Masaichi Ohira
Papers
2
Total Citations
55
H-Index
2
About
Masaichi Ohira is a surgeon-researcher at the forefront of minimally invasive oncology, specializing in robotic and laparoscopic surgery for gastrointestinal and rectal cancers. His most impactful work is a landmark 2018 meta-analysis comparing robot-assisted surgery (RAS) versus conventional laparoscopic surgery (LAS) for rectal cancer, which has accumulated 53 citations. This study systematically evaluated short- and long-term outcomes, providing critical evidence that has helped guide surgical decision-making in colorectal oncology. Ohira’s contributions extend beyond comparative effectiveness; he has also documented rare, life-threatening complications in the perioperative setting. In a 2022 case report, he described the first known instance of acquired hemophilia A following robot-assisted laparoscopic gastrectomy for gastric cancer—a condition triggered by surgery that led to severe coagulation abnormalities and persistent bleeding. This work underscores his commitment to patient safety and the nuanced risks of advanced surgical technologies. Through his research, Ohira bridges the gap between surgical innovation and clinical vigilance, offering valuable insights for surgeons navigating the complexities of robotic procedures.
Research Focus
Key Achievements
Top Papers
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