Faculty Information - ITOU Masafumi

■ Books

1.

Chapter contribution　

Postoperative Evaluation (E.g., PROMs), Advances in Total Knee Arthroplasty 2024

■ Published papers

1.	Original article	Saddle-shaped rotating knee prosthesis outperforms low contact stress knee: A short-term retrospective comparative study 2024/12/02
2.	Original article	Saddle-shaped rotating knee prosthesis outperforms low contact stress knee: A short-term retrospective comparative study. 2024/10
3.	Original article	Large angular correction of arithmetic coronal alignment is associated with residual lateral laxity after total knee arthroplasty in varus knees for Japanese patients 2024/08/13
4.	Original article	Impact of support instruments in medial closed-wedge distal femoral osteotomy: a finite element analysis. 2024/03
5.	Original article	Estimation Failure Risk by 0.5-mm Differences in Autologous Hamstring Graft Diameter in Anterior Cruciate Ligament Reconstruction: A Meta-analysis. 2024/02
6.	Original article	Lateral joint tightness in flexion following cementless mobile-bearing total knee arthroplasty decreases patient-reported outcome measures and postoperative range of motion. 2023/10
7.	Original article	Open-wedge high tibial osteotomy with a slight valgus correction from neutral limb alignment achieves clinical improvements comparable with those for knees with varus deformity. 2023/07
8.	Original article	Robotic-assisted total knee arthroplasty is not associated with increased risk of postoperative deep vein thrombosis. 2023/06
9.	Original article	Estimation Failure Risk by 0.5-mm Differences in Autologous Hamstring Graft Diameter in Anterior Cruciate Ligament Reconstruction: A Meta-analysis 2023/03/06
10.	Original article	A survey on the usage of decellularized tissues in orthopaedic clinical trials. 2023/03
11.	Original article	High tibial osteotomy for medial meniscus posterior root tears in knees with moderate varus alignment can achieve favorable clinical outcomes. 2022/07
12.	Original article	Effect of bone morphology of the tibia plateau on joint line convergence angle in medial open wedge high tibial osteotomy 2022/06/13
13.	Original article	Effect of bone morphology of the tibia plateau on joint line convergence angle in medial open wedge high tibial osteotomy. 2022/06
14.	Case report	Tibial shaft fracture after medial open-wedge distal tibial tuberosity osteotomy: A case report. 2022/04
15.	Original article	Time-series biological responses toward decellularized bovine tendon graft and autograft for 52 consecutive weeks after rat anterior cruciate ligament reconstruction. 2022/04
16.	Original article	Perioperative varus alignment does not affect short-term patient-reported outcome measures following mobile-bearing unicompartmental knee arthroplasty. 2022/02
17.	Original article	Correlation of patient-reported numbness around surgical scars with patient-reported outcome measures and joint awareness after knee replacement: a cohort study. 2022/01
18.	Original article	No difference in the incidence or location of deep venous thrombosis according to use of pharmacological prophylaxis following total knee arthroplasty 2021/09/23
19.	Original article	Good Validity and High Internal Consistency of the Forgotten Joint Score-12 in Patients After Medial Opening Wedge High Tibial Osteotomy. 2021/08
20.	Original article	Effect of osteoarthritis severity on survival and clinical outcomes after high tibial osteotomy. 2021/03
21.	Original article	Monocortical fixation for locking plate distal screws does not impair mechanical properties in open-wedge high tibial osteotomy 2021/02/08
22.	Original article	Assessing the validity of a new prediction model for patient satisfaction after total knee arthroplasty: A retrospective cross-sectional study 2020/09/09
23.	Original article	Deep peroneal nerve has a potential risk of injury during open-wedge high tibial osteotomy. 2020/05
24.	Review article	Tibial condylar valgus osteotomy - indications and technique. 2020/05
25.	Original article	Significance of soluble fibrin monomer complex measurement predicting DVT after total knee arthroplasty 2020/02
26.	Original article	Treatment report for hip fractures in our institute 2020/01
27.	Case report	Deep peroneal nerve injury during plate fixation for medial open-wedge high tibial osteotomy: A case report and cadaveric study 2019/12/04
28.	Case report	Deep peroneal nerve injury during plate fixation for medial open-wedge high tibial osteotomy: A case report and cadaveric study. 2019/11
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■ Academic conference presentation

