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Significance of Hypokalemia in Functional Outcomes of Patients with Subacute Stroke

Authors
 Young Seok Kim  ;  Yoon Ghil Park  ;  Jinyoung Park  ;  Hosung Yi  ;  Eu Jeong Ko 
Citation
 Brain & Neurorehabilitation, Vol.12(2) : e13, 2019-09 
Journal Title
 Brain & Neurorehabilitation 
ISSN
 1976-8753 
Issue Date
2019-09
Keywords
Stroke ; Stroke Rehabilitation ; Hypokalemia
Abstract
This retrospective case-control study aimed to the effect of hypokalemia on the functional outcomes of patients with subacute stroke. A total of 96 post-stroke hemiplegic patients admitted to an inpatient clinic of the department of rehabilitation medicine between March 2014 and February 2018 were recruited. Serum potassium level was assessed at the time of admission, and the patients with hypokalemia on admission or within 7 days after onset were classified into the hypokalemic group. Functional assessments using the Hemispheric Stroke Scale (HSS), Functional Ambulation Category (FAC), Functional Independence Measure for locomotion, and Mini Mental Status Examination were performed. The primary outcome was the change in functional score during rehabilitation. No significant intergroup differences in baseline characteristics were found except hospital stay duration and use of diuretics. FAC recovery (0.91 vs. 1.66, p = 0.001), HSS lower extremity and total motor scores (0.37 vs. 1.10, p = 0.01; 0.83 vs. 2.18, p = 0.02, respectively) were significantly lower in the hypokalemic group. Pearson correlation analysis of the initial serum potassium level and functional recovery revealed significant correlations with the FAC or HSS lower extremity and total motor scores (p = 0.001, p = 0.01, and p = 0.04, respectively).
DOI
10.12786/bn.2019.12.e13
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Park, Yoon Ghil(박윤길) ORCID logo https://orcid.org/0000-0001-9054-5300
Park, Jinyoung(박진영) ORCID logo https://orcid.org/0000-0003-4042-9779
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178388
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