Patient-specific instrumentation in total knee arthroplasty provides no improvement in component alignment.

@article{Stronach2014PatientspecificII,
  title={Patient-specific instrumentation in total knee arthroplasty provides no improvement in component alignment.},
  author={Benjamin M. Stronach and Christopher E. Pelt and Jill Erickson and Christopher L. Peters},
  journal={The Journal of arthroplasty},
  year={2014},
  volume={29 9},
  pages={
          1705-8
        }
}
Improved component alignment in TKA remains a commonly cited benefit of MRI based patient-specific instrumentation (PSI). We hypothesized that PSI would lead to improved alignment versus traditional instrumentation (TI) during primary TKA. Fifty-eight knees (54 patients) that underwent TKA with PSI were compared to 62 knees that had previously undergone TKA with TI. Radiographs were evaluated for mechanical axis and alignment of the femoral and tibial components. Alignment was similar between… CONTINUE READING
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