Papers
5
Total Citations
31
H-Index
3
About
Hiraku Kumamaru is a leading figure in the advancement of minimally invasive surgical techniques, with a particular focus on robotic-assisted procedures. His research centers on evaluating the real-world outcomes of robotic surgery across multiple disciplines, including esophagectomy, cardiac surgery, and pancreaticoduodenectomy. Kumamaru’s major contributions include providing rigorous, large-scale evidence through nationwide database analyses, such as his propensity score-matched study comparing robot-assisted versus conventional minimally invasive esophagectomy, which has already garnered 10 citations. He has also been instrumental in documenting the adoption of robotic mitral valve repair under Japan’s universal health coverage, highlighting both the successes and disparities in surgical access. His work on colorectal cancer surgery has further revealed regional and patient characteristic disparities in outcomes, underscoring his commitment to equitable healthcare. With several recent high-impact publications and a role in the annual report by the Japanese Society of Minimally Invasive Cardiac Surgery, Kumamaru is shaping the future of surgical innovation and evidence-based practice in Japan and beyond.
Research Focus
Key Achievements
Top Papers
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- 5Robotic Versus Open and Laparoscopic Pancreaticoduodenectomy3 citations · 2025