Computer-assisted total knee arthroplasty is currently of no proven clinical benefit: A systematic review knee

Clinical Orthopaedics and Related Research

Volumn 471, Issue 1, 2013, Pages 264-276

  Burnett, R Stephen J ^a   Barrack, Robert L ^b  

^a UNIVERSITY OF VICTORIA   (Canada)

^b WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY; BIOTECHNOLOGY; CLINICAL RESEARCH; COMPONENT ROTATION; COMPUTER ASSISTED TOTAL KNEE ARTHROPLASTY; CONFERENCE PAPER; CORONAL PLANE ALIGNMENT; COST EFFECTIVENESS ANALYSIS; HEALTH CARE COST; HUMAN; INTERMETHOD COMPARISON; JOINT STABILITY; KNEE FUNCTION; MUSCULOSKELETAL SYSTEM PARAMETERS; OPERATION DURATION; PATIENT SATISFACTION; POSTOPERATIVE COMPLICATION; PRIORITY JOURNAL; SCORING SYSTEM; SURGICAL TECHNIQUE; SYSTEMATIC REVIEW; TOTAL KNEE REPLACEMENT; TREATMENT OUTCOME;

EID: 84871622033     PISSN: 0009921X     EISSN: 15281132     Source Type: Journal    
DOI: 10.1007/s11999-012-2528-8     Document Type: Conference Paper

References (129)

1. Alan RK, Shin MS, Tria AJ Jr. Initial experience with electromagnetic navigation in total knee arthroplasty: a radiographic comparative study. J Knee Surg. 2007;20:152-157.
2. Australian Orthopaedic Association National Joint Replacement Registry. Computer Assisted Surgery in Primary Total Knee Replacement Between 2006 and 2008. Adelaide, Australia: AOA NJRR; 2010.
3. Babazadeh S, Dowsey MM, Swan JD, Stoney JD, Choong PF. Joint line position correlates with function after primary total knee replacement: a randomised controlled trial comparing conventional and computer-assisted surgery. J Bone Joint Surg Br. 2011;93:1223-1231.
4. Barrack RL, Barnes CL, Burnett RS, Miller D, Clohisy JC, Maloney WJ. Minimal incision surgery as a risk factor for early failure of total knee arthroplasty. J Arthroplasty. 2009;24:489-498.
5. Barrack RL, Schrader T, Bertot AJ, Wolfe MW, Myers L. Component rotation and anterior knee pain after total knee arthroplasty. Clin Orthop Relat Res. 2001;392:46-55.
6. Barrett WP, Mason JB, Moskal JT, Dalury DF, Oliashirazi A, Fisher DA. Comparison of radiographic alignment of imageless computer-assisted surgery vs conventional instrumentation in primary total knee arthroplasty. J Arthroplasty. 2011;26:1273-1284.e1271.
7. Bathis H, Perlick L, Tingart M, Luring C, Grifka J. CT-free computer-assisted total knee arthroplasty versus the conventional technique: radiographic results of 100 cases. Orthopedics. 2004;27:476-480.
8. Bathis H, Perlick L, Tingart M, Luring C, Perlick C, Grifka J. Radiological results of image-based and non-image-based computer-assisted total knee arthroplasty. Int Orthop. 2004;28:87-90.
9. Bathis H, Perlick L, Tingart M, Luring C, Zurakowski D, Grifka J. Alignment in total knee arthroplasty. A comparison of computer-assisted surgery with the conventional technique. J Bone Joint Surg Br. 2004;86:682-687.
10. Bauwens K, Matthes G, Wich M, Gebhard F, Hanson B, Ekkernkamp A, Stengel D. Navigated total knee replacement. A meta-analysis. J Bone Joint Surg Am. 2007;89:261-269.
11. Bejek Z, Solyom L, Szendroi M. Experiences with computer navigated total knee arthroplasty. Int Orthop. 2007;31:617-622.
12. Beldame J, Boisrenoult P, Beaufils P. Pin track induced fractures around computer-assisted TKA. Orthop Traumatol Surg Res. 2010;96:249-255.
13. Bellemans J, Colyn W, Vandenneucker H, Victor J. The Chitranjan Ranawat award: is neutral mechanical alignment normal for all patients? The concept of constitutional varus. Clin Orthop Relat Res. 2012;470:45-53.
