Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity
Category: Hindfoot; Midfoot/Forefoot Introduction/Purpose: Our aims were: (i) to determine whether subtalar arthroereisis (STA) as adjunct procedure improved radiographic correction of stage IIb adult acquired flexible flatfoot deformity (AAFD); (ii) to assess the STA-related complication rate. Meth...
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doaj-14a5745bf7994280bd2f1b5b49ce68d52020-11-25T04:06:19ZengSAGE PublishingFoot & Ankle Orthopaedics2473-01142020-10-01510.1177/2473011420S00130Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot DeformityAlessio Bernasconi MDMiltiadis ArgyropoulosShelain Patel FRCSYaser GhaniNicholas Cullen FRCS(Orth)Dishan B. Singh MB ChB,FRCS(Orth)Matthew J. Welck MD,,FRCS(Orth)Category: Hindfoot; Midfoot/Forefoot Introduction/Purpose: Our aims were: (i) to determine whether subtalar arthroereisis (STA) as adjunct procedure improved radiographic correction of stage IIb adult acquired flexible flatfoot deformity (AAFD); (ii) to assess the STA-related complication rate. Methods: A retrospective analysis of 22 feet (21 patients) diagnosed with stage IIb AAFD treated by medialising calcaneal osteotomy (MCO), flexor digitorum longus (FDL) transfer, spring ligament (SL) repair with or without Cotton osteotomy and with or without STA in a single institution was carried out. Seven measurements were recorded on pre and postoperative (minimum 24 weeks) radiographs by two observers and repeated twice by one. Inter and intraobserver reliability was assessed. The association of demographic (gender, side, age, BMI) and surgical variables (Cotton, STA) with radiographic change was tested with univariate analysis followed by a multivariable regression model. Results: Excellent inter and intraobserver reliability was demonstrated for all measurements (ICC range, 0.75-0.99). Multivariable regression showed that STA was the only predictor of change in talo-navicular coverage angle (TNCA) (R2=0.31; p=0.03) and in calcaneo-fifth metatarsal angle (CFMA) (R2=0.40; p=0.02) on dorsoplantar view. STA was associated to a greater change in TNCA by 10.1 degrees and in CFMA by 5 degrees. Four patients out of 12 STA complained of sinus tarsi pain after STA, and removal of the implant resolved symptoms in 3 of them. Conclusion: In this series, STA as an adjunct procedure to MCO, FDL transfer, SL repair in the treatment of stage IIb AAFD led to improvement in correction of forefoot abduction. STA-related complication and removal rates were 33%.https://doi.org/10.1177/2473011420S00130 |
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DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Alessio Bernasconi MD Miltiadis Argyropoulos Shelain Patel FRCS Yaser Ghani Nicholas Cullen FRCS(Orth) Dishan B. Singh MB ChB,FRCS(Orth) Matthew J. Welck MD,,FRCS(Orth) |
spellingShingle |
Alessio Bernasconi MD Miltiadis Argyropoulos Shelain Patel FRCS Yaser Ghani Nicholas Cullen FRCS(Orth) Dishan B. Singh MB ChB,FRCS(Orth) Matthew J. Welck MD,,FRCS(Orth) Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity Foot & Ankle Orthopaedics |
author_facet |
Alessio Bernasconi MD Miltiadis Argyropoulos Shelain Patel FRCS Yaser Ghani Nicholas Cullen FRCS(Orth) Dishan B. Singh MB ChB,FRCS(Orth) Matthew J. Welck MD,,FRCS(Orth) |
author_sort |
Alessio Bernasconi MD |
title |
Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity |
title_short |
Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity |
title_full |
Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity |
title_fullStr |
Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity |
title_full_unstemmed |
Subtalar Arthroereisis as an Adjunct Procedure Improves Forefoot Abduction in Stage IIb Adult- Acquired Flatfoot Deformity |
title_sort |
subtalar arthroereisis as an adjunct procedure improves forefoot abduction in stage iib adult- acquired flatfoot deformity |
publisher |
SAGE Publishing |
series |
Foot & Ankle Orthopaedics |
issn |
2473-0114 |
publishDate |
2020-10-01 |
description |
Category: Hindfoot; Midfoot/Forefoot Introduction/Purpose: Our aims were: (i) to determine whether subtalar arthroereisis (STA) as adjunct procedure improved radiographic correction of stage IIb adult acquired flexible flatfoot deformity (AAFD); (ii) to assess the STA-related complication rate. Methods: A retrospective analysis of 22 feet (21 patients) diagnosed with stage IIb AAFD treated by medialising calcaneal osteotomy (MCO), flexor digitorum longus (FDL) transfer, spring ligament (SL) repair with or without Cotton osteotomy and with or without STA in a single institution was carried out. Seven measurements were recorded on pre and postoperative (minimum 24 weeks) radiographs by two observers and repeated twice by one. Inter and intraobserver reliability was assessed. The association of demographic (gender, side, age, BMI) and surgical variables (Cotton, STA) with radiographic change was tested with univariate analysis followed by a multivariable regression model. Results: Excellent inter and intraobserver reliability was demonstrated for all measurements (ICC range, 0.75-0.99). Multivariable regression showed that STA was the only predictor of change in talo-navicular coverage angle (TNCA) (R2=0.31; p=0.03) and in calcaneo-fifth metatarsal angle (CFMA) (R2=0.40; p=0.02) on dorsoplantar view. STA was associated to a greater change in TNCA by 10.1 degrees and in CFMA by 5 degrees. Four patients out of 12 STA complained of sinus tarsi pain after STA, and removal of the implant resolved symptoms in 3 of them. Conclusion: In this series, STA as an adjunct procedure to MCO, FDL transfer, SL repair in the treatment of stage IIb AAFD led to improvement in correction of forefoot abduction. STA-related complication and removal rates were 33%. |
url |
https://doi.org/10.1177/2473011420S00130 |
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