Akiko Umezawa

Laparoscopic Sleeve Gastrectomy with Duodenojejunal Bypass: Technique and Preliminary Results

Kazunori Kasama, Nobumi Tagaya, Eiji Kanehira et al. · Obesity Surgery · 2009 · 118 citations

Medicine, Surgery, General Surgery +9

Laparoscopic management of common bile duct stones: transcystic approach and choledochotomy

Hiromi Tokumura, Akiko Umezawa, Hui Cao et al. · Journal of Hepato-Biliary-Pancreatic Surgery · 2002 · 91 citations

Medicine, Radiology, Surgery +16

What are the appropriate indicators of surgical difficulty during laparoscopic cholecystectomy? Results from a Japan‐Korea‐Taiwan multinational survey

Yukio Iwashita, Tetsuji Ohyama, Goro Honda et al. · Journal of Hepato-Biliary-Pancreatic Sciences · 2016 · 68 citations · Full text

Medicine, Surgery, Gastroenterology +13

Successful Management of Refractory Staple Line Leakage at the Esophagogastric Junction After a Sleeve Gastrectomy Using the HANAROSTENT

Takashi Oshiro, Kazunori Kasama, Akiko Umezawa et al. · Obesity Surgery · 2009 · 49 citations

Medicine, Clinical Sciences, Surgery +11

Five-Year-Results of Laparoscopic Sleeve Gastrectomy with Duodenojejunal Bypass for Weight Loss and Type 2 Diabetes Mellitus

Yosuke Seki, Kazunori Kasama, Hidenori Haruta et al. · Obesity Surgery · 2016 · 49 citations

Medicine, Endocrinology, Surgery +10