简介：ObjectivesToobservetherelationshipbetweenThyroidHormone(TH)levelandbloodlipidlevelinthehealthyelderlywiththerapyofsmalldoseofTH.MethodsAtotalof120healthyoldpersonswererandomlydividedintotwogroups:60oldpersonsastreatmentgroupandother60personsascontrolgroup.Eachpersoninthetreatmentgrouptookathyroidtablet10mgdailycontinuouslyforsixmonthswhilethecontrolgrouptookVitB130mgdailyinsteadofthyroidtablet.ThelevelofTH,M-TSH,FT3,FT4,TT4,rT3,TC,TG,LDL-C,HDL-C,ApoA1weremeasuredintwogroupsbeforeandafterreceivingTHorVit.B1treatment.ResultsInthetreatmentgroupthelevelofTHincreasedobviously.AndTC,TG,LDL-ClevelsdecreasedalsotosomeextentwhileHDL-C,ApoAllevelsincreasedslightlywhichwassignificantwhencomparedwiththecontrolgroupandpre-treatmentgroup.ConclusionsTousesmalldoseofTHassupplementtreatmentcanincreasetheTHlevelofhealthyoldpersonsanddecreasethei

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简介：ObjectDiastolicfunction’sassessmentisvitalinordertoproduceinformationrelevanttopatients’functionalclass,managementandprognosis.Wesoughttoinvestigatediastolicdysfunctioninessentialhypertension(EH)withorwithoutcoronaryheartdisease(CAD)usingcolorM-modeDopplerechocardiographyandtostudytherelationbetweendiastolicdysfunctionandleftventricularmassindex(LVMI)andgeometryofLV,andtodemonstratepartlythecauseofincreasedcardiovascularriskofanechocardiographicpatternofLVgeometry.Methods36normalsubjects(GroupⅠ)and107patientswithessentialhypertension(GroupⅡ)werestudiedusingcolorM-modeDopplerechocardiography.FourdifferentLVanatomicadaptationtohypertensionwerei-dentifiedbycategorizingpatientsaccordingtovaluesofend-diastolicrelativewallthickness(RWT)andLVMI.Wemeasuredtherateofpropagationofpeakearlyfillingflowvelocity(Vp),timedelay(TD)ofthepeakearlyfillingflowvelocityfrommitral

简介：ObjectivesToinvestigateserumconcentrationofprocollagentypeIcarboxyterminalpeptide(PIP),typeⅢaminopeptide(PⅢP)andtypeIcollagentelopeptide(ICTP)inessentialhypertension(EH).MethodsSerumlevelsofPIP,PⅢPandICTPin42EHpatientsand30healthycontrolweremeasuredbyradioimmunoassays.ResultsInEHpatients,serumconcentrationofPIP,PⅢPwassignificantlyhigherthanthatin30healthycontrol.AlthoughEHpatientsdidtendtoexhibitahigherserumICTPconcentrationthannormalcontrolsubjects,thedifferencewasnotstatisticallysignificant.EHpatientswithleftventricularhypertrophyexhibitedhighervaluesofPIP(P<0.05)andlowervaluesofICTP(P<0.05)thanEHpatientswithoutleftventricularhypertrophy.NosignificantdifferencewasnotedbetweentheserumPⅢPoftheEHpatientswithandwithoutleftventricularhypertrophy(P>0.05).ConclusionsTheresultssuggestthatPIPandPⅢParesensitiveserummarkersofmyocardialcollagensynthesis.Myocardialfibrosismaybeduetotheexcessivesynthesisandinsufficientdegradationofcollagen.PIP,PⅢPandICTPmaybeindirectmarkersofmyocardialfibrosis.

简介：BackgroundMyocardialdamageoftenoccursafterburns.Previously,cardiacenzymeprofilewasoftenmeasuredtodeterminemyocardialinjury,butwashardlyspecific.Inthisstudy,weinvestigatedearlychangesofplasmaN-terminalpro-brainnatriureticpeptide(NT-proBNP)overtimeanditsdiagnosticvalueinburnedpatients.Methods39patientswithheatburnedwereassignedtoheartfailuregroup(n=9),controlgroup(n=30).PlasmaNT-ProBNPandtroponinI(cTnT)weremeasuredat1st,3rd,5thdaysand7thday,andpatientsweresubdividedinto2groupsaccordingtotheircardiacfunction.ResultsNinepatientshadheartfailure(27.7%)andtheirNT-proBNPwas1676.03±2190.41pg/L.Significantdifferencewasfoundbetweentheheartfailuregroupandcontrolgroup(P<0.01).ConclusionNT-proBNPisrelatedtotheseverityofburningandcanwellreflectthestatusofmyocardialinjuryinpatientswithsevereburn,andcanbeusedasanidealmarkerformyocardialinjuryinburnedpatients.

