Abstract
Total knee arthroplasty has come under increasing scrutiny attributable to the fact that it is a high-volume, high-cost medical intervention in an era of increasingly scarce medical resources. Health-related quality-of-life outcomes have been developed such that healthcare providers might determine how good an intervention is and whether it is cost-effective. Total knee arthroplasty has been subjected to disease-specific, patient-specific, global health, functional capacity, and cost-to-utility outcome measures. Patient satisfaction is high (90%) after total knee arthroplasty and 93% of patients would have this operative procedure again. Large improvements in preoperative to postoperative WOMAC scores occurred (over 39 of 100 points in 82% of patients). Cost-to-quality outcomes demonstrated total knee arthroplasties are extremely cost-effective. This analysis documents total knee arthroplasty is a highly efficacious procedure that competes favorably with all medical and surgical interventions.
Similar content being viewed by others
References
Advisory Council on Health Info Structure. Canada Health Infoway: Pass to Better Health. Health Canada Web site. Available at: http://www.hc-sc.gc.ca/hcs-sss/pubs/ehealth-esante/1999-paths-voies-fin/index-eng.php. Accessed December 4, 2007.
Annual Report of the Ontario Joint Replacement Registry. Guideline for Wait Time Thresholds for Total Hip and Knee Replacement Surgery Based on Severity. Ontario, Canada: Ontario Ministry of Health and Long Term Care; 2005:50.
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 to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee. J Rheumatol. 1988;15:1833–1840.
Binkley JM, Stratford PW, Lott SA, Riddle DL. The Lower Extremity Functional Scale (LEFS): scale development, preassessment properties and clinical application. Phys Ther. 1999;9:371–383.
Bourne RB, DeBoer D, Hawker G, Kreder H, Mahomed N, Paterson JM, Warner S, Williams J. Total hip and knee replacement. In: Access to Health Services in Ontario. Toronto, Ontario: Institute for Clinical Health Services; 2005:91–117.
Bourne RB, Maloney WJ, Wright JG. An AOA critical issue—the outcome of the outcomes movement. J Bone Joint Surg Am. 2004;86:633–640.
Bourne RB, McCalden RW, MacDonald SJ, Mokete L, Guerin J. Influence of patient factors on TKA outcomes at 5 to 11 years follow-up. Clin Orthop Relat Res. 2007;464:27–31.
Bourne RB, Rorabeck CH, Laupacis A, Feeny D, Wong C, Tugwell P, Leslie K, Bullas R. A randomized clinical trial comparing cemented to cementless total hip replacement in 250 osteoarthritic patients: the impact on health related quality of life and cost effectiveness. Iowa Orthop J. 1994;14:108–114.
Brazier J, Janes N, Kind P. Testing the validity of the EuroQol and comparing it with the SF-36 health survey questionnaire. Qual Life Res. 1993;2:169–180.
Burnett RS, Haydon C, Rorabeck CH, Bourne RB. Patella resurfacing versus nonresurfacing in total knee arthroplasty. Results of a randomized controlled clinical trial at a minimum of 10 years followup. Clin Orthop Relat Res. 2004;428:12–25.
Chesworth B, Mahomed N, Bourne RB, Davis A. Willingness to go through surgery again validated the WOMAC clinically important difference from THR/TKR surgery. J Clin Epidemiol. 2008 Feb 14 [Epub ahead of print].
Dawson J, Fitzpatrick R, Murray D, Carr A. Questionnaire on the perceptions of patients about total knee replacement. J Bone Joint Surg Br. 1998;80:63–69.
Dunbar ML, Robertsson J, Ryd L, Lidgren L. Appropriate questionnaires for knee arthroplasty. Results of a survey of 3600 patients from the Swedish Knee Arthroplasty Registry. Acta Orthop Scand. 2000;71:262–267.
Ellwood PM. Shattuck Lecture. Outcomes management. A technology of patient experience. N Engl J Med. 1988;318:1549–1556.
