Journal
EUROPEAN HEART JOURNAL
Volume 25, Issue 18, Pages 1641-1650Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.ehj.2004.07.032
Keywords
gender; unstable angina; non-ST-elevation myocardial infarction; interventional strategy; conservative strategy; coronary revascularization
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Aims The RITA 3 trial randomized patients with non-ST-elevation myocardial infarction or unstable angina to strategies of early intervention (angiography followed by revascularization) or conservative care (ischaemia or symptom driven angiography). The aim of this analysis was to investigate the impact of gender on the effect of these two strategies. Methods and results In total, 1810 patients (682 women and 1128 men) were randomized. The risk factor profile of women at presentation was markedly different to men. There was evidence that men benefited more from an early intervention strategy for death or non-fatal myocardial infarction at 1 year (adjusted odds ratios 0.63, 95% confidence interval 0.41-0.98 for men and 1.79, 95% confidence interval 0.95-3.35 for women; interaction p-value = 0.007). Men who underwent the assigned angiogram were more likely to be put forward for coronary artery bypass surgery, even after allowing for differences in disease severity. Conclusion An early intervention strategy resulted in a beneficial effect in men which was not seen in women although caution is needed in interpretation. Further research is needed to evaluate why women do not appear to benefit from early intervention and to identify treatments that improve the prognosis of women. (C) 2004 Published by Elsevier Ltd on behalf of The European Society of Cardiology.
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