白癜风治疗最好的医院在哪 http://pf.39.net/bdfyy/bjzkbdfyy/PulmonaryVascularandRightVentricularBurdenDuringExerciseinInterstitialLungDisease
Abstract
Background:Pulmonaryhypertension(PH)adverselyaffectspatient’sexercisecapacityininterstitiallungdisease(ILD).Theimpactofpulmonaryvascularandrightventricular(RV)dysfunction,however,hastraditionallybeenbelievedtobemildandclinicallyrelevantprincipallyinadvancedlungdiseasestates.
ResearchQuestion:Theaimofthisstudywastoevaluatetherelativecontributionsofpulmonarymechanics,pulmonaryvascularfunction,andRVfunctiontotheILDexerciselimit.
StudyDesignandMethods:Forty-ninepatientswithILDwhounderwentrestingrightheartcatheterizationfollowedbyinvasiveexercisetestingwereevaluated.PatientswithPHatrest(ILD+rPH)andwithPHdiagnosedexclusivelyduringexercise(ILD+ePH)werecontrastedwithILDpatientswithoutPH(ILDnon-PH).
Results:PeakoxygenconsumptionwasreducedinILD+rPH(61±10%predicted)andILD+ePH(67±13%predicted)