The Knee · 2017
Reliability of two techniques and training level of the observer in measuring the correction angle when planning a high tibial osteotomy.
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Blackburn Julia, Ansari Aneel, Porteous Andrew, Murray James
Аннотация
BACKGROUND: In high tibial osteotomy, planning is critical for achieving successful realignment. Any method selected needs to be reliable, with inter-observer and intra-observer correlation. A literature review demonstrated two distinct methods of planning for high tibial osteotomy.
HYPOTHESIS: Both methods are precise and show excellent inter and intra-observer correlation.
METHOD: Fifty consecutive weight-bearing long leg alignment antero-posterior (AP) radiographs were identified and planning undertaken on suitable radiographs using the methods of Puddu (method 1) and Miniaci (method 2). Two observers, one junior trainee and one Specialist Knee Fellow, recorded measurements to calculate inter and intra-observer correlation.
RESULTS: Thirty-two radiographs were included. Inter-observer and intra-observer correlation, and correlation between the two methods were all greater than 0.97 (p<0.0001).
CONCLUSION: Our results show excellent correlation between both methods and both observers. Both methods are reliable for planning and can be performed by both junior trainees and subspecialists. Further work should consider how planning can ensure adequate intraoperative correction.
HYPOTHESIS: Both methods are precise and show excellent inter and intra-observer correlation.
METHOD: Fifty consecutive weight-bearing long leg alignment antero-posterior (AP) radiographs were identified and planning undertaken on suitable radiographs using the methods of Puddu (method 1) and Miniaci (method 2). Two observers, one junior trainee and one Specialist Knee Fellow, recorded measurements to calculate inter and intra-observer correlation.
RESULTS: Thirty-two radiographs were included. Inter-observer and intra-observer correlation, and correlation between the two methods were all greater than 0.97 (p<0.0001).
CONCLUSION: Our results show excellent correlation between both methods and both observers. Both methods are reliable for planning and can be performed by both junior trainees and subspecialists. Further work should consider how planning can ensure adequate intraoperative correction.