两种麻醉方法对老年高血压患者下肢关节置换术中心血管功能影响的研究

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1、徐州医学院硕士学位论文atdifferenttimepoints.Drawarterialbloodspecimen5mlfromtheradialarterial catheteratT0,T2,T7andT8watchpointsrespectively.Fillitinadisposablesampling tube（modelSSTⅡ,plastic,silicifiedintine,withcoagulantandserumseparationgel, BectonDickensonCo,UK）andshe

2、lveitonthetest-tubestandfortwohoursatroom temperature.Andthencentrifugatethesampletubeatarateof1000revolutionsper minutefor10mininthecentrifugalmachine（model80-2,Shanghaioperational apparatusmanufactory）toseparateserum.Later,theserumspecimenswerequicklyand scru

3、pulouslycollectedintoaminiatureserumsetter,andstoredintheultralow temperaturerefrigerator(-80℃,model702,ThermoCo,Am)waitingformassed serologictest.Peri-operativecomplicationsandadverseevents,suchasintra-operative myocardialischemia,myocardialinfarction,hypotens

4、ion,hypertension,arrhythmia, deepvenousthrombosisoflowerlimbs（intravenousangiography）,pulmonary embolism（intravenousangiography）wererecorded.Compareandanalyzethe hemodynamicparametervaluesandserumconcentrationofhighsensitivityC-reactivity proteinbetweenthetwogr

5、oups.Results①AtT1，HR,SVR,SVRIingroupAincreasedmarkedly,whileSABP、 DABP、MAP、RPPsignificantlyhigherthanthoseofgroupB.Inmosttimeduringthe operation,SABP、DABP、MAP、RPP、SVR、SVRIingroupAweresignificantlyhigher thanthoseofgroupB(p<0.05).②FromT1toT8,SABP、DABP、MAP、RPPing

6、roup Bweresignificantlylowerthanthecontrolvalue.AtT3,T4andT6~T8,SVR、SVRI decreasedpronouncedly,andweresignificantlylowerthanthoseingroupA.③After T5,HRdecreasedmarkedlytobelowcontrolvalueinbothgroups.④FromT1toT8, CVPingroupAweresignificantlyhigherthanthecontrolv

7、alue,whileonlyatT1and T2ingroupB.⑤TherewasaprominentdecreaseinCOandCIingroupAatT8,and ingroupBatT2,T3.AtT7andT8,COandCIingroupBwerenoticeablyhigherthan thoseofgroupA.⑥IngroupB,SVatT6，SVVatT6andT7increasedsignificantly, whileSVIatT6increasedhighlysignificantly.S

8、VvariationingroupBatT6was significantlylower.AtT1,SVvariationwasstrikingenoughtobeyondnormalrangein bothgroups.⑦Atothertimepoints,therewasnoobviousdifferenceincross-refer co