Reconstruction of chronic patellar tendon rupture with contralateral bone-tendon-bone autograft.

Purpose: To evaluate the clinical and functional outcome following the reconstruction of chronic patellar tendon ruptures using the contralateral bone-tendon-bone (BTB) autograft.

Methods: The records of seven patients who underwent reconstruction of chronic patellar tendon rupture with contralateral patellar BTB were retrospectively reviewed. Chronic tears were defined as a minimum of 3 months from injury to initial clinical evaluation.