Amyloidosis is a disease caused by the continuous accumulation of fibrillary proteins in the extracellular matrix causing the architecture of different organs to be disrupted. The prevalence of the disease increases with age. The two most common forms are light chain amyloidosis (AL) and transthyretin (TTR). TTR amyloidosis may be hereditary (m-TTR, or mutated) or age-related (WT-TTR, or wild). The latter is also called senile amyloidosis. In all these forms, cardiac impairment is common and leads the patient to consult/or be referred to a cardiological center unfortunately often too late when the prognosis is directly related to the severity of the heart attack. The description/discovery of clinical signs prior to heart disease is important to improve the detection and diagnosis of early forms of cardiac amyloidosis (CA). For example, an infiltration of the carpal tunnel synovial by amyloid deposits is observed in some patients, 5 years before the onset of signs of heart failure and is the only warning sign of the disease known to date. We also showed in a previous study that patients had more severe and earlier impairment of hearing function than expected by age and gender. Objective The main objective is to define the prevalence and severity of smell and taste disorders in a population of patients with cardiac amyloidosis (3 types of mutated or wild AL amyloidosis and TTR). The main endpoint is to determine the number of patients with impaired smell and taste's functions in a population of patients diagnosed with cardiac amyloidosis (3 types of mutated (hereditary) or senile wild amyloidosis (3 types of AL amyloidosis and TTR). Method Successive monocentric cross-sectional study on the screening of smell and taste disorders carried out as part of a cardiology hospitalization programmed for the cardiology follow-up of his pathology in a population of patients diagnosed with AC.
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Prevalence of smell and taste disorders in a population of patients with cardiac amyloidosis
Timeframe: at inclusion day
Severity of smell and taste disorders in a population of patients with cardiac amyloidosis, evaluated with Sniffin's stick tests score (score/48)
Timeframe: at inclusion day