Background and AimsEarly diagnosis and specific therapy are crucial for the prognosis of patients with systemic amyloidosis. The aim of this single-center retrospective study was to evaluate the clinical course and identify prognostic factors associated with survival in a large cohort of patients from the Regional Reference Center “Gemelli Isola” in Rome, Italy.MethodA total of 244 patients with amyloidosis were studied, including 100 with AL (63 M, 37 F, mean age 64 ± 13 yrs), 18 with AA (3 M, 15 F, mean age 57 ± 21 yrs), 9 with amyloidosis due to myeloma (MM) (5 M, 4 F, mean age 65 ± 15 yrs), 69 with ATTR mutant (38 M, 31 F, mean age 63 ± 15 yrs), 33 with ATTR wild-type (31 M, 2 F, mean age of 70 ± 10 yrs) 2 with Apolipoprotein (1 M, 1 F, mean age 60 yrs), and 15 unclassified amyloidosis (AX) (9 M, 6 F, mean age 63 ± 9 yrs). We considered several parameters …