Related Experiment Videos
Aspirin for prevention of myocardial infarction. A double-edged sword
Y Bar-Dayan1, Y Levy, H Amital
1Department of Medicine 'B', Research Unit of Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel.
Insights
Low-dose aspirin, used for preventing heart attacks, can paradoxically lead to myocardial infarction due to upper gastrointestinal bleeding. Educating patients on recognizing GI bleeding symptoms is crucial to prevent this serious complication.
Area of Science:
- Cardiology
- Gastroenterology
Background:
- Low-dose aspirin use is linked to upper gastrointestinal bleeding, particularly in elderly individuals.
- Anemia is a risk factor for acute myocardial infarction in patients with ischemic heart disease.
Purpose of the Study:
- To investigate the relationship between aspirin therapy, upper gastrointestinal bleeding, and subsequent myocardial infarction.
- To highlight the importance of patient education in managing aspirin-related complications.
Main Methods:
- Retrospective analysis of fifteen patients treated with low-dose aspirin for secondary prevention of ischemic heart disease.
- Patients presented with upper GI bleeding and were admitted for unstable angina or myocardial infarction.
Main Results:
- Nine patients experienced acute myocardial infarction, and six had unstable angina.
- The average patient age was 72 years; only two had a prior history of duodenal ulcer.
- Symptoms of GI bleeding (weakness, abdominal pain, melena) often preceded chest pain by 2-7 days.
Conclusions:
- Aspirin, intended for myocardial infarction prevention, may precipitate myocardial infarction as a consequence of upper GI bleeding.
- Delayed diagnosis of GI bleeding complications is often due to a lack of patient education.
- Instructing patients on recognizing and reporting GI bleeding symptoms can prevent aspirin-induced myocardial infarction.
Background:
The use of low dose aspirin is associated with upper gastrointestinal bleeding, especially in the elderly. Anemia is one of the risk factors of acute myocardial infarction especially in patients with ischemic heart disease.
Methods And Results:
We present a series of fifteen patients treated with low dose aspirin for secondary prevention of ischemic heart disease who had upper GI bleeding and were admitted to our hospital because of unstable angina or myocardial infarction. Nine patients had acute myocardial infarction and six patients had unstable angina. The mean age of the patient was 72 +/- 9 years. Only two patients had a previous history of duodenal ulcer before their admission. The duration of aspirin therapy ranged from a few days to more than a year. Weakness, abdominal pain and melena were present in most of the patients between 2-7 days before the appearance of chest pain, and syncope was the chief complaint in 5 patients.
Conclusions:
We conclude that aspirin which is given to patients in order to prevent myocardial infarction might cause myocardial infarction as a sequella of upper gastrointestinal bleeding. Lack of patient education was the primary cause of the delayed diagnosis of this complication. Instruction of patients treated by aspirin to seek medical advise because of symptoms of gastrointestinal bleeding could prevent acute myocardial infarction in patients treated by aspirin who have upper gastrointestinal bleeding.