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Malnutrition and sarcopenia predict post-liver transplantation outcomes independently of the Model for End-stage Liver Disease score.

ABSTRACT:

Background

Although malnutrition and sarcopenia are prevalent in cirrhosis, their impact on outcomes following liver transplantation is not well documented.

Methods

The associations of nutritional status and sarcopenia with post-transplant infections, requirement for mechanical ventilation, intensive care (ICU) and hospital stay, and 1 year mortality were assessed in 232 consecutive transplant recipients. Nutritional status and sarcopenia were assessed using the Royal Free Hospital-Global Assessment (RFH-GA) tool and the L3-psoas muscle index (L3-PMI) on CT, respectively.

Results

A wide range of RFH-SGA and L3-PMI were observed within similar Model for End-stage Liver Disease (MELD) sub-categories. Malnutrition and sarcopenia were independent predictors of all outcomes. Post-transplant infections were associated with MELD (OR = 1.055, 95%CI = 1.002-1.11) and severe malnutrition (OR = 6.55, 95%CI = 1.99-21.5); ventilation > 24 h with MELD (OR = 1.1, 95%CI = 1.036-1.168), severe malnutrition (OR = 8.5, 95%CI = 1.48-48.87) and suboptimal donor liver (OR = 2.326, 95%CI = 1.056-5.12); ICU stay > 5 days, with age (OR = 1.054, 95%CI = 1.004-1.106), MELD (OR = 1.137, 95%CI = 1.057-1.223) and severe malnutrition (OR = 7.46, 95%CI = 1.57-35.43); hospital stay > 20 days with male sex (OR = 2.107, 95%CI = 1.004-4.419) and L3-PMI (OR = 0.996, 95%CI = 0.994-0.999); 1 year mortality with L3-PMI (OR = 0.996, 95%CI = 0.992-0.999). Patients at the lowest L3-PMI receiving suboptimal grafts had longer ICU/hospital stay and higher incidence of infections.

Conclusions

Malnutrition and sarcopenia are associated with early post-liver transplant morbidity/mortality. Allocation indices do not include nutritional status and may jeopardize outcomes in nutritionally compromised individuals.

SUBMITTER: Kalafateli M 

PROVIDER: S-EPMC4864202 | biostudies-literature |

REPOSITORIES: biostudies-literature

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