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H. Koga · SciRah

Researcher profile · Semantic Scholar

H. Koga

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H. Koga — researcher profile on SciRah

h-index: 50
Works: 307
Citations: 11K

Most-cited papers

Degenerative Meniscus in Knee Osteoarthritis: From Pathology to Treatment
N. Ozeki, H. Koga, I. Sekiya
2022Life132 citations Open access
Semantic Scholar
Arthroscopic Centralization Using Knotless Anchors for Extruded Medial Meniscus
H. Koga, Tomomasa Nakamura, Y. Nakagawa, N. Ozeki +5 more
2021Arthroscopy Techniques48 citations Open access
Semantic Scholar
Alterations in cartilage quantification before and after injections of mesenchymal stem cells into osteoarthritic knees
I. Sekiya, H. Katano, M. Mizuno, H. Koga +3 more
2021Scientific Reports37 citations Open access
Semantic Scholar
Biomechanical analysis of a centralization procedure for extruded lateral meniscus after meniscectomy in porcine knee joints
Y. Kohno, H. Koga, N. Ozeki, J. Matsuda +3 more
2021Journal of Orthopaedic Research37 citations Open access
Semantic Scholar
Extracellular vesicles derived from mesenchymal stromal cells mediate endogenous cell growth and migration via the CXCL5 and CXCL6/CXCR2 axes and repair menisci
Kazumasa Kawata, H. Koga, K. Tsuji, K. Miyatake +4 more
2021Stem cell research & therapeutics34 citations Open access
Semantic Scholar
Cell membrane fluidity and ROS resistance define DMSO tolerance of cryopreserved synovial MSCs and HUVECs
M. Mizuno, Takahisa Matsuzaki, N. Ozeki, H. Katano +4 more
2022Stem cell research & therapeutics33 citations Open access
Semantic Scholar
Association of AI-determined Kellgren–Lawrence grade with medial meniscus extrusion and cartilage thickness by AI-based 3D MRI analysis in early knee osteoarthritis
I. Sekiya, H. Katano, A. Guermazi, Yugo Miura +6 more
2023Scientific Reports32 citations Open access
Semantic Scholar
Single-leg hop can result in higher limb symmetry index than isokinetic strength and single-leg vertical jump following anterior cruciate ligament reconstruction.
Shunsuke Ohji, Junya Aizawa, K. Hirohata, Takehiro Ohmi +3 more
2021Knee (Oxford)31 citations
Semantic Scholar
A propensity score-matched comparison between Mako robotic arm-assisted system and conventional technique in total hip arthroplasty for patients with osteoarthritis secondary to developmental dysplasia of the hip
Kei Sato, A. Sato, N. Okuda, Matsubara Masaaki +1 more
2022Archives of Orthopaedic and Trauma Surgery29 citations
Semantic Scholar
Athletic identity and sport commitment in athletes after anterior cruciate ligament reconstruction who have returned to sports at their pre-injury level of competition
Shunsuke Ohji, Junya Aizawa, K. Hirohata, S. Mitomo +4 more
2021BMC Sports Science, Medicine and Rehabilitation29 citations Open access
Semantic Scholar
Lateral–medial asymmetry of posterior tibial slope and small lateral tibial plateau articular surface depth are morphological factors of lateral meniscus posterior root tears in ACL-injured patients
A. Yoshihara, R. Siboni, Y. Nakagawa, C. Mouton +5 more
2023Knee Surgery, Sports Traumatology, Arthroscopy27 citations
Semantic Scholar
Difference in the joint space of the medial knee compartment between full extension and Rosenberg weight-bearing radiographs
Yugo Miura, N. Ozeki, H. Katano, Hayato Aoki +5 more
2021European Radiology27 citations Open access
Semantic Scholar
Medial Tibial Osteophyte Width Strongly Reflects Medial Meniscus Extrusion Distance and Medial Joint Space Width Moderately Reflects Cartilage Thickness in Knee Radiographs
I. Sekiya, Sho Sasaki, Yugo Miura, Hayato Aoki +6 more
2022Journal of Magnetic Resonance Imaging26 citations Open access
Semantic Scholar
