Arnault Galat1,2,3,4,5, Aziz Guellich1,2,3,4,5, Diane Bodez1,2,3,4,5, Michel Slama6, Marina Dijos7, David Messika Zeitoun8, Olivier Milleron8, David Attias9, Jean-Luc Dubois-Randé1,2,3,4,5, Dania Mohty10, Etienne Audureau1,2,4,5,11,12, Emmanuel Teiger1,2,3,4,5, Jean Rosso1,2,13, Jean-Luc Monin1,2,3,4,5, Thibaud Damy14,2,3,4,5. 1. UPEC, Créteil F-94000, France. 2. MondorAmyloidosis Network, Créteil F-94000, France. 3. Department of Cardiology, AP-HP, Henri-Mondor Teaching Hospital, Créteil F-94000, France. 4. INSERM U955, Créteil F-94000, France. 5. DHU A-TVB, Créteil F-94000, France. 6. Department of Cardiology, AP-HP, Antoine Béclère Teaching Hospital, Clamart F-92140, France. 7. Department of Cardiology, Bordeaux Teaching Hospital, Pessac F-33604, France. 8. Department of Cardiology, AP-HP, Bichat Teaching Hospital, Paris F-75018, France. 9. Department of Cardiology, Centre Cardiologique du Nord, Saint-Denis F-93200, France. 10. Department of Cardiology, Dupuytren Teaching Hospital, Limoges F-87042, France. 11. Department of Public Health, Henri-Mondor Teaching Hospital, Créteil F-94000, France. 12. CEpiA (Clinical Epidemiology and Ageing), EA4393, Université Paris Est (UPE), UPEC, F-94000, Créteil, France. 13. Department of Nuclear Medicine, AP-HP, Henri-Mondor Teaching Hospital, Créteil F-94000, France. 14. UPEC, Créteil F-94000, France thibaud.damy@hmn.aphp.fr.
Abstract
BACKGROUND: Aortic stenosis (AS) and transthyretin cardiac amyloidosis (TTR-CA) are both frequent in elderly. The combination of these two diseases has never been investigated. AIMS: To describe patients with concomitant AS and TTR-CA. METHODS: Six cardiologic French centres identified retrospectively cases of patients with severe or moderate AS associated with TTR-CA hospitalized during the last 6 years. RESULTS: Sixteen patients were included. Mean ± SD age was 79 ± 6 years, 81% were men. Sixty per cent were NYHA III-IV, 31% had carpal tunnel syndrome, and 56% had atrial fibrillation. Median (Q1;Q4) NT-proBNP was 4382 (2425;4730) pg/mL and 91% had elevated cardiac troponin level. Eighty-eight per cent had severe AS (n = 14/16), of whom 86% (n = 12) had low-gradient AS. Mean ± SD interventricular septum thickness was 18 ± 4 mm. Mean left ventricular ejection fraction and global LS were 50 ± 13% and -7 ± 4%, respectively. Diagnosis of TTR-CA was histologically proven in 38%, and was based on strong cardiac uptake of the tracer at biphosphonate scintigraphy in the rest. Eighty-one per cent had wild-type TTR-CA (n = 13), one had mutated Val122I and 19% did not had genetic test (n = 3). Valve replacement was surgical in 63% and via transcatheter in 13%. Median follow-up in survivors was 33 (16;65) months. Mortality was of 44% (n = 7) during the whole follow-up period. CONCLUSIONS: Combination of AS and TTR-CA may occur in elderly patients particularly those with a low-flow low-gradient AS pattern and carries bad prognosis. Diagnosis of TTR-CA in AS is relevant to discuss specific treatment and management. Published on behalf of the European Society of Cardiology. All rights reserved.
BACKGROUND:Aortic stenosis (AS) and transthyretincardiac amyloidosis (TTR-CA) are both frequent in elderly. The combination of these two diseases has never been investigated. AIMS: To describe patients with concomitant AS and TTR-CA. METHODS: Six cardiologic French centres identified retrospectively cases of patients with severe or moderate AS associated with TTR-CA hospitalized during the last 6 years. RESULTS: Sixteen patients were included. Mean ± SD age was 79 ± 6 years, 81% were men. Sixty per cent were NYHA III-IV, 31% had carpal tunnel syndrome, and 56% had atrial fibrillation. Median (Q1;Q4) NT-proBNP was 4382 (2425;4730) pg/mL and 91% had elevated cardiac troponin level. Eighty-eight per cent had severe AS (n = 14/16), of whom 86% (n = 12) had low-gradient AS. Mean ± SD interventricular septum thickness was 18 ± 4 mm. Mean left ventricular ejection fraction and global LS were 50 ± 13% and -7 ± 4%, respectively. Diagnosis of TTR-CA was histologically proven in 38%, and was based on strong cardiac uptake of the tracer at biphosphonate scintigraphy in the rest. Eighty-one per cent had wild-type TTR-CA (n = 13), one had mutated Val122I and 19% did not had genetic test (n = 3). Valve replacement was surgical in 63% and via transcatheter in 13%. Median follow-up in survivors was 33 (16;65) months. Mortality was of 44% (n = 7) during the whole follow-up period. CONCLUSIONS: Combination of AS and TTR-CA may occur in elderly patients particularly those with a low-flow low-gradient AS pattern and carries bad prognosis. Diagnosis of TTR-CA in AS is relevant to discuss specific treatment and management. Published on behalf of the European Society of Cardiology. All rights reserved.
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