• 1677 Citations
  • 19 h-Index
20002020

Research output per year

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Research Output

  • 1677 Citations
  • 19 h-Index
  • 93 Article
  • 3 Review article
  • 1 Chapter
  • 1 Letter
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Article

Accuracy of implant positioning for minimally invasive total knee arthroplasty in patients with severe varus deformity

Niki, Y., Matsumoto, H., Otani, T., Enomoto, H., Toyama, Y. & Suda, Y., 2010 Apr 1, In : Journal of Arthroplasty. 25, 3, p. 381-386 6 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Acute destruction of the hip joints and rapid resorption of femoral head in patients with rheumatoid arthritis

Yoshino, K., Momohara, S., Ikari, K., Kawamura, K., Mochizuki, T., Iwamoto, T., Niki, Y., Saitou, S. & Tomatsu, T., 2006 Dec 1, In : Modern rheumatology. 16, 6, p. 395-400 6 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Administration of cyclooxygenase-2 inhibitor reduces joint inflammation but exacerbates osteopenia in IL-1α transgenic mice due to GM-CSF overproduction

Niki, Y., Takaishi, H., Takito, J., Miyamoto, T., Kosaki, N., Matsumoto, H., Toyama, Y. & Tada, N., 2007 Jul 1, In : Journal of Immunology. 179, 1, p. 639-646 8 p.

Research output: Contribution to journalArticle

Open Access
21 Citations (Scopus)

A missense single nucleotide polymorphism in the ALDH2 gene, rs671, is associated with hip fracture

Takeshima, K., Nishiwaki, Y., Suda, Y., Niki, Y., Sato, Y., Kobayashi, T., Miyamoto, K., Uchida, H., Inokuchi, W., Tsuji, T., Funayama, A., Nakamura, M., Matsumoto, M., Toyama, Y. & Miyamoto, T., 2017 Dec 1, In : Scientific Reports. 7, 1, 428.

Research output: Contribution to journalArticle

9 Citations (Scopus)
14 Citations (Scopus)

Analysis of the factors that correlate with increased knee adduction moment during gait in the early postoperative period following total knee arthroplasty

Nagura, T., Niki, Y., Harato, K., Mochizuki, T. & Kiriyama, Y., 2016 May 18, (Accepted/In press) In : Knee.

Research output: Contribution to journalArticle

2 Citations (Scopus)
26 Citations (Scopus)

A novel and reproducible reference axis for distal tibial axial rotation

Enomoto, H., Nakamura, T., Waseda, A., Niki, Y., Toyama, Y. & Suda, Y., 2013 May 1, In : Journal of Arthroplasty. 28, 5, p. 788-791 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Arthroscopic Treatment of Tibial Eminence Avulsion Fracture With Suture Tensioning Technique

Kobayashi, S., Harato, K., Udagawa, K., Masumoto, K., Jinnouchi, M., Toyoda, T. & Niki, Y., 2018 Jan 1, (Accepted/In press) In : Arthroscopy Techniques.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Arthroscopic Visualization of Abnormal Movement of Discoid Lateral Meniscus With Snapping Phenomenon

Harato, K., Niki, Y., Nagashima, M., Masumoto, K., Otani, T., Toyama, Y. & Suda, Y., 2015 Jun 1, In : Arthroscopy Techniques. 4, 3, p. e235-e238

Research output: Contribution to journalArticle

6 Citations (Scopus)
Open Access

Case reports: Patellar impingement against the tibial component after total knee arthroplasty

Maeno, S., Kondo, M., Niki, Y. & Matsumoto, H., 2006 Nov, In : Clinical Orthopaedics and Related Research. 452, p. 265-269 5 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Characteristics of functional impairment in patients with long-standing rheumatoid arthritis based on range of motion of joints: Baseline data from a multicenter prospective observational cohort study to evaluate the effectiveness of joint surgery in the treat-to-target era

Kojima, T., Ishikawa, H., Tanaka, S., Haga, N., Nishida, K., Yukioka, M., Hashimoto, J., Miyahara, H., Niki, Y., Kimura, T., Oda, H., Asai, S., Funahashi, K., Kojima, M. & Ishiguro, N., 2017 Jul 25, (Accepted/In press) In : Modern Rheumatology. p. 1-8 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Clinical and radiographic outcomes of minimally invasive total knee arthroplasty through a lateral approach

Niki, Y., Matsumoto, H., Hakozaki, A., Kanagawa, H., Toyama, Y. & Suda, Y., 2011 Jun 1, In : Knee Surgery, Sports Traumatology, Arthroscopy. 19, 6, p. 973-979 7 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Clinical significance of cartilage biomarkers for monitoring structural joint damage in rheumatoid arthritis patients treated with anti-TNF therapy

Niki, Y., Takeuchi, T., Nakayama, M., Nagasawa, H., Kurasawa, T., Yamada, H., Toyama, Y. & Miyamoto, T., 2012 May 21, In : PloS one. 7, 5, e37447.

