• Foot Ankle Surg · Apr 2021

    Impact of pes planus on clinical outcomes of hallux valgus surgery.

    • Adriel You Wei Tay, Graham S Goh, Yogen Thever, Nicholas Eng Meng Yeo, and Kevin Koo.
    • Department of Orthopaedic Surgery, Singapore General Hospital, Singapore. Electronic address: adrieltay91@gmail.com.
    • Foot Ankle Surg. 2021 Apr 10.

    BackgroundPes planus is associated with hallux valgus development. This study evaluated the impact of pes planus on clinical outcomes following hallux valgus surgery.Methods191 patients underwent Scarf osteotomy for hallux valgus. Pes planus angles including talonavicular coverage angle, lateral talus-first metatarsal angle (Meary's angle) and lateral talocalcaneal angle were measured. The cohort was stratified into control (0°-4.0°), mild (4.1°-14.9°), moderate (15.0°-30.0°) and severe (> 30.0°) pes planus groups according to Meary's angle. Clinical outcomes were compared at baseline, 6 months and 24 months.ResultsThere were 78 controls, 95 mild and 18 moderate cases of pes planus. Meary's angle was independently associated with preoperative hallux valgus angle. Pes planus angles were not associated with pain, AOFAS, SF-36 physical or mental scores. All three groups had similar clinical outcomes and patient satisfaction.ConclusionCompared to patients with neutral foot arches, those with pes planus presented with more severe hallux valgus deformity but had similar clinical outcomes following surgical correction.Copyright © 2021 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.

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