GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP

Harris A, O'Grady C, Sensiba P, et al. GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP. Orthop Procs. 2021;103-B(SUPP_4):51-51. doi:10.1302/1358-992X.2021.4.051

Harris, A., et al. “GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP.” Orthopaedic Proceedings, vol. 103-B, no. SUPP_4, 2021, pp. 51-51., https://doi.org/10.1302/1358-992X.2021.4.051

Harris, A., O'Grady, C., Sensiba, P., Vandenneucker, H., Huang, B., Cates, H., Christen, B., Hur, J., Marra, D., Malcorps, J., & Kopjar, B. (2021). GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP. Orthopaedic Proceedings, 103-B(SUPP_4), 51-51. https://doi.org/10.1302/1358-992X.2021.4.051

Harris, A., O'Grady, C., Sensiba, P., Vandenneucker, H., Huang, B., Cates, H. et al. (2021) “GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP.” Orthopaedic Proceedings, 103-B(SUPP_4), pp. 51-51. Available at: https://doi.org/10.1302/1358-992X.2021.4.051

Harris, A., C. O'Grady, P.R. Sensiba, H. Vandenneucker, B.K. Huang, H.E. Cates, B. Christen, et al. “GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP.” Orthopaedic Proceedings 103-B, no. SUPP_4 (2021): 51-51. https://doi.org/10.1302/1358-992X.2021.4.051

Harris A, O'Grady C, Sensiba P, Vandenneucker H, Huang B, Cates H, et al. GUIDED MOTION TOTAL KNEE ARTHROPLASTY (TKA) IN PATIENTS WITH BMI OF 40 KG/M2 OR MORE: RESULTS FROM THE INTERNATIONAL MULTICENTRE STUDY OF 2,059 PRIMARY TKAS WITH UP TO SIX YEARS' FOLLOW-UP. Orthop Procs. 2021 Mar 1;103-B(SUPP_4):51-51. https://doi.org/10.1302/1358-992X.2021.4.051

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Abstract

Outcomes for guided motion primary total knee arthroplasty (TKA) in obese patients are unknown. 1,684 consecutive patients underwent 2,059 primary TKAs with a second-generation guided motion implant between 2011–2017 at three European and seven US sites. Of 2,003 (97.3%) TKAs in 1,644 patients with BMI data: average age 64.5 years; 58.4% females; average BMI 32.5 kg/m2; 13.4% had BMI ≥ 40 kg/m2. Subjects with BMI ≥ 40 kg/m2 had longest length of hospital stay (LOS) at European sites; LOS similar at US sites. Subjects with BMI ≥ 40 kg/m2 (P=0.0349) had longest surgery duration. BMI ≥ 40 kg/m2 had more re-hospitalizations or post-TKA reoperations than BMI < 40 kg/m2 (12.7% and 9.2% at five-year post-TKA, P<0.0495). Surgery duration and long-term complication rates are higher in patients with BMI ≥ 40 kg/m2, but device revision risk is not elevated.

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