Researchers compiled data from 581 patients who underwent cervical laminoplasty. Open door laminoplasty was performed in 237 cases, double door laminoplasty in 311 cases and other types of laminoplasty in the remaining 33 patients.
In 18 patients, deterioration of lower-extremity function occurred after the laminoplasty due to epidural hematoma, spinal cord herniation and vertebral artery injury, among other causes. The mean occupying rate of OPLL for patients with for patients with deteriorated lower-extremity function was significantly higher than for the patients without deterioration. The OPLL thickness was also higher in patients with deterioration.
Read the abstract about neurologic complications associated with cervical laminoplasty.
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