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Chinese Journal of Digestion and Medical Imageology(Electronic Edition) ›› 2025, Vol. 15 ›› Issue (02): 101-106. doi: 10.3877/cma.j.issn.2095-2015.2025.02.002

• Original Articles • Previous Articles    

Effect of smoking on clinical characteristics of patients with idiopathic chronic pancreatitis

Fan Wang1, Yu Liu1,2, Yili Cai1,3, Di Zhang1, Dan Wang1, Lianghao Hu1, Zhaoshen Li1,()   

  1. 1. Department of Gastroenterology,First Affiliated Hospital of Naval Medical University,Shanghai 200433,China
    2. Department of Gastroenterology,General Hospital of Eastern Theater of the Chinese People's Liberation Army,Nanjing 210002,China
    3. Department of Gastroenterology,Naval Medical Center Navy Medical University,Shanghai 200052,China
  • Received:2025-02-09 Online:2025-04-01 Published:2025-04-22
  • Contact: Zhaoshen Li

Abstract:

Objective

To analyze the clinical characteristics and course differences between smokers and non-smokers in patients with idiopathic chronic pancreatitis,in order to clarify the impact of smoking on the clinical characteristics of patients with idiopathic chronic pancreatitis.

Methods

Prospective clinical data were collected from 966 patients with idiopathic chronic pancreatitis admitted to the Department of Gastroenterology at the First Affiliated Hospital of Naval Medical University from January 2010 to December 2013. Patients were divided into a smoking group and a non-smoking group based on their smoking history,and their clinical characteristics were compared between the two groups.Kaplan-Meier method was used to calculate the cumulative incidence of steatorrhea,diabetes,pancreatic pseudocysts,pancreatic stones and biliary stricture after the onset of idiopathic chronic pancreatitis.

Results

Among 966 patients with idiopathic chronic pancreatitis,274 were smokers and 692 were non-smokers. The clinical characteristics of smokers are significantly different from non-smokers,with significant differences in the age of onset,age of diagnosis,adolescent onset,main pancreatic duct morphology,pain type,successful drainage of the pancreatic duct,treatment methods,pancreatic duct stones,and pancreatic pseudocysts (all P<0.05). The incidence of pancreatic duct stones (P=0.002) and pancreatic pseudocysts (P<0.001) in the smoking group was significantly higher than that in the non-smoking group.

Conclusion

There is a significant difference in the clinical characteristics of patients with idiopathic chronic pancreatitis between the smoking group and the non-smoking group. The smoking group has a higher incidence of complications related to chronic pancreatitis and accelerates the occurrence of pancreatic pseudocysts. Therefore,smoking may have a significant impact on the clinical characteristics of patients with idiopathic chronic pancreatitis.

Key words: Idiopathic chronic pancreatitis, Smoking, Clinical characteristics, Course of disease

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