Development of a Clinical Rating Scale for the Severity of Apraxia of Eyelid Opening, Either Isolated or Associated with Blepharospasm.
dystonia, blepharospasm, apraxia of eyelid opening, basal ganglia, orbicularis oculi muscle spasm.
Journal
Movement disorders clinical practice
ISSN: 2330-1619
Titre abrégé: Mov Disord Clin Pract
Pays: United States
ID NLM: 101630279
Informations de publication
Date de publication:
Nov 2020
Nov 2020
Historique:
received:
16
04
2020
revised:
05
08
2020
accepted:
23
08
2020
entrez:
9
11
2020
pubmed:
10
11
2020
medline:
10
11
2020
Statut:
epublish
Résumé
Apraxia of eyelid opening is a movement disorder characterized by an inability to raise the eyelids without any overt contractions of the orbicularis oculi muscle. There is currently no clinical scale to rate the severity of this condition. To develop and validate a novel scale that considers phenomenological aspects relevant to the severity of the condition. The study sample included 20 patients with apraxia of eyelid opening, either isolated (9 patients) or associated with blepharospasm (11 patients). To validate the scale, selected features were checked for reliability, reliable items were combined to generate the scale, and clinimetric properties were evaluated. The novel severity scale yielded acceptable reliability, scaling assumptions, internal consistency, and sensitivity to change; a lack of floor and ceiling effects; and no correlation with the blepharospasm severity rating scale. We propose a severity scale that considers the most relevant apraxia of eyelid opening motor abnormalities based on objective criteria. This scale can be reliably administered by general neurologists after a brief training.
Sections du résumé
BACKGROUND
BACKGROUND
Apraxia of eyelid opening is a movement disorder characterized by an inability to raise the eyelids without any overt contractions of the orbicularis oculi muscle. There is currently no clinical scale to rate the severity of this condition.
OBJECTIVES
OBJECTIVE
To develop and validate a novel scale that considers phenomenological aspects relevant to the severity of the condition.
METHODS
METHODS
The study sample included 20 patients with apraxia of eyelid opening, either isolated (9 patients) or associated with blepharospasm (11 patients). To validate the scale, selected features were checked for reliability, reliable items were combined to generate the scale, and clinimetric properties were evaluated.
RESULTS
RESULTS
The novel severity scale yielded acceptable reliability, scaling assumptions, internal consistency, and sensitivity to change; a lack of floor and ceiling effects; and no correlation with the blepharospasm severity rating scale.
CONCLUSIONS
CONCLUSIONS
We propose a severity scale that considers the most relevant apraxia of eyelid opening motor abnormalities based on objective criteria. This scale can be reliably administered by general neurologists after a brief training.
Identifiants
pubmed: 33163566
doi: 10.1002/mdc3.13083
pii: MDC313083
pmc: PMC7604665
doi:
Types de publication
Journal Article
Langues
eng
Pagination
950-954Informations de copyright
© 2020 International Parkinson and Movement Disorder Society.
Déclaration de conflit d'intérêts
No specific funding was received for this work, and the authors declare that there are no conflicts of interest relevant to this work.
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