Is the Prevalence of Equinus Foot in Cerebral Palsy Overestimated? Results from a Meta-Analysis of 4814 Feet

Background: Equinus is a common foot deformity in patients with cerebral palsy (CP). However, its prevalence is scarcely reported in the literature. Therefore, we conducted this review to estimate the prevalence of equinus foot in CP. Methods: Eight databases were searched. Our primary outcome was t...

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Published inJournal of clinical medicine Vol. 10; no. 18; p. 4128
Main Authors Horsch, Axel, Klotz, Matthias C. M., Platzer, Hadrian, Seide, Svenja, Zeaiter, Nancy, Ghandour, Maher
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 13.09.2021
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Abstract Background: Equinus is a common foot deformity in patients with cerebral palsy (CP). However, its prevalence is scarcely reported in the literature. Therefore, we conducted this review to estimate the prevalence of equinus foot in CP. Methods: Eight databases were searched. Our primary outcome was the prevalence of equinus foot in CP patients. Subgroup analysis was conducted based on study design, the laterality of CP, and whether equinus foot was defined or not. Results: The prevalence of equinus foot in CP was 93% (95% CI: 71–99). The prevalence was 99% (95% CI: 55–100), 96% (95% CI: 57–100), and 65% (95% CI: 37–86) in unilateral, both, and bilateral CP, respectively. Based on study design, equinus foot prevalence was 92% (95% CI: 34–100) in case series and 62% (95% CI: 47–74) in cohort studies. Four studies reported definition criteria for equinus foot, with a pooled prevalence rate of equinus foot of 99% (95% CI: 36–100) compared to a rate of 89% (95% CI: 59–98) among studies that lacked a definition criterion. Conclusions: This is the first meta-analysis to address the prevalence of equinus foot in CP patients. Although its prevalence is very high, our findings should be interpreted with caution due to the presence of multiple limitations, such as the lack of standardized definition criteria for equinus foot, the inappropriate study design, the wide confidence interval of equinus foot rate, and the small number of studies investigating it as a primary outcome.
AbstractList BACKGROUNDEquinus is a common foot deformity in patients with cerebral palsy (CP). However, its prevalence is scarcely reported in the literature. Therefore, we conducted this review to estimate the prevalence of equinus foot in CP. METHODSEight databases were searched. Our primary outcome was the prevalence of equinus foot in CP patients. Subgroup analysis was conducted based on study design, the laterality of CP, and whether equinus foot was defined or not. RESULTSThe prevalence of equinus foot in CP was 93% (95% CI: 71-99). The prevalence was 99% (95% CI: 55-100), 96% (95% CI: 57-100), and 65% (95% CI: 37-86) in unilateral, both, and bilateral CP, respectively. Based on study design, equinus foot prevalence was 92% (95% CI: 34-100) in case series and 62% (95% CI: 47-74) in cohort studies. Four studies reported definition criteria for equinus foot, with a pooled prevalence rate of equinus foot of 99% (95% CI: 36-100) compared to a rate of 89% (95% CI: 59-98) among studies that lacked a definition criterion. CONCLUSIONSThis is the first meta-analysis to address the prevalence of equinus foot in CP patients. Although its prevalence is very high, our findings should be interpreted with caution due to the presence of multiple limitations, such as the lack of standardized definition criteria for equinus foot, the inappropriate study design, the wide confidence interval of equinus foot rate, and the small number of studies investigating it as a primary outcome.
Background: Equinus is a common foot deformity in patients with cerebral palsy (CP). However, its prevalence is scarcely reported in the literature. Therefore, we conducted this review to estimate the prevalence of equinus foot in CP. Methods: Eight databases were searched. Our primary outcome was the prevalence of equinus foot in CP patients. Subgroup analysis was conducted based on study design, the laterality of CP, and whether equinus foot was defined or not. Results: The prevalence of equinus foot in CP was 93% (95% CI: 71–99). The prevalence was 99% (95% CI: 55–100), 96% (95% CI: 57–100), and 65% (95% CI: 37–86) in unilateral, both, and bilateral CP, respectively. Based on study design, equinus foot prevalence was 92% (95% CI: 34–100) in case series and 62% (95% CI: 47–74) in cohort studies. Four studies reported definition criteria for equinus foot, with a pooled prevalence rate of equinus foot of 99% (95% CI: 36–100) compared to a rate of 89% (95% CI: 59–98) among studies that lacked a definition criterion. Conclusions: This is the first meta-analysis to address the prevalence of equinus foot in CP patients. Although its prevalence is very high, our findings should be interpreted with caution due to the presence of multiple limitations, such as the lack of standardized definition criteria for equinus foot, the inappropriate study design, the wide confidence interval of equinus foot rate, and the small number of studies investigating it as a primary outcome.
Author Horsch, Axel
Seide, Svenja
Zeaiter, Nancy
Ghandour, Maher
Klotz, Matthias C M
Platzer, Hadrian
AuthorAffiliation 3 Institute of Medical Biometry, University of Heidelberg, 69120 Heidelberg, Germany; seide@imbi.uni-heidelberg.de
1 Department of Orthopedics and Trauma Surgery, Heidelberg University Hospital, 69118 Heidelberg, Germany; hadrian.platzer@med.uni-heidelberg.de (H.P.); dr.ghandour@hotmail.com (M.G.)
2 Marienkrankenhaus Soest, Orthopedics and Trauma Surgery, 59494 Soest, Germany; mcmklotz@gmx.net
4 Department of Plastic Surgery, Al Zahraa Hospital University Medical Center, Beirut 1003, Lebanon; zeaiternancy@gmail.com
AuthorAffiliation_xml – name: 2 Marienkrankenhaus Soest, Orthopedics and Trauma Surgery, 59494 Soest, Germany; mcmklotz@gmx.net
– name: 1 Department of Orthopedics and Trauma Surgery, Heidelberg University Hospital, 69118 Heidelberg, Germany; hadrian.platzer@med.uni-heidelberg.de (H.P.); dr.ghandour@hotmail.com (M.G.)
– name: 3 Institute of Medical Biometry, University of Heidelberg, 69120 Heidelberg, Germany; seide@imbi.uni-heidelberg.de
– name: 4 Department of Plastic Surgery, Al Zahraa Hospital University Medical Center, Beirut 1003, Lebanon; zeaiternancy@gmail.com
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Snippet Background: Equinus is a common foot deformity in patients with cerebral palsy (CP). However, its prevalence is scarcely reported in the literature. Therefore,...
BACKGROUNDEquinus is a common foot deformity in patients with cerebral palsy (CP). However, its prevalence is scarcely reported in the literature. Therefore,...
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proquest
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StartPage 4128
SubjectTerms Ankle
Cerebral palsy
Clinical medicine
Gait
Meta-analysis
Review
Systematic review
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Title Is the Prevalence of Equinus Foot in Cerebral Palsy Overestimated? Results from a Meta-Analysis of 4814 Feet
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Volume 10
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