimal decrease from 48 degrees to 43 degrees . Fusion was achieved in all cases. No neurovascular or implant-related problems were observed at final follow-up. Anterior instrumented fusion for thoracic/thoracolumbar scoliosis using the KASS is a good treatment option for idiopathic thoracic/thoracolumbar curves.
ISSN:0362-2436
1528-1159
DOI:10.1097/01.brs.0000170291.77450.8b