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Quantitative assessment of mesenchymal stem cells contained in concentrated autologous bone marrow aspirate transplantation for the treatment of osteonecrosis of the femoral head: predictive factors and differences by etiology

ObjectiveWe previously established concentrated autologous bone marrow aspirate transplantation as a one-step, lowly invasive, joint-preserving surgical technique for treating osteonecrosis of the femoral head. The objectives of this study were to identify factors that may predict the mesenchymal stem cell (MSC) count in bone marrow aspirate, concentrated using our method, and to...

Subacute Urinary Retention due to a Subpubic Cartilaginous Cyst Treated with Surgical Resection and Internal Fixation: A Case Report and Review of the Literature

Hisashi Sugaya,1,2 Tomofumi Nishino,1 Hajime Mishima,1 Naoyuki Ochiai,1 and Masashi Yamazaki1 1Department of Orthopaedics Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba

Comparative Analysis of Cellular and Growth Factor Composition in Bone Marrow Aspirate Concentrate and Platelet-Rich Plasma

to Hisashi Sugaya; pj.iekies-abukust@5021.ayagus.h Received 13 October 2017; Revised 18 January 2018; Accepted 29 January 2018; Published 25 February 2018 Academic Editor: Luis F. Porrata Copyright ... © 2018 Hisashi Sugaya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium

Knee-Extension Training with a Single-Joint Hybrid Assistive Limb during the Early Postoperative Period after Total Knee Arthroplasty in a Patient with Osteoarthritis

associated (Tomokazu Yoshioka, Hisashi Sugaya, Shigeki Kubota, Mio Onishi, Akihiro Kanamori, and Masashi Yamazaki). References K. Y. Chiu, T. P. Ng, W. M. Tang, and W. P. Yau, “Review article: knee ... Sugaya,1,2 Shigeki Kubota,1,2 Mio Onishi,2 Akihiro Kanamori,2 Yoshiyuki Sankai,3 and Masashi Yamazaki2 1Division of Regenerative Medicine for Musculoskeletal System, Faculty of Medicine, University of

Three-Dimensional Analysis of the Contact Pattern between the Cortical Bone and Femoral Prosthesis after Cementless Total Hip Arthroplasty

The cementless stem Excia (B. Braun, Melsungen, Germany) implant has a rectangular cross-sectional shape with back-and-forth flanges and a plasma-sprayed, dicalcium phosphate dihydrate coating from the middle to proximal portion to increase initial fixation and early bone formation. Here, the conformity of the Excia stem to the femoral canal morphology was three-dimensionally...