December 1, 1994Journal of Cardiovascular Electrophysiology
Ventricular Fibrillation and Polymorphic Ventricular Tachycardia with Critical Coronary Artery Stenosis:
Why the study?
Does defibrillator implant at the time of bypass surgery improve survival in patients with critical coronary artery stenosis presenting with ventricular fibrillation or polymorphic ventricular tachycardia?
Population
58 consecutive patients with one or more episodes of sudden death associated with documented ventricular…
Comparison
Defibrillator implant at the time of coronary… vs Projected survival based upon defibrillator…
Design
Cohort
Follow-up
mean 4.6 +/- 2 years
Authors
Discussion
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Member takes
Implication
May support ICD at CABG in VF/pVT; challenges consensus that surgery alone suffices but leaves open randomized confirmation.
Structured PICO
Does defibrillator implant at the time of bypass surgery improve survival in patients with critical coronary artery stenosis presenting with ventricular fibrillation or polymorphic ventricular tachycardia?
P
Population
58 consecutive patients with one or more episodes of sudden death associated with documented ventricular fibrillation or polymorphic ventricular tachycardia and severe operable coronary artery disease, mean age 63 +/- 8 years, mean EF 37 +/- 13%.
I
Intervention
Defibrillator implant at the time of coronary artery bypass surgery
C
Comparator
Projected survival based upon defibrillator discharge preceded by syncope or presyncope
O
Outcome
Survival free of total death at 4 yearshard clinical
Cite This Study
Natale et al. (1994) studied this question.