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- DOI 10.18231/j.ijos.2025.023
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CrossMark
- Citation
A prospective study: Short-term clinical assessment of EMPK prosthesis in total knee arthroplasty
- Author Details:
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Sujoy Bhattacharjee *
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Santosh Kumar
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Karthik Murugappan Selvaraj
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Manish Shah
Background: Knee osteoarthritis (OA) is a progressive degenerative joint disease characterized by cartilage degradation and osteophyte formation, leading to chronic pain, reduced mobility, and significant impairment in daily activities. As a primary weight-bearing joint, the knee is particularly susceptible to OA, making it one of the leading causes of disability worldwide.
Methodology: This multicenter clinical study enrolled 150 patients, evaluating a total of 216 knees that underwent total knee arthroplasty (TKA) using the EMPK (EXCEL MEDIAL PIVOTAL KNEE SYSTEM) prosthesis. Clinical outcomes were assessed using validated patient-reported outcome measures (PROMs), including the Knee Society Score (KSS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and Oxford Knee Score (OKS), both preoperatively and at three months postoperatively.
Results: The study cohort had a mean age of 65.7 ± 7.19 years, with a higher proportion of women patients. At three months postoperatively, the mean OKS increased significantly from 13.4 ± 3.5 preoperatively to 26.7 ± 4.2 (p < 0>
Conclusion: The EMPK prosthesis demonstrated significant short-term improvements in knee function, pain relief, and overall quality of life in patients with end-stage knee osteoarthritis. These findings are consistent with existing literature on contemporary TKA systems, reinforcing the efficacy of EMPK as a reliable surgical option. However, ensuring optimal postoperative management, including infection control and implant longevity strategies, remains critical for sustaining long-term clinical benefits.
Keywords: Osteoarthritis, EMPK prosthesis, KSS, WOMAC, OKS.
References
- Damerau A, Rosenow E, Alkhoury D, Buttgereit F, Gaber T. Fibrotic pathways and fibroblast-like synoviocyte phenotypes in osteoarthritis. Front Immunol. 2024;15:1385006.
- Liu T, Xie H, Yan S, Zeng J, Zhang K. Thigh muscle features in female patients with severe knee osteoarthritis: a cross-sectional study. BMC Musculoskeletal Disorders, 2025;26(1):206.
- Aily JB., de Noronha M, Ferrari RJ, Mattiello, SM. Differences in fatty infiltration in thigh muscles and physical function between people with and without knee osteoarthritis and similar body mass index: a cross-sectional study. BMC Musculoskelet Disord. 2025;26(1):109.
- van den Bosch MHJ, Blom AB, van der Kraan PM. Inflammation in osteoarthritis: Our view on its presence and involvement in disease development over the years. Osteoarthritis Cartilage. 2024;32(4):355–64.
- Lisboa VT, Arruda BdPL, Tambascia RdA, Zorzi AR, Cliquet A Jr, de Campos GC. A Complete Functional Characterization of Patients with Severe Knee Osteoarthritis in Need of Total Knee Replacement. J Funct Morphol Kinesiol. 2024;9(4):216.
- Sankar L. Effectiveness of Epsom salt with hot water application on knee joint pain among elderly in a selected rural area at Puducherry. Pondicherry J Nurs. 2019;12(2):42–5.
- Juneja P, Munjal A, Hubbard JB. Anatomy, Joints. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 [updated 2024 Apr 21].
- Zhang H, Yang G, Lu Y. The role of radial head morphology in proximal radioulnar joint congruency during forearm rotation. J Exp Orthop. 2024;11(4):e70059.
- Sosio C, Rossi N, Sirtori P, Ciliberto R, Lombardo MDM, Peretti GM, et al. Clinical and functional outcomes of kinematic aligned total knee arthroplasty with a medial pivot design: Two-year follow- up. J Clin Med. 2023;12(23):7258.
- Xiang S, Wang Y, Lv C, Wang C, Zhang H. Mid-term clinical outcomes and survivorship of medial-pivot total knee arthroplasty- a mean five year follow-up based on one thousand, one hundred and twenty eight cases. Int Orthop. 2021;45(11):2877–83.
- Alessio-Mazzola M, Clemente A, Russo A, Mertens P, Burastero G, Formica M, et al. Clinical radiographic outcomes and survivorship of medial pivot design total knee arthroplasty: a systematic review of the literature. Arch Orthop Trauma Surg. 2022;142(11):3437–48.
- Dabirrahmani D, Farshidfar S, Cadman J, Shahidian H, Kark L, Sullivan J, et al. Biomechanical improvements in gait following medial pivot knee implant surgery. Clin Biomech (Bristol). 2024;116:106267.
- Aneja K, Machaiah PK, Bajwa S, Rudraraju RT. A multicentre retrospective study of the impact of body mass index on clinical and functional outcomes of total knee arthroplasty: An Indian prospective. J Orthop Rep. 2024;3(3):100308.
- Kato M, Warashina H, Mitamura S, Kataoka A. Medial pivot-based total knee arthroplasty achieves better clinical outcomes than posterior-stabilised total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2023;31(3):998–1010.
- Nisar S, Ahmad K, Palan J, Pandit H, van Duren B. Medial stabilised total knee arthroplasty achieves comparable clinical outcomes when compared to other TKA designs: a systematic review and meta- analysis of the current literature. Knee Surg Sports Traumatol Arthrosc. 2022;30(2):638–51.
- Kakoulidis P, Panagiotidou S, Profitiliotis G, Papavasiliou K, Tsiridis E, Topalis C. Medial pivot design does not yield superior results compared to posterior-stabilised total knee arthroplasty: a systematic review and meta-analysis of randomised control trials. Knee Surg Sports Traumatol Arthrosc. 2023;31(9):3684–3700.
- Obada B, Iliescu MG, Costea DO, Petcu L, Popescu AI. Comparative study of outcomes with total knee arthroplasty: medial pivot prosthesis vs posterior stabilized implant. Prospective randomized control. Int Orthop. 2025;49(3):629–39.
- Shi W, Jiang Y, Wang Y, Zhao X, Yu T, Li T. Medial pivot prosthesis has a better functional score and lower complication rate than posterior-stabilized prosthesis: a systematic review and meta- analysis. J Orthop Surg Res. 2022;17(1):395.
How to Cite This Article
Vancouver
Bhattacharjee S, Kumar S, Selvaraj KM, Shah M. A prospective study: Short-term clinical assessment of EMPK prosthesis in total knee arthroplasty [Internet]. Indian J Orthop Surg. 2025 [cited 2025 Oct 23];11(2):118-121. Available from: https://doi.org/10.18231/j.ijos.2025.023
APA
Bhattacharjee, S., Kumar, S., Selvaraj, K. M., Shah, M. (2025). A prospective study: Short-term clinical assessment of EMPK prosthesis in total knee arthroplasty. Indian J Orthop Surg, 11(2), 118-121. https://doi.org/10.18231/j.ijos.2025.023
MLA
Bhattacharjee, Sujoy, Kumar, Santosh, Selvaraj, Karthik Murugappan, Shah, Manish. "A prospective study: Short-term clinical assessment of EMPK prosthesis in total knee arthroplasty." Indian J Orthop Surg, vol. 11, no. 2, 2025, pp. 118-121. https://doi.org/10.18231/j.ijos.2025.023
Chicago
Bhattacharjee, S., Kumar, S., Selvaraj, K. M., Shah, M.. "A prospective study: Short-term clinical assessment of EMPK prosthesis in total knee arthroplasty." Indian J Orthop Surg 11, no. 2 (2025): 118-121. https://doi.org/10.18231/j.ijos.2025.023