14. Berend ME, Ritter MA, Meding JB, Faris PM, Keating EM, Redelman R, Faris GW, Davis KE. Tibial component failure mechanisms in total knee arthroplasty. Clin Orthop Relat Res. 2004;428:26-34.
15. Berger RA, Crossett LS, Jacobs JJ, Rubash HE. Malrotation causing patellofemoral complications after total knee arthroplasty. Clin Orthop Relat Res. 1998;356:144-153.
16. Blakeney WG, Khan RJ, Wall SJ. Computer-assisted techniques versus conventional guides for component alignment in total knee arthroplasty: a randomized controlled trial. J Bone Joint Surg Am. 2011;93:1377-1384.
17. Bohling U, Schamberger H, Grittner U, Scholz J. Computerised and technical navigation in total knee arthroplasty. J Orthop Traumatol. 2005;6:69-75.
18. Bolognesi M, Hofmann A. Computer navigation versus standard instrumentation for TKA: a single-surgeon experience. Clin Orthop Relat Res. 2005;440:162-169.
19. Bonutti P, Dethmers D, Stiehl JB. Case report: femoral shaft fracture resulting from femoral tracker placement in navigated TKA. Clin Orthop Relat Res. 2008;466:1499-1502.
20. Bonutti PM, Dethmers D, Ulrich SD, Seyler TM, Mont MA. Computer navigation-assisted versus minimally invasive TKA: benefits and drawbacks. Clin Orthop Relat Res. 2008;466:2756-2762.
21. Bonutti PM, Dethmers DA, McGrath MS, Ulrich SD, Mont MA. Navigation did not improve the precision of minimally invasive knee arthroplasty. Clin Orthop Relat Res. 2008;466:2730-2735.
22. Bottros J, Klika AK, Lee HH, Polousky J, Barsoum WK. The use of navigation in total knee arthroplasty for patients with extra-articular deformity. J Arthroplasty. 2008;23:74-78.
23. Brin YS, Nikolaou VS, Joseph L, Zukor DJ, Antoniou J. Imageless computer assisted versus conventional total knee replacement. A Bayesian meta-analysis of 23 comparative studies. Int Orthop. 2011;35:331-339.
24. Chauhan SK, Scott RG, Breidahl W, Beaver RJ. Computer-assisted knee arthroplasty versus a conventional jig-based technique. A randomised, prospective trial. J Bone Joint Surg Br. 2004;86:372-377.
25. Cheng T, Zhang G, Zhang X. Clinical and radiographic outcomes of image-based computer-assisted total knee arthroplasty: an evidence-based evaluation. Surg Innov. 2011;18:15-20.
26. Cheung KW, Chiu KH. Imageless computer navigation in total knee arthroplasty. Hong Kong Med J. 2009;15:353-358.
27. Chin PL, Yang KY, Yeo SJ, Lo NN. Randomized control trial comparing radiographic total knee arthroplasty implant placement using computer navigation versus conventional technique. J Arthroplasty. 2005;20:618-626.
28. Choi WC, Lee S, An JH, Kim D, Seong SC, Lee MC. Plain radiograph fails to reflect the alignment and advantages of navigation in total knee arthroplasty. J Arthroplasty. 2011;26:756-764.
29. Choong PF, Dowsey MM, Stoney JD. Does accurate anatomical alignment result in better function and quality of life? Comparing conventional and computer-assisted total knee arthroplasty. J Arthroplasty. 2009;24:560-569.
30. Chung BJ, Kang YG, Chang CB, Kim SJ, Kim TK. Differences between sagittal femoral mechanical and distal reference axes should be considered in navigated TKA. Clin Orthop Relat Res. 2009;467:2403-2413.
31. Church JS, Scadden JE, Gupta RR, Cokis C, Williams KA, Janes GC. Embolic phenomena during computer-assisted and conventional total knee replacement. J Bone Joint Surg Br. 2007;89:481-485.
32. Czurda T, Fennema P, Baumgartner M, Ritschl P. The association between component malalignment and post-operative pain following navigation-assisted total knee arthroplasty: results of a cohort/nested case-control study. Knee Surg Sports Traumatol Arthrosc. 2010;18:863-869.