Research output: Contribution to journalArticle

14 Citations (Scopus)
10 Citations (Scopus)

Comparison between cylindrical axis-reference and articular surface-reference femoral bone cut for total knee arthroplasty

Niki, Y., Nagai, K., Sassa, T., Harato, K. & Suda, Y., 2016 Aug 2, (Accepted/In press) In : Knee Surgery, Sports Traumatology, Arthroscopy. p. 1-6 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Comparison of footwear and barefoot kinetics and kinematics during various sporting movements

Tanikawa, H., Ogawa, R., Harato, K., Niki, Y. & Nagura, T., 2017 Apr 1, In : Gazzetta Medica Italiana Archivio per le Scienze Mediche. 176, 4, p. 188-195 8 p.

Research output: Contribution to journalArticle

Comparison of postoperative morbidity between simultaneous bilateral and staged bilateral total knee arthroplasties: Serological perspective and clinical consequences

Niki, Y., Katsuyama, E., Takeda, Y., Enomoto, H., Toyama, Y. & Suda, Y., 2014 Mar 1, In : Journal of Arthroplasty. 29, 3, p. 504-509 6 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Detection of calcium pyrophosphate dihydrate crystals in knee meniscus by dual-energy computed tomography

Tanikawa, H., Ogawa, R., Okuma, K., Harato, K., Niki, Y., Kobayashi, S. & Nagura, T., 2018 Apr 5, In : Journal of Orthopaedic Surgery and Research. 13, 1, 73.

Research output: Contribution to journalArticle

14 Citations (Scopus)
Open Access

Double-concave deformity of the polyethylene tibial post in posterior stabilized total knee arthroplasty

Niki, Y., Matsumoto, H., Yoshimine, F., Toyama, Y., Suda, Y. & Banks, S. A., 2010 Apr, In : Journal of Arthroplasty. 25, 3, p. 497.e7-497.e10

Research output: Contribution to journalArticle

1 Citation (Scopus)

Economic impact of venous thromboembolism following major orthopaedic surgery in Japan

Takai, S., Akagi, M., Crawford, B., Ichinohe, S., Majima, T., Mikami, H., Niki, Y., Tanaka, S. & Tsumura, H., 2013 May 1, In : Value in Health Regional Issues. 2, 1, p. 81-86 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Effect of unstable meniscal injury on three-dimensional knee kinematics during gait in anterior cruciate ligament-deficient patients

Harato, K., Niki, Y., Kudo, Y., Sakurai, A., Nagura, T., Hasegawa, T., Masumoto, K. & Otani, T., 2015 Oct 1, In : Knee. 22, 5, p. 395-399 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
15 Citations (Scopus)

Effects of four different surgical approaches on intra-operative joint gap in posterior-stabilized total knee arthroplasty

Niki, Y., Takeda, Y., Kanagawa, H., Iwamoto, W., Matsumoto, H., Enomoto, H., Toyama, Y. & Suda, Y., 2012 Jan 1, In : Knee Surgery, Sports Traumatology, Arthroscopy. 20, 10, p. 2026-2031 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Effects of Reduction Osteotomy on Gap Balancing During Total Knee Arthroplasty for Severe Varus Deformity

Niki, Y., Harato, K., Nagai, K., Suda, Y., Nakamura, M. & Matsumoto, M., 2015 Jan 28, (Accepted/In press) In : Journal of Arthroplasty.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Enhanced susceptibility to lipopolysaccharide-induced arthritis and endotoxin shock in interleukin-32 alpha transgenic mice through induction of tumor necrosis factor alpha

Nakayama, M., Niki, Y., Kawasaki, T., Takeda, Y., Horiuchi, K., Sasaki, A., Okada, Y., Umezawa, K., Ikegami, H., Toyama, Y. & Miyamoto, T., 2012 May 21, In : Arthritis Research and Therapy. 14, 3, R120.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Factors affecting anterior knee pain following anatomic double-bundle anterior cruciate ligament reconstruction

Niki, Y., Hakozaki, A., Iwamoto, W., Kanagawa, H., Matsumoto, H., Toyama, Y. & Suda, Y., 2012 Aug 1, In : Knee Surgery, Sports Traumatology, Arthroscopy. 20, 8, p. 1543-1549 7 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Factors affecting anteroposterior instability following cruciate-retaining total knee arthroplasty in patients with rheumatoid arthritis

