When compared with bilateral biliary drainage, unilateral biliary drainage is associated with a lower incidence of liver abscess as well as a comparable outcome of stent patency time and complication-free survival. We therefore propose that hilar biliary obstruction can be treated first by unilateral drainage with a metallic stent and by bilateral drainage only in patients who develop cholangitis in the contralateral biliary tree.
Bench-top testing showed that suction force increases with a larger gauge needle and larger aspiration volume. The slow pull method produces a very weak suction force. The time to reach the maximum negative pressure was longest in the 25-gauge needle.
Endoscopic papillectomy is therefore considered to be an effective treatment for patients with a benign-malignant borderline lesion of the major duodenal papilla. This method also has an important clinical impact because it provides an accurate diagnosis, aids in the selection of an appropriate treatment strategy, and reduces unnecessary surgery.
We report the successful retrieval of an impacted mechanical lithotripsy basket. In a patient with two large common bile duct stones, the basket with the entrapped stone was impacted within the mid-common bile duct. We then attempted to use another mechanical lithotripter; however the central wire of the basket fractured at the handle portion. Grasping a few wires of the impacted basket with rat-tooth forceps allowed the wires of the basket to slip away from the stone. The present report describes the safe and effective use of rat-tooth forceps in the management of an impacted lithotripter basket.
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