简介：BackgroundPreviousstudieshavesuggestedthatpatientswithlowendothelialprogenitorcell(EPC)countsandimpairedendothelialcolonyformingactivityhaveahigherincidenceforcardiovasculareventscomparedtopatientswithhighEPCcountsandfavorablecolonyformingactivity.ThepathophysiologicalbasisforthisfindingmaybeaninsufficientendothelialcellrepairbyEPC.TheobjectiveofthisstudywastodeterminewhetherthenumberofEPCsinperipheralbloodwasassociatedwiththepresenceandseverityofangiographicstenosisinpatientsofthelatephaseafteracutemyocardialinfarction(AMI).MethodsOnehundredandonepatientsundergoingcardiaccatheterizationinourhospitalwereenrolledinthestudy.ThenumberofcirculatingEPCswasmeasuredbyafluorescent-activatedcellsorter(FACS).Patientswithacutecoronarysyndromeswereexcluded.ResultsComparedwithpatientswithnormalcoronaryartery,thenumberofcirculatingEPCswassignificantlyreducedamongpatientsinthelatephaseafterAMI(P<0.01).Wealsofoundthatcomparedwiththecontrolgroup,thenumberofEPCsofsingle-vesselstenosisgroupandmulti-vesselstenosisgroupweresignificantlyreduced(P=0.005;P=0.001).ConclusionsThenumberofEPCsintheperipheralbloodisdecreasedinpatientsofthelatephaseafterAMI.TheEPCsnumbercorrelatedwithangiographicstenosisseverity,whichsuggeststhatendothelialinjuryinthedeficientcirculatingEPCsmayaffecttheseverityoftheheartdisorderandtheclinicalpresentations.

简介：Tostudytherelationshipbetweenmyeloperoxidase(MPO)-463G/Apolymorphismsandsusceptibilitytocoronaryarterydisease(CAD)inHanpeopleofnorthAnhuiprovince.MethodsThecasegroupconsistedof79patientswhohadallangiographicallyprovenCADwereretrospectivelystudied.Usedpolymerasechainreaction-restrictionfragmentlengthpolymorphism(PCR-RFLP)methodstodecidethegenotypeofallthepatients.ResultsThefrequencyofAAhomozygotictypeinHanpeopleofAnhuiprovincewas1.4%.TheriskofCADforpersoncarryingatleastoneAallelegenotype(GAandAA)was0.37timesofGGgenotype.TheseverityofcoronaryarterystenosisinCADpatientscarryingatleastoneAallelegenotypewas0.197timesofGGgenotype(P<0.05).ConclusionsThefrequencyofAAhomozygotictypeandMPO-463G/ApolymorphisminHanpeopleofAnhuiprovinceinfluencedtheriskofCAD.AallelehadprotectivefunctioninCAD.