Second-look arthroscopy after meniscus repair and synovial mesenchymal stem cell transplantation to treat degenerative flaps and radial tears of the medial meniscus: A case report.
I. Sekiya, H. Koga, H. Katano, M. Mizuno +3 more
2021Journal of Orthopaedic Science24 citations Open access
Semantic Scholar
CD34+THY1+ synovial fibroblast subset in arthritic joints has high osteoblastic and chondrogenic potentials in vitro
S. Noda, T. Hosoya, Y. Komiya, Yasuhiro Tagawa +9 more
2021Arthritis Research & Therapy23 citations Open access
Semantic Scholar
Cross-sectional study on relationships between physical function and psychological readiness to return to sport after anterior cruciate ligament reconstruction
Junya Aizawa, K. Hirohata, Shunsuke Ohji, Takehiro Ohmi +3 more
2022BMC Sports Science, Medicine and Rehabilitation22 citations Open access
Semantic Scholar
Association between landing biomechanics, knee pain, and kinesiophobia in athletes following anterior cruciate ligament reconstruction: A cross‐sectional study
Shunsuke Ohji, Junya Aizawa, K. Hirohata, Takehiro Ohmi +3 more
2022PM & R : the journal of injury, function, and rehabilitation20 citations
Semantic Scholar
Injury-related fear in athletes returning to sports after anterior cruciate ligament reconstruction - A quantitative content analysis of an open-ended questionnaire
Shunsuke Ohji, Junya Aizawa, K. Hirohata, Takehiro Ohmi +3 more
2021Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology20 citations Open access
Semantic Scholar
Interscan measurement error of knee cartilage thickness and projected cartilage area ratio at 9 regions and 45 subregions by fully automatic three-dimensional MRI analysis.
I. Sekiya, Y. Kohno, A. Hyodo, H. Katano +6 more
2021European Journal of Radiology20 citations Open access
Semantic Scholar
The psychological readiness to return to sports of patients with anterior cruciate ligament reconstruction preoperatively and 6 months postoperatively.
Shunsuke Ohji, Junya Aizawa, K. Hirohata, Takehiro Ohmi +3 more
2021Physical Therapy in Sport19 citations
Semantic Scholar
Does practice of meniscus surgery change over time? A report of the 2021 ‘THE MENISCUS’ Webinar
C. Jacquet, C. Mouton, R. Becker, H. Koga +4 more
2021Journal of Experimental Orthopaedics18 citations Open access
Semantic Scholar
Association of Infrapatellar Fat Pad Fibrosis at 3 Months After ACL Reconstruction With Short-term Clinical Outcomes and Inflammatory Cytokine Levels in the Synovial Fluid
Y. Nakagawa, K. Tsuji, Tomomasa Nakamura, H. Katagiri +6 more
2023Orthopaedic Journal of Sports Medicine17 citations Open access
Semantic Scholar
Transplantation of human autologous synovial mesenchymal stem cells with trisomy 7 into the knee joint and 5 years of follow‐up
M. Mizuno, Kentaro Endo, H. Katano, Naoki Amano +8 more
2021Stem Cells Translational Medicine17 citations Open access
Semantic Scholar
Assessment of return to sport and functional outcomes following distal femoral, double level and high tibial osteotomies for active patients with symptomatic varus malalignment
Jae-Sung An, A. Mabrouk, R. Khakha, K. Kley +3 more
2023Knee Surgery, Sports Traumatology, Arthroscopy16 citations
Semantic Scholar
Three-dimensional MRI shows cartilage defect extension with no separation from the meniscus in women in their 70 s with knee osteoarthritis
H. Katano, N. Ozeki, H. Koga, M. Tomita +3 more
2022Scientific Reports16 citations Open access
Semantic Scholar
The prevalence and treatment of osteoporosis in patients undergoing total hip arthroplasty and the levels of biochemical markers of bone turnover
Naoto Watanabe, K. Miyatake, R. Takada, Takahisa Ogawa +5 more
2022Bone & Joint Research16 citations Open access
Semantic Scholar
Association between knee cartilage thickness determined by magnetic resonance imaging three-dimensional analysis and the International Cartilage Repair Society (ICRS) arthroscopic grade.
