Differences in electrophysiological substrate in patients with coronary artery disease and cardiac arrest or ventricular tachycardia. Insights from endocardial mapping and signal-averaged electrocardiography.
نویسندگان
چکیده
منابع مشابه
Cardiac Arrest or Ventricular Tachycardia Insights From Endocardial Mapping and Signal-Averaged Electrocardiography
Background. Many studies have combined patients with hemodynamically well-tolerated ventricular tachycardia (VT) and those with cardiac arrest (CA) as a single, homogenous group. Recent studies suggest that these two groups have different electrophysiological substrates and responses to therapy. Most of these studies, however, enrolled patientswith a variety of cardiac diagnoses. Methods and Re...
متن کاملPrediction of long-term outcomes by signal-averaged electrocardiography in patients with unsustained ventricular tachycardia, coronary artery disease, and left ventricular dysfunction.
BACKGROUND An abnormal signal-averaged ECG (SAECG) is a noninvasive marker of the substrate of sustained ventricular tachycardia after myocardial infarction. We assessed its prognostic ability in patients with asymptomatic unsustained ventricular tachycardia, coronary artery disease, and left ventricular dysfunction. METHODS AND RESULTS A blinded core laboratory analyzed SAECG tracings from 1...
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Objective: Left ventricular (LV) remodeling is associated with increased morbidity and mortality therefore, interventions that halt or reverse ventricular remodeling are expected to prevent these clinical outcomes. The aim of the study was to assess the effects of cardiac rehabilitation program on cardiac remodeling process in patients with coronary artery disease and then compare the results b...
متن کاملCharacterization of endocardial electrophysiological substrate in patients with nonischemic cardiomyopathy and monomorphic ventricular tachycardia.
BACKGROUND Although catheter mapping has been used to define the endocardial electrogram characteristics in patients with ventricular tachycardia (VT) and coronary disease, characterization of the electrophysiological substrate in patients with VT and nonischemic cardiomyopathy is limited. METHODS AND RESULTS Left ventricular endocardial electroanatomical mapping was performed in 19 patients ...
متن کاملOutcome of endocardial resection in 33 patients with coronary artery disease: correlation with ventricular tachycardia morphology.
The results in 33 patients with ventricular tachycardia (VT) treated by endocardial resection were reviewed, with special emphasis on the presence of single or multiple morphologies preoperatively and intraoperatively. Multiple VT morphologies were induced in 16 patients and a single VT morphology was induced in the remaining 17. Intraoperative programmed stimulation failed to induce VT in eigh...
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ژورنال
عنوان ژورنال: Circulation
سال: 1991
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.84.2.672