Cardiac valve replacement and coronary artery bypass grafting may influence postoperative drug usage in two different ways. Patients are expected to use less dosage or less quantities of their cardiac drugs. In order to investigate this problem , we interviewed with 60 patients who underwent cardiac valve replacement and 49 patients who underwent aortocoronary bypass grafting. Short acting nitrate usage dropped off from % 86 to % 5.8 postoperatively in coronary artery bypass grafting group. Percentage of the other drugs' usage significantly became higher Usage of all drugs, especially anticoagulant and antiaggregant agents , became significantly higher in the cardiac valve replacement group.
Key Words : Post cardiac surgery, drug usage, life quality
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