Akira Umemura

A novel model for prediction of pure laparoscopic liver resection surgical difficulty

Yasushi Hasegawa, Go Wakabayashi, Hiroyuki Nitta et al. · Surgical Endoscopy · 2017 · 153 citations

Laparoscopy, Hepatology, Computer-assisted Surgery +6

The First Comparative Study of the Perioperative Outcomes Between Pure Laparoscopic Donor Hepatectomy and Laparoscopy-Assisted Donor Hepatectomy in a Single Institution

Takeshi Takahara, Go Wakabayashi, Hiroyuki Nitta et al. · Transplantation · 2017 · 67 citations

Effects of changes in adipocyte hormones and visceral adipose tissue and the reduction of obesity-related comorbidities after laparoscopic sleeve gastrectomy in Japanese patients with severe obesity

Akira Umemura, Akira Sasaki, Hiroyuki Nitta et al. · Endocrine Journal · 2014 · 32 citations · Full text

Bariatric Surgery, Visceral Adipose Tissue, Sleeve Gastrectomy +26

Pancreas volume reduction and metabolic effects in Japanese patients with severe obesity following laparoscopic sleeve gastrectomy

Akira Umemura, Akira Sasaki, Hiroyuki Nitta et al. · Endocrine Journal · 2017 · 27 citations · Full text

Effects of Laparoscopic Sleeve Gastrectomy on Non-Alcoholic Steatohepatitis and Liver Fibrosis in Japanese Patients with Severe Obesity

Haruka Nikai, Kazuyuki Ishida, Akira Umemura et al. · Obesity Surgery · 2020 · 24 citations

Obesity, Metabolic Syndrome, Bariatric Surgery +14