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Chronic supraventricular tachycardia can cause severe ventricular dysfunction, which can be surgically repaired
J M Brown1, M A Grosso, M J Reiter
1Department of Surgery, University of Colorado Health Sciences Center, Denver 80262.
The Journal of Thoracic and Cardiovascular Surgery
|November 1, 1988
Summary
Chronic supraventricular tachycardia can lead to ventricular dysfunction. Surgical repair of this condition effectively reverses heart muscle damage, improving ejection fraction and overall cardiac health.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiac Surgery
Background:
- Chronic supraventricular tachycardia (SVT) is a condition characterized by abnormally fast heart rhythms.
- SVT can lead to significant cardiovascular complications, including heart muscle dysfunction.
- The impact of long-standing SVT on left ventricular function requires further investigation.
Observation:
- A 19-year-old female presented with acute left ventricular dysfunction (ejection fraction 0.26).
- The patient had a history of chronic supraventricular tachycardia.
- An accessory pathway responsible for ventriculoatrial conduction was identified.
Findings:
- Surgical division of the accessory pathway successfully treated the supraventricular tachycardia.
- Complete recovery of left ventricular function was observed post-surgery.
- Ejection fraction improved significantly from 0.26 to 0.55 one year after the procedure.
Implications:
- Chronic supraventricular tachycardia is a reversible cause of ventricular dysfunction.
- Surgical intervention for SVT can restore normal cardiac function.
- Progressive left ventricular dysfunction in SVT patients warrants consideration for surgical management.