A survey on the proportion of gallstone in 13,301 people who live in Thai Binh province. The incidence of common stone include gall-bladder stone, bile-duct stone and gall-bladder and bile-duct stone in which 1.9% in rural area and 3.4% in urban area. The proportion of gall-bladder stone in urban area is 3.16%, two times higher than its proportion in rural area: 1.42% (p< 0.001). Some risk factors of gallstone are elderly, male, low education, high body mass index and other jobs except farmers.
Gallstones ; Risk Factors ; Epidemiology

Study on 287 gallstone patients who had surgical gallstone operation at Thai Binh general hospital during two years from January 2003 to December 2004. The results showed that: among 287 experimental samples of biliary fluid tested, there were 282 samples with bacteria (98.3%). The bacteria belongs to intestinal family were the most common, especially E.coli with the rate of 50.3%, streptococcus type D: 18.6%. These bacteria were sensitive to antibiotics such as cephalosporin 3rd generation, ciprofloxacin, gentamycine, amikacine; less sensitive to ampicilline, cloramfenicol, and cephalotin. P.aeruginosa was sensitive to ciprofloxacin, gentamycine, amikacine.
Gallstones ; Bacteria, Aerobic ; Anti-Bacterial Agents