N. Ozeki, H. Koga, Y. Nakagawa, H. Katagiri +4 more
2023Knee (Oxford)15 citations Open access
Semantic Scholar
Kinesiophobia is negatively associated with psychological readiness to return to sport in patients awaiting anterior cruciate ligament reconstruction.
Shunsuke Ohji, Junya Aizawa, K. Hirohata, Takehiro Ohmi +3 more
2023Arthroscopy: The Journal of Arthroscopy And Related15 citations Open access
Semantic Scholar
Epidemiology of MRI-detected muscle injury in athletes participating in the Tokyo 2020 Olympic Games
H. Katagiri, B. Forster, L. Engebretsen, Jae-Sung An +4 more
2022British Journal of Sports Medicine15 citations Open access
Semantic Scholar
Arthroscopic Centralization for Lateral Meniscal Injuries Reduces Laxity in the Anterior Cruciate Ligament–Reconstructed Knee
Tomomasa Nakamura, Brandon D. Marshall, Taylor M. Price, Yong-Tao Mao +4 more
2021American Journal of Sports Medicine14 citations Open access
Semantic Scholar
Validity of the KOJI AWARENESS self-screening test for body movement and comparison with functional movement screening
K. Murofushi, Daisuke Yamaguchi, H. Katagiri, K. Hirohata +6 more
2022PLoS ONE13 citations Open access
Semantic Scholar
Correlations between isokinetic knee torques and single-leg hop distances in three directions in patients after ACL reconstruction
Junya Aizawa, K. Hirohata, Shunsuke Ohji, Takehiro Ohmi +3 more
2021BMC Sports Science, Medicine and Rehabilitation13 citations Open access
Semantic Scholar
Risk Factors Affecting Return to Sports and Patient-Reported Outcomes After Opening-Wedge High Tibial Osteotomy in Active Patients
H. Katagiri, M. Shioda, Y. Nakagawa, Toshiyuki Ohara +4 more
2022Orthopaedic Journal of Sports Medicine12 citations Open access
Semantic Scholar
Ultrasound-Assisted Arthroscopic All-Inside Repair Technique for Posterior Lateral Meniscus Tear
N. Ozeki, H. Koga, Tomomasa Nakamura, Y. Nakagawa +3 more
2022Arthroscopy Techniques12 citations Open access
Semantic Scholar
Meniscus repair and centralization: Preserving meniscus function
N. Ozeki, Tomomasa Nakamura, Y. Nakagawa, I. Sekiya +1 more
2023Journal of Joint Surgery and Research11 citations Open access
Semantic Scholar
Reactive strength index during single-limb vertical continuous jumps after anterior cruciate ligament reconstruction: cross-sectional study
K. Hirohata, Junya Aizawa, Takehiro Ohmi, Shunsuke Ohji +6 more
2022BMC Sports Science, Medicine and Rehabilitation11 citations Open access
Semantic Scholar
Single-leg hop distance normalized to body height is associated with the return to sports after anterior cruciate ligament reconstruction
Shunsuke Ohji, Junya Aizawa, K. Hirohata, Takehiro Ohmi +4 more
2021Journal of Experimental Orthopaedics11 citations Open access
Semantic Scholar
ARID5B is a negative modulator of IL-6 production in rheumatoid arthritis synovial fibroblasts
Yasuhiro Tagawa, Tetsuya Saito, H. Iwai, Motohiko Sato +12 more
2024Immunological Medicine10 citations Open access
Semantic Scholar
The effectiveness of corrective exercises on the KOJI AWARENESS score and activity-related pain intensity.
K. Murofushi, Daisuke Yamaguchi, K. Kaneoka, Tomoki Oshikawa +6 more
2023Journal of Medical Investigation10 citations Open access
Semantic Scholar
Simultaneous Correction of Varus Deformity and Posterior Tibial Slope by Modified Hybrid Closed-Wedge High Tibial Osteotomy
H. Koga, Tomomasa Nakamura, Y. Nakagawa, N. Ozeki +3 more
2022Arthroscopy Techniques10 citations Open access
Semantic Scholar
The relationship between movement self-screening scores and pain intensity during daily training.
K. Murofushi, Daisuke Yamaguchi, H. Katagiri, K. Hirohata +5 more
2022Journal of Medical Investigation10 citations Open access
