Gallstones, Cholecystectomy, and Pancreatic Cancer Risk
Author Information
Author(s): Schernhammer E S, Michaud D S, Leitzmann M F, Giovannucci E, Colditz G A, Fuchs C S
Primary Institution: Brigham and Women's Hospital and Harvard Medical School
Hypothesis
Does a history of gallstones or cholecystectomy increase the risk of developing pancreatic cancer?
Conclusion
Gallstones or cholecystectomy do not appear to be significant risk factors for pancreatic cancer.
Supporting Evidence
- 349 cases of pancreatic cancer were documented during the study.
- The age-adjusted relative risk of pancreatic cancer following cholecystectomy or diagnosis of gallstones was 1.31.
- After adjusting for other risk factors, the relative risk was reduced to 1.11.
Takeaway
This study looked at whether having gallstones or getting your gallbladder removed makes you more likely to get pancreatic cancer, and it found that it doesn't really seem to be a big risk.
Methodology
The study analyzed data from the Nurses' Health Study and the Health Professionals Follow-up Study, tracking participants' health over time and documenting cases of pancreatic cancer.
Potential Biases
The study design minimized recall bias and misclassification of exposure, but there may still be residual confounding.
Limitations
The study may have limited statistical power due to the number of cases and potential residual confounding factors.
Participant Demographics
The study included 104,856 women and 48,928 men, primarily health professionals.
Statistical Information
Confidence Interval
95% CI, 0.78–1.56
Digital Object Identifier (DOI)
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