Hyperhomocysteinemia and smoking in primary antiphospholipid syndrome
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The thrombotic tendency in anti phospholipid syndrome (APS) shares several pathways with atherosclerosis. Atherothrombosis (atherosclerosis superimposed with thromboses) is influenced by nonmodifiable and some modifiable risk factors (smoking, obesity, physical inactivity, alcohol abuse, hyperhomocysteinemia). Therefore, we investigated the association among clinical and serological features of patients with primary APS and potentially modifiable risk factors for the development of atherothrombosis. Also, we compared the analyzed parameters with those in control subjects. Homo cysteine concentrations were detected by HPLC (high performance liquid chromatography), while antiphospholipid antibodies were detected by ELISA. Smokers had elevated levels of homocysteine (chi(2) = 6.22, p lt 0.05). Independently of patients' age, the association between increased levels of homocysteine and history of myocardial infarctions was found (chi(2) = 4.61, p lt 0.05). Hyperhomocysteinemia and smok...ing are the most important modifiable risk factors for atherothrombosis in primary APS.
Keywords:hyperhomocysteinemia / smoking / primary antiphospholipid syndrome / myocardial infarction
Source:Journal of Medical Biochemistry, 2009, 28, 3, 172-175
- Društvo medicinskih biohemičara Srbije, Beograd i Versita