Cardiac Amyloidosis pRevaleNce of in OLDer Subjects Affected by Heart Failure

Assessment of commorbidity risk according Charlson Comorbidity Index (CCI)

The Charlson Comorbidity Index (CCI) assesses the level of comorbidity by considering the level of severity of 19 predefined comorbid disorders and the number of disorders present among them.

Time frame: At inclusion

Assessment of the degree of patient dependence according Katz Index of Independence in Activities of Daily Living (ADL)

Katz Index of Independence in Activities of Daily Living is an unabbreviated scale title. This Index ranks adequacy of performance in the six functions of bathing, dressing, toileting, transferring, continence, and feeding. Patients are scored yes/no for independence in each of the six functions. A score of 6 indicates full function, 4 indicates moderate impairment, and 2 or less indicates severe functional impairment.

Time frame: At inclusion

Measuring cognitive impairment according Mini-Mental State Examination (MMSE) score

The Mini-Mental State Examination is an unabbreviated scale title. This scale was developed as a brief screening tool to provide a quantitative evaluation of cognitive impairment and to record cognitive changes over time. The measure yields a total score of 30. A score of 23 or less is the generally accepted cutoff point indicating the presence of cognitive impairment. Levels of impairment have also been classified as none (24-30); mild (18-23) and severe (0-17)

Time frame: At inclusion

Estimating the probability of neuropathic pain according "DN4 Questionnaire"

This questionnaire is an unabbreviated score title, it was originally developed and validated in French (4 items of neuropathic pain). It was identified as one of the most suitable neuropathic pain screening tools for clinical use: * Sensitivity: Ranges from 75-98%. Proven high sensitivity for central neuropathic pain and polyneuropathies. Sensitivity is low for tigeminal neuralgia. Moderate sensitivity for detecting a neuropathic component of pain in people with chronic pain. * Specificity: Ranges from 37-96%.