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Laminoplasty with foraminotomy for coexisting cervical myelopathy and unilateral radiculopathy: a preliminary report
Study Design:
An assessment was made of the efficacy of a combined laminoplasty and foraminotomy operation for patients with coexisting myelopathy and unilateral radiculopathy. The procedure was done in 17 patients.
Objectives:
The patients were followed with lateral flexion and extension radiographs, computed tomography scans, and an assessment system specially designed to qualitatively evaluate the patients' neurologic status. Follow-up period averaged 4 years (range, 2.1-9.3 years).
Summary Of Background Data:
Excellent-to-good results were obtained for 76% (13 of 17) of the patients without any significant functional compromise based on the radiographs. Sixteen nerve roots were decompressed with a less than 25% foraminotomy, whereas eight were decompressed by a 25%-50% foraminotomy without serious neurologic damage, except for one patient. The neurologic results appeared unrelated to the extent of foraminotomy.
Methods:
A refined procedure for combined laminoplasty and foraminotomy was reviewed retrospectively in terms of neurologic outcome and radiographic data.
Results:
The present series is small, and results are not comparable directly with other methods. The procedure appears effective for myelopathy and radiculopathy. This procedure is applicable to patients with myelopathy and coexisting nerve root impingement anterolaterally or in the neural foramen.
Conclusion:
The combined laminoplasty and foraminotomy operation may provide greater neurologic improvement in patients with coexisting myelopathy and unilateral radiculopathy, while maintaining cervical spine stability after surgery.