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Lidington D, Wan H, Dinh DD, Ng C, Bolz SS. Circadian Rhythmicity in Cerebral Microvascular Tone Influences Subarachnoid Hemorrhage-Induced Injury. Stroke 2021; 53:249-259. [PMID: 34905942 PMCID: PMC8700310 DOI: 10.1161/strokeaha.121.036950] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Supplemental Digital Content is available in the text. Circadian rhythms influence the extent of brain injury following subarachnoid hemorrhage (SAH), but the mechanism is unknown. We hypothesized that cerebrovascular myogenic reactivity is rhythmic and explains the circadian variation in SAH-induced injury.
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Affiliation(s)
- Darcy Lidington
- Department of Physiology (D.L., H.W., D.D.D., C.N., S.-S.B.), University of Toronto, Canada.,Toronto Centre for Microvascular Medicine at The Ted Rogers Centre for Heart Research Translational Biology and Engineering Program (D.L., H.W., D.D.D., C.N., S-S.B.), University of Toronto, Canada
| | - Hoyee Wan
- Department of Physiology (D.L., H.W., D.D.D., C.N., S.-S.B.), University of Toronto, Canada.,Toronto Centre for Microvascular Medicine at The Ted Rogers Centre for Heart Research Translational Biology and Engineering Program (D.L., H.W., D.D.D., C.N., S-S.B.), University of Toronto, Canada
| | - Danny D Dinh
- Department of Physiology (D.L., H.W., D.D.D., C.N., S.-S.B.), University of Toronto, Canada.,Toronto Centre for Microvascular Medicine at The Ted Rogers Centre for Heart Research Translational Biology and Engineering Program (D.L., H.W., D.D.D., C.N., S-S.B.), University of Toronto, Canada
| | - Chloe Ng
- Department of Physiology (D.L., H.W., D.D.D., C.N., S.-S.B.), University of Toronto, Canada.,Toronto Centre for Microvascular Medicine at The Ted Rogers Centre for Heart Research Translational Biology and Engineering Program (D.L., H.W., D.D.D., C.N., S-S.B.), University of Toronto, Canada
| | - Steffen-Sebastian Bolz
- Department of Physiology (D.L., H.W., D.D.D., C.N., S.-S.B.), University of Toronto, Canada.,Toronto Centre for Microvascular Medicine at The Ted Rogers Centre for Heart Research Translational Biology and Engineering Program (D.L., H.W., D.D.D., C.N., S-S.B.), University of Toronto, Canada.,Heart & Stroke/Richard Lewar Centre of Excellence for Cardiovascular Research (S-S.B.), University of Toronto, Canada
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