“…28,29 Initially, the use of the Novaflex and Commander delivery systems required the valve to be advanced through the right heart uncovered, which resulted in tricuspid valve injury with an incidence of 6% to 8%. 28,30 Thus, a Gore Dryseal (Gore and Associates) sheath is typically used to deliver the valve to the RVOT, which has been shown to significantly reduce the risk of tricuspid valve injury. [30][31][32]…”