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Better coronal limb alignment seen with weight-bearing scanogram technique
The weight-bearing limb scanogram technique showed better mean postoperative weight-bearing line ratio results over the navigational technique in open high tibial osteotomy, according to this recently published research.
After measuring the coronal alignment of 78 patients with open high tibial osteotomy (OHTO) using the weight-bearing line (WBL) ratio, a different surgeon in each hospital performed either a weight-bearing limb scanogram (WBS) or navigational technique, according to the abstract.
The mean postoperative WBL ratio of the WBS technique was higher than the navigational technique, according to researchers.
“In conclusion, the WBS technique was found to be more reliable and accurate for restoration of coronal leg alignment than the navigation technique in OHTO,” the authors stated in the study. “The findings indicate further comparative studies are warranted. Surgeons using navigation techniques may need to factor in weight bearing issues in order to reduce limb alignment deviations after OHTO.”
Disclosure: The authors received support from the 2012 Inje University Research Grant to conduct this study.