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Pancreas. 2010 Nov;39(8):1205-10. doi: 10.1097/MPA.0b013e3181df27c0.

Smoking as a cofactor for causation of chronic pancreatitis: a meta-analysis.

Author information

  • 1Division of Gastroenterology, Casa Sollievo Sofferenza Hospital, IRCCS, San Giovanni Rotondo, Italy. a.andriulli@operapadrepio.it

Abstract

OBJECTIVES:

To assess the evidence for tobacco smoking as a risk factor for the causation of chronic pancreatitis.

METHODS:

We performed a meta-analysis with random-effects models to estimate pooled relative risks (RRs) of chronic pancreatitis for current, former, and ever smokers, in comparison to never smokers. We also performed dose-response, heterogeneity, publication bias, and sensitivity analyses.

RESULTS:

Ten case-control studies and 2 cohort studies that evaluated, overall, 1705 patients with chronic pancreatitis satisfied the inclusion criteria. When contrasted to never smokers, the pooled risk estimates for current smokers was 2.8 (95% confidence interval [CI], 1.8-4.2) overall and 2.5 (95% CI, 1.3-4.6) when data were adjusted for alcohol consumption. A dose-response effect of tobacco use on the risk was ascertained: the RR for subjects smoking less than 1 pack per day was 2.4 (95% CI, 0.9-6.6) and increased to 3.3 (95% CI, 1.4-7.9) in those smoking 1 or more packs per day. The risk diminished significantly after smoking cessation, as the RR estimate for former smokers dropped to a value of 1.4 (95% CI, 1.1-1.9).

CONCLUSIONS:

Tobacco smoking may enhance the risk of developing chronic pancreatitis. Recommendation for smoking cessation, besides alcohol abstinence, should be incorporated in the management of patients with chronic pancreatitis.

PMID:
20622705
DOI:
10.1097/MPA.0b013e3181df27c0
[PubMed - indexed for MEDLINE]
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