| 1. |
Kawahara S, Mawatari T, Matsui G, Hamai S, Akasaki Y, Tsushima H, Nakashima Y., Improved surgical procedure of primary constrained total knee arthroplasty which enables use of the femoral diaphyseal straight extension stem., BMC Musculoskelet Disord., 2022.05. |
| 2. |
Ikemura S, Motomura G, Hamai S, Fujii M, Kawahara S, Sato T, Hara D, Shiomoto K, Nakashima Y., Tapered wedge stems decrease early postoperative subsidence following cementless total hip arthroplasty in Dorr type C femurs compared to fit-and-fill stems., J Orthop Surg Res., 2022.04. |
| 3. |
Harada T, Hamai S, Shiomoto K, Hara D, Kawahara S, Fujii M, Motomura G, Nakashima Y., Analysis of Factors That Influence Patient Satisfaction After Periacetabular Osteotomy: An Asian Cohort Study., Orthopedics., 2022.04. |
| 4. |
Kiyohara M, Hamai S, Shiomoto K, Harada S, Harada T, Motomura G, Ikemura S, Fujii M, Kawahara S, Nakashima Y., Does accelerometer-based portable navigation provide more accurate and precise cup orientation without prosthetic impingement than conventional total hip arthroplasty? A randomized controlled study., Int J Comput Assist Radiol Surg., 2022.03. |
| 5. |
Kawahara S, Hara D, Murakami K, Hamai S, Akasaki Y, Tsushima H, Banks SA, Nakashima Y., Smaller femoral neck anteversion in varus knees than in healthy and valgus knees., Clin Anat., 2022.03. |
| 6. |
Mizu-Uchi H, Kawahara S, Ishibashi S, Colwell CW Jr, Nakashima Y, D'Lima DD., Postoperative Valgus Laxity and Medial Pivot Kinematics Are Significantly Associated With Better Clinical Outcomes., J Arthroplasty., 2022.02. |
| 7. |
Fujita T, Hamai S, Shiomoto K, Okazawa K, Nasu YK, Hara D, Harada S, Motomura G, Ikemura S, Fujii M, Kawahara S, Kawaguchi KI, Nakashima Y., Analysis of factors influencing patient satisfaction after total hip arthroplasty in a Japanese cohort: the significant effect of postoperative physical activity., J Phys Ther Sci., 2022.02. |
| 8. |
Sakamoto K, Motomura G, Hamai S, Ikemura S, Fujii M, Kawahara S, Ayabe Y, Nakashima Y., Short-term results of total hip arthroplasty using a tapered cone stem for patients with previous femoral osteotomy., J Orthop., 2022.02. |
| 9. |
Yoshino S, Kawahara S, Hara T, Nakamura T, Shin S, Mawatari T, Motomura G, Hamai S, Ikemura S, Fujii M, Nakashima Y., Anterior superior iliac spine is not always reliable as a pelvic reference axis. -3D study of pelvic axis., J Orthop Sci., 2022.02. |
| 10. |
Harada S, Hamai S, Motomura G, Ikemura S, Fujii M, Kawahara S, Sato T, Hara D, Nakashima Y., Evaluation of optimal implant alignment in total hip arthroplasty based on postoperative range of motion simulation., Clin Biomech, 2022.02. |
| 11. |
Soejima Y, Akasaki Y, Hamai S, Tsushima H, Kawahara S, Nakashima Y., Transverse osteotomy closer to tibial plateau is associated with larger postoperative change in valgus laxity after open-wedge high tibial osteotomy., Knee Surg Sports Traumatol Arthrosc., 2021.12. |
| 12. |
Takakura K, Akasaki Y, Kuramoto T, Onizuka Y, Hattori A, Hamai S, Tsushima H, Kawahara S, Nakashima Y, Kato T., Angular accuracy of plain radiographic measurements in leg alignment: Teleoroentgenogram versus orthoroentgenogram., J Orthop Sci., 2021.04. |
| 13. |
Motomura G, Hamai S, Ikemura S, Fujii M, Kawahara S, Yoshino S, Nakashima Y., Contemporary indications for first-time revision surgery after primary cementless total hip arthroplasty with emphasis on early failures., J Orthop Surg Res., 2021.02. |
| 14. |
Komiyama K, Hamai S, Motomura G, Ikemura S, Fujii M, Kawahara S, Nakashima Y., Total hip arthroplasty after periacetabular osteotomy versus primary total hip arthroplasty: a propensity-matched cohort study., Arch Orthop Trauma Surg., 2021.08. |
| 15. |
Teng Y, Mizu-Uchi H, Xia Y, Akasaki Y, Akiyama T, Kawahara S, Nakashima Y., Axial But Not Sagittal Hinge Axis Affects Posterior Tibial Slope in Medial Open-wedge High Tibial Osteotomy: A Three-dimensional Surgical Simulation Study., Arthroscopy., 2021.07. |
| 16. |
Akasaki Y, Kitade K, Motomura G, Hamai S, Ikemura S, Fujii M, Kawahara S, Nakashima Y., Morphological changes affecting ipsilateral and contralateral leg alignment after total hip arthroplasty., J Orthop., 2020.12. |
| 17. |
Kawahara S, Mawatari T, Matsui G, Mizu-Uchi H, Hamai S, Akasaki Y, Tsushima H, Nakashima Y., Malrotation of whole-leg radiograph less than 10 degrees does not influence preoperative planning in open-wedge high tibial osteotomy., J Orthop Res., 2021.07. |
| 18. |
Kawahara S, Hara T, Sato T, Kitade K, Shimoto T, Nakamura T, Mawatari T, Higaki H, Nakashima Y., Digitalized analyses of intraoperative acetabular component position using image-matching technique in total hip arthroplasty., Bone Joint Res., 2020.07. |