Semantic Scholar
Intra‐articular Injection of PDGF-BB Explored in a Novel in Vitro Model Mobilizes Mesenchymal Stem Cells From the Synovium Into Synovial Fluid in Rats
Kentaro Endo, Kiyotaka Horiuchi, H. Katano, N. Ozeki +3 more
2021Stem Cell Reviews and Reports10 citations Open access
Semantic Scholar
Clinical outcomes of two-stage revision total knee arthroplasty in infected cases with antibiotic-loaded cement spacers produced using a handmade silicone mold
T. Hoshino, Toshifumi Watanabe, Y. Nakagawa, H. Katagiri +6 more
2021Knee Surgery and Related Research10 citations Open access
Semantic Scholar
Association of osteoporosis and high serum homocysteine levels with intraoperative periprosthetic fracture during total hip arthroplasty: a propensity-score matching analysis
Naoto Watanabe, Takahisa Ogawa, R. Takada, Y. Amano +5 more
2023Archives of Orthopaedic and Trauma Surgery9 citations
Semantic Scholar
Morphological analysis of three-dimensional MR images of patellofemoral joints in asymptomatic subjects
H. Katano, N. Ozeki, M. Mizuno, Kentaro Endo +5 more
2023Scientific Reports9 citations Open access
Semantic Scholar
Surgical Repair of Symptomatic Wrisberg Variant Discoid Lateral Mensicus with Pull-Out Repair and Capsulodesis
N. Ozeki, H. Koga, Tomomasa Nakamura, Y. Nakagawa +3 more
2021Arthroscopy Techniques9 citations Open access
Semantic Scholar
Optimal Pore Size of Honeycomb Polylactic Acid Films for In Vitro Cartilage Formation by Synovial Mesenchymal Stem Cells
Misaki Yagi, M. Mizuno, Ryota Fujisawa, H. Katano +5 more
2021Stem Cells International9 citations Open access
Semantic Scholar
Anterior Cruciate Ligament‐Return to Sport after Injury (ACL‐RSI) subcategories are affected by subjective running ability and medial single‐leg hop distance in postreconstruction patients at 6 months
Junya Aizawa, K. Hirohata, Shunsuke Ohji, S. Mitomo +3 more
2024Journal of Experimental Orthopaedics8 citations Open access
Semantic Scholar
Hyaluronic acid sheet transplantation attenuates infrapatellar fat pad fibrosis and pain in a rat arthritis model
Zhen-ning Qu, H. Koga, K. Tsuji, Guo Tang +8 more
2023Journal of Orthopaedic Research8 citations
Semantic Scholar
Intra-Articular Injections of the Adipose-Derived Mesenchymal Stem Cells Suppress Progression of a Mouse Traumatic Knee Osteoarthritis Model
Takanori Wakayama, Y. Saita, Masashi Nagao, Sayuri Uchino +9 more
2022Cartilage8 citations Open access
Semantic Scholar

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I. Sekiya×28
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I. Sekiya — researcher profile on SciRah
N. Ozeki×23
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N. Ozeki — researcher profile on SciRah
H. Katano×14
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H. Katano — researcher profile on SciRah
K. Hirohata×14
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K. Hirohata — researcher profile on SciRah

×14

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S. Mitomo — researcher profile on SciRah

K. Yagishita×13

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Y. Nakagawa×12

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Y. Nakagawa — researcher profile on SciRah

Shunsuke Ohji×11

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Shunsuke Ohji — researcher profile on SciRah

Junya Aizawa×11

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Junya Aizawa — researcher profile on SciRah

Takehiro Ohmi×11

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Takehiro Ohmi — researcher profile on SciRah

Tomomasa Nakamura×10

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Tomomasa Nakamura — researcher profile on SciRah

H. Katagiri×10

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H. Katagiri — researcher profile on SciRah