Morita A, Kobayashi N, Choe H, Tezuka T, Higashihira S, Inaba Y: Preoperative factors predicting the severity of BMD loss around the implant after Total hip Arthroplasty. BMC Musculoskelet Disord. 22(1):290, 2021 Mar 19. 

Nejima S, Kumagai K, Kobayashi H, Yamada S, Akamatsu T, Ogino T, Sotozawa M, Inaba Y: Coronal shaft bowing of the femur affects varus inclination of the surgical transepicondylar axis in varus knee osteoarthritis. Knee Surg Sports Traumatol Arthrosc. 29(3):814-819, 2021 Mar.

Sasaki T, Akamatsu Y, Kobayashi H, Mitsuhashi S, Nejima S, Kumagai K, Saito T, Inaba Y: Rotational Changes in the Distal Tibial Fragment Relative to the Proximal Tibial Fragment at the Osteotomy Site after Open-Wedge High-Tibial Osteotomy. Biomed Res Int. 2021:6357109, 2021 Feb. 

Nejima S, Kumagai K, Kobayashi H, Yamada S, Akamatsu T, Ogino T, Sotozawa M, Inaba Y: Varus inclination of the tibia is related to patellofemoral osteoarthritis in Japanese female patients with moderate knee osteoarthritis. Knee Surg Sports Traumatol Arthrosc. 29(2):652-658, 2021 Feb.

Yang F, Choe H, Kobayashi N, Tezuka T, Oba M, Miyamae Y, Morita A, Abe K, Inaba Y: An automated real-time PCR assay for synovial fluid improves the preoperative etiological diagnosis of periprosthetic joint infection and septic arthritis. J Orthop Res. 39(2):348-355, 2021 Feb. 

Schwarz EM, McLaren AC, Sculco TP, Brause B, Bostrom M, Kates SL, Parvizi J, Alt V, Arnold WV, Carli A, Chen AF, Choe H, Coraça-Huber DC, Cross M, Ghert M, Hickok N, Jennings JA, Joshi M, Metsemakers WJ, Ninomiya M, Nishitani K, Oh I, Padgett D, Ricciardi B, Saeed K, Sendi P, Springer B, Stoodley P, Wenke JC; Hospital for Special Surgery 2019 Biofilm Symposium Workgroup: Adjuvant antibiotic-loaded bone cement: Concerns with current use and research to make it work. J Orthop Res, 39(2):227-239, 2021 Feb.

Saeed K, Sendi P, Arnold WV, Bauer TW, Coraça-Huber DC, Chen AF, Choe H, Daiss JL, Ghert M, Hickok NJ, Nishitani K, Springer BD, Stoodley P, Sculco TP, Brause BD, Parvizi J, McLaren AC, Schwarz EM: Bacterial toxins in musculoskeletal infections. J Orthop Res. 39(2):240-250, 2021 Feb.

Kumagai K, Fujimaki H, Yamada S, Nejima S, Matsubara J, Inaba Y: Difference in the early postoperative change of the joint line convergence angle between opening wedge and closed wedge high tibial osteotomies. J Orthop Surg Res. 16(1):66, 2021 Jan 19.

Kumagai K, Yamada S, Akamatsu T, Nejima S, Ogino T, Sotozawa M, Inaba Y: Intraoperatively accurate limb alignment after opening wedge high tibial osteotomy can be lost by large knee joint line convergence angle during surgery. Arch Orthop Trauma Surg. 141(1):23-28, 2021 Jan.

Ando W, Sakai T, Fukushima W, Kaneuji A, Ueshima K, Yamasaki T, Yamamoto T, Nishii T, Nakamura J, Sakamoto Y, Ichiseki T, Kabata T, Kajino Y, Fukui K, Seki T, Mizokawa S, Ishida M, Saito M, Ohta Y, Hayashi S, Fujiwara K, Kuroda Y, Okawa T, Mashima N, Kaku N, Motomura G, Inaba Y, Jinno T, Shishido T, Tanaka T, Takada R, Sugano N: Japanese Orthopaedic Association 2019 Guidelines for osteonecrosis of the femoral head. J Orthop Sci. 26(1):46-68, 2021 Jan. 

Morita A, Kobayashi N, Choe H, Tezuka T, Kawabata Y, Hayashida K, Higashihira S, Kato I, Inaba Y: A rare case of osteoblastoma in the femoral head combined with cam-type femoroacetabular impingement: A case report.

SAGE Open Med Case Rep. 8:2050313X20978022, 2020 Dec 6.

Ninomiya K, Takahira N, Ochiai S, Ikeda T, Suzuki K, Sato R, Ike H, Hirakawa K: Incidence of postoperative complications and non- periprosthetic fractures after total hip arthroplasty: A more than 10-year follow-up retrospective cohort study. Phys Ther Res. 24(1):77-83, 2020 Nov 13. 

Higashihira S, Kobayashi N, Choe H, Sumi K, Inaba Y: Use of a 3D virtually reconstructed patient-specific model to examine the effect of acetabular labral interference on hip range of motion. Orthop J Sports Med 8(11): 2325967120964465, 2020 Nov.

Yamada S, Kumagai K, Harigane K, Choe H, Tezuka T, Mochida Y, Inaba Y: Factors associated with disease activity after orthopaedic surgery in patients with rheumatoid arthritis. Mod Rheumatol 30(6): 997-1001, 2020 Nov.

Ogino T, Kumagai K, Yamada S, Akamatsu T, Nejima S, Sotozawa M, Inaba Y: Relationship between the bony correction angle and mechanical axis change and their differences between closed and open wedge high tibial osteotomy. BMC Musculoskelet Disord 21(1):675, 2020 Oct 12. 

