A Method Used to Access the Functional Outcome of Tibial Posterior Tendon Transfer for Foot Drop in Leprosy

Objectives. The aim of this study was to access the postoperative functional results of posterior tibial tendon transfer for foot drop as a consequence of nerve palsy in leprosy. Material and Methods. Thirteen patients (9 males and 4 females) with ages ranging from 9 to 69 years were submitted to posterior tibial tendon transfer by the circumtibial route to correct foot drop in leprosy. The length of postoperative follow-up ranged from 1 to 5 years. The Stanmore system was used as a method for evaluating the functional results of postoperative posterior tibial tendon transfer. This system is made up of 7 different categories and the total score is 100. Results. According to the Stanmore system, the results were poor in 1 patient (7.6%), moderate in 2 feet (15.3%), good in 5 feet (38.4%), and excellent in 5 feet (38.4%). All the patients were satisfied with the final outcome. Conclusion. The posterior tibial tendon transfer for foot drop in leprosy was efficient in restoring normal function of the foot and gait without changing foot posture. In the absence of a standardized method for assessing the results of posterior tibial tendon transfer, the Stanmore system seems to be a good tool for an objective evaluation.

Levels of Evidence : Therapeutic, Level IV