Non-operative treatment of retained bile duct calculi in patients with an indwelling T tube

Abstract
The results of combined instrumental and chemical treatment of retained bile duct calculi in 18 patients with an indwelling T tube are reported. The instrumental extraction of stones was carried out through the T tube channel using a modified Dormia apparatus. The chemical method involved continuous infusion through the T tube of heparin in saline alternating with sodium cholate. The treatment was successful in 16 of 18 patients with from 1 to 14 residual stones. The instrumental extraction of stones in recommended as the treatment of choice 5-6 weeks after choledochotomy in patients with residual stones and an indwelling T tube. Subsequent chemical treatment is recommended if remnants of stones are left in the bile duct after instrumental treatment.

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