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Gastro Hep Adv. 2022 Sep 24;2(2):186-195. doi: 10.1016/j.gastha.2022.09.009. eCollection 2023.
ABSTRACT
BACKGROUND AND AIMS: Heavy alcohol consumption and genetic factors represent the 2 major etiologies of chronic pancreatitis (CP). However, little is so far known about the clinical features and genetic basis of light-to-moderate alcohol consumption-related CP (LMA-CP).
METHODS: A cross-sectional analysis was performed on 1061 Chinese CP patients between 2010 and 2015. CP was classified as classical alcoholic CP (ACP; n = 206), LMA-CP (n = 154), and idiopathic CP (ICP; n = 701). Clinical features and genetic characteristics (PRSS1, SPINK1, CTRC, CFTR variant status) were compared between the different groups. Odds ratios (ORs) with 95% confidence intervals were calculated to ascertain the combinatorial effect of alcohol consumption and gene mutation.
RESULTS: Compared with ICP, the clinical features of LMA-CP were characterized by higher rates of developing pancreatic stones, pseudocyst, diabetes, and steatorrhea, which were similar to those associated with ACP. The prevalence of CP-related gene variants in LMA-CP was 38.3%, similar to ACP (39.8%), although significantly lower than ICP (56.2%). Alcohol consumption enhanced the risk of a poor clinical outcome, whereas genetic factors amplified alcohol’s effects. Compared with ICP, LMA-CP and ACP were associated with a high risk of pancreatic stones (patients without variants, OR = 2.01 and 2.54; patients with variants, OR = 2.17 and 1.07), pseudocyst (patients without variants, OR = 1.03 and 1.43; patients with variants, OR = 1.67 and 2.14), diabetes mellitus (patients without variants, OR = 0.86 and 1.31; patients with variants, OR = 2.05 and 1.55), and steatorrhea (patients without variants, OR = 1.56 and 2.10; patients with variants, OR = 2.11 and 1.60).
CONCLUSION: Evidence was presented to show that LMA-CP was clinically and genetically similar to ACP but significantly different from ICP. Our findings provide support to the growing view that there is no safe level of alcohol consumption.
PMID:39132611 | PMC:PMC11308850 | DOI:10.1016/j.gastha.2022.09.009
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