Objectives Endoscopic retrograde cholangiopancreatography (ERCP) is frequently used to manage pancreaticobiliary disorders in an inpatient setting. Malnutrition is prevalent among hospitalized patients, and it is generally associated with poor clinical outcomes. However, there is a lack of studies on how malnutrition affects the outcomes of inpatient ERCP. Thus, we investigated the outcomes of inpatient ERCP among patients with malnutrition. Methods Adult patients who underwent ERCP from the 2014 National Inpatient Sample database were selected to conduct retrospective analysis. Patient demographics and outcomes of ERCP were compared between the groups with and without malnutrition. The outcomes of interest were inpatient mortality, length of stay, total hospital charge, and ERCP complications, including pancreatitis, cholecystitis, cholangitis, sepsis, hemorrhage, and intestinal perforation. Results Patients with malnutrition had longer length of stay (15.5 days vs. 6.7 days, p < 0.05) and higher total hospital charge ($149,699 vs. $71,723, p < 0.05). Malnutrition was an independent risk factor for inpatient mortality (adjusted odds ratio (aOR) 2.54, 95% confidence interval (CI): 1.70-3.82, p < 0.05), sepsis (aOR 2.20, 95% CI: 1.82-2.65, p < 0.05), hemorrhage (aOR 1.64, 95% CI: 1.05-2.56, p < 0.05), and intestinal perforation (aOR 4.29, 95% Cl:1.61-11.46, p < 0.05). Conclusions Our study indicates that patients with malnutrition are more likely to have worse outcomes, such as increased inpatient mortality, sepsis, hemorrhage, and intestinal perforation. Understanding the nutrition status of patients undergoing ERCP can be a useful approach for risk stratification and determining if closer surveillance of the complications is warranted.
Keywords: endoscopic retrograde cholangiopancreatography (ercp); mortality; nutrition status; outcome analysis; s:malnutrition.
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