Termination and Acceleration of Ventricular Tachycardia with Autodecremental Pacing, Burst Pacing, and Cardioversion in Patients with an Implantable Cardioverter Defibrillator

作者: STEPHEN C. HAMMILL , DOUGLAS L. PACKER , MARSHALL S. STANTON , JOSEPH FETTER ,

DOI: 10.1111/J.1540-8159.1995.TB02469.X

关键词: Implantable cardioverter-defibrillatorCoronary artery diseaseTachycardiaDefibrillationEjection fractionMedicineAntitachycardia PacingCardiologyAnesthesiaVentricular tachycardiaInternal medicineCardioversion

摘要: This multicenter study reports the outcome of ventricular tachycardia (VT) therapy (conversion or acceleration) and relationship to initial cycle length other clinical variables using an implantable device with capability autodecremental burst pacing, cardioversion, defibrillation. The was implanted in 444 patients (mean age 58 +/- 15 years) 1,240 episodes VT induced noninvasive programming reported a database. Only first sequence attempted for conversion by pacing cardioversion assessed, energies were 0.2-5 J. Autodecremental used treat 700 during titration therapies (57% converted 12% accelerated), 357 (49% under 11% 183 (82% 4% accelerated). Cardioversion most effective treatment had lowest acceleration rate. Shorter lengths more likely accelerate longer convert both pacing. Patients higher ejection fractions Use fraction, absence unrepaired aneurysm, lengths, coronary artery disease, use predicted conversion. Lower fraction < = 300 msec acceleration.

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