33. Decking R, Markmann Y, Fuchs J, Puhl W, Scharf HP. Leg axis after computer-navigated total knee arthroplasty: a prospective randomized trial comparing computer-navigated and manual implantation. J Arthroplasty. 2005;20:282-288.
34. Delp SL, Stulberg SD, Davies B, Picard F, Leitner F. Computer assisted knee replacement. Clin Orthop Relat Res. 1998;354:49-56.
35. Dong H, Buxton M. Early assessment of the likely cost-effectiveness of a new technology: a Markov model with probabilistic sensitivity analysis of computer-assisted total knee replacement. Int J Technol Assess Health Care. 2006;22:191-202.
36. Ensini A, Catani F, Leardini A, Romagnoli M, Giannini S. Alignments and clinical results in conventional and navigated total knee arthroplasty. Clin Orthop Relat Res. 2007;457:156-162.
37. Figgie HE 3rd, Goldberg VM, Heiple KG, Moller HS 3rd, Gordon NH. The influence of tibial-patellofemoral location on function of the knee in patients with the posterior stabilized condylar knee prosthesis. J Bone Joint Surg Am. 1986;68:1035-1040.
38. Gothesen O. Norwegian register shows inferior 2-year results for computer-navigated TKR. Orthopedics Today. 2011;May:24-25.
39. Gothesen O, Espehaug B, Havelin L, Petursson G, Furnes O. Short-term outcome of 1,465 computer-navigated primary total knee replacements 2005-2008. Acta Orthop. 2011;82:293-300.
40. Graham DJ, Harvie P, Sloan K, Beaver RJ. Morbidity of navigated vs conventional total knee arthroplasty: a retrospective review of 327 cases. J Arthroplasty. 2011;26:1224-1227.
41. Haaker RG, Stockheim M, Kamp M, Proff G, Breitenfelder J, Ottersbach A. Computer-assisted navigation increases precision of component placement in total knee arthroplasty. Clin Orthop Relat Res. 2005;433:152-159.
42. Harvie P, Sloan K, Beaver RJ. Computer navigation vs conventional total knee arthroplasty five-year functional results of a prospective randomized trial. J Arthroplasty. 2011 Sep 27 [Epub ahead of print].
43. Haytmanek CT, Pour AE, Restrepo C, Nikhil J, Parvizi J, Hozack WJ. Cognition following computer-assisted total knee arthroplasty: a prospective cohort study. J Bone Joint Surg Am. 2010;92:92-97.
44. Hernandez-Vaquero D, Suarez-Vazquez A. Complications of fixed infrared emitters in computer-assisted total knee arthroplasties. BMC Musculoskelet Disord. 2007;8:71.
45. Hernandez-Vaquero D, Suarez-Vazquez A, Iglesias-Fernandez S. Can computer assistance improve the clinical and functional scores in total knee arthroplasty? Clin Orthop Relat Res. 2011;469:3436-3442.
46. Hernandez-Vaquero D, Suarez-Vazquez A, Sandoval-Garcia MA, Noriega-Fernandez A. Computer assistance increases precision of component placement in total knee arthroplasty with articular deformity. Clin Orthop Relat Res. 2010;468:1237-1241.
47. Hiscox CM, Bohm ER, Turgeon TR, Hedden DR, Burnell CD. Randomized trial of computer-assisted knee arthroplasty: impact on clinical and radiographic outcomes. J Arthroplasty. 2011;26:1259-1264.
48. Hoffart HE, Langenstein E, Vasak N. A prospective study comparing the patient functional knee scores of computer-assisted and conventional total knee replacement. J Bone Joint Surg Br. 2010;94:194-194.
49. Hoke D, Jafari SM, Orozco F, Ong A. Tibial shaft stress fractures resulting from placement of navigation tracker pins. J Arthroplasty. 2011;26:504.e505-508.
50. Ishida K, Matsumoto T, Tsumura N, Kubo S, Kitagawa A, Chin T, Iguchi T, Kurosaka M, Kuroda R. Mid-term outcomes of computer-assisted total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2011;19:1107-1112.
51. Jeffery RS, Morris RW, Denham RA. Coronal alignment after total knee replacement. J Bone Joint Surg Br. 1991;73:709-714.
52. Jenny JY, Boeri C. Computer-assisted implantation of total knee prostheses: a case-control comparative study with classical instrumentation. Comput Aided Surg. 2001;6:217-220.