简介：Repeatcoronaryrevascularizations(RCR)arecommoninpatientsunderwentpercutaneouscoronaryintervention.ThereisnoavailablepredictionmodelforRCRatpresent.Theassociationbetweenparaoxonas-1(PON1)andthedevelopment,progression,andprognosisofcoronaryarterydiseaseisunderhotresearch.Therela-tionshipofserumPON1activitylevelandRCRhasnotbeenreported.ThisresearchaimedtodetectthedifferenceofserumPON1activitylevelsbetweenRCRandsinglecoronaryrevascularization(SCR),hencetoilluminatethevalueofPON1inpredictingRCR.MethodsSerumPON1activitylevelsof200patientswhohadachievedcompleterevascu-larizationsinfirstpercutaneouscoronaryintervention(PCI)weredeterminedbycolorimetricmethod.Allpatientsre-ceivedone-yearfollow-up.Coronaryangiographieswereperformedat6thmonth.Patientswhoneedmorerevasculariza-tionprocedureduringfollow-upwereenrolledinRCRgroup;thosewhodidnotneedmorerevascularizationprocedurewereenrolledinSCRgroup.Onehundredpatientswithnormalcoronaryangiographyduringthesameperiodweresetupasnon-coronaryheartdiseasecontrolgroup(NCC).ResultsSixtytwopatientswereenrolledinRCRgroup(28within-stentrestenosis,34withlesionprogressioninothercoronarysegments).SerumPON1activitylevelsinRCRgroup,SCRgroupandNCCgroupwere109.2±98.6μkat/L,132.8±79.4μkat/Land156.4±82.8μkat/L,respective-ly.Statisticdifferenceswerefoundamongthreegroups(P<0.05).ConclusionsSerumPON1activitylevelsarelowerinpatientswhoneedrepeatcoronaryrevascularizationsthaninpatientsneedsinglepercutaneouscoronaryinter-ventionorwithoutcoronaryheartdisease.AlowerserumPON1activityleveliscloselyassociatedtorepeatcoronaryre-vascularization.

简介：ObjectivesToelucidatethepotentialroleofcytokinesinthepathogenesisofcoronaryheartdisease(CHD).MethodsTNF-αandIFN-γactivity,IL-8levelsofplasmaandsupernatantsweremeasuredin62patientswithCHDand30healthcontrolsbymethodsofdirectcytotoxicityassay,cytopathiceffectinhibitiontestandELISArespectively.ResultsBothTNF-αactivityandIL-8levelsofplasmainCHDpatientswerehigherandIFN-γactivityofsupernatantsinCHDpatientswerelowerthanthoseofhealthycontrols(P＜0.001),TherehavesignificantdifferencesbetweenhealthycontrolsandthesubgroupsofCHD(P＜0.01).IL-8levelsofplasmaincreasedwiththeadvancingofthediseaseandtherehaveobviousdifferencesamongsubgroupsoftheillness(P＜0.05).TNF-αactivityofplasmainstableanginapectoris(SAP)subgroupwaslowerthanthoseofunstableanginapectoris(UAP)andacutemyocardialinfarction(AMI)subgroups,thedifferencesbetweenSAPandUAPorAMIweresignificant(P＜0.05),ButtherehavenosignificantdifferencesbetweenUAPandAMI(P＞0.05).However,IFN-γactivityofsupernatantsshowednodifferenceamonganysubgroups.ConclusionstherehavecloserelationsbetweenTNF-α,IFN-γ,IL-8andCHD.

简介：ObjectivesToinvestigatetherelationshipofserumleptinconcentrationwiththelipidsandbodymassindex(BMI)inpatientswithchroniccongestiveheartfailure(CHF).MethodsTheserumconcentrationofleptinin39patientswithCHF(14incardiacfunctionclassⅡ,21inclassⅢ,4inclassⅣ,NYHA)andin46patientswithcardiacfunctionclassⅠ(NYHA)wereassessedbyradioimmunoassay.ResultsTheserumconcentrationofleptinwere9.018±4.519μg/linCHFgroup(cardiacfunctionclassⅡ11.492±5.649μg/l,classⅢ7.763±3.321μg/l,classⅣ6.100±2.657μg/l);11.674±6.911μg/linclassⅠgroup.TheserumconcentrationsofleptinweresignificantlylowerinCHFgroup,ascomparedwithclassⅠgroup(P<0.05).Moreover,thedecreaseofserumleptinconcentrationwassignificantlycorrelatedwiththedecreasedserumconcentrationsoftotalcholesterol,triglyceride,bodymassindexandleftventricularejectionfractioninCHFgroup,respectively(P<0.05).ConclusionsThesignificanceofthedecreaseinserumleptininCHFpatientsneedsfurtherstudy.

