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The automatic implantable cardioverter-defibrillator was implanted in 270 patients because of life-threatening arrhythmias over a 7 year period. There was a history of sustained ventricular tachycardia or fibrillation, or both, in 96% of these patients, 80% had one or more prior cardiac arrests and 78% had coronary artery disease as their underlying(More)
OBJECTIVES The primary objective was to determine if wireless remote monitoring with automatic clinician alerts reduces the time from a clinical event to a clinical decision in response to arrhythmias, cardiovascular (CV) disease progression, and device issues compared to patients receiving standard in-office care. A secondary objective was to compare the(More)
A prospective study evaluating the functionality and ease of use of the Medtronic CareLink Network, "CareLink," was conducted at ten investigational sites. This internet-based remote monitoring service allows clinicians to remotely manage their patients' implantable cardioverter defibrillators (ICDs) and chronic diseases. The network is comprised of a(More)
INTRODUCTION Atrial fibrillation (AF) ablation requires postprocedural anticoagulation to prevent thromboembolic events because of the ablation procedure itself or due to recurrent AF postprocedure. Dabigatran is a new anticoagulant and may be useful after AF ablation to prevent thromboembolic events. METHODS AND RESULTS We evaluated 123 consecutive(More)
BACKGROUND Patients with a variety of clinical presentations undergo atrial fibrillation (AF) ablation. Long-term ablation success rates can vary considerably. OBJECTIVE The purpose of this study was to develop a clinical scoring system to predict long-term freedom from AF after ablation. METHODS We retrospectively derived the scoring system on a(More)
The standard implantable defibrillator waveform is a truncated exponential of approximately 6 msec duration. This study compares the defibrillation efficacy of a standard monophasic truncated exponential to a biphasic 12 msec truncated exponential waveform in 21 patients undergoing automatic implantable cardioverter defibrillator (AICD) surgery. For the(More)
A new generic code, patterned after and compatible with the NASPE/BPEG Generic Pacemaker Code (NBG Code) was adopted by the NASPE Board of Trustees on January 23, 1993. It was developed by the NASPE Mode Code Committee, including members of the North American Society of Pacing and Electrophysiology (NASPE) and the British Pacing and Electrophysiology Group(More)
The purpose of this study is to assess the potential utility and practicality of microwave (MW) ablation in the creation of linear lesion for the treatment of atrial flutter. In the search for a more versatile form of energy for ablation of complex arrhythmias, MW, with its more direct form of heating, has been considered a potential alternative to(More)
BACKGROUND Despite improvements in cardiac resynchronization therapy (CRT) implantation techniques, a significant minority of CRT attempts are unsuccessful. Inability to cannulate the coronary sinus (CS) because of difficult anatomy is a major reason for unsuccessful CRT implantation. Direct visualization of intracardiac structures during the implant may(More)
BACKGROUND Cardiac resynchronization therapy (CRT) reduces morbidity and mortality in appropriately selected patients with heart failure. Optimal left ventricular (LV) lead placement is useful in enhancing response from CRT. Three significant obstacles to LV lead placement are patient-specific variations in coronary venous anatomy, phrenic nerve(More)