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Connors LH, Sam F, Skinner M, Salinaro F, Sun F, Ruberg FL, et al. Heart failure resulting from age-related cardiac amyloid disease associated with wild-type transthyretin: A prospective, observational cohort study. <i>Circulation<\/i> 2016; 133: 282\u2013290.","DOI":"10.1161\/CIRCULATIONAHA.115.018852"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Mohammed SF, Mirzoyev SA, Edwards WD, Dogan A, Grogan DR, Dunlay SM, et al. Left ventricular amyloid deposition in patients with heart failure and preserved ejection fraction. <i>JACC Heart Fail<\/i> 2014; 2: 113\u2013122.","DOI":"10.1016\/j.jchf.2013.11.004"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Gonzalez-Lopez E, Gallego-Delgado M, Guzzo-Merello G, de Haro-Del Moral FJ, Cobo-Marcos M, Robles C, et al. Wild-type transthyretin amyloidosis as a cause of heart failure with preserved ejection fraction. <i>Eur Heart J<\/i> 2015; 36: 2585\u20132594.","DOI":"10.1093\/eurheartj\/ehv338"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Pinney JH, Whelan CJ, Petrie A, Dungu J, Banypersad SM, Sattianayagam P, et al. Senile systemic amyloidosis: Clinical features at presentation and outcome. <i>Am Heart Assoc<\/i> 2013; 2: e000098.","DOI":"10.1161\/JAHA.113.000098"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Grogan M, Scott CG, Kyle RA, Zeldenrust SR, Gertz MA, Lin G, et al. Natural history of wild-type transthyretin cardiac amyloidosis and risk stratification using a novel staging system. <i>J Am Coll Cardiol<\/i> 2016; 68: 1014\u20131020.","DOI":"10.1016\/j.jacc.2016.06.033"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Kitaoka H, Izumi C, Izumiya Y, Inomata T, Ueda M, Kubo T, et al. JCS 2020 guideline on diagnosis and treatment of cardiac amyloidosis. <i>Circ J<\/i> 2020; 84: 1610\u20131671.","DOI":"10.1253\/circj.CJ-20-0110"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7. Yamada T, Takashio S, Arima S, Nishi M, Morioka M, Hirakawa K, et al. Clinical characteristics and natural history of wild-type transthyretin amyloid cardiomyopathy in Japan. <i>ESC Heart Fail<\/i> 2020; 7: 2829\u20132837.","DOI":"10.1002\/ehf2.12884"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Yamamoto H, Yokochi T. Transthyretin cardiac amyloidosis: An update on diagnosis and treatment. <i>ESC Heart Fail<\/i> 2019; 6: 1128\u20131139.","DOI":"10.1002\/ehf2.12518"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Ochi Y, Kubo T, Baba Y, Nakashima Y, Ueda M, Takahashi A, et al. Prediction of medium-term mortality in Japanese patients with wild-type transthyretin amyloidosis. <i>Circ Rep<\/i> 2020; 2: 314\u2013321.","DOI":"10.1253\/circrep.CR-20-0031"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Maurer MS, Schwartz JH, Gundapaneni B, Elliott PM, Merlini G, Waddington-Cruz M, et al; ATTR-ACT Study Investigators. Tafamidis treatment for patients with transthyretin amyloid cardiomyopathy. <i>N Engl J Med<\/i> 2018; 379: 1007\u20131016.","DOI":"10.1056\/NEJMoa1805689"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. Kazi DS, Bellows BK, Baron SJ, Shen C, Cohen DJ, Spertus JA, et al. Cost-effectiveness of tafamidis therapy for transthyretin amyloid cardiomyopathy. <i>Circulation<\/i> 2020; 141: 1214\u20131224.","DOI":"10.1161\/CIRCULATIONAHA.119.045093"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Endo J, Sano M, Izumiya Y, Tsujita K, Nakamura K, Tahara N, et al. A statement on the appropriate administration of tafamidis in patients with transthyretin cardiac amyloidosis. <i>Circ J<\/i> 2019; 84: 15\u201317.","DOI":"10.1253\/circj.CJ-19-0811"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Nakamura M, Imamura T, Hori M, Ushijima R, Joho S, Kinugawa K, et al. Initial experience with tafamidis treatment for transthyretin amyloid cardiomyopathy. <i>Circ Rep<\/i> 2020; 2: 420\u2013424.","DOI":"10.1253\/circrep.CR-20-0062"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. Gillmore JD, Maurer MS, Falk RH, Merlini G, Damy T, Dispenzieri A, et al. Nonbiopsy diagnosis of cardiac transthyretin amyloidosis. <i>Circulation<\/i> 2016; 133: 2404\u20132412.","DOI":"10.1161\/CIRCULATIONAHA.116.021612"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Maurer MS, Bokhari S, Damy T, Dorbala S, Drachman BM, Fontana M, et al. Expert consensus recommendations for the suspicion and diagnosis of transthyretin cardiac amyloidosis. <i>Circ Heart Fail<\/i> 2019; 12: e006075.","DOI":"10.1161\/CIRCHEARTFAILURE.119.006075"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Mitchell C, Rahko PS, Blauwet LA, Canaday B, Finstuen JA, Foster MC, et al. Guidelines for performing a comprehensive transthoracic echocardiographic examination in adults: Recommendations from the American Society of Echocardiography. <i>J Am Soc Echocardiogr<\/i> 2019; 32: 1\u201364.","DOI":"10.1016\/j.echo.2018.06.004"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Liu D, Hu K, Nordbeck P, Ertl G, St\u00f6rk S, Weidemann F. Longitudinal strain bull\u2019s eye plot patterns in patients with cardiomyopathy and concentric left ventricular hypertrophy. <i>Eur J Med Res<\/i> 2016; 21: 21.","DOI":"10.1186\/s40001-016-0216-y"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Phelan D, Collier P, Thavendiranathan P, Popovi\u0107 ZB, Hanna M, Plana JC, et al. Relative apical sparing of longitudinal strain using two-dimensional speckle-tracking echocardiography is both sensitive and specific for the diagnosis of cardiac amyloidosis. <i>Heart<\/i> 2012; 98: 1442\u20131448.","DOI":"10.1136\/heartjnl-2012-302353"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Ternacle J, Bodez D, Guellich A, Audureau E, Rappeneau S, Lim P, et al. 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