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本文对85例行剖宫产术的产妇分组观察,分析了硬膜外阻滞双向注药法用于剖宫产术的麻醉效果及安全性,并与连硬常规给药法及两点注药法相对比。其结果表明:双向注药法在骶神经阻滞完善率,神经阻滞控制在T_8～S_5最适节段率和抑制內脏牵拉反射等方面,明显优于连硬常规给药法(P<0.05),而用药初量却明显少于常规给药法(P<0.05)。与两点注药法相比较,各参数无明显差异(P>0.05).双向注药法其缺点是由于穿刺针在硬膜外腔旋转,易致硬脊膜破裂,但只要谨慎操作,对产妇采取左侧卧位,于腰段穿刺,把握住穿刺针作原位不变深度地36°旋转,旋破硬脊膜的机率很小。如一旦发现硬脊膜破裂即应放弃此法。
In this paper, 85 cases of cesarean section of maternal subgroup observation, analysis of two-way injection of epidural block anesthesia for cesarean section and the safety of anesthesia, and even with the conventional hard drug delivery method and the two-point injection Drug law relative. The results showed that the bidirectional injection method was significantly better than the conventional hard delivery method in terms of the rate of improvement of sacral nerve block, the control of nerve block at the optimal segment rate of T8 to S5 and the inhibition of visceral traction and reflex (P <0.05), while the initial dose was significantly less than the conventional administration (P <0.05). Compared with the two-point injection method, there was no significant difference between the two parameters (P> 0.05). The disadvantage of bidirectional injection was that the puncture needle could easily rupture in the epidural space. However, Take the left lateral decubitus, in the lumbar puncture, grasp the puncture needle unchanged depth of 36 ° rotation, the probability of breaking the dura is very small. If found once the dura rupture should give up this method.