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Reproducibility of drug efficacy predictions by Holter monitoring in the electrophysiologic study versus electrocardiographic monitoring (ESVEM) trial. ESVEM Investigators.
Reiter, M J; Karagounis, L A; Mann, D E; Reiffel, J A; Hahn, E; Hartz, V.
Afiliação
  • Reiter MJ; Department of Medicine, University of Colorado Health Sciences Center, Denver 80262, USA.
Am J Cardiol ; 79(3): 315-22, 1997 Feb 01.
Article em En | MEDLINE | ID: mdl-9036751
Selection of antiarrhythmic therapy may be based on suppression of spontaneous ventricular arrhythmias assessed by Holter monitoring, but the implications of discordant Holter results on repeat 24-hour monitoring has not been defined. This study examines the frequency and significance of reproducible Holter suppression on two 24-hour recordings in the Electrophysiologic Study Versus Electrocardiographic Monitoring (ESVEM) trial. Repeat 24-hour Holter monitoring was obtained in patients randomized to the Holter monitor limb of the ESVEM trial, during the same hospitalization, after a drug efficacy prediction. These Holters were not used to define drug efficacy but were subsequently analyzed to determine the reproducibility of drug efficacy predictions by Holter monitoring. A repeat 24-hour Holter monitor, following the one that predicted drug efficacy, was available in 119 patients. Ninety-nine patients (83%) also had suppression that met efficacy criteria on the second Holter monitor. There were no significant differences in arrhythmia recurrence (p = 0.612) or mortality (p = 0.638) in patients with concordant Holter results (n = 99; 1-year arrhythmia recurrence = 45%; 1-year mortality = 10%) compared with those with discordant Holter results (n = 20; 1-year arrhythmia recurrence = 45%; 1-year mortality = 16%). We conclude that (1) there is discordance between the first effective Holter monitor and a repeat Holter monitor in 17% of patients, and (2) suppression of ventricular ectopic activity on 2 separate 24-hour Holter monitors does not identify a group with a better outcome, nor does failure of suppression on the second Holter monitor identify a group with a worse prognosis.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Eletrocardiografia Ambulatorial / Taquicardia Ventricular / Antiarrítmicos Tipo de estudo: Observational_studies / Prognostic_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male / Middle aged Idioma: En Revista: Am J Cardiol Ano de publicação: 1997 Tipo de documento: Article País de afiliação: Estados Unidos País de publicação: Estados Unidos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Eletrocardiografia Ambulatorial / Taquicardia Ventricular / Antiarrítmicos Tipo de estudo: Observational_studies / Prognostic_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male / Middle aged Idioma: En Revista: Am J Cardiol Ano de publicação: 1997 Tipo de documento: Article País de afiliação: Estados Unidos País de publicação: Estados Unidos