Definitions of PCI Success

Percutaneous coronary intervention (PCI) success may be defined by angiographic, procedural, and clinical criteria.

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1•Angiographic success in a stented artery is a minimum stenosis diameter reduction to <20% .

2-Procedural Success
A successful PCI : should achieve angiographic success without in-hospital major clinical complications (e.g., death, myocardial infarction [MI], emergency coronary artery bypass surgery) during hospitalization. MI is often defined as the development of Q waves in addition to elevation of troponins three times the upper limit of the laboratory’s normal value. Cardiac troponin T and I as measurements of myocardial necrosis are more sensitive and specific than CK-MB. Enzyme elevation in the absence of new Q waves is counted as MI, peri-procedural. There is no consensus on what level of troponin alone is clinically important enough to change major management following the interventional procedure.

3-Clinical Success •A clinically successful PCI is ananatomical and procedural success with relief of signs and/or symptoms of myocardial ischemia after recovery from the procedure. The long-term clinical success requires that the patient have persistent relief of signs and symptoms of myocardial ischemia for more than 6 months. Restenosis is the principal cause of lack of long-term clinical success when short-term clinical success has been achieved

About Dr.Nabil Paktin

Cardiologist , M.D.,F.A.C.C.

Posted on November 22, 2014, in Uncategorized. Bookmark the permalink. Leave a comment.

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