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目的：探讨经皮穿刺切吸腰椎间盘术中，穿刺点、角度、髓核组织取出量与临床疗效的关系。方法：（１）本组６０例腰椎间盘突出症，共８５个病变椎间盘，均经ＣＴ或ＭＲＩ扫描。（２）穿刺点距体中线的距离为１２～１６ｃｍ，角度≤４５°。结果：穿刺成功率１００％，髓核组织取出量为１．５～５ｇ。治愈３４例（５６．７％），显效１５例（２５％），有效９例（１５％）。结论：穿刺点距体中线越远，其穿刺角度越小，与下列因素呈正比关系：（１）工作套管在椎间盘内后１／３径路内活动范围；（２）髓核组织取出量；（３）临床疗效。
Objective: To investigate the relationship between the amount of puncture point, angle, nucleus pulposus and clinical curative effect during percutaneous puncture and lumbar disc herniation. Methods: (1) The group of 60 cases of lumbar disc herniation, a total of 85 lesion disc, were scanned by CT or MRI. (2) puncture point distance from the body centerline distance of 12 ~ 16cm, angle ≤ 45 °. Results: The puncture success rate was 100%, the amount of nucleus pulposus was 1.5 ~ 5g. 34 cases were cured (56.7%), 15 cases (25%) were effective and 9 cases (15%) effective. CONCLUSIONS: The farther the puncture point is from the midline, the smaller the puncture angle is, which is directly proportional to the following factors: (1) the range of motion of the working cannula in the posterior 1/3 path of the disc; (2) the amount of removed nucleus pulposus; (3) Clinical efficacy.