Why the study?
Does surgical elimination of tachycardia improve cardiac function in patients with congestive cardiomyopathy due to chronic atrial automatic-focus tachycardia?
Does surgical elimination of tachycardia improve cardiac function in patients with congestive cardiomyopathy due to chronic atrial automatic-focus tachycardia?
Surgical elimination of chronic supraventricular tachycardia can reverse congestive cardiomyopathy, highlighting the importance of screening for and aggressively treating SVT in these patients.
May reverse tachycardia-induced cardiomyopathy; leaves open whether ablation warrants broader use pending controlled studies.
Two cases of congestive cardiomyopathy were proved to be due to chronic atrial automatic-focus tachycardia. Surgical elimination of the tachycardia resulted in normalization of cardiac function in both cases. We suggest that patients with congestive cardiomyopathy be carefully screened for supraventricular tachycardia. Patients with chronic supraventricular tachycardia should be treated aggressively to prevent myocardial dysfunction. (JAMA1985;253:391-392)
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P C Gillette (1985) studied this question.
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