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Published on: April 1, 2015
[Protein S, C and antithrombin deficiency: association with myocardial infarction and thromboembolism in the young]
Neila Ben Romdhane1, Hela Baccouche, Sonia Ammar
1Service d'hematologie, Hopital La Rabta, Tunis, Tunisie.
Insights
Protein C and S deficiency are linked to myocardial infarction (MI) in younger individuals and predict future thromboembolic events. Further research is needed to clarify therapeutic implications.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Thrombophilia Research
Context:
- Myocardial infarction (MI) pathogenesis in young adults is increasingly linked to thrombophilia.
- Understanding the role of coagulation factor deficiencies is crucial for risk assessment.
Purpose:
- To investigate the association between deficiencies in Protein C (PC), Protein S (PS), and antithrombin (AT) with myocardial infarction (MI) in patients under 50.
- To evaluate the predictive value of these deficiencies for cardiovascular events during follow-up.
Summary:
- A study screened 50 acute MI patients and controls for PC, PS, and AT deficiencies.
- PS and PC deficiencies were significantly associated with MI (24% vs 0%, p=0.001 and 14% vs 0%, p=0.016, respectively).
- PC deficiency was an independent risk factor for MI, while AT deficiency was not observed. PS and PC deficiencies predicted venous thrombosis, and PS deficiency predicted pulmonary embolism during follow-up.
Impact:
- Protein C and S deficiencies may be significant contributors to MI in younger populations.
- These deficiencies are associated with increased risk of future thromboembolic complications.
- The findings highlight the need for further investigation into the therapeutic management of these conditions.
Background:
The pathogenesis of myocardial infarction (MI) in young involves new factors including constitutional or acquired thrombophilia.
Aim:
To determine in patients ² 50 years, the association between coagulation factors deficiency, myocardial infarction and cardiovascular events during follow-up.
Methods:
Protein C (PC), PS and antithrombin (AT) were screened in 50 patients admitted for acute MI and in a healthy control group. Univariate and multivariate analysis were performed using SPSS 11.5 version.
Results:
PS and PC deficiency were associated to MI (respectively 24% vs 0%, p=0.001 and 14% vs 0%, p=0.016), independently for PC. No AT deficiency was detected in both groups. During followup, PS and C deficiency were predictive for venous thrombosis (p<0.05) and PS deficiency for pulmonary embolism.
Conclusion:
Protein C and S deficiency may play an important role in MI in young and also in thromboembolic complications during follow-up. Nevertheless, therapeutic implications remain controversial.
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