Prevalence of Monoclonal Gammopathy in Wild-Type Transthyretin Amyloidosis.

Objective: To evaluate the prevalence of monoclonal gammopathy (MG) in patients with wild-type transthyretin amyloidosis (ATTRwt) (formerly known as senile amyloidosis).

Patients And Methods: We retrospectively analyzed the serum protein electrophoresis and serum immunofixation results, free light chain (FLC) levels, and renal function of 113 consecutive patients with ATTRwt seen at the Brigham and Women's Hospital's Cardiac Amyloidosis Program between February 21, 2006, and November 9, 2016. Monoclonal gammopathy was defined as a monoclonal protein present in the serum.

Association Between Ruptured Distal Biceps Tendon and Wild-Type Transthyretin Cardiac Amyloidosis.

This cross-sectional study compares the frequency of rupture of the distal biceps tendon in patients with wild-type transthyretin amyloidosis cardiomyopathy vs those with other causes of heart failure.