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The Signal-averaged ElectrocArdiogram in Long Term Follow-up of Chronic CHagas Disease - RIO de Janeiro Cohort (SEARCH-Rio)

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01340963
First Posted: April 25, 2011
Last Update Posted: December 10, 2013
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborators:
Rio de Janeiro State University
The University of Texas Health Science Center, Houston
Instituto Nacional de Cardiologia de Laranjeiras
Information provided by (Responsible Party):
Paulo Roberto Benchimol Barbosa, Universidade Gama Filho
No Study Results Posted on ClinicalTrials.gov for this Study
  Study Status: This study has been completed.
  Study Completion Date: December 2012
  Primary Completion Date: March 2001 (Final data collection date for primary outcome measure)
Publications:
Benchimol-Barbosa PR, Barbosa-Filho J. Mechanical cardiac remodeling and new-onset atrial fibrillation in long-term follow-up of subjects with chronic Chagas' disease. Braz J Med Biol Res. 2009 Mar;42(3):251-62.
Benchimol-Barbosa PR. Predictors of mortality in Chagas' disease: the impact of atrial fibrillation and oral transmission on infected population. Int J Cardiol. 2009 Apr 3;133(2):275-7. doi: 10.1016/j.ijcard.2007.11.053. Epub 2008 Jan 15.
Benchimol-Barbosa PR. Cardiac remodeling and predictors for cardiac death in long-term follow-up of subjects with chronic Chagas' heart disease: a mathematical model for progression of myocardial damage. Int J Cardiol. 2009 Jan 24;131(3):435-8. Epub 2007 Nov 28.
Benchimol-Barbosa PR, Barbosa-Filho J. Atrial mechanical remodeling and new onset atrial fibrillation in chronic Chagas' heart disease. Int J Cardiol. 2008 Jul 21;127(3):e113-5. Epub 2007 Aug 8.
Benchimol-Barbosa PR. Nonlinear mathematical model for predicting long term cardiac remodeling in Chagas' heart disease: introducing the concepts of 'limiting cardiac function' and 'cardiac function deterioration period'. Int J Cardiol. 2010 Nov 19;145(2):219-21. doi: 10.1016/j.ijcard.2009.05.010. Epub 2009 May 27.
Benchimol-Barbosa PR, Kantharia BK, Carvalhaes CG. Nonlinear Dynamics in Long-Term Left Ventricular Remodeling in Chagas Heart Disease and Adverse Outcomes: SEARCH-Rio Substudy. Circulation Research. 2012;111:A351
Benchimol-Barbosa PR, Tura BR, Barbosa E, Barbosa-Filho J, Kantharia BK. A Novel Risk Score Based on Noninvasive ECG Monitoring Aiming at Predicting Ventricular Tachycardia and Cardiac Death in Chronic Chagas Disease. Circulation. 2010; 122: A19759.
Benchimol Barbosa PR. Noninvasive prognostic markers for cardiac death and ventricular arrhythmia in long-term follow-up of subjects with chronic Chagas' disease. Braz J Med Biol Res. 2007 Feb;40(2):167-78.
Benchimol-Barbosa PR, Duque GS, Barbosa-Filho J. Long term cardiac remodelling in chronic Chagas' heart disease. Eur Heart J; 2008. 29(suppl 1): 441-441. doi:10.1093/eurheartj/ehn375
Benchimol-Barbosa PR, Duque GS, Barbosa EC, Bomfim AS, Dantas-Carletti MS, Barbosa-Filho J. High spectral turbulence in signal-averaged electrocardiogram is an independent predictor for cardiac death in long-term follow-up of subjects with chronic Chagas disease. Eur Heart J; 2009. 30(suppl 1): 697-697. doi:10.1093/eurheartj/ehp415
Benchimol-Barbosa PR, Tura BR, Barbosa EC, Barbosa-Filho J, Kantharia BK. A novel risk score for predicting cardiac death in chronic chagas heart disease based on spectral turbulence analysis of the signal-averaged ECG. Eur Heart J; 2010. 31(suppl 1): 163-163. doi:10.1093/eurheartj/ehq287
Benchimol-Barbosa PR, Tura BR, Barbosa-Filho J, Kantharia BK. Increasing 24h incidence of isolated PVC is associated with growing complexity and incidence of cardiac tachyarrhythmia in Chagas heart disease. Eur Heart J; 2010. 31(suppl 1): 480-480. doi:10.1093/eurheartj/ehq288
Benchimol-Barbosa PR. Clinical characteristics of spontaneous ventricular tachycardia episodes associated with unfavorable prognosis in chronic Chagas disease. Eur Heart J; 2010. 31(suppl 1): 480-480. doi:10.1093/eurheartj/ehq288
PR Benchimol-Barbosa. Ventricular tachyarrhythmic events triggers in chronic Chagas disease. Eur Heart J; 2010. 31(suppl 1): 481-481. doi:10.1093/eurheartj/ehq288
Benchimol-Barbosa PR, Tura BR, Barbosa EC, Kantharia BK. Utility of a novel risk score for prediction of ventricular tachycardia and cardiac death in chronic Chagas disease - the SEARCH-RIO study. Braz J Med Biol Res. 2013 Oct 22;46(11):974-984. [Epub ahead of print]


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