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甲氧明静脉预先泵注防治剖宫产腰硬联合麻醉期间低血压 被引量:11

METHOXAMINE INTRAVENOUS INFUSION PREVENT AND THERAPY HYPOTENSION DURING CESAREAN EPIDURAL ANESTHESIA
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摘要 目的:比较不同时机静脉预先泵注甲氧明在腰硬联合麻醉( CSEA)剖宫产手术中对低血压的防治效果及对产妇和胎儿的影响。方法择期CSEA剖宫产手术产妇90例( ASA Ⅰ∽Ⅱ),根据静脉微泵注入甲氧明的时机随机分为A、B、C三组,每组30例。将甲氧明10 mg加入生理盐水稀释至20 ml(0.5 mg/ml)备用。 A组:产妇入室安静10 min后开始静脉泵注,其泵注速度为25∽35 ml/h;B组:CSEA操作注入局麻药即刻开始静脉泵注甲氧明,其泵注速度同 A组;C组:泵注等量的生理盐水,如术中产妇收缩压( SBP)下降≥20%基础值或SBP≤100 mmHg时,单次静注甲氧明2 mg,如给药后再次发生低血压,相同药物剂量重复给药一次;记录CSEA注药后1、3、5、10、15、20、30 min和术毕各时点的 SBP、DBP和 HR,新生儿Apgar评分,产妇恶心呕吐、低血压、心动过缓和注药后再次出现低血压的情况。结果 A、B两组术中输液量比C 组明显减少(p<0.05);与C组相比,B组患者CSEA注入腰麻药后10、20 min及术毕时SBP、DBP更为平稳(p<0.05);与B、C两组比较,注腰麻药后1、3、5、10 min,A组HR明显减慢( p<0.05);与 C 组比较注腰麻药后10、15、20、30 min 和术毕各时间点,A、B两组HR减慢(p<0.05)。术中低血压发生率A组(3.3%)、B组(6.7%),均较C组(30.0%)低(p<0.05);C 组再次出现低血压3例(33.3%)。与B、C两组比较,A组有3例(10%)出现心动过缓( p<0.05)。 A、B两组较C组新生儿1分钟Apgar评分高(p<0.05)。结论采用手术前静脉预先泵注甲氧明方法安全有效,能有效地预防剖宫产妇术中低血压的发生,其中以B组静脉泵注甲氧明的方法术中血压维持好,对心率的影响小,对新生儿安全,值得临床推广使用。
出处 《现代医院》 2015年第8期63-65,共3页 Modern Hospitals
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参考文献12

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共引文献41

同被引文献78

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