Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2024 Aug 29:55:102524.
doi: 10.1016/j.jcot.2024.102524. eCollection 2024 Aug.

Unraveling the gait dynamics - A comparative study of iASSIST and conventional total knee replacement techniques in osteoarthritic elderly patients

Sanket Tanpure  1 , Ashish Phadnis  1 , Taral Nagda  1 , Chasanal Rathod  1 , Rohan Kothurkar  2 , Ajay Chavan  3 , Ramesh Lekurwale  2
Affiliations

Unraveling the gait dynamics - A comparative study of iASSIST and conventional total knee replacement techniques in osteoarthritic elderly patients

Sanket Tanpure et al. J Clin Orthop Trauma. .

Erratum in

Abstract

Background: Osteoarthritis (OA) stands as the most prevalent disability among the elderly population. Assessing functional outcomes after Total Knee Replacement (TKR) typically involves Gait analysis along with other evaluation methods. The objective of this study was to compare Gait results, including temporospatial parameters, joint angles, gait profile score (GPS), and movement analysis profiles (MAP), between conventional and iASSIST TKR techniques.

Method: The study involved 21 participants (mean age 68.4 ± 4.2 years), with 16 females and 5 males. Among them, 11 patients had traditional surgery (15 TKR), and 10 patients had iASSIST surgery (13 TKR), totaling 28 knees (7 bilateral). The pre-operative Gait analysis was conducted one day before the surgical procedure, whereas the postoperative Gait analysis was performed, on average, 210 ± 20 days after surgery. Gait analysis was conducted using the Qualisys Motion capture system, operating at a rate of 120 Hz. The data were thoroughly analyzed using Visual 3D C-Motion Software.

Results: An analysis of gait biomechanics metrics, encompassing temporospatial parameters, joint angles, GPS, and MAP, was undertaken. Significant differences were observed in sagittal plane joint angles of the pelvis and hip, transverse plane joint angles of the knee, cadence, and MAP of foot internal/external rotation. However, there were no statistically significant differences between the two TKR techniques in the remaining temporospatial variables, joint angles, GPS, or MAP.

Conclusion: This study revealed a significant difference between iASSIST-guided TKR and conventional TKR, demonstrating that the iASSIST procedure led to improvements in walking biomechanics. Findings hold potential utility for orthopedic surgeons in their decision-making processes, ultimately contributing to the improvement of functional outcomes following TKR.

Keywords: Conventional TKR; Gait analysis; Gait profile score; Knee; Temporospatial; iASSIST.

PubMed Disclaimer

Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Fig. 1
Fig. 1
The figure depicts three parts: a) marker placement by cast (6dof) model-marker set for kinematic data collection, b) kinematic data in the sagittal plane, and c) kinematic data in the coronal plane.
Fig. 2
Fig. 2
Comparative joint kinematics in a) sagittal plane of the hip joint, b) transverse plane of the hip joint, c) coronal plane of the knee joint, and d) transverse plane of the knee joint for the gait cycle in iASSIST and conventional TKR groups.
See this image and copyright information in PMC

References

    1. Wilkie R., Hay E.M., Croft P., Pransky G. Exploring how pain leads to productivity loss in primary care consulters for osteoarthritis: a prospective cohort study. PLoS One. 2015;10(4) doi: 10.1371/JOURNAL.PONE.0120042. - DOI - PMC - PubMed
    1. Funck-Brentano T., Nethander M., Movérare-Skrtic S., Richette P., Ohlsson C. Causal factors for knee, hip, and hand osteoarthritis: a mendelian randomization study in the UK biobank. Arthritis Rheumatol. 2019;71(10):1634–1641. doi: 10.1002/ART.40928. - DOI - PMC - PubMed
    1. Khlopas H., Ohliger E., Sultan A.A., et al. Current concepts in osteoarthritis of the ankle: review. Surg Technol Int. 2019;35:280–294. https://europepmc.org/article/med/31237341 - PubMed
    1. Diduch D.R., Insall J.N., Scott W.N., Scuderi G.R., Font-Rodriguez D. Total knee replacement in young, active patients. Long-term follow-up and functional outcome. J Bone Joint Surg Am. 1997;79(4):575–582. doi: 10.2106/00004623-199704000-00015. - DOI - PubMed
    1. Ritter M.A., Keating E.M., Sueyoshi T., Davis K.E., Barrington J.W., Emerson R.H. Twenty-five-years and greater, results after nonmodular cemented total knee arthroplasty. J Arthroplasty. 2016;31(10):2199–2202. doi: 10.1016/J.ARTH.2016.01.043. - DOI - PubMed

LinkOut - more resources