| The Surgical Technologist | AUGUST 2022 362 Kostretzis et al. Kinematic Alignment Total Knee TABLE 7 | Results of studies reporting their outcomes with the Triathlon TS Knee System (Triathlon Total Knee System; Stryker Orthopedics, Mahwah, NJ) for revision TKA. References N TKAs/ mean FU in years Indication for revision Type of PE insert Component fixation Rerevisions PROMs preoperatively mean (range, ±SD) PROMs at final follow-up mean (range, ±SD) Radiological analysis Gwam et al. (19) 93/4 NR, septic failures were excluded TS NR 4 aseptic loosening 2 septic failures NR KSS: 86 (38–100) Functional KSS: 52 (15–90) Excluding the revised cases, there were no progressive radiolucencies or osteolysis noted Hamilton et al. (10) 53/2 NR, septic failures were excluded TS Fully cemented None OKS: 19.1 (±7.41) OKS: 36.4 (±8.2) NR Stevens et al. (20) 100/7.4 85 aseptic reasons 15 septic reasons TS Fully cemented 6 septic failures 3 instability 1 infected periprosthetic fracture 2 reoperations for additional patellar resurfacing NR OKS: 27 (0–46, ±11.9) FJS: 32.3 (0–100, 30.4) SF-12 PCS: 40.6 (23.9–67.1±17.6) SF-12 MCS: 48.3 (23.9–69.1, ±15.5) Excluding the revised cases, nine postoperative radiographs demonstrated non-progressive radiographic lucent lines with no evidence of loosening. One radiograph demonstrated progression of radiographic lucent lines and lysis Limberg et al. (21) 416/4 122 instability 105 aseptic loosening 97 septic failure 92 other TS Fully cemented 23 septic failures 17 instability 10 aseptic loosening 1 arthrofibrosis 1 periprosthetic fracture 1 patella fracture KSS: 46 KSS: 81 NR Present study (2021) 43/4 40 aseptic reasons 3 septic reasons 31 PS 12 TS Fully cemented 1 instability NR WOMAC: 34.4 (0–80, ±21.7) No progressive radiolucencies or osteolysis noted KSS, Knee Society Score; OKS, Oxford Knee Score; FJS, Functional Joint Score; SF-12 PCS, Physical Component Summary; SF-12 MCS, Mental Component Summary; SD, standard deviation; NR, Not reported. Frontiers in Surgery | www.frontiersin.org 14 August 2021 | Volume 8 | Article
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