53. Jung HJ, Jung YB, Song KS, Park SJ, Lee JS. Fractures associated with computer-navigated total knee arthroplasty. A report of two cases. J Bone Joint Surg Am. 2007;89:2280-2284.
54. Jung KA, Lee SC, Ahn NK, Song MB, Nam CH, Shon OJ. Delayed femoral fracture through a tracker pin site after navigated total knee arthroplasty. J Arthroplasty. 2011;26:505.e509-505.e511.
55. Jung YB, Lee HJ, Jung HJ, Song KS, Lee JS, Yang JJ. Comparison of the radiological results between fluoroscopy-assisted and navigation-guided total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2009;17:286-292.
56. Kalairajah Y, Cossey AJ, Verrall GM, Ludbrook G, Spriggins AJ. Are systemic emboli reduced in computer-assisted knee surgery? A prospective, randomised, clinical trial. J Bone Joint Surg Br. 2006;88:198-202.
57. Kamat YD, Aurakzai KM, Adhikari AR, Matthews D, Kalairajah Y, Field RE. Does computer navigation in total knee arthroplasty improve patient outcome at midterm follow-up? Int Orthop. 2009;33:1567-1570.
58. Katz JN, Barrett J, Mahomed NN, Baron JA, Wright RJ, Losina E. Association between hospital and surgeon procedure volume and the outcomes of total knee replacement. J Bone Joint Surg Am. 2004;86:1909-1916.
59. Kim K, Kim YH, Park WM, Rhyu KH. Stress concentration near pin holes associated with fracture risk after computer navigated total knee arthroplasty. Comput Aided Surg. 2010;15:98-103.
60. Kim SJ, MacDonald M, Hernandez J, Wixson RL. Computer assisted navigation in total knee arthroplasty: improved coronal alignment. J Arthroplasty. 2005;20(Suppl 3):123-131.
61. Kim YH, Kim JS, Choi Y, Kwon OR. Computer-assisted surgical navigation does not improve the alignment and orientation of the components in total knee arthroplasty. J Bone Joint Surg Am. 2009;91:14-19.
62. Kim YH, Kim JS, Hong KS, Kim YJ, Kim JH. Prevalence of fat embolism after total knee arthroplasty performed with or without computer navigation. J Bone Joint Surg Am. 2008;90:123-128.
63. Kim YH, Kim JS, Yoon SH. Alignment and orientation of the components in total knee replacement with and without navigation support: a prospective, randomised study. J Bone Joint Surg Br. 2007;89:471-476.
64. Klein GR, Austin MS, Smith EB, Hozack WJ. Total knee arthroplasty using computer-assisted navigation in patients with deformities of the femur and tibia. J Arthroplasty. 2006;21:284-288.
65. Kumar PJ, Dorr LD. Severe malalignment and soft-tissue imbalance in total knee arthroplasty. Am J Knee Surg. 1997;10:36-41.
66. Laskin RS, Beksac B. Computer-assisted navigation in TKA: where we are and where we are going. Clin Orthop Relat Res. 2006;452:127-131.
67. Lee DH, Padhy D, Lee SH, Nha KW, Park JH, Han SB. Osteoporosis affects component positioning in computer navigation-assisted total knee arthroplasty. Knee. 2011 Apr 27 [Epub ahead of print].
68. Li CH, Chen TH, Su YP, Shao PC, Lee KS, Chen WM. Periprosthetic femoral supracondylar fracture after total knee arthroplasty with navigation system. J Arthroplasty. 2008;23:304-307.
69. Longstaff LM, Sloan K, Stamp N, Scaddan M, Beaver R. Good alignment after total knee arthroplasty leads to faster rehabilitation and better function. J Arthroplasty. 2009;24:570-578.
70. Lutzner J, Gunther KP, Kirschner S. Functional outcome after computer-assisted versus conventional total knee arthroplasty: a randomized controlled study. Knee Surg Sports Traumatol Arthrosc. 2010;18:1339-1344.
71. Lutzner J, Krummenauer F, Wolf C, Gunther KP, Kirschner S. Computer-assisted and conventional total knee replacement: a comparative, prospective, randomised study with radiological and CT evaluation. J Bone Joint Surg Br. 2008;90:1039-1044.
