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Treatment in patients with severe asymptomatic aortic stenosis: is it best not to wait?

ABSTRACT: New insights into the natural history and pathophysiology of patients with aortic stenosis (AS), coupled with the dramatic evolution of transcatheter aortic valve implantation (TAVI), are fuelling intense interest in the management of asymptomatic patients with severe AS. This patient presenting for elective intervention poses a unique challenge. These patients are not traditionally offered surgical aortic valve replacement or TAVI given their lack of symptoms; however, they are at increased risk given the severity of their AS. Furthermore, clinical experience has shown that symptoms can be challenging to ascertain in many sedentary, deconditioned, and/or elderly patients. In addition, evolving data based on imaging and biomarker evidence of adverse ventricular remodelling, hypertrophy, inflammation, or fibrosis may radically transform existing clinical decision paradigms. However, management of asymptomatic severe AS is otherwise controversial and the decision to intervene requires careful assessment of the benefits and risks in an individual patient. Further randomized trials [EARLY TAVI (NCT03042104), AVATAR (NCT02436655), EVOLVED (NCT03094143)] will help determine future recommendations.

SUBMITTER: Di Pietro E

PROVIDER: S-EPMC9653144 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Treatment in patients with severe asymptomatic aortic stenosis: is it best not to wait?

Di Pietro Elena E Frittitta Valentina V Motta Silvia S Strazzieri Orazio O Valvo Roberto R Reddavid Claudia C Costa Giuliano G Tamburino Corrado C

European heart journal supplements : journal of the European Society of Cardiology 20221112 Suppl I

New insights into the natural history and pathophysiology of patients with aortic stenosis (AS), coupled with the dramatic evolution of transcatheter aortic valve implantation (TAVI), are fuelling intense interest in the management of asymptomatic patients with severe AS. This patient presenting for elective intervention poses a unique challenge. These patients are not traditionally offered surgical aortic valve replacement or TAVI given their lack of symptoms; however, they are at increased ris ...[more]

PMID: 36380774

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Project description:IntroductionDecisions regarding the optimal timing of intervention for asymptomatic aortic stenosis (AS) are controversial. The study aims to identify potential risk factors for asymptomatic patients with severe AS that are associated with worse prognosis and to evaluate the benefits of early interventions for asymptomatic patients presenting with one or more additional risk factors.Methods and analysisThis is a non-interventional, prospective, open-label, multicentre registry study across China. A total of 1000 patients will be enrolled and categorised as symptomatic or asymptomatic. The primary endpoint is the occurrence of all-cause mortality, stroke, acute myocardial infarction and heart failure-related hospitalisation at 1-year follow-up. In asymptomatic severe AS patients presenting with one or more risk factors, the occurrence rate of the primary endpoint between those who undergo transcatheter aortic valve replacement (TAVR) and those who do not will be compared. We will also compare the occurrence rate of the primary endpoint for asymptomatic severe AS patients with additional risk factors who undergo TAVR with those presenting with symptoms. This study is believed to provide additional evidence to help clinicians identify and refer severe AS patients who are asymptomatic but present with additional risk factors for early intervention of TAVR.Ethics and disseminationThe study protocol has been approved by the local ethics committee of each participating site: West China Hospital, Sichuan University; Sir Run Run Shaw Hospital, Zhejiang University School of Medicine; Second Hospital of Hebei Medical University; Tianjin Chest Hospital; and First Affiliated Hospital of Nanchang University. All participants will provide written informed consent. Study results will be published through academic conferences and peer-reviewed journals.Trial registrationThis study was registered at the Chinese Clinical Trial Registry (https:// www.chictr.org.cn), with the registration number ChiCTR2200064853.

Dataset Information

Treatment in patients with severe asymptomatic aortic stenosis: is it best not to wait?

Publications

Treatment in patients with severe asymptomatic aortic stenosis: is it best not to wait?

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