关键词: font-size:medium, ">冠心病；抗血小板；出血；老年

Abstract: Objective： To improve the recognition of bleeding risk in the antithrombotic process by analyzing a case of senior patient with coronary heart disease occurred gastrointestinal bleeding during the antithrombotic therapy. Methods： The possible causes of hemorrhage were analyzed combined with the medical history， laboratory tests report and treatment process of the patient. Results： The reasons of hemorrhage might be as follows：①The senior patient with coronary heart disease had the history of gastric ulcer， hypertension， heart failure and other basic diseases， which might induce gastrointestinal bleeding during in antithrombotic therapy. ②Aspirin combined with clopidogrel dual antiplatelet therapy can cause gastrointestinal bleeding. ③Potassium chloride sustained-release tablets have stimulatike effect on the gastrointestinal tract， can aggravate the digestive tract injury of elderly patients and cause bleeding. Conclusion： Clinical antithrombotic therapy should be more cautious in senior patients， the risks and benefits should be evaluated in order to find potential risks timely.
   

Key words: Coronary heart disease, Anti-platelet, Bleeding, Elderly