![]() On the contrary, PCI rates continue to remain low in CAA patients with NSTEMI, reflecting overall contemporary NSTEMI treatment trends. Revascularization trends in AMI patients with CAA mirrored those in AMI patients without CAA.ĭespite the technical challenges associated with PCI in CAA, PCI rates in STEMI patients with CAA continue to increase over time. In NSTEMI patients with CAA, PCI rate remained unchanged from 33.3% in 2000 to 37.3% in 2011 (P = 0.34). In STEMI patients with CAA, PCI rate increased from 49.9% in 2000 to 77.8% in 2011 (P < 0.001). Overall PCI rate was 47.8% and coronary artery bypass grafting rate was 8.8%. Mean age of the CAA population was 59 years with 63.6% males. Conclusions: We were able to successfully stent with both the deformed Judkins-Left guiding catheter and GuideLiner® for an anomalous RCA origin. Of these, there were 8131 patients with CAA, including 3425 STEMI and 4706 NSTEMI patients. Results: We used GuideLiner®, a novel pediatric catheter with rapid exchange/monorail systems, to enhance back-up support. There were almost 4.7 million subjects with AMI undergoing coronary angiography from 2000 to 2011. Multivariate logistic regression was used to identify predictors of revascularization. Chi-square test for trend was used to compare revascularization rates over time. We included adult patients with CAA presenting as ST segment elevation myocardial infarction (STEMI) or non-ST segment elevation myocardial infarction (NSTEMI) and undergoing coronary angiography from Nationwide Inpatient Sample from 2000 to 2011, using ICD-9 diagnosis code of 746.85 for CAA. Our objective was to evaluate trends and predictors of revascularization in patients with CAA and AMI using a large national database. This confluence makes it difficult to identify and treat the culprit lesion with percutaneous coronary intervention (PCI). Acute myocardial infarction (AMI) is rarely associated with coronary artery anomalies (CAA).
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