简介：ObjectivesToevaluatetheeffectivenessoffirebirdstentforthetreatmentofcoronarydenovolesioncomparedwithcypherstent.MethodsNinety-oneconsecutivepatientswith156lesionswhounderwentcoronarycypher(n=68lesions)andfirebird(n=88lesions)implantation,quantitativecoronaryangiography(QCA)wasperformedatthetimeofstentimplantationandsubsequentlyat8monthspost-stenting.Smallvesseldiseasewasdefinedas≤2.5mmofreferencevesseldiametermeasuredbyQCA.Majoradversecardiacevents(MACE)includingdeath,thrombosis,nonfatalmyocardialinfarctionandtargetlesionrevascularization(TLR)werecomparedbetweenthetwogroups.ResultsBaselineclinicalcharacteristicsandangiographicparametersweresimilarbetweenthetwogroups.Seven-monthangiographicfollow-up,thelatelosswasnotdifferentbetweenthetwogroups(0.14±0.38mmvs0.13±0.17mm,P>0.05).Similarly,overallthrombosisrateweresimilarinbothgroups(1.5%vs1.1%,P>0.05).However,in-stentrestenosisaswellasin-segmentrestenosisrateweresignificantlyhigherincyphergroupthanthatinfirebirdgroup(4.4%vs0%and19.1%vs3.4%,P=0.047andP=0.001respectively).TLRwasalsohigherinthecyphergroup(10.3%vs2.3%,P=0.033)comparedwithfirebirdgroup.ConclusionsInthissmallsamplesize,non-randomizedstudy,thedataindicatedthatimplantationoffirebirdstentforthetreatmentofsmallcoronarylesionshowedmorefavorableresultsinrespectiveofrestenosiscomparedwithcypherstentimplantation.Amulti-center,large-samplesize,randomizedstudy,therefore,maybewarranted.

简介：BackgroundThisstudytestedthehypothesisthatmoderatealcoholintakeexertsitscardioprotectiveeffectmainlythroughanincreaseintheserumlevelofhigh-densitylipoproteincholesterol.MethodsandResultsIntheCohortofNorway(CONOR)study,149729adultparticipants,recruitedfrom1994to2003,werefollowedbylinkagetotheCauseofDeathRegistryuntil2006.Atrecruitment,questionnairedataonalcoholintakewerecollected,andtheconcentrationofhigh-densitylipoproteincholesterolinserumwasmeasured.UsingCoxregression,wefoundthattheadjustedhazardratioformenfordyingfromcoronaryheartdiseasewas0.52(95%confidenceinterval,0.39-0.69)whenconsumingalcoholmorethanonceaweekcomparedwithneverorrarely.Theratiochangedonlyslightly,to0.55(0.41-0.73),aftertheregressionmodelincludedtheserumlevelofhigh-densitycholesterol.Forwomen,thecorrespondinghazardratioswere0.62(0.32-1.23)and0.68(0.34-1.34),respectively.ConclusionsAlcoholintakeisrelatedtoareducedriskofdeathfromcoronaryheartdiseaseinthefollow-upofalarge,population-basedNorwegiancohortstudywithextensivecontrolforconfoundingfactors.Ourfindingssuggestthattheserumlevelofhigh-densitycholesterolisnotanimportantintermediatevariableinthepossiblecausalpathwaybetweenmoderatealcoholintakeandcoronaryheartdisease.

简介：BackgroundEssentialhypertension(EH)isconsideredtobeoneofthemostimportantriskfactorofischemicstroke.Studiesaboutriskfactorsinthepatientsaremeaningfulinearlyforecastandeffectivepreventionoftheonsetofstroke.Renin-angiotensin-aldosteronesystemplaysanimportantroleintheregulationofbloodpressureandthedevelopmentofstroke,whilerecentstudieshavefoundthattheangiotensin-convertingenzyme2(ACE2)maybeareversalagentforthedevelopmentandprogressionofischemicstroke.MethodsTheACE2genewasmeasuredin139EHpatientswithischemicstrokeusingpolymerasechainreaction(PCR)andrestrictionfragmentlengthpolymorphism(PCR-RFLP)tests.Detailedandcompleteclinicalandbiochemicaldatawerecollected,includingpulsepressure,hsCRP,IMT,HDL-Canduricacidlevels.Studythecorrelationbetweenangiotensin-convertingenzyme2geneandtheriskfactorforonsetofischemicstrokeinEHpatients.ResultsPulsepressure,hsCRP,IMTanduricacidlevelshadapositivecorrelationwithon-setofischemicstrokeinEHpatients.Amongmalepatients,pulsepressure,hsCRP,IMTandHDL-CwerehigherinpatientscarryingAallelethanBallele(P<0.05).Whilethesefactorsweredifferentinfemalepa-tientscarryingdifferentgenotypesinwhichAAallelewerehighest.Patientswithvariousgenotypesshoweddifferenturicacidlevelsbutshowednosignificantdifference.ConclusionAmongEHpatientswithcomplicatedischemicstroke,thosecarryingtheA/AAalleleshowhighlevelofriskfactorsandislikelytohavethesusceptibilityofrecurrenceofstroke.

