Youngsun Yoo

  • Citations Per Year
Learn More
BACKGROUND Light amplification by stimulated emission of radiation (LASER) diode irradiation (LDI) has some beneficial effects on the wound healing. However, little is known about the biochemical effect of LDI on wound healing. We have performed animal study to clarify the effect of LDI on wound healing based on microscopic findings. METHODS(More)
INTRODUCTION Synchronous double cancers of the bile duct are exceptionally rare. We here report a case of synchronous squamous cell carcinoma and adenocarcinoma of the extrahepatic bile duct. CASE PRESENTATION A 67-year-old Asian man visited our clinic complaining of jaundice and dark urine. Direct hyperbilirubinemia and an elevated cancer antigen 19-9(More)
This paper presents the dynamic analysis and kinematic parameter optimization of a coupled linkage system for the purpose of employing the system in construction industry. So far, the kinematic optimization of wheel loaders was approached heuristically rather than utilizing elaborate theoretical examinations due to the complexity of coupled linkage(More)
PURPOSE Trauma team activation (TTA) has been shown to have fundamental impact on trauma patients' outcomes. The purpose of this study was to evaluate the short-term outcomes of use of a new TTA protocol in the management of major trauma patients who underwent exploratory laparotomy. METHODS The medical records of trauma patients who had been treated by(More)
PURPOSE Laparoscopic subtotal cholecystectomy (LSC) can be an alternative surgical technique for difficult cholecystectomies. Surgeons performing LSC sometimes leave the posterior wall of the gallbladder (GB) to shorten the operation time and avoid liver injury. However, leaving the inflamed posterior GB wall is a major concern. In this study, we evaluated(More)
  • 1