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1、广州医学院丙泊酚靶控输注诱导时血浆靶浓度和效应室靶浓度对中青年血液动力学的影响Theeffectsofplasmaoreffectsitecontrolledpropofoltarget-controlledinfusioninductiononhemodynamicsintheyoungandmidle-agedpatientsPostgraduate:HuangZhaominTutor:HuangHuanSenOuyangBaoyiAbstractBackgroundandobjectivePropof
2、olisatypeofintravenousanestheticwidelyusedinclinicpractice,whichcharacteristicofrapidonset,quickeliminationanddose-dependentrespiratoryandcirculatoryinhibition.Nowadays,targetcontrolledinfusion(TCI)isanimportantimprovementinintravenousanestheticadministrat
3、ion,whichregulatesheanesthesiadepththroughtargetplasmaoreffect-siteconcentrationadjustmentbasedonpharmacokineticsandpharmacodynamics,thereforemodulatesedationandanesthesiamoreconvenientlyandexactly.Itismoretractablethantheconventionalmethodfordruginfusion.
4、Duringanesthesiainduction,TCIenablesarelativelystableplasmaconcentrationwhichleadstoamoreidealdepthmaintenance,therebyinhibitsthestressresultingfromtrachealintubationorsurgicalmaneuvereffectively.Atpresent,propofolTCIhasalreadybeengeneralizedtoboththeyoung
5、andtheelderlypatients.However,thereisalagfortheplasmaconcentrationtomatchtheeffect-siteconcentration.Recently,manyauthorsstarttopaycloseattentiontomoreeffectivemodeofinduction,targeteffect-siteconcentrationcontrolledinfusion,whichisaTCIbasedontargeteffect-
6、siteconcentration.Itdisplaytheadvantagesofrapidonsetandsensitiveadjustmentofanesthesiadepth.However,becauseofitsovershooting,themoreelderthepatientis,thelesstoleranttoTCI.OurstudyaimstofindtheadvantagesanddisadvantagesofboththetwomodesofTCIthroughobserving
7、pharmacodynamicchangeduringanesthesiainduction.5万方数据广州医学院丙泊酚靶控输注诱导时血浆靶浓度和效应室靶浓度对中青年血液动力学的影响MethodsSubjects:Fortypatients(16maleand24female)agedfrom31to50yearsoldscheduledforelectivesurgerywereenrolled.AllthepatientswereASAI~II,BMI(male:19.5~24.5kg/m2,femal
8、e:18.5~23.5kg/m2),withnormalcardiacfunctionandpulmonaryfunction,withoutcardiovasculardiseasessuchashypertensionorcoronaryarterydiseaseorhistoryofallergytopropofol,withoutpremedicationorsedativeswithin24hoursb