“…In humans the treatment of choice for DORA is surgical correction under cardiopulmonary bypass. 9 , 10 , 15 Cardiopulmonary bypass remains largely out of reach for client-owned cats due to technical challenges associated with small body size and expense. 16 While bypass has been successfully performed in the cat in a research setting, studied cats were systemically healthy, had no cardiovascular disease, and were euthanized under anesthesia after being weaned from bypass.…”