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轻比重溶液蛛网膜下腔阻滞(下简称轻脊麻)一般使用≤0.2％布比卡因的水溶液。本文就我院56例患儿应用布比卡因作轻脊麻的体会进行小结。 一般资料 共56例,男34例,女22例。年龄1～5岁14例,6～10岁23例,11～14岁19例,体重9.5～65kg,ASAⅠ～Ⅱ级。手术包括阑尾切除、睾丸下降固定、脊柱及下肢手术等。56例分为三组:0.2％布比卡因组25例;O.15％布比卡因组15例;0.1％布比卡因组16例。 麻醉方法 术前30min肌注哌替啶、异丙嗪各0.5～1mg/kg(小于1岁患儿不用哌替啶)。入手术室测血压、脉搏、呼吸、监测末梢SpO_2。不合作患儿均给予基础用药(氯胺酮或安定)后,再实施脊麻操作。 药物配制及计算方法:0.75％或0.5％布比卡因药液,用灭菌注射用水(禁用生理盐水或葡萄糖液)稀释成0.2％、0.15％或0.1％浓度布比卡因液。药物用量计算方法为(0.15×体重〈kg〉+0.5×年龄〈岁〉)÷2,所得数值为毫升数,三种浓度均可按此公式计算。体弱
Light weight solution subarachnoid block (hereinafter referred to as light spinal anesthesia) generally use ≤ 0.2% aqueous solution of bupivacaine. In this paper, 56 cases of our hospital application of bupivacaine for light spinal anesthesia summary. General information a total of 56 cases, 34 males and 22 females. There were 14 cases aged 1 to 5 years old, 23 cases 6-10 years old, 19 cases aged 11-14 years, weighing 9.5-65kg, grade ASAⅠ-Ⅱ. Surgery, including appendectomy, testicular descent fixed spine and lower limb surgery. 56 cases were divided into three groups: 0.2% bupivacaine group 25 cases; O.15% bupivacaine group 15 cases; 0.1% bupivacaine group 16 cases. Anesthesia 30min before intramuscular injection of pethidine, promethazine each 0.5 ~ 1mg / kg (less than 1 year old children without pethidine). Into the operating room to measure blood pressure, pulse, respiration, monitoring distal SpO_2. Uncooperative children were given basic medication (ketamine or stability), then the implementation of spinal anesthesia operation. Drug preparation and calculation method: Bupivacaine solution of 0.75% or 0.5% is diluted to 0.2%, 0.15% or 0.1% concentration of bupivacaine solution by using sterile water for injection (with normal saline or dextran). The calculation method of the drug dosage is (0.15 × body weight + 0.5 × age ) ÷ 2, the obtained value is ml, and the three concentrations can be calculated according to the formula. Weak