Response by Khalid et al to Letter Regarding Article, "Feasibility and Safety of High-Risk Percutaneous Coronary Intervention Without Mechanical Circulatory Support". - 2021 English ISSN: 1941-7640 Subjects--Topical Terms: *Heart-Assist Devices*Percutaneous Coronary InterventionFeasibility StudiesHeart-Assist Devices/ae [Adverse Effects]HumansPercutaneous Coronary Intervention/ae [Adverse Effects] Subjects--Geographic Terms: MedStar Heart & Vascular Institute Index Terms--Function: Editorial