{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["46(11)"],"submitter":["Benchimol-Barbosa PR"],"pubmed_abstract":["The SEARCH-RIO study prospectively investigated electrocardiogram (ECG)-derived variables in chronic Chagas disease (CCD) as predictors of cardiac death and new onset ventricular tachycardia (VT). Cardiac arrhythmia is a major cause of death in CCD, and electrical markers may play a significant role in risk stratification. One hundred clinically stable outpatients with CCD were enrolled in this study. They initially underwent a 12-lead resting ECG, signal-averaged ECG, and 24-h ambulatory ECG. Abnormal Q-waves, filtered QRS duration, intraventricular electrical transients (IVET), 24-h standard deviation of normal RR intervals (SDNN), and VT were assessed. Echocardiograms assessed left ventricular ejection fraction. Predictors of cardiac death and new onset VT were identified in a Cox propo"],"journal":["Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas"],"pagination":["974-984"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3854332"],"repository":["biostudies-literature"],"pubmed_title":["Utility of a novel risk score for prediction of ventricular tachycardia and cardiac death in chronic Chagas disease - the SEARCH-RIO study."],"pmcid":["PMC3854332"],"pubmed_authors":["Barbosa EC","Kantharia BK","Tura BR","Benchimol-Barbosa PR"],"additional_accession":[]},"is_claimable":false,"name":"Utility of a novel risk score for prediction of ventricular tachycardia and cardiac death in chronic Chagas disease - the SEARCH-RIO study.","description":"The SEARCH-RIO study prospectively investigated electrocardiogram (ECG)-derived variables in chronic Chagas disease (CCD) as predictors of cardiac death and new onset ventricular tachycardia (VT). Cardiac arrhythmia is a major cause of death in CCD, and electrical markers may play a significant role in risk stratification. One hundred clinically stable outpatients with CCD were enrolled in this study. They initially underwent a 12-lead resting ECG, signal-averaged ECG, and 24-h ambulatory ECG. Abnormal Q-waves, filtered QRS duration, intraventricular electrical transients (IVET), 24-h standard deviation of normal RR intervals (SDNN), and VT were assessed. Echocardiograms assessed left ventricular ejection fraction. Predictors of cardiac death and new onset VT were identified in a Cox propo","dates":{"release":"2013-01-01T00:00:00Z","publication":"2013 Nov","modification":"2025-04-04T11:05:18.691Z","creation":"2019-03-27T01:18:06Z"},"accession":"S-EPMC3854332","cross_references":{"pubmed":["24270912"],"doi":["10.1590/1414-431X20133141"]}}