1.	A novel ACL Reconstruction Using Tissue-Regenerative Ligament (Decellularized Bovine Tendon) （口頭，シンポジウム・ワークショップパネル（指名）） 2025/10/16
2.	Cellularization and Remodeling of Novel Decellularized Bovine Tendon Graft in Ovine ACL Reconstruction Model （ポスター掲示，一般） 2025/06/12
3.	ESTIMATION FAILURE RISK BY 0.5-MM DIFFERENCES IN AUTOLOGOUS HAMSTRING GRAFT DIAMETER IN ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION: A META ANALYSIS （ポスター掲示，一般） 2025/06/12
4.	Novel Safety Device Eliminates Neurovascular Injury In Medial-opening Wedge High Tibial Osteotomy （ポスター掲示，一般） 2025/06/11
5.	Novel Safety Device Eliminates Neurovascular Injury In Medial-opening Wedge High Tibial Osteotomy （ポスター掲示，一般） 2025/06/10
6.	Cellularization and Remodeling of Novel Decellularized Bovine Tendon Graft in Ovine ACL Reconstruction Model （口頭，一般） 2025/06/08
7.	Novel Safety Device Eliminates Neurovascular Injury In Medial-opening Wedge High Tibial Osteotomy （ポスター掲示，一般） 2025/02/08
8.	Comparison of clinical outcomes between interlocking high-tibial osteotomy and medial opening-wedge high-tibial osteotomy, and investigation of factors influencing the outcomes （口頭，一般） 2024/12/06
9.	The Utility of the Wedge-shaped Saw Blade (MK wedge Blade) in inverted V-shaped High Tibial Osteotomy （口頭，一般） 2024/12/06
10.	Introducing an innovative device preventing neurovascular injury during drilling for distal screw holes of the plate in medial open wedge high tibial osteotomy （口頭，一般） 2024/07/05
11.	ESTIMATION FAILURE RISK BY 0.5-MM DIFFERENCES IN AUTOLOGOUS HAMSTRING GRAFT DIAMETER IN ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION: A META-ANALYSIS （ポスター掲示，一般） 2024/05/09
12.	Introducing an innovative device preventing neurovascular injury during drilling for distal screw holes of the plate in medial open wedge high tibial osteotomy （ポスター掲示，一般） 2024/05/09
13.	A Survey On The Usage Of Decellularized Tissues In Orthopedic Clinical Trials （ポスター掲示，一般） 2024/02/03
14.	Introducing an innovative device preventing neurovascular injury during drilling for distal screw holes of the plate in medial open wedge high tibial osteotomy （口頭，一般） 2023/09/23
15.	Time‑series biological responses toward decellularized bovine tendon graft and autograft for 52 consecutive weeks after rat anterior cruciate ligament reconstruction （ポスター掲示，一般） 2023/06/18
16.	A new device for prevention of neurovascular injury during drilling through distal holes of the plate in medial open wedge high tibial osteotomy （ポスター掲示，一般） 2023/05/11
17.	Comparison of clinical outcomes including anterior knee pain of CS Mobile TKAs underwent non-resurface patella technique with different patellar groove designs （ポスター掲示，一般） 2023/02/18
18.	Comparison of clinical outcomes using propensity score matching of cruciate resection TKAs (CS Mobile and BCS) with different mechanisms （口頭，一般） 2023/02/18
19.	Varus alignment was a risk factor for osteoarthritis of the knee after the anterior cruciate ligament injury: A systematic review and meta-analysis （ポスター掲示，一般） 2023/02/10
20.	Change of joint awareness after MPFL reconstruction for recurrent patella dislocation （口頭，一般） 2021/06
21.	Comparison between UKA and MOWHTO in patients with comparable deformity, age, gender and activity （口頭，一般） 2021/06
22.	Comparison of clinical outcomes of MOWHTO for early and advanced-stage knee osteoarthritis （口頭，一般） 2021/06
23.	Impact on joint awareness by plate removal after medial open wedge high tibia osteotomy （口頭，一般） 2021/06
24.	Non-resurfaced patella alignment of CS mobile-bearing total knee arthroplasty: ROCC vs LCS （ポスター掲示，一般） 2020/06
25.	Bony contact is essential to stabilize lateral hinge fracture during open wedge high tibial osteotomy （ポスター掲示，一般） 2020/02
26.	Differences in the Anterior Prominence of the Femoral Condyle among Prosthesis Designs in Total Knee Arthroplasty （ポスター掲示，一般） 2020/02
27.	Investigation of intraoperative gap balance and the risk factor of medial laxity in medial stabilizing gap technique total knee arthroplasty （ポスター掲示，一般） 2020/02
28.	Comparison of Tibial Torsion Changes between Hybrid Closed Wedge- and Medial Open Wedge High Tibial Osteotomy （ポスター掲示，一般） 2019/07
29.	Three Dimensional Comparison of Tibial Torsion Changes Following Lateral Closed Wedge- or Medial Open Wedge High Tibial Osteotomy （ポスター掲示，一般） 2019/05
30.	Changes of the patellar tendon after total knee arthroplasty: MRI evaluation （口頭，一般） 2012/10/03
31.	Radiolucent Lines Around The Tibial Component comparison of a convetional component with a low-profile component （口頭，一般） 2012/10/03
32.	Changes of the patellar tendon after total knee arthroplasty: MRI evaluation （口頭，一般） 2012/09/15
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■ Awards & honors

1.

2023/09

The 20th KOSSM-JSOA combined symposium of orthopedic sports medicine (Best Presentation Award)

■ Academic society memberships

1.	2023/06～	Japan Sports Orthopaedic Association
2.	2023/06～	∟ trustee
3.	2023/06～	The Japanese Knee Society
4.	2023/06～	∟ trustee
5.	2018/05	Japanse society of clinical biomechanics
6.	2010～	Japanese Orthopedic Sociey of Knee Arthroscopy and Sports Medicine
7.	2022/06	∟ trustee
8.	2003～	Japan Orthopedic Association
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■ Education

1.	2017/04～2021/03	〔Doctoral course〕〔Doctorial Course〕, Waseda University, Completed,
2.	1997/04～2003/04	Faculty of Medicine, Kanazawa University, Graduated,

■ Academic & professional experience

1.	2024/03～	Lecturer
2.	2023/04～	Waseda University Associate Professor