Clinical and Radiological Outcomes of a Modified Kidner Procedure after Symptomatic Accessory Navicular Excision | ||
| The Egyptian Orthopaedic Journal | ||
| Volume 60, Issue 3, September 2025, Pages 241-247 PDF (477.51 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/EOJ.2025.449739 | ||
| Authors | ||
| Ayman Eltabbaa; Mohammed El Tabbakh; Ahmed Shafik; Ahmed Helal* | ||
| Department of Orthopaedics, Faculty of Medicine, Tanta University, Tanta, Egypt. | ||
| Abstract | ||
| Background The accessory navicular (AN) is a common anatomical variant that can become a source of chronic pain and discomfort. While conservative modalities are often the first-line management, surgical intervention may be necessary for persistent symptomatic cases. This work aimed to evaluate the outcomes of reattaching the posterior tibial tendon (PTT) to the primary navicular bone using an interference screw after AN excision after the failure of conservative treatment. Patients and Methods This prospective cohort study was conducted on 29 patients aged greater than or equal to 10 years old, diagnosed with AN bone via clinical and radiological examinations. All included patients were managed conservatively for at least 6 months but failed to provide adequate symptoms relief. Excision of the accessory navicular bone and reattaching the PTT to the primary navicular bone using an interference screw was done in all cases. Patients were assessed preoperatively and at 1-year follow-up using the visual analog scale for pain and the American Orthopedic Foot and Ankle Society Ankle-Hindfoot Scale for functional outcomes and radiologically to evaluate foot alignment. Results Visual analog scale and American Orthopedic Foot and Ankle Society scores showed significant improvement at 1 year follow-up (P<0.001). radiologically calcaneal pitch angle slightly improved as well as talo-navicular coverage angle. Conclusions Interference screw fixation of the PTT after excision of the AN achieved favorable outcomes as it facilitates significant pain relief, functional improvement and supports an accelerated rehabilitation program. | ||
| Keywords | ||
| Accessory navicular bone; Kidner procedure; Modified kidner procedure; Pes planus | ||
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