Heart Failure Clinical Trial
Official title:
Targeted Left Ventricular Lead Placement for Cardiac Resynchronization Therapy, a Randomized Trial Comparing an Active Fixation Bipolar Left Ventricular Lead and Passive Fixation Quadripolar Leads
A prospective, randomized and patient-blinded trial comparing an active fixation left ventricular lead with quadripolar passive left ventricular leads. The leads were compared in order to identify differences in the electrical performance, the ability to achieve a stable proximal position in a coronary vein located concordant to target segment and clinical outcome. The patients were followed up for 12 months.
A prospective, randomized and patient-blinded trial. The objective was to compare an active fixation left ventricular lead with quadripolar passive left ventricular leads. The left ventricular segment with latest mechanical activation was identified as target segment by radial strain speckle-tracking echocardiography.The leads were compared in order to identify differences in the electrical performance, the ability to achieve a stable proximal position in a coronary vein located concordant to target segment and clinical outcome. The clinical outcomes were assessed by echocardiography, change in New York Heart Association (NYHA) functional class and Minnesota Living With Heart Failure Questionnaire (MLHFQ). The patients were followed up for 12 months. ;
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