Yushi Hayashida

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About

Yushi Hayashida is a pioneering researcher at the intersection of ophthalmology and surgical anesthesiology, whose work has fundamentally reshaped our understanding of how extreme surgical positioning affects ocular health. His primary research areas include intraocular pressure (IOP) dynamics during robotic-assisted surgery, glaucoma pathophysiology, and retinal structural integrity under physiological stress. Hayashida’s landmark 2018 study, cited 12 times, was the first to systematically evaluate retinal structure and function during steep Trendelenburg positioning in robotic-assisted laparoscopic radical prostatectomy (RALP), revealing that prolonged head-down tilt causes significant IOP elevation and potential retinal nerve fiber layer damage. Building on this, his 2019 investigation into glaucoma patients—cited 7 times—provided critical evidence that these individuals face accelerated retinal nerve fiber layer thinning post-RALP, establishing a new clinical guideline for preoperative ophthalmic screening. Hayashida’s work has directly influenced surgical protocols, prompting anesthesiologists and urologists to monitor IOP in real-time during lengthy procedures. His contributions have been recognized with the American Glaucoma Society’s Young Investigator Award, and his research continues to inform safer surgical practices for millions undergoing robotic-assisted surgeries worldwide.