Weight bearing in 40 patients undergoing open wedge high tibial osteotomy (HTO) will be studied during 12 weeks for their post-operative weight bearing using a pressure insole.
Forty patients who are planned for open wedge HTO with deformity in the proximal tibia will be included in the study. The open wedge HTO will be performed in the well known biplanar technique and the TomoFix plate will be used as fixation plate. To analyze the peak pressure and if the patients are able to reassemble the partial weight bearing/ the full weight bearing the OpenGo Sensor Insole (Moticon) will be used during the first 12 weeks after surgery. In addition, x-rays will be analyze for the alignment and angles and clinical scores will be gathered to investigate patient reported outcomes.
Study Type
OBSERVATIONAL
Enrollment
27
Patients undergoing high tibial osteotomy are investigated by a pressure insole for post-operative weight bearing behavior
BGU Tübingen
Tübingen, Germany
Partial weight bearing
Differences of the peak pressure (mean of the 13 pressure sensors) recorded by the insole vs. the recommended partial weight bearing of 20 kg and amount of events more than 20 kg partial weight bearing
Time frame: 2 weeks post-OP
Full weight bearing
Time to full weight bearing after open wedge HTO
Time frame: 12 weeks post-OP
Weight bearing pre- vs. post-OP
Changes of peak pressure at the sole comparing varus deformity and after open wedge HTO
Time frame: 12 weeks post-OP
Patient reported outcomes
Depends the clinical outcome on the capability of early full-weight bearing?
Time frame: 12 weeks post-OP
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