The predictor role of FEV1 in airway management of patients under laryngeal tumor surgery.

[摘要] Backgroundandobjective::Becauseoffixedairwayobstructioninpatientswithlaryngealtumors,measurementofFEV1canhelpinpredictingthedegreeofairwayobstructionanddecidingthesafeplanforanesthesia.Materialsandmethods::154patients,40-80yearsold,withASAclassII-IIIwhowerescheduledforelectivesurgeryenrolledinthisstudy.Pulmonaryfunctiontests(PFT)wasdonebeforesurgeryforallpatients.TheyweredividedintothreegroupsbasedontheresultofPFT:Group1:FEV1#62;2.5Lwhichreceivedstandardanesthesiainduction.Group2:FEV1=1.5-2.5L,inductionwasperformedbykeepingspontaneousbreathingandGroup3:FEV1#60;1.5L:whichawakeintubationwasperformedwithtopicalanesthesia.Results::therewassignificantdifferenceinintubationtimeandattemptsamong3groups(8.91.8,10.7±1.7,15.6±6.3sec.p=.000;1.2±0.5,1.4±0.6,1.7±0.8,p=.002respectively).Failedintubationswere3,4,9inthreegroupsrespectively,whichwasnotstatisticallydifferent(P=0.1).Conclusion::Duetofixedairwayobstructioninpatientswithlaryngealtumors,FEV1canbeusedasapredictorforclassificationandchoosingasafemethodforinductionofanesthesia.

[学科分类] 基础医学

[关键词] FEV1;Laryngeal tumor;Airway management;Anesthesia induction