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Several injuries were associated with hyperextension varus deformity
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Compared with controls, patients with hyperextension varus deformity had a greater incidence of popliteal artery disruption, partial or complete peroneal nerve injury, and leg compartment syndrome, according to results.
Researchers reviewed preoperative radiographs and CT scans and found 208 patients who sustained 212 bicondylar tibial plateau fractures. Overall, 25 fractures in 23 patients had a hyperextension varus deformity. Researchers compared associated injury rates in patients with and those without hyperextension varus deformities.
Reza Firoozabadi
Results showed significant associated injuries in 32% of patients with hyperextension varus deformities vs. 16% of the control group. Researchers found a 12% incidence of popliteal artery disruption requiring repair among patients with hyperextension varus deformities compared with 1% of the control group. Either partial or complete peroneal nerve injury was found in 16% of patients with hyperextension varus deformities and in 8% of patients in the control group, while 12% of patients with hyperextension varus deformities and 10% of controls developed leg compartment syndrome. – by Casey Tingle
Disclosures: Firoozabadi is a paid consultant for Smith & Nephew and receives teaching honorarium from AO North America. Please see the full study for a list of all other authors’ relevant financial disclosures.
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