简介：

简介：一首忧伤的曲子伴着许巍走出古老的城墙，一支优美的旋律唱出了他对古都的一往情深、对生活的激情四溢……

简介：ObjectivesToanalyzethesix-minutewalktest(6MWT)andgasexchangeof5hearttransplantationpatientsandtoapproachthevariationtendencyofexercisetolerance,oxygenuptake(VO2)andheartratechronotropicresponse.Methods5casesofhearttransplantationpatients(age25～52years)wereundertaken6MWT6～30monthsafteroperation,synchronizinggasexchangingparametersweremeasuredbywirelessportableremotesensingK4B2gasanalyzer,51normalcontrolswerecompared.ResultsThesix-minutewalkdistance(6MWD)of5patientswere(592.6±26.7)m(558～625)m,theascendingtendencyduringexercisewasslower,themaximumheartrateswere80%±6%ofage-predictingmaximalheartrate,lowerthannormalcontrol(86%);theendpointVO2/kgwere(21.8±1.4)mL/min·kg(19.94～23.60)mL/min·kg.ConclusionsThe6WMDandVO2of5patientsreachednormalrange,buttheheartratechronotropicresponseandVO2ascendingtendencywereslowerthanthoseofnormalcontrols.

简介：

简介：ObjectivesToassesstherelationshipbetweenpeakoxygenconsumption(PVO2)andtheambulationdistanceinsix-minutewalktest(6MWT)amongthehealthysubjects.MethodsThe51healthysubjectswererecruitedforthesix-minutewalktest.Dataofpulmonarygasexchangebreathbybreath,suchasVO2,VCO2werereal-timemeasuredwithwirelessremotesensingK4B2,sotostudytherelationshipbetweenpeakoxygenuptakeandtheambulationdistance.ResultsItwasnoticedthattherewasapositivelinearcorrelationbetweentheambulationdistanceandPVO2(r=0.619,P<0.001)insix-minutewalktest.Theregressionequationwassetup(VO2/kg=0.05D-6.331,P<0.001).PVO2>PVCO2,R<1werefound,whichsuggestedthat6MWTwasatestbelowanaerobicthreshold.ConclusionsTherewasacloselypositivelinearcorrelationbetweentheambulationdistanceandPVO2,whichissafety,convenientandvaluablefortheevaluationofcardiopulmonaryfunctionandthetreatmentofcardiopulmonaryrehabilitation.