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. 2020 Jan;39(1):250-257.
doi: 10.1016/j.clnu.2019.01.022. Epub 2019 Jan 31.

Association of total cholesterol with severe acute pancreatitis: A U-shaped relationship

Wandong Hong  1 , Vincent Zimmer  2 , Zarrin Basharat  3 , Maddalena Zippi  4 , Simon Stock  5 , Wujun Geng  6 , Xueqin Bao  7 , Junfeng Dong  8 , Jingye Pan  9 , Mengtao Zhou  10
Affiliations

Association of total cholesterol with severe acute pancreatitis: A U-shaped relationship

Wandong Hong et al. Clin Nutr. 2020 Jan.

Abstract

Background & aims: There is no consensus on relationship between total cholesterol levels and incidence of severe acute pancreatitis (SAP). The aim of this study was to investigate the relation between total cholesterol (TC) and the disease severity of acute pancreatitis.

Methods: We conducted a cross-sectional study on patients with acute pancreatitis between April 2012 and December 2015 in a university hospital. Fasting blood total cholesterol (TC) was assayed within 24 h of admission, as well as 3-5 days, 7-9 days and 13-15 days during hospitalization. Time interval before admission, age, gender, Body Mass Index, hypertension, diabetes mellitus, alcohol consumption, smoking, etiology and albumin were recorded as potential confounding factors. To assess the pattern of relationship of TC and SAP, we used restricted cubic spline analysis with multivariable logistic regression analysis. We also compared total cholesterol concentrations between patients with or without SAP at different time points.

Results: 648 patients (median age: 47.5 years; 62.4% man) were enrolled. The incidence of SAP was 10%. A U-shaped association of TC level within 24 h of admission with severity was observed in acute pancreatitis. Patients with low TC levels (<160 mg/dL) and high TC levels (>240 mg/dL) had a significantly higher incidence of SAP and protracted hospital stays when compared to moderate TC levels (160-240 mg/dL). Low total cholesterol levels (OR 2.72; 95 %eCI 1.27-5.83; P = 0.01) and high total cholesterol levels (OR 2.54; 95 %eCI 1.09-5.89; P = 0.03), were still independently associated with development of SAP after adjusting for potential confounding factors. Longitudinal cohort study indicated that patients with SAP had lower total cholesterol concentrations among 3-15 days after admission compared to patients without SAP (P < 0.001).

Conclusions: Both low TC level (<160 mg/dL) and high TC (>240 mg/dL) within 24 h of admission is independently associated with an increased risk of SAP.

Keywords: Acute pancreatitis; Lipids; Risk factor; Severe acute pancreatitis; Total cholesterol.

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