超声技术在麻醉科PPT课件.pptx

超声技术在临床麻醉中的应用

郑州大学第一附属医院麻醉科彭周全1

病例1Case1A28-year-oldwomanwithahistoryofankylosingspondylitiswasadmittedtoourhospitalat39weeksgestation.Shewas159cmtallandweighed74kg(BMI:29.3kg/m2).Apastradiographshowedfusionofthespinefromthecervicaltothelumbarregions,andanossifiedligamentumlavumf.Preoperativeairwayexaminationshowedadequatemouthopeningwithnormaldentition,MallampatigradeIV,andrestrictedneckmobility.AnesthAnalg.2011Jul;113(1):134-72

Bilateralultrasound-guidedtransversusabdominiplane

blockcombinedwithilioinguinal-iliohypogastricnerve

blockforcesareandeliveryanesthesiaMeiW,JinC,FengL,ZhangY,LuoA,ZhangC,TianY.DepartmentofAnesthesiologyH,Tongjioital,TongjiMedicalCollege,HuazhongUniversityofScienceandTechnology,JiefangAve.1095#,430030Wuhan,China.AbstractTheultrasound-guidedtransversusabdominisplaneblockandilioinguinal-iliohypogastricnerveblockhavebeenshowntoprovidepainreliefafterabdominalsurgery.Acombinationofthe2blocksmayprovideacceptablesurgicalanesthesiaforcesareandelivery.Wedescribe4womenwhohadcontraindicationstoneuraxialanesthesia,whounderwentcesareandeliverywithultrasound-guidedbilateraltransversusabdominisplaneblockcombinedwithilioinguinal-iliohypogastricnerveblockusing40mL0.5%ropivacaine.BreakthroughpainduringthedeliveryofthefetuswastreatedwithsmalldosesofIVketamineandpropofol.Wesuggestthatthistechniquemaybeanalternativetolocalanesthesiaforcesareandeliveryinclinicalpractice.AnesthAnalg.2011Jul;113(1):134-73

什么是超声波人能听到的声音范围是20赫兹-20000赫兹超声波是声源振动的频率大于20000赫兹的机械波超声探头就是把电能转化为超声机械能的装置4

超声应用血管穿刺神经阻滞临床监护＆指导治疗5

Anatomyoftheultrasoundbeam超声束的解读Soundwaveisfocusedintoathin“slice”声波集中到一个薄片上Approximatethicknessofacreditcard近似一张信用卡的厚度(超声波切面的宽度一般在0.3mm)因此穿刺针越细，越不易在超声图像中显示6

超声图像识别和获取不同组织的成像特点动脉无回声，有搏动静脉无回声，可压缩肌肉筋膜高