简介：BackgroundTherewerefewstudiestoexploretherelationshipbetweenpostoperativemeansystolicbloodpressure(PMSBP)within6haftercardiaccatheterizationandcontrast-inducednephropathy(CIN).MethodsFromJune2010toFebruary2013,299consecutivepatientsundergoingcardiaccatheterizationwererecruited.PatientswereclassifiedintoquartilesbasedonPMSBP(<112,112-120,121-131,and>132mmHg).Baselinedata,CINincidenceandin-hospitaloutcomeswerecomparedbetweenthegroups.LogisticregressionwasusedtoassesstherelationshipbetweenPMSBPandCIN.ResultsCINoccurredin26(8.7%)patients.TheincidenceofCINinPMSBPquartileswere15.3%(11/72),15.1%(11/73),2.4%(2/82)and2.8%(2/72)(P=0.001)respectively.Therewerenosignificantdifferenceinin-hospitaldeath,renalreplacementtherapyandintra-aorticballoonpump(IABP)supportbetweenthegroups(P>0.05).UnivariatelogisticregressionanalysisshowedthatPMSBPwassignificantlyassociatedwithCIN(OR=0.956,95%CI:0.928-0.986,P=0.004).Multivariatelogisticregressionanalysisfoundthatafteradjustingbaselineestimateglomerularfiltrationrate,age>75yearsandacutemyocardialinfarction,PMSBP<120mmHgwasstillanindependentriskfactorforCIN(OR=5.049,95%CI:1.820-14.009,P=0.002).ConclusionsLowerPMSBPwassignificantlyassociatedwithanincreasedriskofCIN.PMSBP<120mmHgwasanindependentriskfactorforCIN.Intensiveblood-pressurecontrolaftercardiaccatheterizationmightincreasetheriskofCIN.

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简介：backgroundStudieshavebeeninconsistentregardingwhetherhyperuricemia,eitherdiuretic-ornondiuretic-induced,isanindependentriskfactorforcardiovascularevents.Thestudyinvestigatedtheassociationofcardiovasculardiseasewithdiuretic-andnondiuretic-inducedelevatedserumuricacid.MethodsAcommunity-basedcross-sectionstudywasconductedin5,235treatedanduntreatedhypertensivepatientsaged40-75years.Conventionalriskfactors,serumuricacidandthepresenceofcardiovasculardiseaseweredetermined.Hyperuricemiawasdefinedasserumuricacidlevels≥420μmol/Linmenor≥360μmol/Linwomen.ResultsHyperuricemiawasmorecommoninmenthaninwomen(21.5%vs.10.2%,P<0.001).Afteradjustmentforageandotherconventionalriskfactors,hyperuricemiawasassociatedwithmetabolicsyndrome,decreasedcreatinineclearance,anduseofdiureticsinbothgenders,aswellasageinwomenandalcoholconsumptioninmen.Thepresenceofcoronaryarterydiseaseorstrokeincreasedsignificantlywiththeincreaseofquartilesofserumuricacid(8.0%,11.0%,13.4%,and16.8%,respectively,P<0.01),andthehighestserumuricacidquartilewasassociatedwitha1.8-foldriskforcardiovasculardisease(OR:1.83,95%CI:1.24-2.71)inuntreatedwomen.Butthisassociationwasnotobservedinuntreatedmenaswellasintreatedpatientsusingdiureticsinbothgenders.ConclusionsHyperuricemiaismarkedlyassociatedwithmetabolicsyndrome,decreasedcreatinineclearance,useofdiureticsbesidesalcoholconsumptioninmenandageinwomen.Elevatedserumuricacid,butnotthatdiuretic-induced,maybeassociatedwithincreasedtheriskofcardiovasculardiseaseinuntreatedhypertensivewomen.

