Análise temporal da variabilidade da freqüência cardíaca no estado basal em idosos chagásicos na forma indeterminada em área endêmica

Com o objetivo de avaliar a função autonômica cardíaca em pacientes chagásicos residentes em área endêmica, foram avaliados, por meio da análise computadorizada da variabilidade da freqüência cardíaca, 28 pacientes idosos chagásicos na forma indeterminada, 28 pacientes idosos não-chagásicos e 28 adu...

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Published inRevista da Sociedade Brasileira de Medicina Tropical Vol. 36; no. 6; pp. 703 - 706
Main Authors Resende, Luiz Antonio Pertili R. de, Carneiro, Aldo César de Freitas, Ferreira, Bruno Doriguetto Couto, Silva, Raphael Antônio Gomes da, Silva, Valdo José Dias da, Prata, Aluízio, Correia, Dalmo
Format Journal Article
LanguagePortuguese
Published Sociedade Brasileira de Medicina Tropical - SBMT 01.12.2003
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ISSN0037-8682
1678-9849
0037-8682
DOI10.1590/S0037-86822003000600010

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Abstract Com o objetivo de avaliar a função autonômica cardíaca em pacientes chagásicos residentes em área endêmica, foram avaliados, por meio da análise computadorizada da variabilidade da freqüência cardíaca, 28 pacientes idosos chagásicos na forma indeterminada, 28 pacientes idosos não-chagásicos e 28 adultos jovens. Todos os pacientes chagásicos realizaram eletrocardiograma, radiografia de tórax, estudo radiológico contrastado do esôfago e cólons e ecodopplercardiograma, sendo que os não-chagásicos deixaram de realizar apenas os exames contrastados. Não houve diferença estatisticamente significativa entre os grupos, quanto às dimensões sistólica e diastólica e função sistólica do ventrículo esquerdo. Não houve diferença estatisticamente significante entre os grupos, quanto à duração média do intervalo RR. Quanto à variância, desvio padrão, coeficiente de variação, e ao pNN50, houve diferença estatisticamente significante entre o grupo jovem e os idosos, mas não entre os grupos idosos. Concluímos que, no estado basal, os grupos idosos chagásicos e não-chagásicos não diferiram quanto à modulação autonômica cardíaca no domínio do tempo. With the aim of evaluating the cardiac autonomic function in elderly chagasic patients living in an endemic area, we evaluated, by using computadorized heart rate variability, 28 elderly chagasic with the indeterminate form, 28 elderly non chagasic and 28 young healthy control. In all patients we performed conventional eletrcardiogram, radiological investigation of thorax, and with contrast of esophagus and colons and echodopplercardiogram. Non chagasic patients did not perform only the exams with contrast. The sistolic ventricular funtion was preserved in all subjects. There was no statistically significant difference between the groups with regard to mean duration of RR intervals. Considering the variance, standard deviation, variation coeficient and pNN50 there was statistically significant difference between the young and elderly groups but no difference was found when the analysis was performed in each one separately for these temporal indexes. We conclude that, in basal condition, the groups of elderly chagasic and no chagasic subjects did not differ as much as the cardiac autonomic modulation in time domain.
AbstractList Com o objetivo de avaliar a função autonômica cardíaca em pacientes chagásicos residentes em área endêmica, foram avaliados, por meio da análise computadorizada da variabilidade da freqüência cardíaca, 28 pacientes idosos chagásicos na forma indeterminada, 28 pacientes idosos não-chagásicos e 28 adultos jovens. Todos os pacientes chagásicos realizaram eletrocardiograma, radiografia de tórax, estudo radiológico contrastado do esôfago e cólons e ecodopplercardiograma, sendo que os não-chagásicos deixaram de realizar apenas os exames contrastados. Não houve diferença estatisticamente significativa entre os grupos, quanto às dimensões sistólica e diastólica e função sistólica do ventrículo esquerdo. Não houve diferença estatisticamente significante entre os grupos, quanto à duração média do intervalo RR. Quanto à variância, desvio padrão, coeficiente de variação, e ao pNN50, houve diferença estatisticamente significante entre o grupo jovem e os idosos, mas não entre os grupos idosos. Concluímos que, no estado basal, os grupos idosos chagásicos e não-chagásicos não diferiram quanto à modulação autonômica cardíaca no domínio do tempo.
Com o objetivo de avaliar a função autonômica cardíaca em pacientes chagásicos residentes em área endêmica, foram avaliados, por meio da análise computadorizada da variabilidade da freqüência cardíaca, 28 pacientes idosos chagásicos na forma indeterminada, 28 pacientes idosos não-chagásicos e 28 adultos jovens. Todos os pacientes chagásicos realizaram eletrocardiograma, radiografia de tórax, estudo radiológico contrastado do esôfago e cólons e ecodopplercardiograma, sendo que os não-chagásicos deixaram de realizar apenas os exames contrastados. Não houve diferença estatisticamente significativa entre os grupos, quanto às dimensões sistólica e diastólica e função sistólica do ventrículo esquerdo. Não houve diferença estatisticamente significante entre os grupos, quanto à duração média do intervalo RR. Quanto à variância, desvio padrão, coeficiente de variação, e ao pNN50, houve diferença estatisticamente significante entre o grupo jovem e os idosos, mas não entre os grupos idosos. Concluímos que, no estado basal, os grupos idosos chagásicos e não-chagásicos não diferiram quanto à modulação autonômica cardíaca no domínio do tempo. With the aim of evaluating the cardiac autonomic function in elderly chagasic patients living in an endemic area, we evaluated, by using computadorized heart rate variability, 28 elderly chagasic with the indeterminate form, 28 elderly non chagasic and 28 young healthy control. In all patients we performed conventional eletrcardiogram, radiological investigation of thorax, and with contrast of esophagus and colons and echodopplercardiogram. Non chagasic patients did not perform only the exams with contrast. The sistolic ventricular funtion was preserved in all subjects. There was no statistically significant difference between the groups with regard to mean duration of RR intervals. Considering the variance, standard deviation, variation coeficient and pNN50 there was statistically significant difference between the young and elderly groups but no difference was found when the analysis was performed in each one separately for these temporal indexes. We conclude that, in basal condition, the groups of elderly chagasic and no chagasic subjects did not differ as much as the cardiac autonomic modulation in time domain.
Author Resende, Luiz Antonio Pertili R. de
Ferreira, Bruno Doriguetto Couto
Silva, Valdo José Dias da
Correia, Dalmo
Carneiro, Aldo César de Freitas
Silva, Raphael Antônio Gomes da
Prata, Aluízio
AuthorAffiliation Universidade Federal do Triângulo Mineiro
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Cites_doi 10.1161/01.CIR.93.5.1043
10.1016/S1473-3099(01)00065-2
10.1590/S0037-86821985000100010
10.1590/S0074-02762002000500002
10.1590/S0037-86821989000300007
10.1007/BF02322053
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DocumentTitleAlternate Temporal analysis of cardiac frequency variability in basal condition in elderly chagasic subjects in indeterminate form in endemic área
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Issue 6
Keywords Cardiac autonomic function
Análise temporal dos intervalos RR
Temporal RR interval analysis
Variabilidade da freqüência cardíaca
Função autonômica cardíaca
Chagas'disease
Doença de Chagas
Heart rate variability
Language Portuguese
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Snippet Com o objetivo de avaliar a função autonômica cardíaca em pacientes chagásicos residentes em área endêmica, foram avaliados, por meio da análise...
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Title Análise temporal da variabilidade da freqüência cardíaca no estado basal em idosos chagásicos na forma indeterminada em área endêmica
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