Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus

Abstract Background Scarf osteotomy is a well-established procedure for hallux valgus, yet recurrence rates range from 3.6% to 10%. Pes planus, which often coexisting with hallux valgus, is a risk factor for recurrence. This study aimed to evaluate the effectiveness of simultaneous correction of hal...

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Main Authors: Fan Yang, Chenglin Wu, Jiazheng Wang, Guohua Mei, Jian Zou, Jianfeng Xue, Yan Su, Xin Ma, Jieyuan Zhang, Zhongmin Shi
Format: Article
Language:English
Published: BMC 2025-01-01
Series:European Journal of Medical Research
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Online Access:https://doi.org/10.1186/s40001-025-02299-8
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author Fan Yang
Chenglin Wu
Jiazheng Wang
Guohua Mei
Jian Zou
Jianfeng Xue
Yan Su
Xin Ma
Jieyuan Zhang
Zhongmin Shi
author_facet Fan Yang
Chenglin Wu
Jiazheng Wang
Guohua Mei
Jian Zou
Jianfeng Xue
Yan Su
Xin Ma
Jieyuan Zhang
Zhongmin Shi
author_sort Fan Yang
collection DOAJ
description Abstract Background Scarf osteotomy is a well-established procedure for hallux valgus, yet recurrence rates range from 3.6% to 10%. Pes planus, which often coexisting with hallux valgus, is a risk factor for recurrence. This study aimed to evaluate the effectiveness of simultaneous correction of hallux valgus and flexible pes planus. Methods A total of 85 feet with hallux valgus associated with adult flexible pes planus were retrospectively reviewed. All patients were treated with scarf osteotomy (SO). Subtalar arthroereisis using a HyProCure implant (SOH) was performed to correct hindfoot valgus based on shared decision-making. We collected and compared pre- and at least 2 year postoperative clinical outcomes (American Orthopaedic Foot & Ankle Society (AOFAS) forefoot, hindfoot score, Visual Analog Scale (VAS) pain intensity) and radiographic outcomes (hallux valgus angle (HVA), intermetatarsal angle (IMA), Meary’s angle, talonavicular coverage angle (TNCA), and calcaneal pitch (CP) angle in both groups. Results Of the cases reviewed, 51 feet were allocated to SO group, and 34 feet were in SOH group. Recurrence frequency was 5 feet (9.8%) in the SO group, while no recurrences were reported in the SOH group. There was no significant difference in AOFAS forefoot and VAS scores between the groups, However, the SOH group demonstrated significant improvement in AOFAS hindfoot scores and CP angle, as well as a greater reduction in Meary’s angle and TNCA, compared to the SO group. Changes in HVA and IMA did not differ significantly between the groups. Three feet in the SOH group experienced sinus tarsi pain, which resolved after removal of the HyProCure implant. Conclusions Subtalar arthroereisis with a HyProCure implant is an effective treatment option for adult flexible pes planus associated with scarf osteotomy for hallux valgus, leading to a steady improvement in the patients forefoot deformity and increased patient satisfaction at least 2 years postoperatively.
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spelling doaj-art-c19a697309184677b595f2d87dd234232025-01-26T12:21:47ZengBMCEuropean Journal of Medical Research2047-783X2025-01-013011810.1186/s40001-025-02299-8Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgusFan Yang0Chenglin Wu1Jiazheng Wang2Guohua Mei3Jian Zou4Jianfeng Xue5Yan Su6Xin Ma7Jieyuan Zhang8Zhongmin Shi9National Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalNational Center for Orthopaedics, Shanghai Sixth People’s HospitalAbstract Background Scarf osteotomy is a well-established procedure for hallux valgus, yet recurrence rates range from 3.6% to 10%. Pes planus, which often coexisting with hallux valgus, is a risk factor for recurrence. This study aimed to evaluate the effectiveness of simultaneous correction of hallux valgus and flexible pes planus. Methods A total of 85 feet with hallux valgus associated with adult flexible pes planus were retrospectively reviewed. All patients were treated with scarf osteotomy (SO). Subtalar arthroereisis using a HyProCure implant (SOH) was performed to correct hindfoot valgus based on shared decision-making. We collected and compared pre- and at least 2 year postoperative clinical outcomes (American Orthopaedic Foot & Ankle Society (AOFAS) forefoot, hindfoot score, Visual Analog Scale (VAS) pain intensity) and radiographic outcomes (hallux valgus angle (HVA), intermetatarsal angle (IMA), Meary’s angle, talonavicular coverage angle (TNCA), and calcaneal pitch (CP) angle in both groups. Results Of the cases reviewed, 51 feet were allocated to SO group, and 34 feet were in SOH group. Recurrence frequency was 5 feet (9.8%) in the SO group, while no recurrences were reported in the SOH group. There was no significant difference in AOFAS forefoot and VAS scores between the groups, However, the SOH group demonstrated significant improvement in AOFAS hindfoot scores and CP angle, as well as a greater reduction in Meary’s angle and TNCA, compared to the SO group. Changes in HVA and IMA did not differ significantly between the groups. Three feet in the SOH group experienced sinus tarsi pain, which resolved after removal of the HyProCure implant. Conclusions Subtalar arthroereisis with a HyProCure implant is an effective treatment option for adult flexible pes planus associated with scarf osteotomy for hallux valgus, leading to a steady improvement in the patients forefoot deformity and increased patient satisfaction at least 2 years postoperatively.https://doi.org/10.1186/s40001-025-02299-8Hallux valgusOsteotomyPes planusSubtalar arthroereisis
spellingShingle Fan Yang
Chenglin Wu
Jiazheng Wang
Guohua Mei
Jian Zou
Jianfeng Xue
Yan Su
Xin Ma
Jieyuan Zhang
Zhongmin Shi
Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
European Journal of Medical Research
Hallux valgus
Osteotomy
Pes planus
Subtalar arthroereisis
title Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
title_full Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
title_fullStr Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
title_full_unstemmed Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
title_short Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
title_sort subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus
topic Hallux valgus
Osteotomy
Pes planus
Subtalar arthroereisis
url https://doi.org/10.1186/s40001-025-02299-8
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