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Screening for Amyloidosis Before Aortic Valve Elective Replacement — SAVER  

Aortic Valve Stenosis Clinical Trial

Official title:
Screening for Amyloidosis Before Aortic Valve Elective Replacement (SAVER)

Clinical Trial Summary

Previous studies detected that up to 15% of patients undergoing aortic valve replacement (AVR) for degenerative aortic stenosis have concomitant transthyretin amyloidosis (ATTR) cardiomyopathy (Castano, 2017). The aim of this study is to investigate the effectivity and practicability of a systematic ATTR-Screening in patients undergoing planned AVR. Moreover, we plan to develop a screening algorithm to detect ATTR in aortic stenosis (AS).

Clinical Trial Description

Untreated cardiac amyloidosis is accompanied with an impaired prognosis. Amyloidosis is often associated with ventricular hypertrophy which leads to severe heart failure and occurs frequently in conjunction with bradycardic or tachycardic malignant arrhythmia. Patients with degenerative aortic valve stenosis suffer more frequently from cardiac ATTR. However, it remains unclear whether the development of aortic stenosis is promoted by ATTR. Due to very similar symptoms (shortness of breath during physical exertion, reduced walking distance) diagnosis of aortic valve stenosis is more often diagnosed in a typical cohort of patients aged between 70-80 years but, in contrast, leads to underdiagnosis of patients with additional cardiac amyloidosis. Six to fifteen percent of patients with aortic valve replacement due to degenerative aortic valve stenosis exhibit a cardiac amyloidosis. Since cardiac amyloidosis without therapeutic intervention is associated with significantly reduced life expectancy, it can be assumed that these patients will not benefit to the same extent from the AVR alone as patients without ATTR. New therapeutic approaches for patients exhibiting ATTR lead to a reduction of mortality and hospitalizations. The primary aim of this study is to establish a simple ATTR screening tool in patients with planned AVR in the clinical routine and, furthermore, to compare the clinical course following AVR between patients with and without ATTR. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04869631
Study type Observational
Source Charite University, Berlin, Germany
Contact
Status Active, not recruiting
Phase
Start date February 1, 2021
Completion date March 31, 2028
View Details
See also
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