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- Malki, Ninoa, et al.
(författare)
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Temporal trends in incidence of myocardial infarction and ischemic stroke by socioeconomic position in Sweden 1987-2010
- 2014
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Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 9:8, s. e105279-
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Tidskriftsartikel (refereegranskat)abstract
- Background We analyzed temporal trends in the incidence of myocardial infarction and ischemic stroke in Sweden by socioeconomic position and investigated whether social inequalities in incidence of these diseases changed over time.Materials and Methods We studied a cohort of almost three million Swedish residents born between 1932 and 1960 followed from 1987 until 2010. Incident cases of myocardial infarction and ischemic stroke were identified in the Swedish National Inpatient Register and Cause of Death Register. Socioeconomic position was retrieved from the Population and Housing Censuses. Incidence rates of myocardial infarction and ischemic stroke and incidence rate ratios comparing levels of socioeconomic position were estimated using flexible parametric survival models adjusted for calendar year, attained age, sex, and birth country.Results The overall incidences of myocardial infarction and ischemic stroke decreased over time among men, but were stable over time among women. With regard to ischemic stroke incidence, socioeconomic inequality increased over time in the age group 55 to 59: the incidence rate ratios for low manual compared to high non-manual increased from 1.3 (95% CI: 1.2-1.4) in 1997 to 1.5 (1.4-1.7) in 2010 among men, and from 1.4 (1.3-1.6) in 1997 to 2.1 (1.8-2.5) in 2010 among women. The socioeconomic inequality in incidence of myocardial infarction was stable over time for both men and women.Conclusion There was a decrease in myocardial infarction and ischemic stroke incidence over time among men but no significant change for women. Our study highlights existing, and in some cases increasing, social inequalities in the incidence of cardiovascular diseases.
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| 2. |
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| 3. |
- Ingelsson, Erik, 1975-
(författare)
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Insulin Resistance and Inflammation as Risk Factors for Congestive Heart Failure
- 2005
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Congestive heart failure (CHF) is a major cause of morbidity and mortality and the identification of modifiable risk factors is crucial in order to diminish suffering of this common disease. The primary aim of this thesis was to investigate novel metabolic risk factors for CHF, with a focus on insulin resistance and inflammation. The secondary aim was to examine the validity of the CHF diagnosis in the Swedish hospital discharge register.This thesis was based on the Uppsala Longitudinal Study of Adult Men (ULSAM) cohort, a community-based prospective study started in 1970. The participants were examined at age 50 and 70 and the data was completed with annual updates on mortality and in-hospital morbidity using national registers. We showed that insulin resistance predicts CHF incidence independently of established risk factors in both middle-aged and elderly men. The previously described association between obesity and subsequent CHF may be mediated partly by insulin resistance. Moreover, it was established that inflammation, measured as erythrocyte sedimentation rate is a significant predictor of CHF, independent of established risk factors including an interim myocardial infarction. Furthermore, a low beta-carotene level, as well as an increased apolipoprotein B/A-I-ratio was found to predict CHF independently of established risk factors.We also showed that the validity of the CHF diagnosis in the Swedish hospital discharge register appears less precise than for other recently investigated cardiovascular diagnoses. However, when including only cases from selected clinics or cases with a primary diagnosis of CHF, the validity is comparable to the above diagnoses. In conclusion, insulin resistance and inflammation are strong independent risk factors for the development of CHF, and seem to be involved in the early process leading to CHF. If confirmed, our observations could have large clinical implications as they may offer new approaches in the prevention of CHF.
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