72. Macule-Beneyto F, Hernandez-Vaquero D, Segur-Vilalta JM, Colomina-Rodriguez R, Hinarejos-Gomez P, Garcia-Forcada I, Seral Garcia B. Navigation in total knee arthroplasty. A multicenter study. Int Orthop. 2006;30:536-540.
73. Mahaluxmivala J, Bankes MJ, Nicolai P, Aldam CH, Allen PW. The effect of surgeon experience on component positioning in 673 Press Fit Condylar posterior cruciate-sacrificing total knee arthroplasties. J Arthroplasty. 2001;16:635-640.
74. Manley M, Ong K, Lau E, Kurtz SM. Total knee arthroplasty survivorship in the United States Medicare population: effect of hospital and surgeon procedure volume. J Arthroplasty. 2009;24:1061-1067.
75. Manzotti A, Cerveri P, De Momi E, Pullen C, Confalonieri N. Relationship between cutting errors and learning curve in computer-assisted total knee replacement. Int Orthop. 2010;34:655-662.
76. Manzotti A, Confalonieri N, Pullen C. Intra-operative tibial fracture during computer assisted total knee replacement: a case report. Knee Surg Sports Traumatol Arthrosc. 2008;16:493-496.
77. Marchant DC, Rimmington DP, Nusem I, Crawford RW. Safe femoral pin placement in knee navigation surgery: a cadaver study. Comput Aided Surg. 2004;9:257-260.
78. Mason JB, Fehring TK, Estok R, Banel D, Fahrbach K. Meta-analysis of alignment outcomes in computer-assisted total knee arthroplasty surgery. J Arthroplasty. 2007;22:1097-1106.
79. Matsumoto T, Tsumura N, Kurosaka M, Muratsu H, Yoshiya S, Kuroda R. Clinical values in computer-assisted total knee arthroplasty. Orthopedics. 2006;29:1115-1120.
80. Matziolis G, Krocker D, Weiss U, Tohtz S, Perka C. A prospective, randomized study of computer-assisted and conventional total knee arthroplasty. Three-dimensional evaluation of implant alignment and rotation. J Bone Joint Surg Am. 2007;89:236-243.
81. Millar NL, Deakin AH, Millar LL, Kinnimonth AW, Picard F. Blood loss following total knee replacement in the morbidly obese: effects of computer navigation. Knee. 2011;18:108-112.
82. Minoda Y, Kobayashi A, Iwaki H, Mitsuhiko I, Kadoya Y, Ohashi H, Takaoka K, Nakamura H. The risk of notching the anterior femoral cortex with the use of navigation systems in total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2010;18:718-722.
83. Mizu-uchi H, Matsuda S, Miura H, Okazaki K, Akasaki Y, Iwamoto Y. The evaluation of post-operative alignment in total knee replacement using a CT-based navigation system. J Bone Joint Surg Br. 2008;90:1025-1031.
84. Molfetta L, Caldo D. Computer navigation versus conventional implantation for varus knee total arthroplasty: a case-control study at 5 years follow-up. Knee. 2008;15:75-79.
85. Mombert M, Van Den Daelen L, Gunst P, Missinne L. Navigated total knee arthroplasty: a radiological analysis of 42 randomised cases. Acta Orthop Belg. 2007;73:49-54.
86. Morawa LG, Manley MT, Edidin AA, Reilly DT. Transesophageal echocardiographic monitored events during total knee arthroplasty. Clin Orthop Relat Res. 1996;331:192-198.
87. National Joint Registry for England and Wales 6th Annual Report. Hemel, Hempstead, UK: NJR Centre; 2009:72.
88. Novak EJ, Silverstein MD, Bozic KJ. The cost-effectiveness of computer-assisted navigation in total knee arthroplasty. J Bone Joint Surg Am. 2007;89:2389-2397.
89. Novicoff WM, Saleh KJ, Mihalko WM, Wang XQ, Knaebel HP. Primary total knee arthroplasty: a comparison of computer-assisted and manual techniques. Instr Course Lect. 2010;59:109-17.
90. O'Connor MI, Brodersen MP, Feinglass NG, Leone BJ, Crook JE, Switzer BE. Fat emboli in total knee arthroplasty: a prospective randomized study of computer-assisted navigation vs standard surgical technique. J Arthroplasty. 2010;25:1034-1040.
