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ID:33794655
大小:1.30 MB
页数:32页
时间:2019-03-01
《超声观察不同偏头位对颈内静脉和颈总动脉解剖关系的影响》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Abstractincreasedcomparedto0°,whiletherewerenosignificantdifferencesamong15°to45°.2.Atbothlevels,thesafepuncturerangeofRIJVincreasedparallellywithheadrotationwithin0°to30°,andtherewasnostatisticaldifferencebetween30°and45°.3.Atprominentialaryngealevel,theoverlappingdeg
2、reedecreasedasheadrotationincreasedfrom0°to30°,andnostatisticaldifferencewasfoundbetween30°and45°.Therewerenosignificantdifferencesamongdifferentrotationsattrianglelevel.4.Atbothprominentialaryngeaandtrianglelevels,RIJVlocatedmainlyatlateralandposterior-lateralposition
3、s.Besides,αangleextendedalongwithgraduallyincreasingRIJVshiftedtolateralpositionwhileheadrotationchangingfrom0°to45°.5.ThedistanceincludingtheskintothemidpointofRIJVdecreasedasheadrotationincreasing.6.CAAattrianglelevelwassmallerthanthatatprominentialaryngealevel,while
4、RIJVwasthickerandthesafepunctureareawaslarger.Inaddition,theoverlappingdegreewaslessandtheratiooflateralpositionwashigherthanprominentialaryngealevelatthesameheadrotation.Conclusion:ThepunctureconditionsforRIJVcatheterizationweremoreoptimalat30°to45°ofheadrotation.RIJV
5、locatedmainlyatlateralandposterior-lateralpositionsatdifferentrotationsandRIJVgraduallyshiftedtolateralpositionwhileheadrotationincreasing.Itwouldbemuchbettertoselecttrianglelevelforcentralvenouscatheterizationthanprominentialaryngealevel.Keywords:Ultrasonic;Internalju
6、gularvein;Commoncarotidartery;AnatomyV目录目录第1章前言...............................................................................................................11.1中心静脉置管背景及其应用现状·················································11.2动脉损伤是最常见机械并发症,可引起致命后果···················
7、········11.3IJV与CAA重叠会增加动脉损伤的风险·······································21.4采取偏头位会改变RIJV与CAA的重叠程度·································21.5目前研究存在的问题································································31.6研究目的和意义·····················································
8、·················4第2章试验对象与方法.........................................................................................
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