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为对出生时是未成熟儿的婴儿减少全麻的危险性,自1900年脊麻成功地应用于小儿以来,在儿科乃至原为未成熟儿的应用日见广泛。但当手术历时超过蛛网膜下腔阻滞的时限,在阻滞作用时限较短的婴儿常需术中镇静或辅以全麻。为避免全麻和静脉内注射镇静刺,在预期手术将超过60分钟的原为未成熟儿的婴儿,作者采取细导管连续脊麻进行了观察。方法:回顾应用脊麻的40例原未成熟儿,全都应用加有肾上腺素的高比重0.5％丁卡因,首次剂量1.0mg/kg,于腰_(4-5)或腰_5-骶_1。其中预期手术历时较久的22例,应用28G细导管插入蛛网膜下腔1cm。插细导管者,在
In order to reduce the risk of general anesthesia in infants who are born immature infants, spinal cord has been widely used in pediatric and even immature infants since its successful application in 1900. However, when the surgery lasted more than the time limit of subarachnoid block, infants with shorter duration of blockade often need intraoperative sedation or combined with general anesthesia. In order to avoid general anesthesia and intravenous injection of sedative puncture, the author used a thin catheter continuous spinal anesthesia in infants of premature infants who were expected to surgically surpass 60 minutes. Methods: Forty cases of unripe children with spinal anesthesia were retrospectively studied. All the patients were given 0.5% tetracaine with a high proportion of epinephrine. The first dose of 1.0 mg / kg was given on the lumbar (4-5) or lumbar _1. Among them, 22 cases were expected to have a long history of surgery, and a 28G thin catheter was inserted into the subarachnoid space 1 cm. Slender catheterists, at