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Published on: August 16, 2019
Two models of homocysteine behavior in acute myocardial infarction
Alvaro Osorio1, Esperanza Ortega, Estrella Ruiz-Requena
1Department of Cardiovascular Surgery, La Princesa University Hospital s/n, Madrid, Spain.
Insights
Homocysteine (Hcy) levels in myocardial infarction (MI) patients show distinct patterns post-infarction. Some patients exhibit rising Hcy, while others show decreasing levels, potentially indicating asymptomatic myocardial ischemia.
Area of Science:
- Cardiology
- Biochemistry
- Clinical Medicine
Background:
- Elevated homocysteine (Hcy) is a risk factor for cardiovascular diseases.
- Understanding Hcy dynamics post-myocardial infarction (MI) is crucial for patient management.
Purpose of the Study:
- To investigate homocysteine (Hcy) levels in patients during the post-myocardial infarction (MI) follow-up period.
- To compare Hcy levels between MI patients and healthy controls.
Main Methods:
- Serum Hcy levels were measured in 127 acute MI patients on day 0 and days 2, 5, 7, 9, and 11 post-infarction.
- Hcy levels were compared between MI patients and 90 healthy controls.
- MI patients were categorized based on day 0 Hcy levels relative to controls.
Main Results:
- Acute MI patients exhibited higher Hcy levels on day 0 compared to controls.
- Two distinct Hcy patterns were observed in MI patients post-infarction.
- One group showed increased Hcy levels from day 2 onwards, while another group displayed decreased levels from day 0.
Conclusions:
- The differing Hcy level behaviors in MI patients may correlate with the presence or absence of asymptomatic myocardial ischemia.
- Further research is warranted to validate the association between Hcy dynamics and asymptomatic myocardial ischemia.
Objectives:
To study homocysteine (Hcy) levels during post-infarction follow-up.
Methods And Results:
In this study, serum Hcy levels were measured in 90 healthy individuals and in 127 patients with acute myocardial infarction (MI) on the day of infarction (day 0) and days 2, 5, 7, 9, and 11 post-infarction, comparing Hcy levels in MI patients on day 0 with their follow-up results and with levels in controls. Overall, MI patients had higher Hcy levels on day 0 versus controls. However, the behavior of Hcy levels differed between two groups of MI patients. Thus, patients with similar Hcy levels to controls on day 0 showed significantly higher levels on days 2, 5, 7, 9, and 11 post-infarction than on day 0. In contrast, patients with significant higher Hcy levels than controls on day 0 showed significantly lower levels on days 2, 5, 7, 9, and 11 post-infarction than on day 0.
Conclusions:
Different behaviors of Hcy levels in MI patients might correspond to a history or absence of history of asymptomatic myocardial ischemia. Further research is required to test this hypothesis.
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