Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients

Category: Hindfoot Introduction/Purpose: Reconstruction of the stage II adult acquired flatfoot deformity (AAFD) often requires the use of multiple osteotomies and soft-tissue procedures that may not heal well in older patients potentially leading to persistent pain, recurrent flatfoot symptoms, and...

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Main Authors: Matthew Conti MD, Mackenzie Jones BA, Joseph Nguyen MPH, Jonathan Deland MD, Scott Ellis MD
Format: Article
Language:English
Published: SAGE Publishing 2018-04-01
Series:Foot & Ankle Orthopaedics
Online Access:https://doi.org/10.1177/2473011418S00014
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author Matthew Conti MD
Mackenzie Jones BA
Joseph Nguyen MPH
Jonathan Deland MD
Scott Ellis MD
author_facet Matthew Conti MD
Mackenzie Jones BA
Joseph Nguyen MPH
Jonathan Deland MD
Scott Ellis MD
author_sort Matthew Conti MD
collection DOAJ
description Category: Hindfoot Introduction/Purpose: Reconstruction of the stage II adult acquired flatfoot deformity (AAFD) often requires the use of multiple osteotomies and soft-tissue procedures that may not heal well in older patients potentially leading to persistent pain, recurrent flatfoot symptoms, and the need to revise or fuse these patients at a higher rate than younger patients. Thus, some surgeons may advocate performing a double/triple arthrodesis in older patients with severe flexible deformity (Pinney and Lin, FAI 2006). No studies have investigated the clinical outcomes of flatfoot reconstructions in this population. The purpose of our study was to determine whether patients older than 65 years old with stage II AAFD had inferior clinical outcomes or an increased number of subsequent surgical procedures following flatfoot reconstruction when compared with younger patients. Methods: One-hundred and forty consecutive feet (70 right, 70 left) in 137 patients from the authors’ institution who underwent a reconstruction for stage II AAFD performed between January 2007 and March 2015 were eligible for this retrospective study (mean 57.3 years old, range 22.9 to 81.6 years old). Patients were divided into three groups based on age: less than 45 years old (young) (n=20), 45 to 65 years old (middle-aged) (n=88), and 65 years old and older (older) (n=32). Preoperative and postoperative clinical outcomes at a minimum of 2.0 years (mean 3.2 years) were compared using the using the Foot and Ankle Outcome Score (FAOS), which has been validated for AAFD. Hospital records were reviewed to determine if patients underwent a subsequent procedure. One-way ANOVA tests were used to compare the mean change in FAOS scores, and Chi-squared tests were used to compare the number of subsequent procedures for each group. Results: Older patients did not demonstrate any differences in changes in FAOS subscales compared with younger patients (all p- values>0.18) (Figure 1). The mean improvement in the FAOS pain, symptoms, daily activities, sports activities, and quality of life for the older group was 22.8 (p-value=0.50), 12.8 (p-value=0.48), 15.1 (p-value=0.19), 23.3 (p-value=0.45), and 38.1 (p-value=1.0), respectively, which was not different than the mean improvement in younger patients. Additionally, patients in the older group were not more likely to undergo a subsequent arthrodesis (p-value=0.18), revision surgery (p-value=0.65), or removal of hardware (p-value=0.15) than the younger patients. Two patients (6.3%) in the older cohort required a revision of their flatfoot reconstruction compared with nine patients (10.2%) in the middle-aged group and one patient (5.0%) in the young group. Conclusion: Our study indicates that patients over the age of 65 years old with stage II AAFD have improvements in patient- reported outcomes following surgical reconstruction that are not significantly different than younger patients. Additionally, older patients are not more likely to undergo a subsequent arthrodesis, revision procedure, or removal of hardware than patients in the younger cohorts. These results suggest that joint-preserving reconstruction of the stage II AAFD may be performed in older patients with acceptable outcomes.
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spelling doaj.art-5d068aae6ba9447a85b27c28ce9fdf752022-12-21T21:47:05ZengSAGE PublishingFoot & Ankle Orthopaedics2473-01142018-04-01310.1177/2473011418S00014Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older PatientsMatthew Conti MDMackenzie Jones BAJoseph Nguyen MPHJonathan Deland MDScott Ellis MDCategory: Hindfoot Introduction/Purpose: Reconstruction of the stage II adult acquired flatfoot deformity (AAFD) often requires the use of multiple osteotomies and soft-tissue procedures that may not heal well in older patients potentially leading to persistent pain, recurrent flatfoot symptoms, and the need to revise or fuse these patients at a higher rate than younger patients. Thus, some surgeons may advocate performing a double/triple arthrodesis in older patients with severe flexible deformity (Pinney and Lin, FAI 2006). No studies have investigated the clinical outcomes of flatfoot reconstructions in this population. The purpose of our study was to determine whether patients older than 65 years old with stage II AAFD had inferior clinical outcomes or an increased number of subsequent surgical procedures following flatfoot reconstruction when compared with younger patients. Methods: One-hundred and forty consecutive feet (70 right, 70 left) in 137 patients from the authors’ institution who underwent a reconstruction for stage II AAFD performed between January 2007 and March 2015 were eligible for this retrospective study (mean 57.3 years old, range 22.9 to 81.6 years old). Patients were divided into three groups based on age: less than 45 years old (young) (n=20), 45 to 65 years old (middle-aged) (n=88), and 65 years old and older (older) (n=32). Preoperative and postoperative clinical outcomes at a minimum of 2.0 years (mean 3.2 years) were compared using the using the Foot and Ankle Outcome Score (FAOS), which has been validated for AAFD. Hospital records were reviewed to determine if patients underwent a subsequent procedure. One-way ANOVA tests were used to compare the mean change in FAOS scores, and Chi-squared tests were used to compare the number of subsequent procedures for each group. Results: Older patients did not demonstrate any differences in changes in FAOS subscales compared with younger patients (all p- values>0.18) (Figure 1). The mean improvement in the FAOS pain, symptoms, daily activities, sports activities, and quality of life for the older group was 22.8 (p-value=0.50), 12.8 (p-value=0.48), 15.1 (p-value=0.19), 23.3 (p-value=0.45), and 38.1 (p-value=1.0), respectively, which was not different than the mean improvement in younger patients. Additionally, patients in the older group were not more likely to undergo a subsequent arthrodesis (p-value=0.18), revision surgery (p-value=0.65), or removal of hardware (p-value=0.15) than the younger patients. Two patients (6.3%) in the older cohort required a revision of their flatfoot reconstruction compared with nine patients (10.2%) in the middle-aged group and one patient (5.0%) in the young group. Conclusion: Our study indicates that patients over the age of 65 years old with stage II AAFD have improvements in patient- reported outcomes following surgical reconstruction that are not significantly different than younger patients. Additionally, older patients are not more likely to undergo a subsequent arthrodesis, revision procedure, or removal of hardware than patients in the younger cohorts. These results suggest that joint-preserving reconstruction of the stage II AAFD may be performed in older patients with acceptable outcomes.https://doi.org/10.1177/2473011418S00014
spellingShingle Matthew Conti MD
Mackenzie Jones BA
Joseph Nguyen MPH
Jonathan Deland MD
Scott Ellis MD
Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients
Foot & Ankle Orthopaedics
title Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients
title_full Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients
title_fullStr Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients
title_full_unstemmed Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients
title_short Outcomes of Reconstruction of the Stage II Adult Acquired Flatfoot Deformity in Older Patients
title_sort outcomes of reconstruction of the stage ii adult acquired flatfoot deformity in older patients
url https://doi.org/10.1177/2473011418S00014
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