Prevalence of Cardiovascular Risk Factors in Women With Obstructive Coronary Disease Requiring Revascularization: A Meta-analysis
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Background: Cardiovascular disease continues to be the primary cause of premature mortality in women, who previously have been overlooked in clinical trials. Several studies showed that women undergoing coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) present more cardiovascular risk factors at baseline, develop more postprocedural complications, and have a higher mortality rate than men. The goal of this review is to analyze the difference between men and women in terms of the prevalence of individual cardiovascular risk factors.
Methods: A meta-analysis was conducted of original investigations with adult subjects who underwent surgical intervention or PCIs in which cardiovascular risk factors were evaluated, using the MEDLINE, Cochrane, Evidence-Based Medicine Reviews (EBMR), Ovid Embase, Google Scholar, and PubMed databases.
Results: Of the 4567 identified records found, 18 were retained for qualitative analysis. Prevalence of hypertension (CABG: 71% (95% confidence interval [CI] 64%, 78%]); PCI: (59% [95% CI 48%,70%]), and diabetes (CABG: 48% [95% CI 38%, 57%]); PCI 43% (95% CI 27%, 59%]) was high in women. Women who underwent either CABG or PCI had higher odds of having hypertension (CABG: odds ratio [OR] 1.92 [95% CI 1.47-2.50], < 0.05); PCI: OR 1.86 [95% CI 1.76-1.97], < 0.05]), and diabetes (CABG: OR 1.94 [95% CI 1.55-2.42], < 0.05; PCI: OR 1.97 [95% CI 1.54-2.53], < 0.05)). However, the prevalence of smoking among women, compared to men, was lower (CABG: 0.17 [95% CI 0.06-0.52], < 0.05; PCI: 0.22 [95% CI 0.06-0.86], < 0.03).
Conclusion: The review shows that women who underwent either surgical or percutaneous revascularization had higher odds of hypertension and diabetes, compared to men.