1:
Okamoto Y, Saika T, Wakama H, Tani K, Otsuki S. Opportunistic CT assessment of psoas muscle attenuation and its association with lumbar osteoporosis in total hip arthroplasty candidates. Skeletal Radiol. 2026 Jul;55(7):1577-1585. doi: 10.1007/s00256-026-05195-2. Epub 2026 Mar 18. PubMed PMID: 41851381.
2:
Okamoto Y, Wakama H, Saika T, Tani K, Otsuki S. Osteosarcopenia as a predictor of postoperative adverse outcomes in older adults undergoing total hip arthroplasty. J Bone Miner Metab. 2026 Jan;44(1):114-123. doi: 10.1007/s00774-025-01671-2. Epub 2025 Dec 3. PubMed PMID: 41339538.
3:
Saika T, Okamoto Y, Wakama H, Ikeda K, Ishitani T, Tani K, Otsuki S. A simple radiographic predictor for rapid progression of hip arthrosis: the sacro-femoral-pubic angle in the coronal plane. Arch Orthop Trauma Surg. 2025 Nov 21;145(1):509. doi: 10.1007/s00402-025-06134-x. PubMed PMID: 41269346.
4:
Okamoto Y, Wakama H, Saika T, Tani K, Otsuki S. Radiographic and systemic predictors of persistent low back pain following total hip arthroplasty: roles of relative pelvic version and osteosarcopenia. Eur Spine J. 2026 May;35(5):2849-2857. doi: 10.1007/s00586-025-09538-w. Epub 2025 Nov 10. PubMed PMID: 41207970.
5:
Okamoto Y, Wakama H, Saika T, Tani K, Otsuki S. Association of spinopelvic mobility and osteosarcopenia with total hip arthroplasty outcomes. J Exp Orthop. 2025 Jul;12(3):e70395. doi: 10.1002/jeo2.70395. eCollection 2025 Jul. PubMed PMID: 40766803; PubMed Central PMCID: PMC12322688.
6:
Okamoto Y, Okayoshi T, Wakama H, Saika T, Otsuki S. Dynamic variation of tibiofemoral compression force during total knee arthroplasty: Implications for soft tissue balance and functional outcomes. Knee. 2025 Mar;53:49-61. doi: 10.1016/j.knee.2024.11.021. Epub 2024 Dec 12. PubMed PMID: 39667104.
7:
Okamoto Y, Saika T, Okayoshi T, Ishitani T, Wakama H, Otsuki S. Low-constraint insert with a medial pivot design as a potential predictor of favourable outcomes in cruciate-retaining total knee arthroplasty: A propensity score-matched analysis. Knee Surg Sports Traumatol Arthrosc. 2025 Apr;33(4):1397-1408. doi: 10.1002/ksa.12534. Epub 2024 Nov 4. PubMed PMID: 39497410.
8:
Matsuyama J, Okamoto Y, Wakama H, Nakamura K, Saika T, Otsuki S, Neo M. Factors associated with the progression of sagittal spinal deformity after total hip arthroplasty: a propensity score-matched cohort study. Int Orthop. 2024 Aug;48(8):1953-1961. doi: 10.1007/s00264-024-06174-9. Epub 2024 Apr 8. PubMed PMID: 38589707.
9:
Okamoto Y, Wakama H, Matsuyama J, Nakamura K, Saika T, Otsuki S, Neo M. The psoas muscle index as a useful predictor of total hip arthroplasty outcomes. Arch Orthop Trauma Surg. 2024 Apr;144(4):1763-1772. doi: 10.1007/s00402-023-05146-9. Epub 2023 Dec 8. PubMed PMID: 38063880.
10:
Okamoto Y, Wakama H, Matsuyama J, Nakamura K, Saika T, Otsuki S, Neo M. Clinical significance of relative pelvic version measurement as a predictor of low back pain after total hip arthroplasty. Eur Spine J. 2023 Dec;32(12):4452-4463. doi: 10.1007/s00586-023-07956-2. Epub 2023 Oct 1. PubMed PMID: 37779107.