angiographic success
Achievement of <30% residual stenosis with TIMI 3 flow and no major complications during percutaneous coronary intervention.
Full Definition
Angiographic success represents the primary endpoint for evaluating immediate procedural outcomes in percutaneous coronary intervention. The standard definition requires achievement of less than 30% residual diameter stenosis in the target lesion, restoration of TIMI grade 3 flow in the treated vessel, and absence of major angiographic complications such as flow-limiting dissection, abrupt closure, or distal embolization. Some definitions also include less than 50% residual stenosis as an alternative threshold. Angiographic success does not capture all clinically relevant outcomes and should be distinguished from procedural success (which includes clinical parameters) and clinical success (which incorporates symptom relief and functional improvement). Modern practice increasingly emphasizes optimal rather than just adequate angiographic results.
Usage
Usage note: Distinguish from procedural and clinical success in outcome reporting.
In Context
- "Angiographic success was achieved with 15% residual stenosis and TIMI 3 flow in all vessels." — Procedure outcome summary
- "Despite angiographic success, the patient experienced recurrent symptoms requiring functional assessment." — Clinical follow-up note