Intramyocardial Adrenergic Activation in Chagasic Cardiomyopathy and Coronary Artery Disease

dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorNASTARI, Luciano
dc.contributor.authorRAMIRES, Felix Jose Alvarez
dc.contributor.authorSALEMI, Vera Maria Cury
dc.contributor.authorIANNI, Barbara Maria
dc.contributor.authorFERNANDES, Fabio
dc.contributor.authorSTRUNZ, Celia Maria
dc.contributor.authorARTEAGA, Edmundo
dc.contributor.authorMADY, Charles
dc.date.accessioned2017-11-27T16:24:34Z
dc.date.available2017-11-27T16:24:34Z
dc.date.issued2011
dc.description.abstractBackground: Myocardial norepinephrine is altered in left ventricular impairment. In patients with Chagas' cardiomyopathy (CC), this issue has not been addressed. Objective: To determine the level of myocardial norepinephrine in patients with CC and compare it in patients with coronary artery disease, and to relate myocardial norepinephrine to left ventricular ejection fraction (WEE). Methods: We studied 39 patients with CC, divided into group 1: 21 individuals with normal LVEF and group 2: 18 individuals with decreased LVEF. Seventeen patients with coronary artery disease were divided into group 3: 12 individuals with normal LVEF and group 4: 5 individuals with decreased LVEF. Two-dimensional echocardiography was used to measure LVEF. Myocardial norepinephrine was determined by high-performance liquid chromatography. Results: Myocardial norepinephrine in CC with and without ventricular dysfunction was 1.3 1.3 and 6.1 +/- 4.2 pg/mu g noncollagen protein, respectively (p<0.0001); in coronary artery disease with and without ventricular dysfunction, it was 3.3 +/- 3.0 and 9.8 +/- 4.2 pg mu g noncollagen protein, respectively (p<0.0001). A positive correlation was found between LVEF and myocardial norepinephrine concentration in the patients with Chagas' cardiomyopathy (p<0.01, r = 0.57) and also in those with coronary artery disease (p<0.01, r=0.69). A significant difference was demonstrated between norepinephrine concentrations in patients with normal WEE (groups 1 and 3; p = 0.0182), hut no difference was found in patients with decreased LVEF (groups 2 and 4; p = 0.1467). Conclusion: In patients with Chagas' cardiomyopathy and normal global ejection fraction there is an early cardiac dolma lion, when compared to coronary artery disease patients. (Arq Bras Cardiol 2011; 96(2): 99-106)
dc.description.abstractFundamento: La norepinefrina miocárdica está alterada en la disfunción ventricular izquierda. En pacientes con cardiomiopatía chagásica (CC), esa cuestión aun no fue discutida.Objetivo: Determinar el nivel de norepinefrina (NE) miocárdica en pacientes con CC y compararla en pacientes con enfermedad arterial coronaria (EAC) y relacionar NE miocárdica con la fracción de eyección del ventrículo izquierdo (FEVI).Métodos: 39 pacientes con CC, divididos en grupo 1: 21 individuos con FEVI normal y grupo 2: 18 con FEVI disminuida. Diecisiete pacientes con EAC fueron divididos en grupo 3: 12 individuos con FEVI normal y grupo 4: 5 individuos con FEVI disminuida. Ecocardiografía bidimensional fue usada para medir la FEVI. La NE miocárdica fue determinada a través de Cromatografía Líquida de Alta Eficiencia (HPLC). Resultados: La NE miocárdica en la CC con y sin disfunción ventricular fue 1,3±1,3 y 6,1±4,2 pg/μg de proteína no colagenosa, respectivamente (p<0,0001); en la EAC con y sin disfunción ventricular, fue 3,3±3,0 y 9,8±4,2 pg/μg de proteína no colagenosa, respectivamente (p<0,0001). Una correlación positiva fue observada entre la FEVI y la concentración de NE miocárdica en pacientes con CC (p<0,01; r=0,57) y también en aquellos con EAC (p<0,01; r=0,69). Una diferencia significativa fue demostrada entre las concentraciones de NE en pacientes con FEVI normal (grupos 1 y 3; p = 0,0182), pero ninguna diferencia fue observada en pacientes con FEVI disminuida (grupos 2 y 4; p = 0,1467). Conclusiones: Pacientes con CC y fracción de eyección global normal presentan una denervación cardíaca precoz, cuando son comparados a pacientes con enfermedad arterial coronaria.patía chagásica, norepinefrina, disfunci. (Arq Bras Cardiol 2011; 96(2) : 99-106)
