Initial Access Point for Coronary Angiography

In: Science

Submitted By faidzkh
Words 691
Pages 3
Coronary angiography refers to the radiographic visualization of the coronary vessels after injection of radiopaque contrast media. It is used to visualize the anatomy of the coronary arteries and deduce the extent of blockage of lumen. [1] The use of percutaneous coronary intervention is, but not restricted to, to treat coronary artery diseases. [2]
The American Heart Association uses Classes I, II, III to incorporate the indications and contraindications for the procedure. Class I incorporates conditions that prove the procedure is needed. Class II refers to findings challenge the efficiency of the procedure. Class III refers to all conditions which prove this procedure is not effective or harmful in some cases. [2]
The American Board of Surgery describes Class I conditions (clinical indications for angiography) as acute ST-Elevation Myocardial Infarctions (STEMI), Non ST-Elevation Acute Coronary Syndrome (NSTE-ACS), stable angina, variant and unstable angina. Immediate coronary angiography is recommended upon finding a patient with STEMI. For patients with NSTE-ACS, effective preventive and management is recommended. [3] For Class II patients, objective evidence of a moderate to large area of viable myocardium or moderate ischemia on non-invasive testing is an indication for angiography. Class III comprise of all clinical contraindications. These include intolerance to long term antiplatelet therapy, old age, presence of any comorbid conditions that limit the lifespan of patient. Arteries with diameters lesser than 1.5mm pose a threat and can lead to various risks. [3]
The possibility of key complications is less than 2%, but dynamics such as patient’s health, acute renal inefficiency, and cardiomyopathy elevate risk. The mortality rate is 0.45% (femoral 0.78%, radial 0.13%). [2] The incidence of myocardial infarction and cerebral embolism is high. The…...

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