AIMS: The aim of this study was to analyse the prognostic impact of anaemia in patients receiving long-term left ventricular assist device (LVAD) support. METHODS AND RESULTS: We reviewed the data of 65 consecutive patients who underwent LVAD support for at least 6 months. Anaemia was defined as haemoglobin levels <12.0 g/dL. Follow-up was performed 15 months after implantation. Anaemia was present in 30/65 patients (46%) after 6 months of LVAD support. Anaemic patients had higher levels of pre-implant creatinine (1.8 +/- 0.8 vs. 1.4 +/- 0.5 mg/dL; P = 0.04). The presence of anaemia after 6 months correlated with higher levels of creatinine and blood urea nitrogen and lower levels of albumin. Multivariate Cox proportional hazards regression analysis revealed that levels of haemoglobin <12 g/dL [risk ratio (RR), 8.94; 95% confidence interval (CI), 1.09-73.01; P = 0.04], creatinine >1.4 mg/dL (RR, 5.39; 95% CI, 1.78-16.30; P = 0.003), and albumin <1.5 g/L (RR, 3.23; 95% CI, 1.10-9.51; P = 0.03) were associated with all-cause mortality at 15 months. Long-term survival evaluated by Kaplan-Meier analysis was two times higher in non-anaemic patients after 6 months of LVAD support than in anaemic patients (P = 0.01). CONCLUSION: Anaemia is related to adverse outcomes in patients receiving prolonged LVAD support.
AIMS: The aim of this study was to analyse the prognostic impact of anaemia in patients receiving long-term left ventricular assist device (LVAD) support. METHODS AND RESULTS: We reviewed the data of 65 consecutive patients who underwent LVAD support for at least 6 months. Anaemia was defined as haemoglobin levels <12.0 g/dL. Follow-up was performed 15 months after implantation. Anaemia was present in 30/65 patients (46%) after 6 months of LVAD support. Anaemic patients had higher levels of pre-implant creatinine (1.8 +/- 0.8 vs. 1.4 +/- 0.5 mg/dL; P = 0.04). The presence of anaemia after 6 months correlated with higher levels of creatinine and blood ureanitrogen and lower levels of albumin. Multivariate Cox proportional hazards regression analysis revealed that levels of haemoglobin <12 g/dL [risk ratio (RR), 8.94; 95% confidence interval (CI), 1.09-73.01; P = 0.04], creatinine >1.4 mg/dL (RR, 5.39; 95% CI, 1.78-16.30; P = 0.003), and albumin <1.5 g/L (RR, 3.23; 95% CI, 1.10-9.51; P = 0.03) were associated with all-cause mortality at 15 months. Long-term survival evaluated by Kaplan-Meier analysis was two times higher in non-anaemic patients after 6 months of LVAD support than in anaemic patients (P = 0.01). CONCLUSION:Anaemia is related to adverse outcomes in patients receiving prolonged LVAD support.
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