Evaluation of surgical outcomes of calcaneonavicular coalition and too-long anterior process in children: A prospective study.

Calcaneonavicular coalitions (CC) affect approximately 1% of the general population. CC or Too-long anterior process (TLAP) result in "repeated sprains" that can be associated with foot and/or ankle chronic pain. The main objective of this study was to analyze the effectiveness of surgery using the AOFAS score.Functional results after surgical treatment of CC or TLAP are not as good as expected.A single-center prospective study was carried out at our University Hospital from 01/01/2019 to 06/01/2021. The patients included were operated on in the pediatric surgery department for CC or TLAP resection by direct approach after MRI confirmation and failure of non-operative treatment. A survey evaluating the AOFAS score as well as the number of ankle sprains and the intensity of pain was undertaken at the preoperative consultation and then at three and twelve months postoperatively.A total of 17 feet in 16 patients (14 girls and 2 boys) comprising 12 TLAP and 5 CC were included. The AOFAS score was statistically significantly increased (58.6 vs. 82.9; p<0.001) postoperatively. No statistical difference was noted between the follow-up visits at three and twelve months. At the twelve-month follow-up, 9 out of 16 patients (56.2%) still reported activity restrictions; mainly linked to the persistence of chronic pain, and 10 out of 16 patients (62.5%) reported a feeling of instability.CC and TLAP surgery rapidly improves function but it does not dramatically reduce foot pain and activity restrictions. A dedicated score would be useful to identify patients who will benefit the most from surgery.IV; prospective study.Copyright © 2023 Elsevier Masson SAS. All rights reserved.

Citation

Timothé Lescot, Roxane Compagnon, Franck Accadbled, Jérôme Sales de Gauzy, Dominique Mouliès, Louis Mihluedo, Laurent Fourcade, Quentin Ballouhey. Evaluation of surgical outcomes of calcaneonavicular coalition and too-long anterior process in children: A prospective study. Orthopaedics & traumatology, surgery & research : OTSR. 2023 Apr 11:103620103620

PMID: 37044243

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