简介：Rightventricularfailure(RVF)remainstheprimarycauseofdeathinpatientswithpulmonaryarterialhypertension.WereviewthepathophysiologyofRVF,includingtheremodelingandventriculoarterialuncouplingthatoccurswhenthefailingrightsideoftheheartisunabletocompensateforarisingafterload.Secondly,thenoninvasiveimagingtechniquesusedintheassessmentofRVFareexplored,includingechocardiography,cardiacmagneticresonanceimaging,computedtomography,andpositronemissiontomography.Third,wedescribehowtheseimagingtechniquesandapatient’sclinicalcharacteristicsmaybeusedtodetermineprognosis.Lastly,weexplorethemedicalandsurgical/interventionaltreatmentoptionsforRVF.Despitethesetreatmentoptions,morbidityandmortalityremainhighinthispatientpopulation.Thediscoveryofnewprognosticindicators,useofhybridimagingforearlydetectionofRVF,andstrategiestopreventthedevelopmentofRVFwillbeimportantifoutcomesinthispatientpopulationaretoimprove.

简介：BackgroundPregnancycomplicatingpulmonaryarterialhypertension(PAH)isalife-threateningobstetricalcomplication.FewstudieshavereportedtheclinicalcharacteristicsandoutcomesofpregnantwomenwithPAH.MethodsRetrospectivelyanalysiswasconductedon86casesofpregnantwomenwithPAHattheDepartmentofObstetricinGuangdongGeneralHospitalbetween2009and2014.Dataincludedpatients'age,theetiologiesofPAH,clinicalclassificationoftheNewYorkHeartAssociation(NYHA),gestationalweeks,deliverymode,maternalandfetaloutcomes.Results1Therewere2casesofidiopathicpulmonaryarterialhypertension(IPAH)and84casesofsecondarypulmonaryarterialhypertension.Thelatterwascomposedby40(47.61%)casesofcongenitalheartdisease(CHD),38(45.23%)casesofrheumaticheartdisease(RHD),3(3.57%)casesofsystemiclupuserythematosus(SLE)and1(1.19%)caseofpartialhydatidiformmole.ThenumberofpatientsclassifiedinNYHAI~IVwere8(9.30%),41(47.67%),26(30.23%)and11(12.7%),respectively.Andthemortalitywas3.48%(3/86).2Amongthe86patients,31(36.04%)womengavebirthattermand36(41.86%)hadprematuredelivery.Inaddition,16(18.6%)womenhadanabortionlessthan28weeks.Therewereatotalof65(75.58%)livebirths,61(93.84%)ofwhomweredeliveredviacesareansection,whiletheother4(6.15%)werevaginaldeliveries.3Patientsweredividedinto3groups,12ofmild(<40mmHg),35ofmoderate(40~70mmHg)and39ofsevere(≥70mmHg)regardingthepulmonaryarterysystolicpressure(sPAP)measuredbyultrasound.WedefinedtheformertwoasgroupAandthelatterasgroupB.Thesignificancewasseenstatisticallyingestationalweeks(32.86±8.86gvs28.76±9.84),therateoftransferringtoICU(19.14%vs53.84%),neonatalbirth-weight(2725.69±467.43vs2044.82±665.75g),APGARscoring(9.97±0.16vs8.68±2.08),maternalstatusofheartfunctionandadversepregnantoutcomes,whencomparedgroupAwithB.AlltheP-valuesmentionedabovew

简介：INTRODUCTIONPulmonaryarteriovenousfistula(PAVF)isararecongenitalpulmonaryvascularmalformationwiththeincidenceof2-3/100,000.Itistheabnormalcommunicationbetweenthepulmonaryarteryandpulmonaryvein.Theclinicalmanifestationsofthisdiseasearevarioussothatitiseasytobemisdiagnosed1.Atpresent,DSAisthegoldstandardforthediagnosisof

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