Impact of Malnutrition on Outcomes in Patients Undergoing Transjugular Intrahepatic Portosystemic Shunt Insertion.
BACKGROUND: Malnutrition is common in patients with cirrhosis and is associated with poor outcomes after hepatic resection and liver transplantation. Transjugular intrahepatic portosystemic shunt (TIPS) is performed for complications of cirrhosis. AIM: To assess the impact of malnutrition on TIPS outcomes. METHODS: A retrospective analysis was performed using the Healthcare Cost and Utilization Project: National Inpatient Sample database for TIPS procedures from 2005 to 2014. The primary end point was in-hospital mortality. The association of specific malnutrition diagnostic codes and race-ethnicity on mortality was evaluated with survey-weighted logistic regression adjusted for age, gender, admission type, insurance payer, hospital region, comorbidities, and length of stay (LOS). RESULTS: From 2005 to 2014, an estimated 53,207 (95% CI 49,330-57,085) admissions with TIPS occurred. A diagnosis of malnutrition was present in 11%. In-hospital death post-TIPS occurred in 15.0% versus 10.7% (p value < 0.001) of patients with and without malnutrition, respectively. Patients with malnutrition had longer post-procedural LOS (median 6.7 vs. 2.9 days, p value < 0.001) and greater total hospital charges (median $144,752 vs. $79,781, p value < 0.001) and were more likely to be discharged to a skilled nursing facility (21.6% vs. 9.7%) than patients without malnutrition. Patients with malnutrition had increased odds of mortality (OR 1.31, 95% CI 1.07, 1.59) compared to patients with no malnutrition. CONCLUSION: Malnutrition was associated with worse outcomes after TIPS. Further research is needed to understand the mechanism of malnutrition in post-procedure outcomes and the ability of interventions for nutritional optimization to improve outcomes.
Chiang, RS; Parish, A; Niedzwiecki, D; Kappus, MR; Muir, AJ
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