The overall median survival of nonresectable malignant hilar obstruction in most series has been less than 6 months. Most patients with malignant hilar obstruction present with advanced disease, making allative endoscopic drainage the principal therapeutic option. However, the optimal endoscopic management strategy is contentious. In malignant hilar obstruction, exclusively endoscopic placement of bilateral metal stents has been considered very difficult and complex, and it may require multiple procedures, with an increased risk of complications and mortality. To overcome this difficulty and strategize plan of management, the investigators evaluated the technical and clinical efficacy of endoscopic bilateral placement of newly designed stents, Y-configuration, followed by side-by-side insertion in failure of stent-in-stent method for the management of malignant hilar obstruction.
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Technical success
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