Angiograms were performed by standard technique via radial or femoral approach. Obstructive CAD was primarily defined as stenosis >50% in any major epicardial coronary artery, but the alternative stenosis cutoff of >70% was also assessed. Left main trunk with at least 50% stenosis was always considered as >70% CAD. Invasive coronary angiography wad graded by visual inspection of the cath-lab physician performing the diagnostic procedure.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.