Introduction
Acquired left ventricular-right atrial (LV-RA) communication is a rare complication after cardiac surgeries, which may be caused by valvular surgeries associated with severely calcified aortic or mitral valves. Sudden left-to-right shunt leads to congestive heart failure. Here, we report here a case in which an inadequate of tricuspid annuloplasty suture was responsible for LV-RA communication.