PCSK9 and familial hyperaldosteronism: The aim of this study is to present data on the spectrum of the LDLR, APOB and PCSK9 gene variants in a cohort of 595 index Russian patients with FH, and to perform an additional systematic analysis of the literature for the period of 1995–2020 on LDLR, APOB and PCSK9 gene variants described in Russian FH patients.