Journal
HPB
Volume 13, Issue 2, Pages 117-125Publisher
ELSEVIER SCI LTD
DOI: 10.1111/j.1477-2574.2010.00255.x
Keywords
gallstone; gallbladder cancer; epidemiology; India
Categories
Funding
- International Institute of Population Studies, Mumbai under the Ministry of Health, Government of India
- Sir Ratan Tata Trust Mumbai
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Background: A high prevalence of gallbladder diseases (GBD) in Northern India warranted a population survey into environmental risk factors. Methods: In 60 villages of Uttar Pradesh and Bihar from 13 334 households, 22 861 persons aged >30 years were interviewed for symptoms of GBD, diet and environmental factors. Subsequently ultrasonography (US) was performed in 5100 and 1448 people with and without symptoms, respectively. Heavy metal and pesticide content in soil and water were estimated. Results: US revealed a prevalence of GBD of 6.20%. GBD was more common in 5100 persons with symptoms (7.12%) compared with 1448 without (2.99%) (P < 0.05). Adjusted odds ratio (ORs) [95% confidence interval (CI)] revealed a significantly increased risk of GBD in females >50, 1.703 (CI 1.292-2.245); multiparity 1.862 (CI 1.306-2.655) and a genetic history 1.564 (CI 1.049-2.334). An increased risk noted in males with diabetes was 4.271 (CI 2.130-8.566), chickpea consumption 2.546 (CI 1.563-4.146) and drinking unsafe water 3.835 (CI 2.368-6.209). Prevalence of gallstones was 4.15%; more in females 5.59% than males 1.99% (P < 0.05). Cluster analysis identified a positive correlation of nickel, cadmium and chromium in water with a high prevalence of GBD in adjacent villages in Vaishali district, Bihar. Conclusion: A high risk of GBD was observed in older, multiparous women and men with diabetes, intake of chickpeas, unsafe water and villages with heavy metal water pollution.
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