| 19. |
Mawatari T, Ikemura S, Matsui G, Iguchi T, Mitsuyasu H, Kawahara S, Maehara M, Muraoka R, Iwamoto Y, Nakashima Y., Assessment of baseline bone turnover marker levels and response to risedronate treatment: Data from a Japanese phase III trial., Bone Rep., 2020.04. |
| 20. |
Goto N, Akasaki Y, Okazaki K, Kuwashima U, Iwasaki K, Kawamura H, Mizu-Uchi H, Hamai S, Tsushima H, Kawahara S, Nakashima Y., The influence of post-operative knee coronal alignment parameters on long-term patient-reported outcomes after closed-wedge high tibial osteotomy., J Orthop., 2020.01. |
| 21. |
Akasaki Y, Mizu-Uchi H, Hamai S, Tsushima H, Kawahara S, Horikawa T, Nakashima Y., Patient-specific prediction of joint line convergence angle after high tibial osteotomy using a whole-leg radiograph standing on lateral-wedge insole., Knee Surg Sports Traumatol Arthrosc., 2020.10. |
| 22. |
Haruta Y, Kawahara S, Tsuchimochi K, Hamasaki A, Hara T., Deviation of femoral intramedullary alignment rod influences coronal and sagittal alignment during total knee arthroplasty., Knee., 2018.08. |
| 23. |
Kawahara S, Mawatari T, Iwamoto Y, Banks SA., Femoral sizer design can increase anterior notching during total knee arthroplasty., Knee., 2016.10. |
| 24. |
Kawahara S, Okazaki K, Okamoto S, Iwamoto Y, Banks SA., A lateralized anterior flange improves femoral component bone coverage in current total knee prostheses., Knee., 2016.08. |
| 25. |
Kawahara S, Fukagawa S, Murakami K, Iwamoto Y, Banks SA, Matsuda S., Anterior tibial border as a landmark for extramedullary alignment guides for total knee arthroplasty in valgus knees., J Orthop Res., 2015.12. |
| 26. |
Kawahara S, Okazaki K, Matsuda S, Nakahara H, Okamoto S, Iwamoto Y., Distal femoral condyle is more internally rotated to the patellar tendon at 90° of flexion in normal knees., J Orthop Surg Res., 2015.04. |
| 27. |
Nakahara H, Okazaki K, Hamai S, Kawahara S, Higaki H, Mizu-uchi H, Iwamoto Y., Rotational alignment of the tibial component affects the kinematic rotation of a weight-bearing knee after total knee arthroplasty., Knee., 2015.06. |
| 28. |
Kawahara S, Okazaki K, Matsuda S, Nakahara H, Okamoto S, Iwamoto Y., Internal rotation of femoral component affects functional activities after TKA--survey with the 2011 Knee Society Score., J Arthroplasty., 2014.12. |
| 29. |
Nishikawa K, Okazaki K, Matsuda S, Tashiro Y, Kawahara S, Nakahara H, Okamoto S, Shimoto T, Higaki H, Iwamoto Y., Improved design decreases wear in total knee arthroplasty with varus malalignment., Knee Surg Sports Traumatol Arthrosc., 2014.11. |
| 30. |
Kawahara S, Okazaki K, Matsuda S, Mitsuyasu H, Nakahara H, Okamoto S, Iwamoto Y., Medial sixth of the patellar tendon at the tibial attachment is useful for the anterior reference in rotational alignment of the tibial component., Knee Surg Sports Traumatol Arthrosc., 2014.05. |
| 31. |
Matsuda S, Kawahara S, Okazaki K, Tashiro Y, Iwamoto Y., Postoperative alignment and ROM affect patient satisfaction after TKA., Clin Orthop Relat Res., 2013.01. |
| 32. |
Kawahara S, Nakashima Y, Oketani H, Wada A, Fujii M, Yamamoto T, Mawatari T, Motomura G, Sato T, Akiyama M, Fujii T, Takamura K, Iwamoto Y., High prevalence of acetabular retroversion in both affected and unaffected hips after Legg-Calvé-Perthes disease., J Orthop Sci., 2012.05. |
| 33. |
Kawahara S, Matsuda S, Fukagawa S, Mitsuyasu H, Nakahara H, Higaki H, Shimoto T, Iwamoto Y., Upsizing the femoral component increases patellofemoral contact force in total knee replacement., J Bone Joint Surg Br., 2012.01. |
| 34. |
Kawahara S, Matsuda S, Okazaki K, Tashiro Y, Mitsuyasu H, Nakahara H, Iwamoto Y., Relationship between the tibial anteroposterior axis and the surgical epicondylar axis in varus and valgus knees., Knee Surg Sports Traumatol Arthrosc., 2012.10. |
| 35. |
Kawahara S, Matsuda S, Okazaki K, Tashiro Y, Iwamoto Y., Is the medial wall of the intercondylar notch useful for tibial rotational reference in unicompartmental knee arthroplasty?, Clin Orthop Relat Res., 2012.04. |
| 36. |
Tashiro Y, Uemura M, Matsuda S, Okazaki K, Kawahara S, Hashizume M, Iwamoto Y., Articular cartilage of the posterior condyle can affect rotational alignment in total knee arthroplasty., Knee Surg Sports Traumatol Arthrosc., 2012.08. |
| 37. |
Mitsuyasu H, Matsuda S, Fukagawa S, Okazaki K, Tashiro Y, Kawahara S, Nakahara H, Iwamoto Y., Enlarged post-operative posterior condyle tightens extension gap in total knee arthroplasty., J Bone Joint Surg Br., 2011.09. |
