Systemic Inflammatory Burden Correlates with Severity and Predicts Outcomes in Patients with Cardiogenic Shock Supported by a Percutaneous Mechanical Assist Device
Tóm tắt
In-hospital mortality associated with cardiogenic shock (CS) remains high despite introduction of mechanical circulatory support. In this study, we aimed to investigate whether systemic inflammation is associated with clinical outcomes in CS. We retrospectively analyzed systemic cytokine levels and the neutrophil-to-lymphocyte ratio (NLR), a marker of low-grade inflammation, among 134 patients with CS supported by VA-ECMO or Impella. Sixty-one percent of patients survived CS and either underwent device explantation or were bridged to LVAD or cardiac transplant. IL6 was the predominant circulating cytokine. IL6 levels were reduced after circulatory support in survivors. NLR pre-device implantation was significantly lower in patients with earlier stages of cardiogenic shock. Compared with non-survivors, survivors had a lower pre-device NLR and NLR was independently predictive of survival after adjusting for other covariates. In summary, NLR is a widely available marker of inflammation and correlates with in-hospital mortality among patients with cardiogenic shock requiring percutaneous mechanical circulatory support.
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Tài liệu tham khảo
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