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Smyth A, O’Donnell M, Hankey GJ, Rangarajan S, Lopez-Jaramillo P, Xavier D, Zhang H, Canavan M, Damasceno A, Langhorne P, Avezum A, Pogosova N, Oguz A, Yusuf S. Anger or emotional upset and heavy physical exertion as triggers of stroke: the INTERSTROKE study. Eur Heart J 2022; 43:202-209. [PMID: 34850877 PMCID: PMC10503880 DOI: 10.1093/eurheartj/ehab738] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 08/19/2021] [Accepted: 10/10/2021] [Indexed: 12/27/2022] Open
Abstract
AIMS In INTERSTROKE, we explored the association of anger or emotional upset and heavy physical exertion with acute stroke, to determine the importance of triggers in a large, international population. METHODS AND RESULTS INTERSTROKE was a case-control study of first stroke in 32 countries. Using 13 462 cases of acute stroke we adopted a case-crossover approach to determine whether a trigger within 1 hour of symptom onset (case period), vs. the same time on the previous day (control period), was associated with acute stroke. A total of 9.2% (n = 1233) were angry or emotional upset and 5.3% (n = 708) engaged in heavy physical exertion during the case period. Anger or emotional upset in the case period was associated with increased odds of all stroke [odds ratio (OR) 1.37, 99% confidence interval (CI), 1.15-1.64], ischaemic stroke (OR 1.22, 99% CI, 1.00-1.49), and intracerebral haemorrhage (ICH) (OR 2.05, 99% CI 1.40-2.99). Heavy physical exertion in the case period was associated with increased odds of ICH (OR 1.62, 99% CI 1.03-2.55) but not with all stroke or ischaemic stroke. There was no modifying effect by region, prior cardiovascular disease, risk factors, cardiovascular medications, time, or day of symptom onset. Compared with exposure to neither trigger during the control period, the odds of stroke associated with exposure to both triggers were not additive. CONCLUSION Acute anger or emotional upset was associated with the onset of all stroke, ischaemic stroke, and ICH, while acute heavy physical exertion was associated with ICH only.
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Affiliation(s)
- Andrew Smyth
- Population Health Research Institute, McMaster University and Hamilton Health Sciences, 2387 Barton Street East, Hamilton, ON, Canada
- HRB Clinical Research Facility Galway, School of Medicine, NUI Galway, University Road, Galway, Ireland
- Department of Nephrology, Galway University Hospital, Saolta University Health Care Group, Newcastle Road, Galway, Ireland
| | - Martin O’Donnell
- Population Health Research Institute, McMaster University and Hamilton Health Sciences, 2387 Barton Street East, Hamilton, ON, Canada
- HRB Clinical Research Facility Galway, School of Medicine, NUI Galway, University Road, Galway, Ireland
| | - Graeme J Hankey
- Medical School, Faculty of Health and Medical Sciences, The University of Western Australia, 35 Stirling Highway, Perth, WA, Australia
| | - Sumathy Rangarajan
- Population Health Research Institute, McMaster University and Hamilton Health Sciences, 2387 Barton Street East, Hamilton, ON, Canada
| | - Patricio Lopez-Jaramillo
- Instituto de Investigaciones Masira, Escuela de Medicina, Universidad de Santander (UDES), Calle 70 N 55-210, Bucaramanga, Colombia
| | - Denis Xavier
- St John's Medical College and Research Institute, 100 Feet Rd, John Nagar, Koramangala, Bangalore, India
| | - Hongye Zhang
- Beijing Hypertension League Institute, Fuxingroad Road 36A, Beijing, China
| | - Michelle Canavan
- HRB Clinical Research Facility Galway, School of Medicine, NUI Galway, University Road, Galway, Ireland
| | - Albertino Damasceno
- Faculty of Medicine, Eduardo Mondlane University, 3453 Avenida Julius Nyere, Maputo, Mozambique
| | - Peter Langhorne
- Academic Section of Geriatric Medicine, Glasgow Royal Infirmary, University of Glasgow, 84 Castle Street, Glasgow, UK
| | - Alvaro Avezum
- Hospital Alemao Oswaldo Cruz, R. Treze de Maio, 1815-Bela Vista, Sao Paulo, Brazil
| | - Nana Pogosova
- National Medical Research Center of Cardiology, 3-Ya CherepkovskayaUlitsa, 15A, Moscow, Russia
| | - Aytekin Oguz
- Department of Internal Medicine, Faculty of Medicine, Istanbul Medeniyet University, Dumlupinar Mahallesi, D100 Karayolu No. 98, Istanbul, Turkey
| | - Salim Yusuf
- Population Health Research Institute, McMaster University and Hamilton Health Sciences, 2387 Barton Street East, Hamilton, ON, Canada
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