Ischemic neurological injury is the most feared complication of spinal deformity surgery.In recent years, more attention has been paid to ischemic neurological injury during spinal deformity surgery including causes, risk factors, and prevention. The direct and indirect causes of ischemic neurological injury contains ligature of the segmental arteries, perioperative bleeding and excessive stretching or shortening of the spinal cord.Those patients at greatest risk for paraplegia following diagnosis of thoracic kyphosis or kyphoscoliosis, unilateral vessel ligation, perioperative hypotension, and extensive anterior and posterior surgery. Keeping reasonable mean arterial pressure and multimodal intraoperative monitoring may effectively prevent ischemic neurologic injury during surgery for spinal deformity.
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