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- Herlitz, Johan, et al.
(author)
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Effect of media campaign on delay times and ambulance use in suspected acut myocardial infarction
- 1989
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In: American Journal of Cardiology. - : Excerpta Medica, Inc.. - 0002-9149 .- 1879-1913. ; 64:1, s. 90-93
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Journal article (peer-reviewed)abstract
- The early phase in suspected acute myocardial infarction (AMI) is particularly critical. More than 50% of deaths from coronary artery disease occur outside the hospital mainly due to ventricular fibrillation.1 Recent experiences strongly indicate that early intervention with thrombolysis2–4 and β blockers5,6 can limit myocardial damage and thereby improve prognosis. Delay times in suspected AMI have remained stable over the years. Therefore, a media campaign was started in the urban area of Göteborg, Sweden, with the intention to shorten delay times and to increase ambulance use in patients with suspected AMI.
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| 4. |
- Herlitz, Johan, et al.
(author)
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Delay time in suspected acute myocardial infarction and the importance of its modification
- 1989
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In: Clinical Cardiology. - : John Wiley & Sons, Inc.. - 0160-9289 .- 1932-8737. ; 12:7, s. 370-374
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Journal article (peer-reviewed)abstract
- This paper summarizes the present knowledge of delay time in suspected acute myocardial infarction. More than 50% of deaths in acute myocardial infarction occur outside of the hospital setting. Recent experiences indicate that early and even late mortality can be dramatically reduced by intervention in the early phase. This points up the importance of bringing patients with suspected acute myocardial infarction to the hospital as early in the course of MI as possible. The predominating cause of delay is the time it takes for the patient to decide to go to hospital regardless of a previous history of cardiovascular disease. Patients arriving in hospital in later stages of MI are at a very high risk of mortality. Therefore one of the most important problems to be resolved is how to reduce delay time in suspected acute myocardial infarction. Such efforts have been surprisingly few. Limited experiences indicate that public education can reduce delay time dramatically.
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| 7. |
- Ulfvarson, U, et al.
(author)
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Effects of exposure to vehicle exhaust on health
- 1987
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In: Scandinavian Journal of Work, Environment and Health. - : Scandinavian Journal of Work, Environment and Health. - 0355-3140 .- 1795-990X. ; 13:6, s. 505-512
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Journal article (peer-reviewed)abstract
- Exposure to combustion engine exhaust and its effect on crews of roll-on roll-off ships and car ferries and on bus garage staff were studied. The peak concentrations recorded for some of the substances studied were as follows: total particulates (diesel only) 1.0 mg/m3, benzene (diesel) 0.3 mg/m3, formaldehyde (gasoline and diesel) 0.8 mg/m3, and nitrogen dioxide (diesel) 1.2 mg/m3. The highest observed concentration of benzo(a)pyrene was 30 ng/m3 from gasoline and diesel exhaust. In an experimental study volunteers were exposed to diesel exhaust diluted with air to achieve a nitrogen dioxide concentration of 3.8 mg/m3. Pulmonary function was affected during a workday of occupational exposure to engine emissions, but it normalized after a few days with no exposure. The impairment of pulmonary function was judged to have no appreciable, adverse, short-term impact on individual work capacity. In the experimental exposure study, no effect on pulmonary function was observed. Analyses of urinary mutagenicity and thioether excretion showed no sign of exposure to genotoxic compounds among the occupationally exposed workers or among the subjects in the experimental study.
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