title: The Sievers Classification of the Bicuspid Aortic Valve for the Perioperative Echocardiographer: The Importance of Valve Phenotype for Aortic Valve Repair in the Era of the Functional Aortic Annulus.
authors.affiliation: Cardiothoracic Anesthesiology and Critical Care, Department of Anesthesiology, School of Medicine, Washington University, St. Louis, MO.
authors.forename: Clare H
authors.initials: CH
authors.lastname: Ridley
authors.affiliation: Division of Cardiovascular Surgery, Department of Surgery.
authors.forename: Prashanth
authors.initials: P
authors.lastname: Vallabhajosyula
authors.affiliation: Division of Cardiovascular Surgery, Department of Surgery.
authors.forename: Joseph E
authors.initials: JE
authors.lastname: Bavaria
authors.affiliation: Cardiovascular and Thoracic Section, Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Prakash A
authors.initials: PA
authors.lastname: Patel
authors.affiliation: Cardiovascular and Thoracic Section, Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Jacob T
authors.initials: JT
authors.lastname: Gutsche
authors.affiliation: Cardiovascular and Thoracic Section, Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Ronak
authors.initials: R
authors.lastname: Shah
authors.affiliation: Cardiovascular and Thoracic Section, Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Jared W
authors.initials: JW
authors.lastname: Feinman
authors.affiliation: Cardiovascular and Thoracic Section, Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
authors.forename: Stuart J
authors.initials: SJ
authors.lastname: Weiss
authors.affiliation: Cardiovascular and Thoracic Section, Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Electronic address: yiandoc@hotmail.com.
authors.forename: John G
authors.initials: JG
authors.lastname: Augoustides
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery*; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging* / Q000601:surgery*; D000082882:Bicuspid Aortic Valve Disease; D004452:Echocardiography / Q000379:methods*; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D019990:Perioperative Care / Q000379:methods*; D010641:Phenotype; D016896:Treatment Outcome
keywords: Sievers classification; aneurysm; annular dilation; aortic valve repair; bicuspid aortic valve; dissection; external annuloplasty; functional aortic annulus; guidelines; insufficiency; internal annuloplasty; raphe; stenosis; transesophageal echocardiography; type 0; type 1; type 2; valve-sparing aortic root replacement; ventriculo-aortic junction