Vol 9: Long-term result of posterolateral fusion of the lumbar spine using the Tadpole system.Reportar como inadecuado



 Vol 9: Long-term result of posterolateral fusion of the lumbar spine using the Tadpole system.


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This article is from Journal of Orthopaedic Surgery and Research, volume 9.AbstractBackground: Failure of pedicle screw fixation is often seen in patients with severe osteoporosis. We developed new lumbar spinal instrumentation Tadpole system for elderly patients who have osteoporotic bone and poor general health status. The objective of this study was to document the long-term clinical outcomes after Tadpole system fixation, the rate of spinal fusion, the incidence of adjacent segment degeneration, the rate of instrumentation failure, and the overall complications. Methods: Sixty patients who underwent posterolateral spinal fusion using the Tadpole system, in whom a radiograph of the lumbar spine was taken at more than 5 years after operation, were involved in this study. The improvement rate of the Japanese Orthopaedic Association JOA score, rate of spinal fusion, presence or absence of adjacent segment degeneration, rate of instrumentation failure, and postoperative complications of each patient were assessed at 5 years postoperatively. Results: The mean JOA score improvement was 72.5%, and the posterolateral spinal fusion rate was 93.3% 56 of 60 patients at the last follow-up. Adjacent segment degeneration occurred in only two patients who showed decreased intervertebral disc height, and instrumentation failure hook deviation was observed in one patient. No other complications were observed in any patients. Conclusion: Tadpole system fixation shows favorable long-term clinical outcomes.



Autor: Wittayapairoj, Kriangkrai; Wang, Zhuo; Sakakibara, Toshihiko; Kasai, Yuichi

Fuente: https://archive.org/







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