视神经管减压术治疗视神经挫伤20例分析

目的：报告视神经挫伤行视神经管减压术的治疗效果。方法：手术治疗限定于外伤后不超过1月且无严重颅脑损伤及无严重全身疾病者。采用局麻筛蝶窦入口法，手术前后常规用糖皮质激素及神经生长因子。结果：20例术前无光感16例，术后1周视力有光感及手动以上12例，占75％；术前视力在手动－0．04以内4例，术后视力均提高。术后随访3个月除2例外视力均有提高，最好达到0．3。结论：视神经挫伤病期不超过1月虽视力已无光感也不应放弃行视神经管减压术。

Analysis of 20 cases with optic nerve contusion treated by optic canal decompression

Objective:To report the effect of optic canal decompression for optic nerve contusion.Methods:The optic canal decompression was performed within 1 month of optic nerve contusion,except serious cerebral injure and serious system diseases.The surgical method was adopted ethmosphenoidstomy under local anesthesia.At preoperation and postoperation the glucocorticoid and nerve growth factor were used on routine.Results:Among the 16 cases which had no light perception at preoperation,12 cases(75%) obtained vision from light perception to hand movement on 1 week after operation,4 cases had vision from hand movement to 0.04 before operation,which all advanced after operation.Followed up for 3 months,all cases advanced except 2,the best vision was 0.3.Conclusion:The course of optic nerve contusion is not beyond 1 month.Although the vision has no light perception,it can not be abandoned the optic canal descompression.