Coronary artery aneurysms, insights from the international coronary artery aneurysm registry (CAAR).

Background: Coronary Aneurysms are a focal dilatation of an artery segment >1.5-fold the normal size of adjacent segments. Although some series have suggested a prevalence of 0.

Rationale and design of a multicenter, international and collaborative Coronary Artery Aneurysm Registry (CAAR).

Unlabelled: Coronary artery aneurysm is defined as a coronary dilation that exceeds the diameter of adjacent segments or the diameter of the patient's largest normal coronary vessel by 1.5×. It is an uncommon disease that has been diagnosed with increasing frequency since the widespread appearance of coronary angiography.

The utility of live video capture to enhance debriefing following transcatheter aortic valve replacement.

Background: The surgical and procedural specialties are continually evolving their methods to include more complex and technically difficult cases. These cases can be longer and incorporate multiple teams in a different model of operating room synergy. Patients are frequently older, with comorbidities adding to the complexity of these cases.