Encouraging treatment algorithm for computer-assisted navigated total knee arthroplasty (TKA): A retrospective cohort analysis.
retrospective_cohort · Level III
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- Record sourced from PubMed, PMID 28701852.
- Also identified by DOI 10.1016/j.jor.2017.06.012 and PMC identifier 5496483.
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Abstract
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. 237 primary unilateral TKA were allocated based on the treatment concept described above. A retrospective pre- and postoperative radiological analysis was performed. 222 TKA (93.7%) were within 3° varus/valgus of mechanical-lower-limb axis (mean absolute deviation: 1.8° ± 1.3°). This algorithm showed an excellent postoperative implantation-accuracy based on an accurate preoperative surgery-planning.
Anatomy
- knee