91. Oberst M, Bertsch C, Wurstlin S, Holz U. [CT analysis of leg alignment after conventional vs. navigated knee prosthesis implantation. Initial results of a controlled, prospective and randomized study] [in German]. Unfallchirurg. 2003;106:941-948.
92. Ohmann C, Verde PE, Blum K, Fischer B, de Cruppé W, Geraedts M. Two short-term outcomes after instituting a national regulation regarding minimum procedural volumes for total knee replacement. J Bone Joint Surg Am. 2010;92:629-638.
93. Ooi LH, Lo NN, Yeo SJ, Ong BC, Ding ZP, Lefi A. Does computer-assisted surgical navigation total knee arthroplasty reduce venous thromboembolism compared with conventional total knee arthroplasty? Singapore Med J. 2008;49:610-614.
94. Ossendorf C, Fuchs B, Koch P. Femoral stress fracture after computer navigated total knee arthroplasty. Knee. 2006;13:397-399.
95. Parratte S, Pagnano MW, Trousdale RT, Berry DJ. Effect of postoperative mechanical axis alignment on the fifteen-year survival of modern, cemented total knee replacements. J Bone Joint Surg Am. 2010;92:2143-2149.
96. Partington PF, Sawhney J, Rorabeck CH, Barrack RL, Moore J. Joint line restoration after revision total knee arthroplasty. Clin Orthop Relat Res. 1999;367:165-171.
97. Perlick L, Bathis H, Tingart M, Perlick C, Grifka J. Navigation in total-knee arthroplasty: CT-based implantation compared with the conventional technique. Acta Orthop Scand. 2004;75:464-470.
98. Rand JA, Coventry MB. Ten-year evaluation of geometric total knee arthroplasty. Clin Orthop Relat Res. 1988;232:168-173.
99. Rauh MA, Boyle J, Mihalko WM, Phillips MJ, Bayers-Thering M, Krackow KA. Reliability of measuring long-standing lower extremity radiographs. Orthopedics. 2007;30:299-303.
100. Restrepo C, Hozack WJ, Orozco F, Parvizi J. Accuracy of femoral rotational alignment in total knee arthroplasty using computer assisted navigation. Comput Aided Surg. 2008;13:167-172.
101. Ritter MA, Faris PM, Keating EM, Meding JB. Postoperative alignment of total knee replacement. Its effect on survival. Clin Orthop Relat Res. 1994;299:153-156.
102. Robertsson O, Dunbar M, Pehrsson T, Knutson K, Lidgren L. Patient satisfaction after knee arthroplasty: a report on 27,372 knees operated on between 1981 and 1995 in Sweden. Acta Orthop Scand. 2000;71:262-267.
103. Schmitt J, Hauk C, Kienapfel H, Pfeiffer M, Efe T, Fuchs-Winkelmann S, Heyse TJ. Navigation of total knee arthroplasty: rotation of components and clinical results in a prospectively randomized study. BMC Musculoskelet Disord. 2011;12:16.
104. Schnurr C, Csecsei G, Eysel P, Konig DP. The effect of computer navigation on blood loss and transfusion rate in TKA. Orthopedics. 2010;33:474.
105. Seon JK, Song EK. Navigation-assisted less invasive total knee arthroplasty compared with conventional total knee arthroplasty: a randomized prospective trial. J Arthroplasty. 2006;21:777-782.
106. Seon JK, Song EK, Yoon TR, Park SJ, Bae BH, Cho SG. Comparison of functional results with navigation-assisted minimally invasive and conventional techniques in bilateral total knee arthroplasty. Comput Aided Surg. 2007;12:189-193.
107. Seon JK, Song EK, Yoon TR, Seo HY, Cho SG. Tibial plateau stress fracture after unicondylar knee arthroplasty using a navigation system: two case reports. Knee Surg Sports Traumatol Arthrosc. 2007;15:67-70.
108. Sharkey PF, Hozack WJ, Rothman RH, Shastri S, Jacoby SM. Insall Award paper. Why are total knee arthroplasties failing today? Clin Orthop Relat Res. 2002;404:7-13.
109. Sikorski JM. Alignment in total knee replacement. J Bone Joint Surg Br. 2008;90:1121-1127.
110. Sikorski JM, Blythe MC. Learning the vagaries of computer-assisted total knee replacement. J Bone Joint Surg Br. 2005;87:903-910.
