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The study further aims to develop and implement new grading standards for the quantitative assessment of regurgitation severity, tailored to the distinct hemodynamic profile of ATTR-CM. This approach seeks to address the limitations of current regurgitation severity classifications, which do not adequately reflect the unique pathophysiology of a restrictive phenotype as seen in ATTR-CM.",[163,164,165,166,167],"ATTR Amyloidosis With Cardiomyopathy","ATTR-CM","ATTR Amyloidosis Wild Type","Mitral Regurgitation","Tricuspid Regurgitation",[164,169,167,166],"ATTR amyloidosis","2025-02-14",{"date":172,"type":173},"2025-02-19","ACTUAL",{"date":175,"type":173},"2025-01-01",{"date":177,"type":159},"2026-12-31",{"name":5,"class":6},8]