Cardiac amyloidosis prevalence and 1-year outcome in patients with aortic stenosis undergoing transaortic valve implantation: Findings from the CAMPOS-TAVI study
Jérôme Costa , Ahmed El-Ali , David Morland , Sebastien Dejust , Dimitri Papathanassiou , Pierre Nazeyrollas , Damien Metz
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引用次数: 0
Abstract
Background
Transthyretin amyloid cardiomyopathy (ATTR-CM) can manifest as rhythm disorders, heart failure, but also valvular degeneration. Despite aortic stenosis (AS) being prevalent among the elderly, data on ATTR-CM prevalence and outcome in patients with AS undergoing transaortic valve implantation (TAVI) remain scarce.
Aim
To determine ATTR-CM prevalence and evaluate 1-year survival in patients undergoing TAVI.
Methods
Between December 2020 and September 2021, 100 consecutive patients underwent TAVI and were screened prospectively for ATTR-CM using bone scintigraphy (BS). Monoclonal gammopathy was ruled out in case of cardiac uptake on BS. All patients were followed prospectively for 1 year after TAVI.
Results
The proportion of patients aged ≥ 75 years or with a EuroSCORE II > 8% and possible femoral access was 99%. The abnormal cardiac uptake rate on BS was 7% (95% confidence interval: 2–12%); 86% of these patients were male. The RAISE (remodelling, age, injury, system and electrical) score, indicative of ATTR-CM risk, was higher in case of positive BS (P = 0.04). Patients with positive BS were older and exhibited wider QRS complexes on electrocardiography (P = 0.003), a higher frequency of reduced LVEF (57% vs. 17%), impaired basal LV strain (P = 0.02) and a lower voltage/mass ratio (P = 0.01). History of pacemaker implantation before TAVI was higher in the positive BS group (P = 0.0004) and remained the only statistically significant factor after adjustment using the Holm–Bonferroni method. One-year survival of patients with positive BS did not differ from that of patients with isolated AS.
Conclusions
Prevalence of ATTR-CM in patients treated with TAVI, underscoring the need for continued surveillance for potential development of ATTR-CM after TAVI. Caution is warranted regarding the 1-year survival because of the lack of study power. Further investigations are needed to define long-term prognosis of AS with ATTR-CM.
期刊介绍:
The Journal publishes original peer-reviewed clinical and research articles, epidemiological studies, new methodological clinical approaches, review articles and editorials. Topics covered include coronary artery and valve diseases, interventional and pediatric cardiology, cardiovascular surgery, cardiomyopathy and heart failure, arrhythmias and stimulation, cardiovascular imaging, vascular medicine and hypertension, epidemiology and risk factors, and large multicenter studies. Archives of Cardiovascular Diseases also publishes abstracts of papers presented at the annual sessions of the Journées Européennes de la Société Française de Cardiologie and the guidelines edited by the French Society of Cardiology.