Assertion: catheter ablation | /r/HasProperty | performed in several thousand patients
Facets:
value: over the past 20 years
type: TEMPORAL
Source sentences:
text: Catheter ablation for other atrial arrhythmias, including atrial flutter, and supraventricular tachycardia with or without Wolff-Parkinson-White syndrome, has been performed in several thousand patients over the past 20 years, with a success rate approaching 100 percent.