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About

Hiroyasu Nagashima is a pioneering figure in the advancement of intraoperative imaging and robotic-assisted surgery, with a primary focus on neurosurgery and vascular surgery. His most impactful work centers on the integration of high-end digital subtraction angiography (DSA) systems within the hybrid operating room (OR), a concept that has reshaped modern surgical workflows. His landmark 2011 paper, "Robotic Digital Subtraction Angiography Systems Within the Hybrid Operating Room," with 74 citations, details the first clinical experiences with a robotic DSA system, establishing a new paradigm for real-time, high-resolution imaging during complex procedures. More recently, Nagashima has contributed to the precision of spinal surgery, demonstrating in a 2023 study that intraoperative cone-beam CT (CBCT) assessments of pedicle screw placement are in full agreement with postoperative CT evaluations. This work validates the use of robotic C-arm systems for immediate, reliable feedback, reducing the need for secondary procedures. By bridging the gap between diagnostic imaging and surgical intervention, Nagashima’s research has significantly enhanced patient safety and procedural efficiency, marking him as a key innovator in the hybrid OR environment.