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Validation of the modified Ashworth scale in Russia
- Authors: Suponeva N.A.1, Yusupova D.G.1, Ilyina K.A.2, Melchenko D.A.3, Butkovskaya A.A.1, Zhirova E.S.1, Taratukhina A.S.1, Zimin A.A.1, Zaitsev A.B.4, Klochkov A.S.1, Lyukmanov R.K.1, Kotov-Smolensky A.M.1, Khizhnikova A.E.1, Gatina G.A.5, Kutlubaev M.A.6, Piradov M.A.1
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Affiliations:
- Research Center of Neurology
- Lomonosov Moscow State University
- Peoples' Friendship University of Russia
- I.M. Sechenov First Moscow State Medical University
- Dagestan State Medical University
- Bashkir State Medical University
- Issue: Vol 14, No 1 (2020)
- Pages: 89-96
- Section: Technologies
- Submitted: 25.03.2020
- Published: 26.03.2020
- URL: https://annaly-nevrologii.com/journal/pathID/article/view/640
- DOI: https://doi.org/10.25692/ACEN.2020.1.10
- ID: 640
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Abstract
Spasticity after stroke is a factor that causes disability and restricts activities of daily living, and represents a problem for both doctors and patients’ relatives. At the present time, the modified Ashworth scale (MAS) is a useful method of assessing increased muscle tone in patients after a cerebrovascular incident.
The aim of the work is the linguistic and cultural adaptation of the MAS, with subsequent evaluation of its psychometric properties.
Materials and methods. The study included 50 patients. The validation procedure consisted of linguistic and cultural adaptation and evaluation of the psychometric properties of the Russian language version of the MAS. Test-retest was used to examine reliability (calculating Spearman’s rank correlation coefficient) and Cohen’s kappa coefficient was used to evaluate inter-rater agreement. Criterion validity was assessed by comparing the MAS results with the Spasticity Scale score of the Research Centre of Neurology. Sensitivity was measured using Wilcoxon nonparametric test, which reflects the statistical significance of intertest differences before and after rehabilitation measures.
Results. Test-retest analysis showed a significant correlation (0.87) between reassessment results. Inter-rater reliability was average (0.56), which confirms the scale’s subjectivity and proves that patient assessment over time should be performed by the same investigator whenever possible. The correlation coefficient between the MAS and the Spasticity Scale of the Research Centre of Neurology was 0.79. Statistically significant differences were found when patients were reassessed after rehabilitation treatment (p<0.0001).
Conclusion. The Russian version of the MAS is a valid, reliable, and sensitive instrument, which can be recommended for use in clinical practice, both for the initial assessment of spasticity and for monitoring the effect of treatment.
About the authors
Natalya A. Suponeva
Research Center of Neurology
Email: dzhamilya-d@mail.ru
ORCID iD: 0000-0003-3956-6362
D. Sci. (Med.), Professor, Corresponding Member of the Russian Academy of Sciences, principal researcher, Department of neurorehabilitation and physiotherapy
Россия, MoscowDzhamilya G. Yusupova
Research Center of Neurology
Author for correspondence.
Email: dzhamilya-d@mail.ru
Россия, Moscow
Kseniya A. Ilyina
Lomonosov Moscow State University
Email: dzhamilya-d@mail.ru
Россия, Moscow
Danila A. Melchenko
Peoples' Friendship University of Russia
Email: dzhamilya-d@mail.ru
Россия, Moscow
Anastasiya A. Butkovskaya
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Ekaterina S. Zhirova
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Anna S. Taratukhina
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Aleksey A. Zimin
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Aleksandr B. Zaitsev
I.M. Sechenov First Moscow State Medical University
Email: dzhamilya-d@mail.ru
Россия, Moscow
Anton S. Klochkov
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Roman Kh. Lyukmanov
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Artem M. Kotov-Smolensky
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Anastasia E. Khizhnikova
Research Center of Neurology
Email: dzhamilya-d@mail.ru
Россия, Moscow
Guzel A. Gatina
Dagestan State Medical University
Email: dzhamilya-d@mail.ru
Россия, Makhachkala
Mansur A. Kutlubaev
Bashkir State Medical University
Email: dzhamilya-d@mail.ru
Россия, Ufa
Mikhail A. Piradov
Research Center of Neurology
Email: dzhamilya-d@mail.ru
ORCID iD: 0000-0002-6338-0392
D. Sci. (Med.), Professor, Academician of the Russian Academy of Sciences, Director
Россия, MoscowReferences
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СМИ зарегистрировано Федеральной службой по надзору в сфере связи, информационных технологий и массовых коммуникаций (Роскомнадзор).