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Kawahara Shinya Last modified date：2024.06.03

Assistant Professor / Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University
Orthopedic Surgery
Kyushu University Hospital




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Homepage
https://kyushu-u.elsevierpure.com/en/persons/shinya-kawahara
　Reseacher Profiling Tool　Kyushu University Pure
Phone
092-642-5488
Fax
092-642-5507
Academic Degree
Postdoctoral Degree
Country of degree conferring institution (Overseas)
No
Field of Specialization
Hip surgery, Knee surgery, Joint arthroplasty, Osteotomy, Sports orthopaedics
Total Priod of education and research career in the foreign country
00years00months
Outline Activities
I am engaged in the fields of adult joint reconstruction (surgeries of the hip and knee joints).
I am engaged in studies about correlations between surgeries of the hip and knee joints (arthroplasty, osteotomy and so on) and postoperative outcomes, computer-aided surgeries and three-dimensional image analyses.
Research
Research Interests
  • Effects of the surface processing of the cementless acetabular implant on the initial fixation in total hip arthroplasty
    keyword : Hip, Total hip arthroplasty
    2020.09～2024.03.
  • Three-dimensional computer analysis of the pelvic tilt and the implant position in total hip arthroplasty
    keyword : Hip, Total hip arthroplasty
    2019.04～2024.03.
  • Effects of intraoperative soft tissue balance and alignment on pre- and post-operative patient-reported outcome in unicompartmental knee arthroplasty
    keyword : unicompartmental knee arthroplasty; soft tissue balance; patient-reported outcome
    2020.09～2023.03.
  • Pre- and postoperative kinematic analyses of high tibial osteotomy
    keyword : Knee, High tibial osteotomy
    2019.04～2024.03.
  • Effects of implant alignment and intraoperative soft-tissue balance on the postoperative outcomes in total knee arthroplasty
    keyword : Knee, Total knee arthroplasty
    2019.04～2023.04.
Academic Activities
Papers
 Show All Papers >>
1. Tsurui R, Kawahara S, Hamai S, Akasaki Y, Tsushima H, Kokubu Y, Mawatari T, Nakashima Y., Anatomical landmark for medialized patellar component in TKA, J Joint Surg Res, 2024.02.
2. Kokubu Y, Kawahara S, Kitamura K, Hamai S, Motomura G, Ikemura S, Sato T, Yamaguchi R, Hara D, Fujii M, Nakashima Y., Evaluation of the anterior acetabular coverage with a false profile radiograph considering appropriate range of positioning., Sci Rep., 22;13(1):8288., 2023.05.
3. Kokubu Y, Kawahara S, Hamai S, Akasaki Y, Tsushima H, Miyachika S, Nakashima Y., "Grand-piano sign" as a femoral rotational indicator in both varus and valgus knees: a simulation study of anterior resection surface in total knee arthroplasty., Knee Surg Sports Traumatol Arthrosc., 2023.05.
4. Endo M, Kawahara S, Sato T, Tokunaga M, Hara T, Mawatari T, Kawano T, Zenda S, Miyaji T, Shimokawa M, Sakamoto S, Takano T, Miyake M, Aono H, Nakashima Y; RETHINK study group., Protocol for the RETHINK study: a randomised, double-blind, parallel-group, non-inferiority clinical trial comparing acetaminophen and NSAIDs for treatment of chronic pain in elderly patients with osteoarthritis of the hip and knee., BMJ Open., 2023.02.
5. Kokubu Y, Kawahara S, Hamai S, Akasaki Y, Tsushima H, Momii K, Nakashima Y., Sagittal femoral bowing contributes to distal femoral valgus angle deviation in malrotated preoperative radiographs., BMC Musculoskelet Disord, 2022.05.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. 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.
12. Kawahara S, Mawatari T, Iwamoto Y, Banks SA., Femoral sizer design can increase anterior notching during total knee arthroplasty., Knee., 2016.10.
13. 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.
14. 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.
15. 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.
16. 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.
17. 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.
18. 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.
19. 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.
20. 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.
21. 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.
Presentations
 Show All Presentations >>
1. Kawahara S, Sato T, Kitade K, Shimoto T, Sonoda K, Nakamura T, Shin S, Mawatari T, Hara T., Digitalized Analyses of Perioperative Acetabular Cup Position using Image-matching Technique in Total Hip Arthroplasty. , The 86th Annual Meeting of American Academy of Orthopaedic Surgeons, 2019.03.
2. Kawahara S, Sato T, Kitade K, Shimoto T, Sonoda K, Nakamura T, Shin S, Mawatari T, Hara T., Digitalized Analyses of Perioperative Acetabular Cup Position using Image-matching Technique in Total Hip Arthroplasty., The 64th Annual Meeting of the Orthopaedic Research Society, 2018.03.
3. Kawahara S, Hara D, Park B, Murakami K, Hara T, Banks SA., Smaller Femoral Neck Anteversion in Varus Knees Compared to Normal and Valgus Knees., The 63th Annual Meeting of the Orthopaedic Research Society, 2017.03.
4. Kawahara S, Okazaki K, Okamoto S, Kuwashima U, Murakami K, Iwamoto Y, Banks SA., A Lateralized Anterior Flange Improves Femoral Component Bone Coverage in Total Knee Arthroplasty., The 61th Annual Meeting of the Orthopaedic Research Society, 2015.03.
5. Kawahara S, Matsuda S, Okazaki K, Tashiro Y, Iwamoto Y. , Upsizing femoral component increases patellofemoral contact force in total knee arthroplasty -PF contact force in TKA-, The 79th Annual Meeting of American Academy of Orthopaedic Surgeons, 2012.02.
6. Kawahara S, Matsuda S, Okazaki K, Tashiro Y, Iwamoto Y. , The medial wall of the intercondylar notch is useful rotational reference in UKA., The 79th Annual Meeting of American Academy of Orthopaedic Surgeons, 2012.02.
7. Kawahara S, Matsuda S, Okazaki K, Tashiro Y, Nakahara H, Okamoto S, Nishikawa K, Iwamoto Y., The medial Wall of the intercondylar notch is useful for tibial rotational reference in unicompartmental knee arthroplasty., The 58th Annual Meeting of the Orthopaedic Research Society, 2012.02.
8. Kawahara S, Matsuda S, Okazaki K, Tashiro Y, Nakahara H, Okamoto S, Nishikawa K, Iwamoto Y., Asymmetric femoral component design is preferable for the patellofemoral contact configuration in total knee arthroplasty. , The 58th Annual Meeting of the Orthopaedic Research Society, 2012.02.
Educational
Educational Activities
Clinical training for medical students and residents


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