Functional Outcomes After Total Knee or Hip Arthroplasty
Abstract
Introduction: Total knee arthroplasty (TKA) and total hip arthroplasty (THA) are effective surgical interventions for end-stage osteoarthritis and other degenerative joint diseases. While pain relief is well established, assessment of functional outcomes and quality of life postoperatively remains critical for evaluating overall success. This study aimed to assess functional outcomes in patients undergoing primary or revision total knee or hip arthroplasty. Methods: This prospective observational study was conducted in the Department of Orthopaedics, Burdwan Medical College & Hospital, from June 2023 to June 2024, including 40 adult patients undergoing primary or revision total knee arthroplasty (TKA) or total hip arthroplasty (THA). Patients were evaluated for demographic variables such as age, gender, and BMI, along with comorbidities. Clinical outcomes were assessed using validated functional scores (WOMAC, KSS for TKA; HOOS for THA), pain scores (VAS), range of motion (ROM), and objective performance tests (6-minute walk test and Timed Up & Go test). Postoperative complications were recorded and analyzed. Data were collected systematically and subjected to appropriate statistical analysis to evaluate functional outcomes, pain relief, and complication rates following arthroplasty. Results: This study of 40 patients (20 TKA, 20 THA) demonstrated significant postoperative improvements in pain, function, and mobility with both procedures. TKA patients showed reductions in WOMAC (58.6 to 23.4) and gains in KSS (45.7 to 85.2), while THA patients improved in HOOS (55.3 to 20.7) (all p < 0.001). ROM, VAS, 6-minute walk distance, and TUG time improved significantly in both groups, with no significant difference in complication rates (3 cases each). Pearson's correlation confirmed a strong negative association between pain reduction and functional improvement (TKA: r = -0.65, p = 0.002; THA: r = -0.58, p = 0.006). Conclusion: Total knee and hip arthroplasty provide significant improvement in pain relief and functional outcomes. Early postoperative rehabilitation and careful patient selection contribute to favorable results. These procedures demonstrate high efficacy and safety, significantly enhancing the quality of life in patients with degenerative joint disease.Keywords:
Total Knee Arthroplasty, Total Hip Arthroplasty, Functional Outcome, Knee Society Score, Harris Hip Score, Pain ReliefReferences
1. Woolf AD, Pfleger B. Burden of major musculoskeletal conditions. Bull World Health Organ. 2003;81(9):646-56.
2. Luna IE, Kehlet H, Peterson B, Wede HR, Hoevsgaard SJ, Aasvang EK. Early patient-reported outcomes versus objective function after total hip and knee arthroplasty. Bone Joint J. 2017;99-B(9):1167–75.
3. Mark-Christensen T, Kehlet H. Assessment of functional recovery after total hip and knee arthroplasty: An observational study of 95 patients. Musculoskelet Care. 2019;17(4):300-12.
4. Bandholm T, Wainwright TW, Kehlet H. Rehabilitation strategies for optimization of functional recovery after major joint replacement. J Exp Orthop. 2018;5(1):1-4.
5. SooHoo NF, Vyas RM, Samimi DB, Molina R, Lieberman JR. Comparison of the responsiveness of the SF-36 and WOMAC in patients undergoing total hip arthroplasty. J Arthroplasty. 2002;17(5):591-6.
6. Söderman P, Malchau H, Herberts P. Outcome of total hip replacement: a comparison of different measurement methods. Clin Orthop Relat Res. 2001;(390):163–72.
7. Gandhi R, Davey JR, Mahomed NN. Patient expectations predict greater pain relief with joint arthroplasty. BMC Musculoskelet Disord. 2009;10:1-6.
8. Ritter MA, Meding JB, Berend ME, Keating EM, Faris PM, Crites BM. Postoperative alignment of total knee replacement: its effect on survival. Clin Orthop Relat Res. 1994;299:153-6.
9. Bellamy N, Buchanan WW, Goldsmith CH, Campbell J, Stitt LW. Validation study of WOMAC: a health status instrument for measuring clinically important patient-relevant outcomes following total hip or knee arthroplasty in osteoarthritis. J Orthop Rheumatol. 1988;1:95-108.
10. Fortin PR, Clarke AE, Joseph L, Liang MH, Tanzer M, Ferland D, et al. Outcomes of total hip and knee replacement: preoperative functional status predicts outcomes at six months after surgery. Arthritis Rheum. 1999;42(8):1722-8.
11. Rand JA, Ilstrup DM. Survivorship analysis of total knee arthroplasty. Cumulative rates of survival of 9200 total knee replacements. J Bone Joint Surg Am. 1991;73(3):397-409.
12. Harris WH. Traumatic arthritis of the hip after dislocation and acetabular fractures: treatment by mold arthroplasty. An end-result study using a new method of result evaluation. J Bone Joint Surg Am. 1969;51(4):737-55.
13. Insall JN, Dorr LD, Scott RD, Scott WN. Rationale of the Knee Society clinical rating system. Clin Orthop Relat Res. 1989;(248):13-4.
14. Jones CA, Voaklander DC, Johnston DW, Suarez-Almazor ME. Health related quality of life outcomes after total hip and knee arthroplasties in a community-based population. J Rheumatol. 2000;27(7):1745-52.
15. Franklin J, Robertsson O, Dieppe P, et al. Revision rates after primary hip and knee replacement: cumulative results from worldwide joint register datasets. J Bone Joint Surg Br. 2010;92(3):441-5.
16. Singh JA, Lewallen DG. Predictors of activity limitation and dependence on walking aids after primary total hip arthroplasty. J Am Geriatr Soc. 2010;58(12):2387-93.
17. Ethgen O, Bruyère O, Richy F, Dardennes C, Reginster JY. Health-related quality of life in total hip and total knee arthroplasty. A qualitative and systematic review of the literature. J Bone Joint Surg Am. 2004;86(5):963-74.
18. Nilsdotter AK, Petersson IF, Roos EM, Lohmander LS. Predictors of patient relevant outcome after total hip replacement for osteoarthritis: a prospective study. Ann Rheum Dis. 2003;62(10):923-30.
19. March LM, Cross MJ, Lapsley HM, Brnabic AJ, Tribe KL, Bachmeier CJ, et al. Outcomes after hip or knee replacement surgery for osteoarthritis: a prospective cohort study comparing patients' quality of life before and after surgery with age-related population norms. Med J Aust. 1999;171(5):235-8.
20. Brander VA, Stulberg SD, Adams AD, Harden RN, Bruehl S, Stanos SP, et al. Predicting total knee replacement pain: a prospective, observational study. Clin Orthop Relat Res. 2003;(416):27-36.
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