To investigate whether atrial expression of interleukin-1beta (IL-1beta) and tumor necrosis factor-alpha (TNF-alpha) of right atrial appendages are altered in patients with rheumatic valvular disease during chronic atrial fibrillation.
[Changes of interleukin-1beta and tumor necrosis factor-alpha of right atrial appendages in patients with rheumatic valvular disease complicated with chronic atrial fibrillation].
