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1、浙江大學(xué)碩士學(xué)位論文羅哌卡因硬膜外阻滯對(duì)異丙酚鎮(zhèn)靜催眠作用的影響姓名:項(xiàng)燕申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):外科學(xué)(普外科)指導(dǎo)教師:祝勝美2003.4.1逝塹盤堂醫(yī)堂墮:!:2Q蛆生亟±堂魚迨塞羅哌卡因硬膜外阻滯對(duì)異丙酚鎮(zhèn)靜催眠作用的影響浙江大學(xué)醫(yī)學(xué)院附屬第一醫(yī)院麻醉科Rz舛2碩士研究生項(xiàng)燕導(dǎo)師祝勝美【中文摘要】目的通過腦電雙頻指數(shù)的監(jiān)測,評(píng)價(jià)羅哌卡因硬膜外用藥后對(duì)異丙酚靶控輸注(TCI)時(shí)鎮(zhèn)靜催眠劑量的影響,并探討其可能的機(jī)制。方法50例接受上腹部手術(shù)病人隨機(jī)分層分為硬膜外羅哌卡因組(GR)、硬膜外利多卡因組(GL)和硬膜外生理鹽水組(GC)三組。硬膜外給藥15
2、分鐘后TCI輸注異丙酚致意識(shí)消失,記錄所需時(shí)間,繼續(xù)全麻誘導(dǎo)觀察插管反應(yīng)。所有病人同時(shí)監(jiān)測心電圖(ECG),血壓(MAP),心率(HR),血氧飽和度(Sp02)及腦電雙頻指數(shù)(BIS)并記錄異丙酚的效應(yīng)室濃度(Ce)及用量。結(jié)果病人意識(shí)消失所需時(shí)間及異丙酚的效應(yīng)室濃度、用量分別為GR組(111:t:17)秒,(1.44±O.16)ug.ml~,(1.264-O.10)mg.kg:GL組(112士14)秒,(1.48±0.16)ug.ml~,(1.23±0.16)mg.kg~:GC組(1344-22)秒,(1.66±0.22)ug.ml~,(1.41±O.1
3、9)mg.kg~。GR組、GL組與GC組有統(tǒng)計(jì)學(xué)顯著差異,1GR組與GL組之間無顯著差異。/。結(jié)論羅哌卡因硬膜外阻滯可減少異丙酚靶控輸注(TCI)時(shí)鎮(zhèn)靜催眠的用量,并縮短至意識(shí)消失所需的時(shí)間。其機(jī)理可能與硬膜外阻滯后間接導(dǎo)致中樞鎮(zhèn)靜催眠閾值降低有關(guān)?!娟P(guān)鍵詞】羅哌卡因;二異丙酚;鎮(zhèn)靜;催眠,名著舞,’i逝婆盔堂醫(yī)望瞳:2=———————————三叢生生亟±莖暾Effectofepiduralropivacaineblockonsedationandhypnosisofpropofoltarget—controlledinfusionPostgraduate
4、XiangYanTuitorZhuShengmeiDepartmentofAnesthesia,TheFirstAffiliatedHospitalofZhejiangUniversity,Hangzhou310003,China.[Abstract】ObjectiveToevaluatetheeffectofepiduralropivacaineblockonsedationandhypnosisofpropofoltarget—controlledinfusion·MethodsFiftyASAI—IIpatientsscheduledforupper
5、abdominalsurgerywererandomlyassignedintothreegroups:ropivacainegroup,(groupGR,n=15).1idocainegroup,(groupGL,n=15)andplacebo(contr01)group,(groupGC,n=20).Therewasnoanypremedicationinthreegroups.EpiduralcatheterWaSinsertedthroughtheneedleplacedatT9一I。andadvancedcephaladfor3cm.Fiftee
6、nminutesafterepidurallocalanestheticsorsalineadministration,apropofoltarget—controlledinfusion(Ct=4ug.ml。)wasstarteduntiloneminuteaftertrachealintubation.Theconsumedtimeofpatientslosingconsciousness,thetargetconcentrationandtheconsumedamountofpropofol,BIS,MAPandHRwerea1]recordedin
7、fixedtime.ResultsTheconsumedtimeoflosingconsciousness,thetargetconcentrationandtheconsumedamountofpropofolinthreegroup;were(Ill±17)second,(112---_14)second,(134+__22)second:(1.44---0.16)ug,ml~,(1.48---0.16)ug.ml~,(1.66±0.22)ug.ml。1:(1.2610.10)mg.ml~,(1.23±0.16)mg.kg~,(1.41±0.19)mg
8、.kg~、respectively.Therewere顫延鑫芏匡堂