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简介：Radiationexposureisahazardforpatientsandphysiciansduringfluoroscopically-guidedprocedures.Invasivecardiologistsareexposedtohighlevelsofscatterradiationandbothincreasingproceduralcomplexityandhigheroperatorvolumescontributetoexposureaboverecommendedthresholds.Standardshieldingdoesnotoffersufficientprotectiontotheheadandneckregionandthepotentialfornegativebiological,subclinical,andclinicaleffectsexists.Largepopulationstudiessuggestthatcranialexposuretolowdoseradiationincreasestherisksoftumordevelopment.Inaddition,modestdosesoftherapeuticcranialradiationhavebeenlinkedwiththedevelopmentofbraincancer.Althoughacausalassociationbetweenscatterradiationinthecathlabandbraincancerdoesnotcurrentlyexist,giventheknowndetrimentaleffectsofradiationexposuretotheheadandneckregionsupportafocusonpotentialmethodsofprotectionforboththepatientandtheoperator.

简介：BackgroundInpatientswithacutecoronarysyndrome(ACS),loweradmissionsystolicbloodpressure(SBP)levelsinferaworseprognosis.However,thepredictivepotentialofadmissionSBPon1-yearmortalityhasnotfullyelucidatedinpatientswithnon-ST-segmentelevationACS(NSTEACS).MethodsWeenrolled1325patientstoinvestigatetheassociationbetweenadmissionSBPinpatientshospitalizedforNSTEACS.WeanalyzedtheassociationbetweenadmissionSBPand1-yearmortality.AdmissionSBPwascategorizedaslow(<110mmHg),normal(110-140mmHg),high(141-160mmHg),andveryhigh(>160mmHg).ResultsComparedwithpatientswithnormaladmissionSBP,thosewithlowSBPhadasignificantlyincreasedhazardratios(HRs)for1-yearmortalityof3.03(P<0.05),whilepatientswithhighandveryhighadmissionSBPhadnosignificantlyincreasedHRsfor1-yearmortality.ConclusionLowadmissionSBP,butnotelevatedadmissionSBP,isastrongindependentpredictorof1-yearmortalityinpatientswithNSTEACS.

简介：BackgroundItiswellknownthattherewasasignificantlinkbetweenpreproceduralbloodglucoselevelsandshort-termandlong-termadverseoutcomesinpatientsundergoingelectivePCI.However,theroleofpre-proceduralbloodglucoselevelsasapredictorofadverseeventsinCKDpatientswhounderwentPCIoutofestablisheddiabeteshasyettobeidentified.MethodsInourstudy,weconductedaprospectivestudyof331acutecoronarysyndrome(ACS)patientswithCKDwhounderwentPCIoutofestablisheddiabetes.Patientsweredividedintotwogroupsbasedonpre-proceduralglucoselevels(hypoglycemia<7.0mmol/L;hyperglycemia≥7.0mmol/L).Allpatientswerefollowedupprospectivelyformajoradversecardiovascularevents(MACEs)andmortalityfor6months.ResultsInourcohort,hyperglycemiapatientsreportedahigherincidenceofin-hospitalmortalitythanhypoglycemiapatients(7.5%vs.0%,P<0.001).Hyperglycemiapatientsreportedasignificantlyhigherrateof6-monthMACEs(10%vs.2.4%,P=0.007),allcausemortality(7.5%vs.1.6%,P=0.015),andcardiovascularmortality(6.2%vs1.6%,P=0.041)comparedwithhypoglycemiapatientswithpre-proceduralglucoselevels<7.0mmol/L.Multivariateanalysisdisclosedthatapre-proceduralglucoselevel≥7.0mmol/LwasasignificantindependentpredictorofMACEs(OR=2.53,95%CI1.68-17.15,P=0.004),allcausemortality(OR=4.6,95%CI1.10-18.84,P=0.036),andcardiovascularmortality(OR=6.2,95%CI1.53-24.94,P=0.011)at6monthsinpatientsafterPCI.ConclusionThestudysuggestedthatpre-proceduralglucoselevelsareassociatedwithshort-termcardiovascularoutcomeCKDpatientswhounderwentPCIwithoutestablisheddiabetesinthesettingofACS.