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- Engström, Gunnar, et al.
(författare)
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Long-term effects of inflammation-sensitive plasma proteins and systolic blood pressure on incidence of stroke.
- 2002
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Ingår i: Stroke: a journal of cerebral circulation. - 1524-4628. ; 33:12, s. 2744-2749
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Tidskriftsartikel (refereegranskat)abstract
- Background and Purpose— The present study investigated the relationships between inflammation-sensitive plasma proteins (ISPs) and systolic blood pressure (SBP), as well as the joint long-term effects of ISP and SBP on incidence of stroke. Methods— BP and 5 ISPs (fibrinogen, {alpha}1-antitrypsin, haptoglobin, ceruloplasmin, orosomucoid) were assessed in 6071 healthy men 28 to 61 years of age. All-cause mortality and incidence of stroke were monitored over a mean follow-up of 18.7 years in men defined by SBP (<120, 120 to 139, >=140 mm Hg) and ISP (0 to 1 or 2 to 5 ISPs in the top quartile). Results— SBP and diastolic BP were significantly and positively associated with the number of ISPs in the top quartile. As expected, elevated SBP was associated with an increased incidence of stroke. Among men with SBP >=140 mm Hg, there were, however, significant differences between those with high and low ISP levels. After risk factor adjustment, men with SBP >=140 mm Hg and high ISP levels had a relative risk of stroke of 4.3 (95% CI, 2.3 to 7.8) compared with men with SBP <120 mm Hg and low ISP levels. In the absence of high ISP levels, the risk associated with SBP >=140 was 2.5 (95% CI,1.4 to 4.6). Men with high ISP levels had a significantly increased risk of stroke also after exclusion of the events from the first 10 years of follow-up. Conclusions— High ISP levels are associated with elevated BP. These proteins are associated with an increased risk of stroke among men with high BP and provide information on stroke risk even after many years of follow-up.
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| 3. |
- Engström, Gunnar, et al.
(författare)
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Lung function and cardiovascular risk: relationship with inflammation-sensitive plasma proteins.
- 2002
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Ingår i: Circulation. - 1524-4539. ; 106:20, s. 2555-2560
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Tidskriftsartikel (refereegranskat)abstract
- Background— The inverse relationship between pulmonary function and incidence of cardiovascular disease remains largely unexplained. This prospective study explored the hypothesis of a relationship with inflammation-sensitive plasma proteins. Methods and Results— Forced vital capacity (FVC) and plasma levels of fibrinogen, {alpha} 1-antitrypsin, haptoglobin, ceruloplasmin, and orosomucoid were determined in 5064 healthy men aged 28 to 61 years. All-cause mortality, cardiovascular mortality, and incidence of myocardial infarction were monitored over a mean follow-up period of 18.4 years. Low FVC (fourth quartile) was associated with higher protein levels and with increased incidences of myocardial infarction and cardiovascular death. Adjustments for protein levels reduced the age-adjusted relative risks (RRs) for myocardial infarction (from 1.99, 95% CI 1.5 to 2.6, to 1.70, 95% CI 1.3 to 2.2) and cardiovascular death (from 2.71, 95% CI 1.9 to 3.9, to 2.28, 95% CI 1.6 to 3.3) among men with low FVC, corresponding to {approx}25% of the excess risk. The risk factor–adjusted RRs were reduced from 1.45 (95% CI 1.1 to 1.9) to 1.38 (95% CI 1.1 to 1.8) and from 1.96 (95% CI 1.4 to 2.8) to 1.85 (95% CI 1.3 to 2.7) for myocardial infarction and cardiovascular death, respectively, corresponding to {approx}10% to 15% of the excess risk. Among men with low FVC, the risk factor–adjusted RR for myocardial infarction was 2.5 (95% CI 1.7 to 3.6) for those with high protein levels (>=2 proteins in top quartile) and 1.7 (95% CI 1.1 to 2.4) for those with low protein levels (<=1 protein in top quartile; reference, top quartile of FVC and low protein levels). Conclusions— FVC is significantly and inversely associated with plasma levels of inflammation-sensitive plasma proteins. This relationship contributes to but cannot fully explain the increased cardiovascular risk among men with low FVC.
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- Lind, P., et al.
(författare)
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Risk of Myocardial Infarction and Stroke in Smokers Is Related to Plasma Levels of Inflammation-Sensitive Proteins.
- 2004
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Ingår i: Arteriosclerosis, Thrombosis and Vascular Biology. - 1524-4636. ; 24:3, s. 577-582
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Tidskriftsartikel (refereegranskat)abstract
- Background— The extent to which differences in cardiovascular risk between smokers with similar daily tobacco consumption may be related to plasma levels of inflammation-sensitive proteins (ISP) and whether these proteins are associated with levels of carboxyhemoglobin (COHb%) have not been clarified. Methods and Results— In a population-based cohort of 1489 never smokers, 1685 former smokers, and 2901 current smokers, aged 28 to 61 years, plasma levels of orosomucoid ({alpha}1-acid glycoprotein), {alpha}1-antitrypsin, haptoglobin, fibrinogen, and ceruloplasmin were measured. COHb% levels were available for 2098 of them. Incidence of myocardial infarction, stroke, and death were monitored over 18.7±4.7 years. The proportion with high ISP levels (ie, >=2 ISP in the top quartile) increased progressively with daily tobacco consumption (P<0.01) and COHb% (P<0.01). In all smoking categories, the incidence of stroke, cardiac events, and death was related to ISP. In heavy smokers, high ISP levels were associated with adjusted relative risks of 1.57 (1.05 to 2.35) and 1.50 (1.11 to 2.03) for cardiac events and death, respectively. Corresponding figures for moderate and light smokers were 1.59 (1.13 to 2.24) and 1.14 (0.87 to 1.49), respectively, and 1.32 (0.95 to 1.85) and 1.48 (1.10 to 1.98), respectively. Conclusion— ISP levels are related to COHb% in smokers. High levels are associated with an increased cardiovascular risk.
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