Results The cases of positive gallbladder mucosa and choledochus bile were 13 (27.1%) and 31(64.6%) respectively.The cases of double positivity were 12 (25.0%).

• 结果48例患者中胆总管胆汁需氧菌培养阳性31例(64.；6%25)，胆囊黏膜需氧菌培养阳性13例(27