Key result
Pacemaker therapy was effective for treating various cardiac arrhythmias, with 72.2% of patients surviving at 15 to 17 months follow-up and no deaths related to implantation.
Why the study?
Does pacemaker therapy improve survival and rhythm outcomes in patients with severe cardiac arrhythmias?
Observational (n=36)
No
Does pacemaker therapy improve survival and rhythm outcomes in patients with severe cardiac arrhythmias?
Pacemaker therapy is a safe and effective intervention for managing severe cardiac arrhythmias and conduction defects, yielding favorable medium-term survival.
Supports arrhythmia management in select cases; leaves open survival benefits without randomized confirmation.
Experience with 36 consecutive patients who received pacemaker therapy during a 20-month period at the University of Washington Hospital demonstrated that this therapy was effective in chronic third degree atrioventricular block, acute third degree atrioventricular block associated with myocadial infarction, symptomatic bradycardia, ventricular tachyarrhythmias, and intermittent atrioventricular conduction defects regardless of their causes or complications. Subsequently, 23 patients required permanent pacemakers. Of the 23, 19 were alive after a 17-month follow-up. Of 13 patients who required only temporary pacemakers, 7 reverted to normal sinus rhythm and were alive after a 15-month follow-up. Six died of complications of cardiac surgery or diffuse myocardial disease. No deaths were associated with pacemaker implantation.
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John Murray (1969) conducted an observational in Cardiac arrhythmias (n=36). Pacemaker therapy was evaluated on Survival. Pacemaker therapy was effective for treating various cardiac arrhythmias, with 72.2% of patients surviving at 15 to 17 months follow-up and no deaths related to implantation.
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