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About

Dr. Junya Hata is a leading urological surgeon whose research focuses on improving functional outcomes after robot-assisted radical prostatectomy (RARP) for prostate cancer. His work centers on two key areas: optimizing surgical techniques to accelerate urinary continence recovery and understanding the pathophysiology of benign prostatic enlargement. Dr. Hata pioneered a novel three-layer two-step posterior reconstruction technique using peritoneum during RARP, demonstrating significant improvements in early continence recovery. His prospective studies, collectively cited over 160 times, have established critical insights into how postoperative incontinence affects patients' quality of life, particularly regarding nocturia and pad dependency. Notably, his research revealed that the timing of urinary pad exchanges is the most important factor affecting early postoperative quality of life—a finding that directly informs patient counseling. Dr. Hata has also made important contributions to understanding benign prostatic hyperplasia, showing that local atherosclerosis of the prostatic artery may drive chronic inflammation and prostatic enlargement. His comprehensive approach to post-prostatectomy incontinence, combining meticulous surgical technique with patient-reported outcome measures, has helped establish evidence-based protocols that improve recovery for men undergoing robotic prostate surgery worldwide.