Afzal Qasim, Muneer Hussain Siddiqui, Muhammad Tanveer Alam.
Comparison of effectiveness of percutaneous coronary intervention and medication in patients with stable angina.
Gomal J Med Sci May ;13(1):81-4.

Stable angina is one of the main manifestations of coronary artery disease. The presence of angina symptoms, a positive exercise test for myocardial ischaemia and confirmation of coronary artery atherosclerosis by coro┬Čnary angiography are the bases of diagnosis of chronic stable angina. Present research however has yet not completely determined the helpfulness of invasive treatment of the coronary arteries with percutaneous coronary intervention in comparison with medication. Percutaneous coronary intervention is recognized to reduce the incidence of death and myocardial infarction in patients who suffer from acute coronary syndrome, the same benefit however does not appear to extend to patients who have stable coronary artery disease. Although some studies have shown improvement in survival for the patients with stable angina undergoing PCI but most have shown that PCI does not show any improvement in mortality or risk of myocardial infarction in these patients.

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