• J Interv Cardiol · Jun 2016

    Multicenter Study

    Women With Cardiogenic Shock Derive Greater Benefit From Early Mechanical Circulatory Support: An Update From the cVAD Registry.

    • Susan M Joseph, Meredith A Brisco, Monica Colvin, Kathleen L Grady, Mary Norine Walsh, Jennifer L Cook, and genVAD Working Group.
    • Advanced Heart and Lung Disease, Baylor University Medical Center, Dallas, Texas.
    • J Interv Cardiol. 2016 Jun 1; 29 (3): 248-56.

    ObjectivesThe aim of this analysis was to assess survival differences between men and women supported with Impella 2.5 (Abiomed Inc., Danvers) in the setting of acute myocardial infarction (AMI) complicated by cardiogenic shock (CS).BackgroundData on sex differences in outcomes of CS with mechanical circulatory support are sparse.MethodsPatients enrolled in the cVAD Registry who underwent percutaneous coronary intervention (PCI) and Impella 2.5 support for CS complicating an AMI were included. Differences between men and women were examined.ResultsIn total, 180 patients were analyzed. Women (n = 49, 27.2%) were older (71.0 ± 12.8 years vs 63.8 ± 13.0, P = 0.001), smaller (BSA 1.82 ± 0.22 vs 2.04 ± 0.24 m(2) , P < 0.001), and had a higher STS mortality risk score than men (27.9 ± 17.0 vs. 20.8 ± 16.8 P = 0.01). There was no difference in survival to discharge (P = 0.3). Patients receiving the Impella 2.5 pre-PCI had significantly lower inpatient mortality than those who received support post-PCI (P = 0.003). However, the magnitude of the survival benefit was significantly greater in women who received the Impella pre-PCI as compared to men. Overall, 68.8% of women survived with pre-PCI Impella 2.5 versus 24.2% post-PCI (P = 0.005) whereas 54.2% of men survived with pre-PCI Impella 2.5 versus 40.3% post-PCI (P = 0.1, p-interaction = 0.07). No differences in timing to intervention were found between men and women.ConclusionsEarly initiation of hemodynamic support prior to PCI with Impella 2.5, in the setting of AMI complicated by CS, was associated with a greater survival benefit to hospital discharge in women compared to men, despite a higher predicted risk of mortality and a greater revascularization failure rate for women. (J Interven Cardiol 2016;29:248-256).© 2016, Wiley Periodicals, Inc.

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