妊娠对硬膜外麻醉腰骶段阻滞效果的影响

被引:10
作者
张蕾
荆凤娥
徐志新
尹极峰
机构
[1] 新疆医科大学第一附属医院麻醉科
关键词
妊娠; 硬膜外麻醉;
D O I
暂无
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
目的观察妊娠对硬膜外麻醉中腰骶段阻滞效果的影响。方法择期剖宫产或子宫肌瘤切除术患者50例分为妊娠组和非妊娠组,每组25例。选择L1~2间隙硬膜外穿刺置管,分别给予试验剂量2%利多卡因5ml和负荷剂量1%罗哌卡因8ml,观察阻滞平面,采用重复电刺激测试右侧L2、S1和S3皮肤区域的疼痛阈值变化,记录Bromage评分。结果妊娠组头侧扩散平面高于非妊娠组,非妊娠组患者尾侧扩散平面低于妊娠组(P<0.05)。两组的运动评分差异无统计学意义。两组患者L2区疼痛阈值均高于S1、S3区,疼痛阈值随时间延长而增高。结论妊娠能够增加硬膜外麻醉的头侧扩散,但并不能增加腰骶段麻醉的阻滞效果。硬膜外麻醉中妊娠与非妊娠患者骶段阻滞起效均较迟缓。
引用
收藏
页码:29 / 31
页数:3
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