| Titre : | Mild myocardial infarction : A classification problem in epidemiologic studies. (1997) |
| Auteurs : | V. SALOMAA ; A. DOBSON ; K. KUULASMAA ; H. MIETTINEN ; A.M. RAJAKANGAS |
| Type de document : | Article |
| Dans : | Journal of clinical epidemiology (vol. 50, n° 1, 1997) |
| Pagination : | 3-13 |
| Langues: | Anglais |
| Mots-clés : | Infarctus ; Myocarde ; Epidémiologie ; Registre ; Classification ; Définition ; Homme ; Méthodologie ; Appareil circulatoire [pathologie] ; Cardiopathie coronaire ; Myocarde [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST sjR0xggf. Diffusion soumise à autorisation]. In studies assessing the trends in coronary events, such as the World Health Organization (WHO) MONICA Project (multinational MONItoring of trends and determinants of CArdiovascular disease), the main emphasis has been on coronary deaths and non-fatal definite myocardial infarctions (MI). It is, however, possible that the proportion of milder MIs may be increasing because of improvements in treatment and reductions in levels of risk factors. We used the MI register data of the WHO MONICA Project to investigate several definitions for mild non-fatal MIs that would be applicable in various settings and could be used to assess trends in milder coronary events. Of 38 populations participating in the WHO MONICA MI register study, more than half registered a sufficiently wide spectrum of events that it was possible to identify subsets of milder cases. The event rates and case-fatality rates of MI are clearly dependent on the spectrum of non-fatal MIs, which are included. On clinical grounds we propose that the original MONICA category "non-fatal possible MI" could be divided into two groups : "non-fatal probable MI" and "prolonged chest pain". Non-fatalm probable MIs are cases, which in addition to "typical symptoms" have electrocardiogram (ECG) or enzyme changes suggesting cardiac ischemia, but not severe enough to fulfil the criteria for non-fatal definite MI. (...) |
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