Contributions Issam D. Moussa, MD, MBA, FSCAI SCAI/HRS Expert Consensus Statement on Transcatheter Left Atrial Appendage Closure (LAAC) Issam D. Moussa, MD, MBA, FSCAI SCAI Position Statement on the Performance of PCI in Ambulatory Surgical Centers Issam D. Moussa, MD, MBA, FSCAI SCAI/ACC/HRS Institutional and Operator Requirements for Left Atrial Appendage Occlusion Issam D. Moussa, MD, MBA, FSCAI Consideration of a New Definition of Clinically Relevant Myocardial Infarction After Coronary Revascularization Issam D. Moussa, MD, MBA, FSCAI Staging of Multi-Vessel Percutaneous Coronary Interventions