Preliminary Results of Subtalar Arthroereisis with Vulpius Procedure for Symptomatic Flatfoot in Patients with Type I Osteogenesis Imperfecta

Cheng-Min Hsu, Sheng-Chieh Lin, Kuan-Wen Wu, Ting-Ming Wang, Jia-Feng Chang and Chia-Che Lee
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Cheng-Min Hsu: Department of Orthopedic Surgery, Chang Gung Memorial Hospital Linkou Main Branch, Taoyuan 333, Taiwan
Sheng-Chieh Lin: Department of Orthopedic Surgery, Chung Shan Medical University Hospital, Taichung 402, Taiwan
Kuan-Wen Wu: Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei 100, Taiwan
Ting-Ming Wang: Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei 100, Taiwan
Jia-Feng Chang: Department of Internal Medicine, Shuang Ho Hospital, New Taipei City 235, Taiwan
Chia-Che Lee: Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei 100, Taiwan

IJERPH, 2020, vol. 18, issue 1, 1-9

Abstract: In this retrospective study, we aim to assess the safety and feasibility of adapting subtalar arthroereisis (SA) for type I osteogenesis imperfecta (OI) patients with symptomatic flatfoot. From December 2013 to January 2018, six type I OI patients (five girls and one boy, 12 feet) with symptomatic flexible flatfoot were treated with SA and the Vulpius procedure. All the patients were ambulatory and skeletally immature with failed conservative treatment and unsatisfactory life quality. The median age at the time of surgery was 10 years (range 5–11), and the median follow-up period was 55 months (range 33–83). All functional and radiographic parameters improved ( p < 0.05) after the procedure at the latest follow-up. The median American Orthopaedic Foot and Ankle Society ankle-hindfoot scale improved from 68 (range 38–80) to 95 (range 71–97). All of the patients ambulated well without significant complications. The weight-bearing radiographs showed maintained correction of the tarsal bone alignment with intact bony surfaces adjacent to implants during the post-operative follow-up period. This is the very first study on symptomatic flatfoot in pediatric patients with type I OI. Our data suggest that SA is a potentially viable approach, as functional improvements and maintained radiographic correction without significant complication were observed.

Keywords: osteogenesis imperfecta; subtalar arthroereisis; symptomatic flatfoot; pes planovalgus; gastrocnemius recession (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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