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1.
J Orthop ; 16(2): 166-170, 2019.
Article in English | MEDLINE | ID: mdl-30886465

ABSTRACT

PURPOSE: High tibial osteotomy (HTO) is a surgical procedure performed on patients with knee osteoarthritis (OA). Computer assisted navigated high tibial osteotomy (CAN-HTO) may result in improved outcomes for patients undergoing this procedure. METHODS: Retrospective study involving patients undergoing CAN-HTO. RESULTS: Surveyed thirty-three patients. Average follow-up: 2.3 years. 97% patients reported they would have this procedure performed again, if indicated. Re-operation rate: 6.1% and complication rate: 12.1%. Patients had decreased KOOS for symptoms when compared to non-navigation based HTO (p = 0.000). CONCLUSION: There may be merit with the use of CAN-HTO, with demonstrated patient-reported benefits at 2-year follow-up.

2.
J Arthroplasty ; 27(2): 271-7, 2012 Feb.
Article in English | MEDLINE | ID: mdl-21704485

ABSTRACT

This retrospective study examined the relationship between the mechanical axis of the knee throughout its functional arc and functional outcomes in patients with computer-assisted navigation total knee arthroplasty. Data on final intraoperative functional arc alignment were obtained on 76 patients who had computer-assisted navigation total knee arthroplasty over a 2-year period and correlated with scores from postoperative Short Form 12 and Western Ontario and McMaster Universities functional outcome surveys. No correlation was found between functional arc alignment and outcomes from Western Ontario and McMaster Universities or Short Form 12 surveys; however, subgroup analysis of patients with more than 3° average final intraoperative alignment throughout the functional arc of motion demonstrated increased difficulty with daily activities (P = .05). The results indicate that patients with more than 3° average alignment throughout the functional arc of motion perform more poorly with daily activities postoperatively.


Subject(s)
Arthroplasty, Replacement, Knee/methods , Bone Malalignment/prevention & control , Knee Joint/physiology , Osteoarthritis, Knee/surgery , Range of Motion, Articular/physiology , Surgery, Computer-Assisted/methods , Activities of Daily Living , Biomechanical Phenomena , Follow-Up Studies , Humans , Knee Joint/surgery , Retrospective Studies , Treatment Outcome
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