PURPOSE: Pre- and postoperative tibial posterior slope angles (PSAs) were assessed in patients who underwent cruciate-retaining total knee arthroplasty (TKA). MATERIAL AND METHODS: A total of 386 cruciate retaining TKA were performed in 308 patients and retrospectively reviewed. Based on the prostheses, 202 cases using NexGen were classified as group I, 120 cases using PFC sigma as group II, and 64 cases using Vanguard as group III. Postoperative PSA of groups I, II, and III were compared. RESULTS: In groups I, II, and III, postoperative PSA was 6.0˚, 6.0˚, and 4.5˚, respectively (p < 0.001). Between preoperative measurement and final follow-up examination, mean knee score (59.7 to 97.3), function score (54.2 to 90.5), and range of motion (ROM; 126.7° to 132.2°) improved. These three values did not differ significantly among groups. CONCLUSIONS: The 3° slope of the Vanguard polyethylene insert caused the difference in PSAs. This design characteristic should be considered when using this implant in TKA.
PURPOSE: Pre- and postoperative tibial posterior slope angles (PSAs) were assessed in patients who underwent cruciate-retaining total knee arthroplasty (TKA). MATERIAL AND METHODS: A total of 386 cruciate retaining TKA were performed in 308 patients and retrospectively reviewed. Based on the prostheses, 202 cases using NexGen were classified as group I, 120 cases using PFC sigma as group II, and 64 cases using Vanguard as group III. Postoperative PSA of groups I, II, and III were compared. RESULTS: In groups I, II, and III, postoperative PSA was 6.0˚, 6.0˚, and 4.5˚, respectively (p < 0.001). Between preoperative measurement and final follow-up examination, mean knee score (59.7 to 97.3), function score (54.2 to 90.5), and range of motion (ROM; 126.7° to 132.2°) improved. These three values did not differ significantly among groups. CONCLUSIONS: The 3° slope of the Vanguard polyethylene insert caused the difference in PSAs. This design characteristic should be considered when using this implant in TKA.
Authors: J Robert Giffin; Tracy M Vogrin; Thore Zantop; Savio L Y Woo; Christopher D Harner Journal: Am J Sports Med Date: 2004-03 Impact factor: 6.202
Authors: Dae Kyung Bae; Sang Jun Song; Kang Il Kim; Dong Hur; Hyun Ho Lee Journal: Knee Surg Sports Traumatol Arthrosc Date: 2016-01-05 Impact factor: 4.342
Authors: Dinu Vermesan; Ilie Trocan; Radu Prejbeanu; Dan V Poenaru; Horia Haragus; Damian Gratian; Massimo Marrelli; Francesco Inchingolo; Monica Caprio; Raffaele Cagiano; Marco Tatullo Journal: J Clin Med Res Date: 2014-12-29