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Study indicates role of computerized posturography in ACL reconstruction

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GENEVA — Computerized posturography can be used to measure proprioception in patients after single-or double-bundle ACL reconstruction, according to a recent presentation at the European Society of Sports Traumatology, Knee Surgery and Arthroscopy Congress 2012, here.

To determine the role of computerized posturography following ACL reconstruction, Portuguese researchers used 20 different tests to compare the proprioception of 33 patients who underwent either single- or double-bundle ACL reconstruction. The tests measured proprioception through a variety of circumstances including weight-bearing, squatting and unilateral stances. The investigators also conducted a modified clinical test of sensory interaction on balance. Patients stood on a firm platform with their eyes open and then closed, then did the same procedures on a foam platform. The balance tests took place between 6-month and 9-month follow-up, researchers said.

In one test, 15 patients in the double-bundle group showed greater oscillation regarding their center of gravity, indicating worse proprioception than the 18 patients in the single-bundle group.

 “We had a single-bundle group with better proprioception in one specific test, [and] all the other tests had similar results,” Francisco Guerra-Pinto, of the Orthopaedics and Rehabilitation Departments at Curry Cabral Hospital in Lisbon, Portugal, said during his presentation. “Computerized posturography has shown its role in ACL reconstruction evaluation. It might become an important tool to pick up subtle differences, and we are now focusing on this single test for a long-term follow-up in these patients.”

Reference:

Guerra-Pinto F, Galvão C, Carvalho TE, et al. Computerized posturography for evaluation of ACL reconstruction: Single-bundle vs. double-bundle. Presented at the European Society of Sports Traumatology, Knee Surgery and Arthroscopy Congress 2012. May 2-5. Geneva.

Disclosure: Pinto has no relevant financial disclosures.