Document Detail


Hospital discharge data for assessing myocardial infarction events and trends, and effects of diagnosis validation according to MONICA and AHA criteria.
MedLine Citation:
PMID:  20961870     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Background Acute myocardial infarction (AMI; ICD9-CM 410*) is a leading cause of morbidity and mortality all over the world, and its community surveillance is essential to monitor variation in the occurrence of the disease. Between the late 1990s and the early 2000s more sensitive and specific biomarkers of myocardial necrosis (ie, troponins) were introduced and new diagnostic criteria, emphasising the role of biomarkers, have been developed for clinical and epidemiological purposes. Methods Tosc-AMI is a population-based registry based on the record linkage between hospital and mortality databases; it provides trends of coronary events in Tuscany, Italy. Two random samples of patients admitted to hospital in 2003 were validated according to the American Heart Association (AHA; 2003) and the Multinational MONItoring of trends and determinants in CArdiovascular disease (MONICA) (1983) criteria. Sample 1 (380 cases) was represented by patients admitted to hospital for AMI and sample 2 (380 cases) for other coronary diagnosis. Results Tosc-AMI attack rates increased from the period 1997 to 2005 (men: +17%; women: +30%) and then they decreased in the following 2 years (men: -8%; women: -13%). The rise of AMI hospital admissions was due to cases with ICD9-CM code 410.7 (largely representing non-ST elevation MI). According to the AHA criteria, 94.6% events of sample 1 and 29.8% events of sample 2 fulfilled the most extensive criteria for definite, probable or possible AMI. As expected, the more updated AHA definition identified as definite AMI an additional 33.3% when compared to the MONICA criteria (86.0% vs 52.7%). Conclusions The study suggests an influence of the new diagnostic criteria on the rising AMI trend observed in the early 2000s, an increase of less severe cases and a decreasing trend of forms with a more extended myocardial damage.
Authors:
Alessandro Barchielli; Daniela Balzi; Paola Naldoni; Anna Teresa Roberts; Francesco Profili; Francesco Dima; Luigi Palmieri
Publication Detail:
Type:  Journal Article     Date:  2010-10-19
Journal Detail:
Title:  Journal of epidemiology and community health     Volume:  66     ISSN:  1470-2738     ISO Abbreviation:  J Epidemiol Community Health     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-04-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7909766     Medline TA:  J Epidemiol Community Health     Country:  England    
Other Details:
Languages:  eng     Pagination:  462-7     Citation Subset:  IM    
Affiliation:
Epidemiology Unit, Local Health Unit 10 - Firenze, Via di San Salvi 12 50135 Florence, Italy; alessandro.barchielli@asf.toscana.it.
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