Impact of peri-transplant heart failure & left-ventricular diastolic dysfunction on outcomes following liver transplantation.
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CitationLiver Int. 2012, 32(8):1262-9
AbstractAssess the prevalence of peri-transplant heart failure and its potential relation to post-transplant morbidity and mortality. A retrospective study was performed on 234 consecutive cirrhotic patients undergoing liver transplantation in a single European center from 1999 to 2007 (mean age 52, 30% women, 36% with alcoholic liver disease, 24% with viral hepatitis, 18% cholestatic liver disease). Left ventricular diastolic dysfunction was defined as E/A ratio ≤ 1. We used the Boston classification for heart failure to assess the prevalence of peri-transplant heart failure. Patients were followed up for a mean of 4 years post-transplant (0.5-9 years). Eighteen per cent of patients demonstrated diastolic dysfunction pretransplant. During the peri-transplantation period highly possible heart failure occurred in 27%. In logistic regression analysis, heart failure was independently related to lower mean arterial blood pressure (OR 0.94, 95% CR 0.91-0.98) and prolonged corrected QT time on ECG (OR 9.10, 95% CI 3.77-21.93) pretransplant. Peri-transplant mortality amounted to 5%, and was independently related to heart failure (OR 15.11, 95% CI 1.76-129.62) and the peri-transplant need of dialysis (OR 14.18, 95% CI 1.65-121.89). Heart failure was also associated with longer stay in the intensive care unit and peri-transplant cardiac events (P < 0.05). Long-term transplant-free mortality was independently related to diastolic dysfunction at baseline (Hazard ratio 4.82, 95% CI 1.78-13.06). Heart failure occurs in approximately a quarter of patients with cirrhosis following liver transplantation and it is an independent predictor of mortality and morbidity.
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RightsArchived with thanks to Liver international : official journal of the International Association for the Study of the Liver
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