Guyatt GH, Sullivan MJ, Thompson PJ, Fallen EL, Pugsley SO, Taylor DW, Berman LB. The 6-minute walk: a new measure of exercise capacity in patients with chronic heart failure. Can Med Assoc J. 1985;132:919–923.
Hawker G, Wright J, Coyte P, Paul J, Dittus R, Croxford R, Katz B, Bombardier C, Heck S, Frelind D. Health-related quality of life after knee replacement. J Bone Joint Surg Am. 1998;80:163–173.
Irrang JJ, Anderson AF, Boland AL, Harner CD, Kurosaka M, Neyret P, Richmond JC, Shelborne KD. Development and validation of the International Knee Documentation Committee subjective knee form. Am J Sports Med. 2001;29:600–613.
Jaeschke R, Singer J, Guyatt GH. Measurement of health status: ascertaining the minimal clinically important difference. Control Clin Trials. 1989;10:407–415.
Kaper BP, Bourne RB. Total knee replacement is one of the most beneficial procedures both for patients and society. In: Laskin RS, ed. Controversies in Total Knee Replacement. New York, NY: Oxford University Press; 2001:1–20.
Kirshner B, Guyatt G. Methodological framework for assessing health care indices. J Chronic Dis. 1985;38:27–36.
Laupaucis A, Bourne R, Rorabeck C, Feeny D, Wong C, Tugwell P, Leslie K, Bullas R. Costs of elective total hip arthroplasty during the first year. Cemented versus noncemented. J Arthroplasty. 1994;9:481–487.
Laupaucis A, Rorabeck RB, Feeny D, Tugwell P, Sim DA. Randomized trials in orthopaedics: why, how and when? J Bone Joint Surg Am. 1989;71:535–543.
Roos EM, Roos HP, Lohmander LS, Ekdahl C, Beynnon BD. Knee injury and Osteoarthritis Outcome Score (KOOS)—development of a self-administered outcome measure. J Orthop Sports Phys Ther. 1998;28:88–96.
Sackett DL, Rosenberg WN, Gray JA, Hynes RB, Richardson WS. Evidence-based medicine: what it is and what it isn’t. BMJ. 1996;312:71–72.
Sodermann P, Malchau H, Herberts P. Outcome of total hip replacement. A comparison of different measurement methods. Clin Orthop Relat Res. 2001;390:163–172.
Torrance GW. Measurement of health stake utilities for economic appraisal. J Health Econ. 1986;5:1–30.
Tugwell P, Bombardier C, Buchanan WW, Goldsmith CH, Grace E, Hanna B. The MACTAR patient preference disability questionnaire—an individualized functional priority approach for assessing improvement in physical disability in clinical trials in rheumatoid arthritis. J Rheumatol. 1987;14:446–451.
Ware J Jr, Kosinki M, Keller SD. A 12-item Short-Form health survey: construction of scales and preliminary tests of reliability and validity. Med Care. 1996;34:220–233.
Ware J Jr, Sherbourne CD. The MOS 36-item Short-Form health survey (SF-36). I. Conceptual framework and item selection. Med Care. 1992;30:473–483.
Zahini CA, Schmalzried TP, Szuszewicz ES, Amstutz HC. Assessing activity in joint replacement patients. J Arthroplasty. 1998;13:890–895.
Author information
Authors and Affiliations
Corresponding author
Additional information
The author certifies that he has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article.
The author certifies that his institution has approved the human protocol for this investigation, that all investigations were conducted in conformity with ethical principles of research, and that informed consent for participation in the study was obtained.
About this article
Cite this article
Bourne, R.B. Measuring Tools for Functional Outcomes in Total Knee Arthroplasty. Clin Orthop Relat Res 466, 2634–2638 (2008). https://doi.org/10.1007/s11999-008-0468-0
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11999-008-0468-0