Institute of Science Tokyo · Graduate School of Medical and Dental Sciences

Research keywordsanterior cruciate ligament reconstruction・infrapatellar fat pad fibrosis・pivot-shift phenomenon・ramp lesions・medial meniscus repair・high tibial osteotomy

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• Ryu Yoshida, Hideyuki Koga, Tomomasa Nakamura, Nobutake Ozeki, Mai Katakura, Masaki Amemiya, Takashi Hoshino, Aritoshi Yoshihara, Toyohiro Katsumata, Yasumasa Tokumoto, Ichiro Sekiya, Yusuke Nakagawa. Infrapatellar fat pad fibrosis after anterior cruciate ligament reconstruction is associated with male sex, high body mass index, prolonged operation time and articular cartilage damage, with detrimental effects on one-year clinical outcomes. J Exp Orthop. 2025.07; 12 (3): e70365. ( PubMed , DOI )2025
• Shoichi Hasegawa, Hideyuki Koga, Tomomasa Nakamura, Yusuke Nakagawa, Takashi Hoshino, Mai Katakura, Masaki Amemiya, Aritoshi Yoshihara, Yasumasa Tokumoto, Ichiro Sekiya, Nobutake Ozeki. Preoperative Moderate Pivot-Shift Phenomenon: A Risk Factor for Ramp Lesions in Patients Undergoing Anterior Cruciate Ligament Reconstruction? Orthop J Sports Med. 2025.06; 13 (6): 23259671251341586. ( PubMed , DOI )2025
• Yasumasa Tokumoto, Yusuke Nakagawa, Tomomasa Nakamura, Nobutake Ozeki, Takashi Hoshino, Ichiro Sekiya, Hideyuki Koga. Combined Medial Meniscus Repair, Centralization, and High Tibial Osteotomy Are Associated With Improved Clinical, Radiological, and Arthroscopic Outcomes in Patients With Posterior Root Tears and Varus Alignment. Arthroscopy. 2025.07; 41 (12): 5217-5226. ( PubMed , DOI )2025
• Ryu Yoshida, Hideyuki Koga, Tomomasa Nakamura, Yusuke Nakagawa, Mai Katakura, Masaki Amemiya, Takashi Hoshino, Aritoshi Yoshihara, Shoichi Hasegawa, Yasumasa Tokumoto, Ichiro Sekiya, Nobutake Ozeki. Steep medial posterior tibial slope angle and ramp lesion are independent risk factors for an increase in quantitatively measured pivot shift in patients with ACL-deficient knees. J Exp Orthop. 2024.07; 11 (3): e70011.2024

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