title: The learning curve in new structural interventions.
authors: Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon, 97201.
authors: Charles A
authors: CA
authors: Henrikson
authors: Joaquin E
authors: JE
authors: Cigarroa
mesh_terms: D020517:Atrial Appendage; D001281:Atrial Fibrillation / Q000628:therapy*; D006328:Cardiac Catheterization / Q000295:instrumentation*; D002983:Clinical Competence; D005260:Female; D006801:Humans; D059032:Learning Curve; D008297:Male