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Cip J, Widemschek M, Bach C, et al. Encouraging treatment algorithm for computer-assisted navigated total knee arthroplasty (TKA): A retrospective cohort analysis. J Orthop. 2017;14(3):377-383doi: 10.1016/j.jor.2017.06.012.
Cip, J., Widemschek, M., Bach, C., Ruckenstuhl, P., Benesch, T., Studer, K., & Martin, A. (2017). Encouraging treatment algorithm for computer-assisted navigated total knee arthroplasty (TKA): A retrospective cohort analysis. Journal of orthopaedics, 14(3), 377-383. https://doi.org/10.1016/j.jor.2017.06.012
Cip, J, et al. "Encouraging treatment algorithm for computer-assisted navigated total knee arthroplasty (TKA): A retrospective cohort analysis." Journal of orthopaedics vol. 14,3 (2017): 377-383. doi: https://doi.org/10.1016/j.jor.2017.06.012
Cip J, Widemschek M, Bach C, Ruckenstuhl P, Benesch T, Studer K, Martin A. Encouraging treatment algorithm for computer-assisted navigated total knee arthroplasty (TKA): A retrospective cohort analysis. J Orthop. 2017 Jun 24;14(3):377-383. doi: 10.1016/j.jor.2017.06.012. eCollection 2017 Sep. PMID: 28701852; PMCID: PMC5496483.
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J Orthop. 2017 Jun 24;14(3):377-383. doi: 10.1016/j.jor.2017.06.012. eCollection 2017 Sep.

Encouraging treatment algorithm for computer-assisted navigated total knee arthroplasty (TKA): A retrospective cohort analysis.

Journal of orthopaedics

J Cip, M Widemschek, C Bach, P Ruckenstuhl, T Benesch, K Studer, A Martin

Affiliations

  1. Department of Orthopedic Surgery, Academic Teaching Hospital Feldkirch, Medical University of Graz, Carinagasse 47, A-6800 Feldkirch, Austria.
  2. Department of Orthopedics and Trauma, Medical University of Graz, Auenbruggerplatz 5, A-8036 Graz, Austria.
  3. University of Vienna, Austria.
  4. Department of Pediatric Orthopedic Surgery, Children's Hospital St. Gallen, Claudiusstrasse 6, CH-9006?St. Gallen, Switzerland.
  5. Department of Traumatology, Academic Teaching Hospital Bregenz, Carl-Pedenz-Straße 2, A-6900 Bregenz, Austria.

PMID: 28701852 PMCID: PMC5496483 DOI: 10.1016/j.jor.2017.06.012

Abstract

OBJECTIVE: Navigated computer-assisted total knee arthroplasty (TKA) shows inconclusive mid- to long-term outcome results and is limited by increased costs, surgery-time and an additional learning curve. We introduced a treatment algorithm preserving computer-assisted TKA for patients with adipositas-per-magna, posttraumatic leg-deformities, osteosynthetic material in-situ or reduced preoperative X-ray quality.

METHODS: 237 primary unilateral TKA were allocated based on the treatment concept described above. A retrospective pre- and postoperative radiological analysis was performed.

RESULTS: 222 TKA (93.7%) were within 3° varus/valgus of mechanical-lower-limb axis (mean absolute deviation: 1.8° ± 1.3°).

CONCLUSION: This algorithm showed an excellent postoperative implantation-accuracy based on an accurate preoperative surgery-planning.

Keywords: Computer-assisted TKA; Navigation; Radiological analysis; TKA; Treatment algorithm

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