A Retrospective Validation Study To Identify Chart-Based Clinical Diagnosis Of Wild-Type Transthyretin Amyloid Cardiomyopathy (Attrwt-CM) And Non-Amyloid Heart Failure Among Patients With Heart Failure (HF).
This is an observational, retrospective non-inferiority study with a study sample from a large national database.
A machine learning (ML) model will use a national database to predict the clinical diagnosis of ATTRwt-CM among HF patients. This study will include HF patients ≥50 years old.
HF patients (defined as having ≥1 claim for HF or HF treatment) ≥50 years old with clinical diagnosis of ATTRwt-CM or non-amyloid HF ascertained by charts. Patients will be required to have ≥12 months of continuous activity in the EHR or claims prior to the Index Date.
Exclusion Criteria:
Patients with any of the following diagnoses:
Light chain (AL) amyloidosis Intracranial hemorrhage Cerebral amyloid angiopathy End stage renal disease Blood cancer
