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Lawton et al 2021 ACC/AHA/SCAI Coronary Revascularization Guideline

CLINICAL STATEMENTS AND GUIDELINES

Circulation. 2022;145:e18–e114. DOI: 10.1161/CIR.0000000000001038 January 18, 2022

publications and statements deemed pertinent to this writing effort and is intended for use as a resource, thus obviating the need to repeat existing guideline recommendations.

1.5 Class of Recommendation and Level of

Evidence The Class of Recommendation (COR) indicates the strength of recommendation, encompassing the estimated magnitude and certainty of benefit in proportion to risk. The Level of Evidence (LOE) rates the quality of scientific evidence supporting the intervention on the basis of the type, quantity, and consistency of data from clinical trials and other sources (Table 2).1 1.6 Abbreviations

Abbreviation Meaning/Phrase ACS acute coronary syndrome AKI acute kidney injury AMI acute myocardial infarction AVR aortic valve replacement BIMA bilateral internal mammary artery BMS bare-metal stent CABG coronary artery bypass graft CAD coronary artery disease CKD chronic kidney disease

Table 2.  Applying American College of Cardiology/American Heart Association Class of Recommendation and Level of Evidence to Clinical Strategies, Interventions, Treatments, or Diagnostic Testing in Patient Care (Updated May 2019)*

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