Niki, Y., Mochizuki, T., Momohara, S., Saito, S., Matsumoto, H. & Tomatsu, T., 2008 Jan 1, In : Knee. 15, 1, p. 26-30 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Factors affecting functional medial ligament balancing in patients undergoing total knee arthroplasty for varus knees

Kaneko, T., Niki, Y., Matsumoto, H., Ikegami, H. & Musha, Y., 2012 Dec 1, In : Journal of the Medical Society of Toho University. 59, 6, p. 297-304 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
7 Citations (Scopus)
16 Citations (Scopus)
Open Access
2 Citations (Scopus)

Five types of inflammatory arthritis following total knee arthroplasty

Niki, Y., Matsumoto, H., Otani, T., Tomatsu, T. & Toyama, Y., 2007 Jun 15, In : Journal of Biomedical Materials Research - Part A. 81, 4, p. 1005-1010 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Flow cytometric technique for the detection of phagocytosed wear particles in patients with total joint arthroplasty

Niki, Y., Matsumoto, H., Otani, T., Suda, Y., Yatabe, T., Yoshimine, F., Kondo, M. & Toyama, Y., 2003 Sep, In : Biomaterials. 24, 21, p. 3715-3724 10 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Gigantic Popliteal Synovial Cyst Caused by Wear Particles after Total Knee Arthroplasty

Niki, Y., Matsumoto, H., Otani, T., Yoshimine, F., Inokuchi, W. & Morisue, H., 2003 Dec, In : Journal of Arthroplasty. 18, 8, p. 1071-1075 5 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Hanger-Lifting Procedure in Knee Arthroscopy

Maeno, S., Hashimoto, D., Otani, T., Masumoto, K., Matsumoto, H., Enomoto, H., Niki, Y., Yuzawa, I., Fukui, Y., Ishikawa, M., Fujita, N. & Okubo, M., 2008 Dec 1, In : Arthroscopy - Journal of Arthroscopic and Related Surgery. 24, 12, p. 1426-1429 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
31 Citations (Scopus)

IL-32-PAR2 axis is an innate immunity sensor providing alternative signaling for LPS-TRIF axis

Nakayama, M., Niki, Y., Kawasaki, T., Takeda, Y., Ikegami, H., Toyama, Y. & Miyamoto, T., 2013 Oct 16, In : Scientific reports. 3, 2960.

Research output: Contribution to journalArticle

Open Access
27 Citations (Scopus)

IL-6, IL-17 and Stat3 are required for auto-inflammatory syndrome development in mouse

Oike, T., Kanagawa, H., Sato, Y., Kobayashi, T., Nakatsukasa, H., Miyamoto, K., Nakamura, S., Kaneko, Y., Kobayashi, S., Harato, K., Yoshimura, A., Iwakura, Y., Takeuchi, T., Matsumoto, M., Nakamura, M., Niki, Y. & Miyamoto, T., 2018 Dec 1, In : Scientific Reports. 8, 1, 15783.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Interleukin-1 receptor-associated kinase-4 (IRAK4) promotes inflammatory osteolysis by activating osteoclasts and inhibiting formation of foreign body giant cells

Katsuyama, E., Miyamoto, H., Kobayashi, T., Sato, Y., Hao, W., Kanagawa, H., Fujie, A., Tando, T., Watanabe, R., Morita, M., Miyamoto, K., Niki, Y., Morioka, H., Matsumoto, M., Toyama, Y. & Miyamoto, T., 2015 Jan 9, In : Journal of Biological Chemistry. 290, 2, p. 716-726 11 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Is greater than 145° of deep knee flexion under weight-bearing conditions safe after total knee arthroplasty? A fluoroscopic analysis of Japanese-style deep knee flexion

Niki, Y., Takeda, Y., Udagawa, K., Enomoto, H., Toyama, Y. & Suda, Y., 2013 Jun, In : Bone and Joint Journal. 95 B, 6, p. 782-787 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Is Minimally Invasive Surgery in Total Knee Arthroplasty Really Minimally Invasive Surgery?

Niki, Y., Mochizuki, T., Momohara, S., Saito, S., Toyama, Y. & Matsumoto, H., 2009 Jun 1, In : Journal of Arthroplasty. 24, 4, p. 499-504 6 p.

Research output: Contribution to journalArticle

42 Citations (Scopus)
5 Citations (Scopus)
21 Citations (Scopus)

Lateral patellar retinaculum reconstruction for medial patellar instability following lateral retinacular release: A case report

Udagawa, K., Niki, Y., Matsumoto, H., Matsumoto, H., Enomoto, H., Toyama, Y. & Suda, Y., 2014 Jan 1, In : Knee. 21, 1, p. 336-339 4 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)