Brain Neurorehabil.  2016 Sep;9(2):e6. 10.12786/bn.2016.9.e6.

Prevalence Rate of Spasticity at 3 Months after Stroke in Korea: The Korean Stroke Cohort for Functioning and Rehabilitation (KOSCO) Study

Affiliations
  • 1Department of Rehabilitation Medicine, Pusan National University Hospital, Busan, Korea.
  • 2Department of Rehabilitation Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea. rmshin@pusan.ac.kr
  • 3Research Institute of Convergence for Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
  • 4Division of Biostatistics, Pusan National University Yangsan Hospital, Yangsan, Korea.
  • 5Department of Rehabilitation Medicine and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea.
  • 6Department of Rehabilitation Medicine, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea.
  • 7Department of Rehabilitation Medicine, Chungnam National University School of Medicine, Daejeon, Korea.
  • 8Department of Physical and Rehabilitation Medicine, Chonnam National University Medical School, Gwangju, Korea.
  • 9Department of Preventive Medicine, Wonkwang University School of Medicine, Iksan, Korea.
  • 10Department of Rehabilitation Medicine, Kyungpook National University School of Medicine, Kyungpook National University Hospital, Daegu, Korea.
  • 11Department of Rehabilitation Medicine, Wonkwang University School of Medicine, Iksan, Korea.
  • 12Department of Rehabilitation Medicine, Jeju National University School of Medicine, Jeju National University Hospital, Jeju, Korea.
  • 13Department of Physical and Rehabilitation Medicine, Center for Prevention and Rehabilitation, Heart Vascular and Stroke Institute, Samsung Medical Center, Sungkyunkwan University, Seoul, Korea. yunkim@skku.edu

Abstract

The aim of this study was to investigate prevalence and risk factors associated with spasticity at 3 months after a first-ever stroke in Korean patients. This cohort study included consecutive patients with first-ever stroke who were admitted to 9 participated hospitals in different areas of Korea. The Modified Ashworth Scale (MAS), which defines spasticity as MAS > 1 in any of the examined joints was used to assess patients 3 months after stroke occurrence. The prevalence of spasticity was 7.3% (339 of 4,658 patients), 3 months after stroke onset. Spasticity was more frequent in upper extremity (6.7%) than lower extremity (4.3%). Severity of spasticity was as follows: 63.1%: MAS I, 23.3%: MAS I+, 9.4%: MAS II, 2.6%: MAS III, and 1.4%: MAS IV. Stroke type (hemorrhagic) (p < 0.05) were identified as correlated risk factors. Patients with spasticity scored higher with National Institute of Health Stroke Scale (NIHSS) and lower with modified Rankin Scale (mRS) than non-spastic patients (p < 0.001). This study showed 7.3% prevalence of spasticity in Korean first-ever stroke patients at 3 months, and identified those who carried higher risks of developing spasticity who would particularly benefit from preventive or therapeutic strategies. It would contribute to assessing spasticity in patients with first-ever stroke in Korea.

Keyword

Spasticity; Stroke; Prevalence; Modified Ashworth Scale
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