• Jae Min Lee, Sang Hyub Lee, Young Hoon Choi, Sung Yong Han, Jung Hyun Jo, Jung Wan Choe, Eui Joo Kim, Dong Kee Jang, and Min Kyu Jung.
• Department of Internal Medicine, Gyeongsang National University Changwon Hospital, Gyeongsang National University College of Medicine, Changwon, Korea.
• Medicine (Baltimore). 2024 Nov 29; 103 (48): e40737e40737.

AbstractThe association between pancreatic exocrine insufficiency (PEI) and morphologic findings in chronic pancreatitis has not yet been fully studied. Thus, the aim of this study was to investigate the correlation between PEI severity and computed tomography (CT)-based morphological severity in patients with chronic pancreatitis. This nationwide survey included 180 Korean participants with chronic pancreatitis aged 18 years or older between January 2018 and December 2021. PEI severity was measured by the PEI questionnaire (PEI-Q). Morphological severity was measured using a CT-based scoring system, which included pancreatic duct caliber, pancreatic duct stricture or intraductal obstructing calculus, pancreatic atrophy, and pancreatic calcification. In addition, 35 patients who received pancreatic enzyme replacement therapy (PERT) were evaluated by PEI-Q to determine whether PEI improved after PERT. PEI severity was normal (n = 89), mild (n = 69), moderate (n = 14), or severe (n = 8). Severities of pancreatic duct caliber and pancreatic duct stricture or intraductal obstructing calculus had small but significant associations with PEI severity (Cramer V = 0.121 and 0.141, respectively). Severities of pancreatic atrophy and pancreatic calcification were not significantly associated with PEI severity. PEI severity showed a significant improvement after PERT (P < .001). In conclusion, PEI severity had significant associations with CT-based morphological severities, including severities of pancreatic duct caliber and pancreatic duct stricture or intraductal obstructing calculus. In addition, PEI-Q could be a useful indicator for evaluating the therapeutic effect of PERT in clinical practice.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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