Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/24969
Title: Acute Routine Leukocyte and Neutrophil Counts Are Predictive of Poststroke Recovery at 3 and 12 Months Poststroke: An Exploratory Study.
Austin Authors: Nguyen, Vinh A;Crewther, Sheila G;Howells, David W;Wijeratne, Tissa;Ma, Henry;Hankey, Graeme J;Davis, Stephen;Donnan, Geoffrey A ;Carey, Leeanne M 
Affiliation: La Trobe University, College of Science, Health and Engineering, Bundoora, Victoria, Australia
University of Western Australia, Perth, Western Australia, Australia
University of Tasmania, Hobart, Tasmania, Australia
The Florey Institute of Neuroscience and Mental Health
Melbourne Brain Centre, Royal Melbourne Hospital and University of Melbourne, Parkville, Victoria, Australia
Department of Medcine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
Melbourne Medical School, Western Health, Sunshine Hospital, St Albans, Victoria, Australia
Issue Date: Sep-2020
Date: 2020-09
Publication information: Neurorehabilitation and Neural Repair 2020; 34(9): 844-855
Abstract: Background and Aims. White blood cell (WBC) and neutrophil counts (NC) are common markers of inflammation and neurological stroke damage and could be expected to predict poststroke outcomes. Objective. The aim of this study was to explore the prognostic value of early poststroke WBC and NC to predict cognition, mood, and disability outcomes at 3 and 12 months poststroke. Methods. Routine clinical analyses WBC and NC were collected at 3 time points in the first 4 days of hospitalization from 156 acute stroke patients. Correlations using hierarchical or ordinal regressions were explored between acute WBC and NC and functional recovery, depression, and cognition at 3 and 12 months poststroke, after covarying for age and baseline stroke severity. Results. We found significant increases in NC between <12 hours and 24 to 48 hours time points (P = .05). Hierarchical regressions, covaried for age and baseline stroke severity, found that 24 to 48 hours WBC (P = .05) and NC (P = .04) significantly predicted 3-month cognition scores. Similarly, 24 to 48 hours WBC (P = .05) and NC (P = .02) predicted cognition scores at 12 months. Increases in WBC and NC were predictive of increased cognition scores at both 3 and 12 months (positive recovery) though there were no significant associations between WBC and NC and disability or depression scores. Conclusions. Routine acute stroke clinical laboratory tests such as WBC and NC taken between 24 and 48 hours poststroke are predictive of cognition poststroke. It is interpreted that higher rapid immunological activation in the acute phase is an indicator for the trajectory of positive stroke recovery.
URI: https://ahro.austin.org.au/austinjspui/handle/1/24969
DOI: 10.1177/1545968320948607
ORCID: 0000-0001-7073-4278
Journal: Neurorehabilitation and Neural Repair
PubMed URL: 32940147
Type: Journal Article
Subjects: blood biomarkers
cognition
leukocyte
neutrophil
postStroke recovery
white blood cell
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