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Spontaneous reversion to normal sinus rhythm after prolonged atrial fibrillation
Acta Cardiologica
|January 1, 1981
Summary
Spontaneous recovery of normal sinus rhythm occurred in two patients after long-term atrial fibrillation. One patient experienced clinical improvement, challenging typical outcomes for this condition.
Area of Science:
- Cardiology
- Electrophysiology
- Internal Medicine
Background:
- Atrial fibrillation (AF) is a common arrhythmia often requiring long-term management.
- Persistent atrial fibrillation exceeding a decade typically indicates a poor prognosis for spontaneous rhythm reversion.
Observation:
- Two cases of long-standing persistent atrial fibrillation (10 and 14 years) are presented.
- Both patients experienced spontaneous reversion to normal sinus rhythm.
Findings:
- One patient demonstrated significant clinical improvement concurrent with the restoration of sinus rhythm.
- This outcome is atypical, as clinical improvement is not usually associated with rhythm reversion in such chronic cases.
Implications:
- The findings suggest that spontaneous rhythm reversion, even after decades of atrial fibrillation, is possible.
- Further research is needed to elucidate the underlying mechanisms driving these rare rhythm changes and associated clinical benefits.