Association between anticardiolipin antibodies and recurrent cardiac events in patients with acute coronary syndrome.
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| Abstract |
To determine whether the presence of anticardiolipin (aCL) antibodies in patients with acute coronary syndrome is predictive of recurrent cardiac events in hospital stay and follow-up. The study population consisted of 80 patients with acute coronary syndrome. IgM and IgG aCL levels were determined before hospital discharge. We divided the patients into those with an aCL IgG >or= 40 IgG phospholipid units (group I, n = 30) and those with an aCL IgG < 40 IgG phospholipid units (group II, n = 50). All patients underwent coronary angiography. Follow-up coronary angiography was performed 12 months after percutaneous coronary intervention (PCI). Infectious and autoimmune diseases were exclusion criteria. Patients were observed to determine overall mortality, reinfarction, and restenosis. There were no differences between the groups with respect to the prevalence of hypertension, diabetes mellitus, and cigarette smoking, sex, or ejection fraction. The prevalence of left ventricular thrombus was similar between the groups (group I: 16% versus group II: 16.7%, P > 0.05). Although the presence of left atrial thrombus was much more frequent in cardiolipin positive patients (13% versus 4%, respectively), the difference was not statistically significant (P = 0.19). Restenosis was observed in 40% of the cardiolipin positive patients and 14% of the cardiolipin negative patients (P < 0.01). There was no significant association between reinfarction and anticardiolipin positivity during follow-up (26% versus 10%, P > 0.05). In group I patients, in-hospital mortality was somewhat more frequent compared to group II patients (4% versus 10%), but the difference was not statistically significant (P = 0.27). One year mortality was similar between the groups. These results suggest that 1) restenosis occurs more frequently in anticardiolipin positive patients and 2) no association is evident between positive aCL and mortality, reinfarction, and intracardiac thrombus.
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| Authors | Adalet Gürlek, Cagdaş Ozdöl, Gülgün Pamir, Irem Dinçer, Hüseyin Tutkak, Derviş Oral |
| Journal | International heart journal (Int Heart J) Vol. 46 Issue 4 Pg. 631-8 (Jul 2005) ISSN: 1349-2365 [Print] Japan |
| PMID | 16157954 (Publication Type: Journal Article) |
| Chemical References |
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