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By Alessandro Iadanza Interventional Cardiologist at Siena University Hospital
Loren F Hiratzka, Mark A Creager, Eric M Isselbacher, Lars G Svensson, Rick A Nishimura, Robert O Bonow, Robert A Guyton, Thoralf M Sundt, Jonathan L Halperin, Glenn N Levine, Jeffrey L Anderson, Nancy M Albert, Sana M Al-Khatib, Kim K Birtcher, Biykem Bozkurt, Ralph G Brindis, Joaquin E Cigarroa, Lesley H Curtis, Lee A Fleisher, Federico Gentile, Samuel Gidding, Mark A Hlatky, John Ikonomidis, José Joglar, Richard J Kovacs, E Magnus Ohman, Susan J Pressler, Frank W Sellke, Win-Kuang Shen, Duminda N Wijeysundera
Two guidelines from the American College of Cardiology (ACC), the American Heart Association (AHA), and collaborating societies address the risk of aortic dissection in patients with bicuspid aortic valves and severe aortic enlargement: the "2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM Guidelines for the Diagnosis and Management of Patients With Thoracic Aortic Disease" (Circulation. 2010;121:e266-e369) and the "2014 AHA/ACC Guideline for the Management of Patients With Valvular Heart Disease" (Circulation...
February 16, 2016: Circulation
Craig S Broberg, Judith Therrien
Bicuspid aortic valve is a simple yet common condition with surprising clinical complexity. Patients are typically found to have enlargement of the ascending aorta, either root or midascending, independent of valve function. This enlargement is perceived to be a risk of aortic dissection, and therefore, prophylactic surgery is often recommended when the aorta reaches 50-55 mm in diameter. Despite the prevalence and potential health impact, there is to date no published data on the role of medical therapy. The emerging trend, however, is to address this question through clinical research...
July 2015: Trends in Cardiovascular Medicine
Thoralf M Sundt
Despite more than a decade of intense investigation, controversy persists regarding appropriate triggers for aortic replacement in the setting of bicuspid aortic valve. The difficulty is that the data are inescapably imperfect. Although we can count individuals with bicuspid valve who suffer dissection, we have an insufficient understanding of the true denominator of individuals at risk to calculate the probability of dissection for an individual patient. In addition, our own decision-making process is subject to "denominator neglect" or focus on the fact of the occurrence of the event rather than on the risk of the occurrence...
February 2015: Journal of Thoracic and Cardiovascular Surgery
Darren Mylotte, Thierry Lefevre, Lars Søndergaard, Yusuke Watanabe, Thomas Modine, Danny Dvir, Johan Bosmans, Didier Tchetche, Ran Kornowski, Jan-Malte Sinning, Pascal Thériault-Lauzier, Crochan J O'Sullivan, Marco Barbanti, Nicolas Debry, Jean Buithieu, Pablo Codner, Magdalena Dorfmeister, Giuseppe Martucci, Georg Nickenig, Peter Wenaweser, Corrado Tamburino, Eberhard Grube, John G Webb, Stephan Windecker, Ruediger Lange, Nicolo Piazza
BACKGROUND: Limited information exists describing the results of transcatheter aortic valve (TAV) replacement in patients with bicuspid aortic valve (BAV) disease (TAV-in-BAV). OBJECTIVES: This study sought to evaluate clinical outcomes of a large cohort of patients undergoing TAV-in-BAV. METHODS: We retrospectively collected baseline characteristics, procedural data, and clinical follow-up findings from 12 centers in Europe and Canada that had performed TAV-in-BAV...
December 9, 2014: Journal of the American College of Cardiology
Siddharth K Prakash, Yohan Bossé, Jochen D Muehlschlegel, Hector I Michelena, Giuseppe Limongelli, Alessandro Della Corte, Francesca R Pluchinotta, Maria Giovanna Russo, Artur Evangelista, D Woodrow Benson, Simon C Body, Dianna M Milewicz
Bicuspid aortic valve (BAV) is the most common adult congenital heart defect and is found in 0.5% to 2.0% of the general population. The term "BAV" refers to a heterogeneous group of disorders characterized by diverse aortic valve malformations with associated aortopathy, congenital heart defects, and genetic syndromes. Even after decades of investigation, the genetic determinants of BAV and its complications remain largely undefined. Just as BAV phenotypes are highly variable, the genetic etiologies of BAV are equally diverse and vary from complex inheritance in families to sporadic cases without any evidence of inheritance...
August 26, 2014: Journal of the American College of Cardiology
Abdel Rahman Al Emam, Mohammed Chamsi-Pasha, Gregory Pavlides
No abstract text is available yet for this article.
June 1, 2016: International Journal of Cardiology
Samuel C Siu, Candice K Silversides
Bicuspid aortic valve (BAV) disease is the most common congenital cardiac defect. While the BAV can be found in isolation, it is often associated with other congenital cardiac lesions. The most frequent associated finding is dilation of the proximal ascending aorta secondary to abnormalities of the aortic media. Changes in the aortic media are present independent of whether the valve is functionally normal, stenotic, or incompetent. Although symptoms often manifest in adulthood, there is a wide spectrum of presentations ranging from severe disease detected in utero to asymptomatic disease in old age...
June 22, 2010: Journal of the American College of Cardiology
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