The reconstruction of bile duct lesions by a venous interponate in combination with a bio-degradable stent is easy to perform and represents a clinically interesting alternative to the biliodigestive anastomosis because of the preservation of the sphincter oddi. After 6 months the stent is completely absorbed and the venous interponate is laminated with bile duct epithelium.
The postprandial contraction of the CBD can be reversed within a short time by i.v. administration of hymecromone. Sonography proved a suitable tool for examining the physiological changes.
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