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The SyncAV Post-Market Trial is a prospective, randomized, multi-center trial performed to determine if cardiac resynchronization therapy (CRT) devices programmed with SyncAV ON improve long-term CRT response compared to devices programmed with conventional CRT through evaluation of changes in left ventricular (LV) reverse remodeling.
The SyncAV Post-Market Trial is designed as a prospective, randomized, multi-center trial. The trial will require physicians to implant an Abbott CRT device and Abbott Quadripolar LV lead with any available right atrial and right ventricular leads. Sites will randomize subjects in a 1:1 ratio within 2 - 6 weeks post successful CRT implant: Arm 1 - SyncAV CRT programmed ON; Arm 2 - programmed fixed atrioventricular (AV) delay.
For those subjects randomized to SyncAV programmed ON, sites will measure QRS duration with the subject's intrinsic rhythm (pacing OFF), at biventricular (BiV) pacing nominal settings, with various SyncAV programmed offsets, and at LV first 30 ms, RV first 30 ms and LV-only pacing with optimal SyncAV offsets. The site will then program the subject's device using the SyncAV offset that provided the narrowest QRS duration.
For those subjects randomized to the fixed AV delay arm, sites will measure QRS duration with the subject's intrinsic rhythm (pacing OFF) and at BiV pacing nominal settings. Sites will then program the subject's device using BiV pacing nominal settings.
Sites will collect data at baseline (before CRT implant), randomization, and at 3-month, 6-month, and 12-month visits. For subjects randomized to the SyncAV ON arm, sites will optimize the SyncAV feature again at 3 months and 6 months in the same manner as the randomization visit.
Congestive Heart Failure
SyncAV programmed ON, Fixed AV delay
Cleveland Clinic Foundation
Not yet recruiting
Abbott Medical Devices
Published on BioPortfolio: 2019-09-27T06:30:46-0400
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A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666)
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A semisynthetic digitalis glycoside with the general properties of DIGOXIN but more rapid onset of action. Its cardiotonic action is prolonged by its demethylation to DIGOXIN in the liver. It has been used in the treatment of congestive heart failure (HEART FAILURE).
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Disease of CARDIAC MUSCLE resulting from chronic excessive alcohol consumption. Myocardial damage can be caused by: (1) a toxic effect of alcohol; (2) malnutrition in alcoholics such as THIAMINE DEFICIENCY; or (3) toxic effect of additives in alcoholic beverages such as COBALT. This disease is usually manifested by DYSPNEA and palpitations with CARDIOMEGALY and congestive heart failure (HEART FAILURE).
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