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About

Dr. Kazunari Ishida is a leading orthopedic surgeon and researcher whose work focuses on the precision and outcomes of robotic-arm assisted and computer-navigated total hip and knee arthroplasty. His major contributions center on demonstrating the superior accuracy of robotic systems in implant placement, particularly in complex cases like developmental dysplasia of the hip (DDH). His 2021 study on robotic-arm assisted THA for DDH (34 citations) established that this technology can achieve precise cup positioning even in challenging anatomies. Dr. Ishida has also critically compared robotic and navigated techniques, showing that robotic arm-assisted THA leads to better early postoperative recovery (28 citations) and that surgical approach and pelvic tilt are key factors affecting cup accuracy (28 citations). Extending his work to the knee, he has investigated how handheld robotics improve prosthetic orientation and soft tissue balance in total knee arthroplasty (16 citations), and demonstrated that robotic-arm assisted TKA reduces tibial bone resection without increasing flexion contracture. Dr. Ishida’s research is instrumental in advancing the evidence base for robotic-assisted joint replacement, helping surgeons optimize implant longevity and patient function.