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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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- Herlitz, Johan, et al.
(author)
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Variability, prediction and prognostic significance of chest pain in acute myocardial infarction
- 1986
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In: Cardiology. - : S. Karger AG. - 0008-6312 .- 1421-9751. ; 73:1, s. 13-21
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Journal article (peer-reviewed)abstract
- The variability of chest pain is described in 389 patients with acute myocardial infarction. Whereas 17% were free from severe pain after arrival in hospital, 11% required more than 10 analgesic injections. In 27% of the series analgesics were given more than 24 h after arrival in hospital. Predictors for the severity of chest pain were the rate-pressure product and degree of chest pain soon after arrival in hospital as well as electrocardiographic signs of myocardial infarction at entry. Patients with more severe chest pain had a higher 2-year mortality rate and a higher incidence of ventricular fibrillation and congestive heart failure during hospitalization.
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- 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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