Basket-in-catheter access for transcystic laparoscopic bile duct exploration: technique and results

Abstract

Background

When common bile duct (CBD) stones are detected during laparoscopic cholecystectomy, the insertion of baskets via the cystic duct (CD) can be difficult and may occasionally cause complications. We introduced a new technique 'basket in catheter' (BIC) for transcystic CBD exploration.

Methods

Although cannulating the CD using a cholangiography catheter is successful in most cases, it may occasionally be difficult. Cystic duct anatomy may prevent the usually stiffer sharper tip of the basket, from entering the CBD, resulting in failure, perforation or a false passage. In the majority of our cases, the cholangiography catheter (CC) is not withdrawn from the duct should the intraoperative cholangiography show CBD stones. The tip of a basket is inserted into the CC and advanced to a predetermined distance, allowing the tip of the basket to exit the end of the CC into the CBD. The basket is then opened, advanced to feel the lower end and manipulated to trap the stone. The common hepatic duct is compressed gently to prevent stones from slipping upwards. The catheter and basket are pulled back together to extract the stone.

Results

We have used this technique in 274 cases since 2010. The rate of transcystic versus choledochotomy stone extraction has increased, saving unnecessary choledochotomies. The percentage of transcystic exploration increased from 55 % for the period 2005–2009 to 70 % for the period 2010–2014. There were no conversions to open surgery and no retained stones. The morbidity rate was 4.0 % with no mortality.

Conclusions

We demonstrate a technique to facilitate the insertion of extraction baskets into the common bile duct using the cholangiography catheter as a guide. The 'basket-in-catheter' (BIC) technique for transcystic CBD exploration is easier and safer than inserting the basket alone.

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