111. Song EK, Seon JK, Yoon TR, Park SJ, Cho SG, Yim JH. Comparative study of stability after total knee arthroplasties between navigation system and conventional techniques. J Arthroplasty. 2007;22:1107-1111.
112. Sparmann M, Wolke B, Czupalla H, Banzer D, Zink A. Positioning of total knee arthroplasty with and without navigation support. A prospective, randomised study. J Bone Joint Surg Br. 2003;85:830-835.
113. Spencer JM, Chauhan SK, Sloan K, Taylor A, Beaver RJ. Computer navigation versus conventional total knee replacement: no difference in functional results at two years. J Bone Joint Surg Br. 2007;89:477-480.
114. Stiehl JB, Jackson S, Szabo A. Multi-factorial analysis of time efficiency in total knee arthroplasty. Comput Aided Surg. 2009;14:58-62.
115. Stockl B, Nogler M, Rosiek R, Fischer M, Krismer M, Kessler O. Navigation improves accuracy of rotational alignment in total knee arthroplasty. Clin Orthop Relat Res. 2004;426:180-186.
116. Stulberg SD, Loan P, Sarin V. Computer-assisted navigation in total knee replacement: results of an initial experience in thirty-five patients. J Bone Joint Surg Am. 2002;84(Suppl 2):90-98.
117. Stulberg SD, Yaffe MA, Koo SS. Computer-assisted surgery versus manual total knee arthroplasty: a case-controlled study. J Bone Joint Surg Am. 2006;88(Suppl 4):47-54.
118. Tew M, Waugh W. Estimating the survival time of knee replacement. J Bone Joint Surg Br. 1982;64:579-582.
119. van der Linden-van der Zwaag HM, Bos J, van der Heide HJ, Nelissen RG. A computed tomography based study on rotational alignment accuracy of the femoral component in total knee arthroplasty using computer-assisted orthopaedic surgery. Int Orthop. 2011;35:845-850.
120. Victor J, Hoste D. Image-based computer-assisted total knee arthroplasty leads to lower variability in coronal alignment. Clin Orthop Relat Res. 2004;428:131-139.
121. Wasielewski RC, Galante JO, Leighty RM, Natarajan RN, Rosenberg AG. Wear patterns on retrieved polyethylene tibial inserts and their relationship to technical considerations during total knee arthroplasty. Clin Orthop Relat Res. 1994;299:31-43.
122. Watters TS, Mather RC 3rd, Browne JA, Berend KR, Lombardi AV Jr, Bolognesi MP. Analysis of procedure-related costs and proposed benefits of using patient-specific approach in total knee arthroplasty. J Surg Orthop Adv. 2011;20:112-116.
123. Weng YJ, Hsu RW, Hsu WH. Comparison of computer-assisted navigation and conventional instrumentation for bilateral total knee arthroplasty. J Arthroplasty. 2009;24:668-673.
124. Wysocki RW, Sheinkop MB, Virkus WW, Della Valle CJ. Femoral fracture through a previous pin site after computer-assisted total knee arthroplasty. J Arthroplasty. 2008;23:462-465.
125. Yaffe MA, Koo SS, Stulberg SD. Radiographic and navigation measurements of TKA limb alignment do not correlate. Clin Orthop Relat Res. 2008;466:2736-2744.
126. Yang JH, Seo JG, Moon YW, Kim MH. Joint line changes after navigation-assisted mobile-bearing TKA. Orthopedics. 2009;32(Suppl):35-39.
127. Zhang G, Chen J, Chai W, Liu M, Wang Y. Comparison between computer-assisted-navigation and conventional total knee arthroplasties in patients undergoing simultaneous bilateral procedures. A randomized clinical trial. J Bone Joint Surg Am. 2011;93:1190-1196.
128. Zorman D, Etuin P, Jennart H, Scipioni D, Devos S. Computer-assisted total knee arthroplasty: comparative results in a preliminary series of 72 cases. Acta Orthop Belg. 2005;71:696-702.
129. Zumstein MA, Frauchiger L, Wyss D, Hess R, Ballmer PM. Is restricted femoral navigation sufficient for accuracy of total knee arthroplasty? Clin Orthop Relat Res. 2006;451:80-86.