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目的为了解Ｔ型管引流时被污染的情况，减少Ｔ型管逆行感染发生。方法对３０例胆囊结石继发胆总管结石，行胆囊切除，胆总管探查、取石、Ｔ型管引流术患者引流袋内胆汁进行术后１～１４日细菌学监测。结果引流袋内胆汁出现细菌最早１例为术后１１日，术后１４日有细菌生长共２１例，检查出细菌８种。术后１４日Ｔ型管内胆汁培养３例有细菌生长，两例与引流袋内细菌一致。结论１４天内夹管者无需更换引流袋，而较长时间置引流管者，应１０天更换较为合适
Objective To understand the T-tube drainage is contaminated, reduce the T-tube retrograde infection. Methods Thirty patients with cholecystolithiasis secondary to choledocholithiasis were treated with cholecystectomy, common bile duct exploration, stone removal and T-tube drainage. The bile was drained and the bacteriology was monitored from 1 to 14 postoperatively. Results The first case of bacteria in the drainage bag was 11 days after operation. There were 21 cases of bacterial growth on the 14th day after operation, and 8 kinds of bacteria were detected. Three cases of T-tube bile culture had bacterial growth on the 14th day after operation, and two cases were consistent with the bacteria in the drainage bag. Conclusion There is no need to replace the drainage bag for the pinch tube in 14 days, but the drainage tube should be replaced in a longer period of time, which should be replaced in 10 days