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3F-ICU2013.12ARDS的综合治疗3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()ARDStodaystillwithhighincidenceandmortality邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Pathophysiology:1.Diffusealveolardamage(cytokines,proteases,reactiveoxygenspecies,matrixmetalloproteinases,IL-1,6,8,TNF)2.Alveolarcapillaryleakage(typeIepithelialcells,barrierbreakdown)邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Diagnosis邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Therapyimprovements邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Mechanicalventilation邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()多中心,随机对照12ml/PBW,Pplat45-50cmH2Ovs

6ml/PBW,Pplat25-30cmH2O入组:861人,提早结束邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()NetoAS,CardosoSO,ManettaJA,etal.JAMA,2012,308(16):1651-1659.邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Vt6-8ml/kgPBWPplat<20cmH2OPEEP4-8cmH2O邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()WiedemannHP,WheelerAP,BernardGR,etal.NEnglJMed,2006,354(24):2564-2575.邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Corticosteroidstherapy激素邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()随机,双盲,对照纳入人数:180人.开始使用时间:7天后方案:2mg/kg(理想体重)bolus+0.5mg/kgq6h*14d+0.5mg/kgq12h*7d+2-4d逐步停用邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()随机,双盲,对照5家医院的ICU纳入人数:91人,2:1匹配.开始使用时间:诊断ARDS后3天内.使用方案:1mg/kgbolus+1mg/kg/d*14d+0.5mg/kg/d*7d+0.25mg/kg/d*4d+0.125mg/kg/d*3d邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()肌松药(NMBA)邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()多中心(法国20家ICU)双盲对照入组人数:340人开始使用时间:明确重症ARDS48h内

P/F<150,PEEP>5cmH2O,Vt6-8ml/kg使用方案:苯碳酸顺阿曲库铵,15mgivbolus+37.5mg/h*48h邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()PronePositioning俯卧位通气PaoloTaccone,AntonioPesenti,RobertoLatini,etal.

JAMA,2009,302(18):1977-1984.邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()多中心(意大利23个,西班牙2个),随机非盲对照纳入人数:342人,研究组168人,对照组174人

中度ARDS192人(P/F100-200mmHg)

重度150人(<100mmHg)俯卧位通气:至少20h/d.治疗时间:诊断ARDS72h内开始

至病情恢复或28d邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()多中心(法国26家ICU,西班牙1家)随机对照纳入人数:466人重症:P/F<150mmHg,FiO2>0.6,PEEP>5cmH2O,Vt6ml/PBW俯卧位通气:至少16h/d时间:ARDS36h内邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()肺复张RMPCV法

1.镇静2.降低FiO2至维持SpO290%,通过SpO2的变化判断肺复张操作的效果3.PCV模式:

基础压力:维持潮气量8ml/kg的PplatPIP:

35cmH2O开始,每个压力重复3-5次,每次3-5个呼吸周期,然后回到基础压力。如无效,调整PIP每次5cmH2O。每次气道吸引或环路脱开后,重复肺复张。Ti:延长直至吸气末有停顿时间Rr:可增加呼吸频率至20bpmPEEP:从20cmH2O(重度ARDS)逐步下调;或10cmH2O逐步上调邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()CPAP法:CPAP35-40cmH2O

维持40秒,最大压力40cmH2O,15分钟重复。邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()ECMOLungreststrategyExtracorporealLifeSupportOrganization(ELSO)ECMOconsidered:P/F<150mmHgonFiO2>90%;andMurrayScore2-3;mortalityrisk>50%.ECMOstarted:P/F<80mmHgonFiO2>90%andMurrayScore3-4;PaCO2>80mmHg,Pplat>30cmH2O;mortalityrisk>80%.邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()?邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Independentlungventilation

独立肺通气single(mostly)ordoubleventilatorssingleordouble-lumen(mostly)tubeasynchronousorsynchronous(mostly)邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()HighfrequencyoscillatoryventilationPartialliquidventilation

(perfluorocarbon)邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()HighfrequencyoscillatoryventilationPartialliquidventilation(perfluorocarbon)NitricoxideProstacyclins(PGE)Exogenoussurfactants邵逸夫医院重症医学科3F()3F()3F()3F()3F()3F()Antioxidantsβ2agonistω-3fattyacidCel

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