One-Year Safety and Clinical Outcomes of a Transcatheter Interatrial Shunt Device for the Treatment of Heart Failure With Preserved Ejection Fraction in the Reduce Elevated Left Atrial Pressure in Patients With Heart Failure (REDUCE LAP-HF I) Trial: A Randomized Clinical Trial. - Shah SJ; Feldman T; Ricciardi MJ; Kahwash R; Lilly S; Litwin S; Nielsen CD; van der Harst P; Hoendermis E; Penicka M; Bartunek J; Fail PS; et al. (JAMA cardiology, 2018)