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Validation of the Hemifacial Spasm Grading Scale: a clinical tool for hemifacial spasm.

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Title: Validation of the Hemifacial Spasm Grading Scale: a clinical tool for hemifacial spasm.
Authors: Tambasco, Nicola (AUTHOR), Simoni, Simone (AUTHOR), Sacchini, Elisa (AUTHOR), Eusebi, Paolo (AUTHOR), Marsili, Erica (AUTHOR), Nigro, Pasquale (AUTHOR), Brahimi, Elona (AUTHOR), Paoletti, Federico Paolini (AUTHOR), Romoli, Michele (AUTHOR), Calabresi, Paolo (AUTHOR)
Source: Neurological Sciences. Sep2019, Vol. 40 Issue 9, p1887-1892. 6p. 4 Charts.
Subjects: Spasms, Botulinum toxin, Test validity, Movement disorders, Video recording
Abstract: Background: To create an objective rating tool for hemifacial spasm (HFS) and validate it on a cohort of patients.Methods: A panel of movement disorders specialists elaborated, through the Delphi method, the Hemifacial Spasm Grading Scale (HSGS). The validity of the scale was tested in a longitudinal, prospective observational study, with standardized video recording protocol before and after botulinum neurotoxin (BoNT) treatment. The video recordings obtained from each patient were then independently assessed with HSGS by three blinded raters. The scale was compared to patient-reported HFS-7 scale and to the clinical grading of spasm intensity scale.Results: Intra-rater reproducibility ranged between ICC 0.73 (95% CI = 0.54-0.86) and 0.83 (0.68-0.92) and inter-rater reproducibility between 0.62 (95% CI = 0.44-0.77) and 0.82 (0.69-0.90). HSGS scores correlated with clinical grading of spasm intensity scale scores, but not with HFS-7. HSGS confirmed BoNT efficacy, with scores lowering at 1 month from treatment.Conclusions: HSGS represents an objective, quick and reliable scale for the assessment of HFS, and might be useful to monitor BoNT treatment efficacy over time. [ABSTRACT FROM AUTHOR]
Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Validation of the Hemifacial Spasm Grading Scale: a clinical tool for hemifacial spasm.
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  Data: <searchLink fieldCode="AR" term="%22Tambasco%2C+Nicola%22">Tambasco, Nicola</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Simoni%2C+Simone%22">Simoni, Simone</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sacchini%2C+Elisa%22">Sacchini, Elisa</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eusebi%2C+Paolo%22">Eusebi, Paolo</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Marsili%2C+Erica%22">Marsili, Erica</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nigro%2C+Pasquale%22">Nigro, Pasquale</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Brahimi%2C+Elona%22">Brahimi, Elona</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Paoletti%2C+Federico+Paolini%22">Paoletti, Federico Paolini</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Romoli%2C+Michele%22">Romoli, Michele</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Calabresi%2C+Paolo%22">Calabresi, Paolo</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Neurological+Sciences%22">Neurological Sciences</searchLink>. Sep2019, Vol. 40 Issue 9, p1887-1892. 6p. 4 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Spasms%22">Spasms</searchLink><br /><searchLink fieldCode="DE" term="%22Botulinum+toxin%22">Botulinum toxin</searchLink><br /><searchLink fieldCode="DE" term="%22Test+validity%22">Test validity</searchLink><br /><searchLink fieldCode="DE" term="%22Movement+disorders%22">Movement disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Video+recording%22">Video recording</searchLink>
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  Data: <bold>Background: </bold>To create an objective rating tool for hemifacial spasm (HFS) and validate it on a cohort of patients.<bold>Methods: </bold>A panel of movement disorders specialists elaborated, through the Delphi method, the Hemifacial Spasm Grading Scale (HSGS). The validity of the scale was tested in a longitudinal, prospective observational study, with standardized video recording protocol before and after botulinum neurotoxin (BoNT) treatment. The video recordings obtained from each patient were then independently assessed with HSGS by three blinded raters. The scale was compared to patient-reported HFS-7 scale and to the clinical grading of spasm intensity scale.<bold>Results: </bold>Intra-rater reproducibility ranged between ICC 0.73 (95% CI = 0.54-0.86) and 0.83 (0.68-0.92) and inter-rater reproducibility between 0.62 (95% CI = 0.44-0.77) and 0.82 (0.69-0.90). HSGS scores correlated with clinical grading of spasm intensity scale scores, but not with HFS-7. HSGS confirmed BoNT efficacy, with scores lowering at 1 month from treatment.<bold>Conclusions: </bold>HSGS represents an objective, quick and reliable scale for the assessment of HFS, and might be useful to monitor BoNT treatment efficacy over time. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Neurological Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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