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Higher survival rates in exercise-related out-of-hospital cardiac arrests, compared to non-exercise-related - a study from the Swedish Register of Cardiopulmonary Resuscitation.
Sahlgrenska University Hospital.
Dalarna University.
Sahlgrenska University Hospital.
University of Borås, Faculty of Caring Science, Work Life and Social Welfare.ORCID iD: 0000-0003-4139-6235
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2017 (English)In: European Journal of Preventive Cardiology, ISSN 2047-4873, E-ISSN 2047-4881, Vol. 24, no 15, p. 1673-1679Article in journal (Refereed) Published
Sustainable development
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Abstract [en]

Background Despite the positive effects of physical activity, the risk of sudden cardiac arrest is transiently increased during and immediately after exercise. The purpose of this study was to assess the incidence of exercise-related out-of-hospital cardiac arrest in the general population and to compare characteristics and prognosis of these cardiac arrests with non-exercise-related out-of-hospital cardiac arrests. Methods Data from all cases of treated out-of-hospital cardiac arrest outside of home reported to the Swedish Register of Cardiopulmonary Resuscitation from 2011-2015 in three counties of Sweden were investigated (population 2.1 m). This registry captures almost 100% of all out-of-hospital cardiac arrests in Sweden. Results Of 1825 out-of hospital cardiac arrests, 137 (7.5%) were exercise-related, resulting in an incidence of 1.2 per 100,000 person-years. The 30-day survival rate was significantly higher among exercise-related out-of hospital cardiac arrests compared to non-exercise-related out-of-hospital cardiac arrests (54.3 % vs 19.4%, p < 0.0001). Patients suffering an exercise-related out-of-hospital cardiac arrest were on average 10 years younger than those who had a non-exercise-related out-of-hospital cardiac arrest, 56.4 years compared to 67.2 years. Exercise-related out-of-hospital cardiac arrests were more often witnessed (89.4% vs 78.6%, p = 0.002), had higher rates of bystander cardiopulmonary resuscitation (80.3% vs 61.0%, p < 0.0001) and were more frequently connected to an automated external defibrillator (20.4% vs 4.6%, p < 0.0001). Conclusions Cardiac arrests that occur in relation to exercise have a significantly better prognosis and outcome than non-exercise-related cardiac arrests. This may be explained by favourable circumstances but may also reflect that these persons experience a sudden cardiac arrest at a lower degree of coronary artery disease, due to their younger age and to exercise being a trigger.

Place, publisher, year, edition, pages
2017. Vol. 24, no 15, p. 1673-1679
Keywords [en]
Sudden cardiac death, exercise, resuscitation, sports, sudden cardiac arrest, survival
National Category
Clinical Medicine
Research subject
Människan i vården
Identifiers
URN: urn:nbn:se:hb:diva-13324DOI: 10.1177/2047487317729251ISI: 000413162000016PubMedID: 28870144Scopus ID: 2-s2.0-85031703982OAI: oai:DiVA.org:hb-13324DiVA, id: diva2:1170663
Available from: 2018-01-04 Created: 2018-01-04 Last updated: 2018-01-04Bibliographically approved

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