dc.description.abstractFundamento: A norepinefrina miocárdica está alterada na disfunção ventricular esquerda. Em pacientes com cardiomiopatia chagásica (CC), essa questão ainda não foi discutida. Objetivo: Determinar o nível de norepinefrina (NE) miocárdica em pacientes com CC e compará-la em pacientes com doença arterial coronariana (DAC) e relacionar NE miocárdica com a fração de ejeção do ventrículo esquerdo (FEVE).Métodos: Estudamos 39 pacientes com CC, divididos em grupo 1: 21 indivíduos com FEVE normal e grupo 2: 18 com FEVE diminuída. Dezessete pacientes com DAC foram divididos em grupo 3: 12 indivíduos com FEVE normal e grupo 4: 5 indivíduos com FEVE diminuída. Ecocardiografia bidimensional foi usada para medir a FEVE. A NE miocárdica foi determinada através de Cromatografia Líquida de Alta Eficiência (HPLC). Resultados: A NE miocárdica na CC com e sem disfunção ventricular foi 1,3±1,3 e 6,1±4,2 pg/μg de proteína não-colagenosa, respectivamente (p<0,0001); na DAC com e sem disfunção ventricular, foi 3,3±3,0 e 9,8±4,2 pg/μg de proteína não-colagenosa, respectivamente (p<0,0001). Uma correlação positive foi observada entre a FEVE e a concentração de NE miocárdica em pacientes com CC (p<0,01; r = 0,57) e também naqueles com DAC (p<0,01; r=0,69). Uma diferença significante foi demonstrada entre as concentrações de NE em pacientes com FEVE normal (grupos 1 e 3; p = 0,0182), mas nenhuma diferença foi observada em pacientes com FEVE diminuída (grupos 2 e 4; p = 0,1467).Conclusão: Pacientes com CC e fração de ejeção global normal apresentam uma denervação cardíaca precoce, quando comparados à pacientes com doença arterial coronariana. (Arq Bras Cardiol 2011; 96(2) : 99-106)
dc.description.indexMEDLINE
dc.identifier.citationARQUIVOS BRASILEIROS DE CARDIOLOGIA, v.96, n.2, p.99-106, 2011
dc.identifier.doi10.1590/S0066-782X2010005000163
dc.identifier.issn0066-782X
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/22724
dc.language.isoeng
dc.language.isospa
dc.language.isopor
dc.publisherARQUIVOS BRASILEIROS CARDIOLOGIA
dc.relation.ispartofArquivos Brasileiros de Cardiologia
dc.rightsopenAccess
dc.rights.holderCopyright ARQUIVOS BRASILEIROS CARDIOLOGIA
dc.subjectCardiomyopathy
dc.subjectnorepinephrine
dc.subjectventricular dysfunction
dc.subjectleft
dc.subjectcoronary artery disease
dc.subjectheart failure
dc.subjectCardiomiopatía chagásica
dc.subjectnorepinefrina
dc.subjectdisfunción ventricular izquierda
dc.subjectenfermedad de la arteria coronaria
dc.subjectinsuficiencia cardíaca
dc.subjectCardiomiopatia Chagásica
dc.subjectnorepinefrina,
dc.subjectdisfunção ventricular esquerda
dc.subjectdoença da artéria coronariana
dc.subjectinsuficiência cardíaca
dc.subject.othermyocardial norepinephrine content
dc.subject.otherleft-ventricular function
dc.subject.othercongestive heart-failure
dc.subject.otherdilated cardiomyopathy
dc.subject.otherendomyocardial biopsy
dc.subject.otherregional distribution
dc.subject.othernervous-system
dc.subject.otherguinea-pig
dc.subject.othercatecholamines
dc.subject.otherdenervation
dc.subject.wosCardiac & Cardiovascular Systems
dc.titleIntramyocardial Adrenergic Activation in Chagasic Cardiomyopathy and Coronary Artery Disease
dc.title.alternativeActivación Adrenérgica Intramiocárdica en la Cardiomiopatía Chagásica y Enfermedad Arterial Coronaria
dc.title.alternativeAtivação Adrenérgica Intramiocárdica na Cardiomiopatia Chagásica e Doença Arterial Coronariana
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.citation.scopus2
hcfmusp.contributor.author-fmusphcLUCIANO NASTARI
hcfmusp.contributor.author-fmusphcFELIX JOSE ALVAREZ RAMIRES
hcfmusp.contributor.author-fmusphcVERA MARIA CURY SALEMI
hcfmusp.contributor.author-fmusphcBARBARA MARIA IANNI
hcfmusp.contributor.author-fmusphcFABIO FERNANDES
hcfmusp.contributor.author-fmusphcCELIA MARIA CASSARO STRUNZ
hcfmusp.contributor.author-fmusphcEDMUNDO ARTEAGA FERNANDEZ
hcfmusp.contributor.author-fmusphcCHARLES MADY
hcfmusp.description.beginpage99
hcfmusp.description.endpage106
hcfmusp.description.issue2
hcfmusp.description.volume96
hcfmusp.origemWOS
hcfmusp.origem.pubmed21180891
hcfmusp.origem.scopus2-s2.0-79953306887
hcfmusp.origem.wosWOS:000288846300003
hcfmusp.publisher.cityRIO DE JANEIRO
hcfmusp.publisher.countryBRAZIL
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