Is bismuth classification associated with the requirement for multiple biliary drainage in preoperative patients with malignant perihilar biliary stricture?
Patients with Bismuth-II, Bismuth-IIIa, and Bismuth-IV are at higher risk for multiple biliary drainage. A strategy based on the Bismuth classification for performing preoperative biliary drainage is important for patients with malignant perihilar biliary stricture.
This study demonstrated that sleep deprivation among Korean adolescents was associated with bicycle accidents and falls at home and school. Thus, adequate sleep may be needed to prevent accidents and falls.