Miyatake K, Kumagai K, Imai S, Yamaguchi Y, Inaba Y: Sclerostin inhibits interleukin-1β-induced late stage chondrogenic differentiation through downregulation of Wnt/β-catenin signaling pathway. PLoS One 15(9): e0239651, 2020 Sep 25.

Takagawa S, Kobayashi N, Yukizawa Y, Oishi T, Tsuji M, Inaba Y: Preoperative soft tissue laxity around knee was associated with less accurate alignment correction after hybrid closed-wedge high tibial osteotomy. Knee Surg Sports Traumatol Arthrosc 28(9): 3022-3030,  2020 Sep.

Tsuji M, Kobayashi N, Yukizawa Y, Oishi T, Takagawa S, Inaba Y: Effect of Flurbiprofen and S-Flurbiprofen Patches on Multimodal Pain Management After Total Knee Arthroplasty: A Prospective Randomized Controlled Trial. J Arthroplasty. 35(8):2033-2038, 2020 Aug.  

Heckmann N, Tezuka T, Bodner RJ, Dorr LD: Functional Anatomy of the Hip Joint. J Arthroplasty. S0883-5403(20)30858-5, 2020 Jul 31. 

Kobayashi D, Choe H, Kobayashi N, Tezuka T, Ike H, Inaba Y: Association of Femoral Rotation With Whole-Body Alignment in Patients Who Underwent Total Hip Arthroplasty. Arthroplast Today. 6(3):532-537, 2020 Jul 23. 

Parvizi J, Gehrke T, Krueger CA, Chisari E, Citak M, Van Onsem S, Walter WL; International Consensus Group (ICM) and Research Committee of the American Association of Hip and Knee Surgeons (AAHKS): H Abdelaziz, M N Abolghasemian, C Aboltins, S M Al Maskari, A Baldini, C L Barnes, T Basso, K Belden, F Benazzo, M Bhandari, M P Bolognesi, J A Bosco III, N M Bozkurt, T S Brown, M Buttaro, A V Carli, F Catani, J Chen, L Cao, H Choe, J C Clohisy, B de Beaubien, C J Della Valle, C Diaz-Ledezma, M J Dietz, L Drago, G D Ehrlich, A N Fleischman, E S Ghanem, M Ghert, L S M Gomes, K Goswami, E Guerra-Farfan, C A Higuera, R Iorio, J M Jennings, K I Kim, P Kjærsgaard-Andersen, S K Kunutsor, R Kyte, M S Lee, B R Levine, P Linke, K N Malizos, C E Marcelescu, O M Marin-Peña, S C Mears, W M Mihalko, S G Memtsoudis, A O Miller, M A Mont, A Mullaji, A L Munhoz Lima, S Nandi, M Ohlmeier, J E Otero, D E Padgett, M Reed, R Rossi, P Sancheti, N A Sandiford, M J Schwaber, E M Schwarz, R Schwarzkpof, T M Seyler, M J Spangehl, S M Sporer, B D Springer, R Sousa, P Tornetta III, E Witso, M Wouthuyzen-Bakker, Y Zhou: Resuming Elective Orthopaedic Surgery During the COVID-19 Pandemic: Guidelines Developed by the International Consensus Group (ICM). J Bone Joint Surg Am. 102(14):1205-1212, 2020 Jul 15. 

Kobayashi N, Sumi K, Higashihira S, Choe H, Tezuka Y, Oishi T, Yukizawa Y, Morita A, Inaba Y: Correlations and Reproducibility Between Radiographic and Radial Alpha Angles in the Evaluation of Cam Morphology. Orthop J Sports Med. 8(7):2325967120932922, 2020 Jul 9. 

Ike H, Bodner RJ, Lundergan W, Saigusa Y, Dorr LD: The Effects of Pelvic Incidence in the Functional Anatomy of the Hip Joint. J Bone Joint Surg Am. 102(11):991-999, 2020 Jun 3. 

Tsuji M, Akamatsu Y, Kobayashi H, Mitsugi N, Inaba Y, Saito T: Joint line convergence angle predicts outliers of coronal alignment in navigated open-wedge high tibial osteotomy. Arch Orthop Trauma Surg. 140(6):707-715, 2020 Jun.

Takagawa S, Mitsugi N, Mochida Y, Taki N, Harigane K, Yukizawa Y, Sasaki Y, Tsuji M, Sahara K, Inaba Y: In Asian women undergoing total knee arthroplasty, lower leg morphology in those with rheumatoid arthritis differed from those with osteoarthritis. Mod Rheumatol. 30(3):489-494, 2020 May.

Hayashida K, Kawabata Y, Kato I, Suzuki M, Takeyama M, Inaba Y: G-CSF Production by Undifferentiated Pleomorphic Sarcoma with Leukemoid Reaction Occurred in the Lower Leg: A Case Report. JBJS Case Connect. 10(2):e0624, 2020 Apr-Jun. 

Nejima S, Akamatsu Y, Kobayashi H, Tsuji M, Mitsuhashi S, Sasaki T, Kumagai K, Inaba Y: Relationship between lower limb torsion and coronal morphologies of the femur and tibia in patients with medial knee osteoarthritis. BMC Musculoskelet Disord. 21(1):254, 2020 Apr 17. 

Watanabe S, Choe H, Kobayashi N, Ike H, Kobayashi D, Higashihira S, Inaba Y: Utility of CT-based navigation in revision total hip arthroplasty for a patient with severe posterior pelvic tilt-case report. BMC Musculoskelet Disord. 21(1):249, 2020 Apr 16.