Objective To investigate the clinical outcomes of posterior circular decompression to treat thoracic disk herniation combined with ossification. Methods Twenty-five patients who had thoracic disk herniation combined with ossification underwent the procedure of posterior circular decompression. The lesion segment was T4/5、T5/6 in 2 cases, T6/7 in 1case, T8/9 in 2 cases, T9/10 in 4 cases, T10/11 in 6 cases and T11/12 in 8 cases. The postoperative curative effect was measured by JOA score and Otani scoring system. Results The average operative time was (175.7±12.4) min with a mean blood loss was (630.8±33.7) ml. Five patients exhibited intraoperative cerebrospinal fluid leakage, and recovered after treatment. One case developed wound hematoma and recovered after an emergency debridement. Compared with the preoperative level (6.3±2.1), the JOA score had a significant recovery at 3 months (9.4±3.0) and at the last follow-up (9.7±3.3)(P＜0.05). The Otani score at the last follow-up was excellent in 13 patients, good in 8 patients, fair in 3 patients, and poor in 1 patient, and the good response rate was 84.0%. Conclusions The posterior circular decompression in treating thoracic disk herniation combined with ossification can obtain good clinical results. However, attention should be paid to avoid cerebrospinal fluid leakage.
Key words
thoracic vertebra /
thoracic disk herniation /
circular decompression /
analysis of effect
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