穿刺
6.Results The success rate of puncturing was 96. 3% as for performing through L5-S1, while it was 100% through L3 - 4 and L4-5. The post-operative effects of group A was excellent in 63 cases (45. 3%) , good in 51 cases (36. 7%), fair in 20 cases (14. 4%) and poor in 5 cases (3. 6%).
10.Technic of tapping, its safety, contraindication and interpretation of positive results are also discussed.


