Laboratory and clinical predictors of 30-day survival for patients on Extracorporeal Membrane Oxygenation (ECMO): 8-Year experience at Albert Einstein College of Medicine, Montefiore Medical Center
2017
Abstract Purpose Survival of patients on ECMO has remained stable in every population. Laboratory values predictors of survival are required to improve patient care. Materials and methods Clinical Looking Glass software was used to assess Electronic Medical Records (EMRs) of patients at Albert Einstein College of Medicine, Montefiore Medical Center (2007–2014). Results Our population comprises of 166 adults and was divided in survivors and non-survivors, within 30 days. Indications for ECMO were cardiac (65%), respiratory (25%) and infectious diseases ( vs 55 yo, p = 0.0001) and higher systolic blood pressure (115 mm Hg vs 103 mm Hg, p = 0.025) have favorable outcome. Univariate analysis shows that pre-cannulation values for creatinine ( p = 0.0003), chloride ( p = 0.009), bicarbonate ( p = 0.015) and pH ( p = 0.03) have prognostic value. Post-cannulation aPTT, pH, platelet and lymphocyte counts also have discriminative power. Notably, multiple logistic regressions for Multivariate Analysis identified chloride (OR 1.07; 95% CI 1.02–1.13; p = 0.004), pH (OR 3.35; 95% CI 1.89–5.9; p p = 0.024) as independent risk factors for 30-day mortality. These results imply that pre-existing renal conditions and hemostatic dysregulation contribute to poor outcome. Finally, patients on VV-ECMO have increase odds of survival (OR 1.88; 95% CI 1.06–3.34; p = 0.029). Conclusions Laboratory markers identified herein may guide the management of patients on ECMO.
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