Tatsuya Ihara

Papers

Total Citations

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About

Tatsuya Ihara is a pioneering robotic surgeon whose work centers on advancing minimally invasive urologic oncology, particularly through the refinement of robot-assisted partial nephrectomy (RAPN). His major contribution lies in systematically evaluating the feasibility and necessity of the fourth arm of the da Vinci Si surgical system for kidney-sparing surgery, a technical innovation that enhances instrument triangulation and retraction during complex tumor resections. In his landmark 2020 study, Ihara analyzed 58 consecutive RAPN cases, demonstrating that the fourth arm significantly improved surgical efficiency and reduced reliance on assistant-held instruments. While his citation count remains modest—reflecting the niche, technique-focused nature of his work—his findings have practical implications for operating room setup and training in robotic urology. By providing objective evidence on when the fourth arm is truly beneficial versus superfluous, Ihara helps surgeons optimize resource allocation and streamline procedural workflows. His research bridges the gap between surgical technology and clinical practice, offering actionable insights for both novice and experienced robotic surgeons aiming to improve outcomes in nephron-sparing surgery.