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- Bergström, Göran, 1964, et al.
(författare)
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Low socioeconomic status of a patient's residential area is associated with worse prognosis after acute myocardial infarction in Sweden.
- 2015
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Ingår i: International journal of cardiology. - : Elsevier BV. - 1874-1754 .- 0167-5273. ; 182, s. 141-147
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Tidskriftsartikel (refereegranskat)abstract
- Previous studies have established a relationship between socioeconomic status (SES) and survival in coronary heart disease. Acute cardiac care in Sweden is considered to be excellent and independent of SES. We studied the influence of area-level socioeconomic status on mortality after hospitalization for acute myocardial infarction (AMI) between 1995 and 2013 in the Gothenburg metropolitan area, which has little over 800,000 inhabitants and includes three city hospitals.
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- Redfors, Björn, et al.
(författare)
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Cardioprotective effects of isoflurane in a rat model of stress-induced cardiomyopathy (takotsubo).
- 2014
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Ingår i: International journal of cardiology. - : Elsevier BV. - 1874-1754 .- 0167-5273. ; 176:3
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Tidskriftsartikel (refereegranskat)abstract
- Stress-induced cardiomyopathy (SIC) is a common syndrome with substantial morbidity and mortality. SIC is common in intensive care units' patients. No therapeutic intervention for SIC has been evaluated in randomized clinical trial so far. Our aim was to investigate whether isoflurane is cardioprotective in an experimental SIC model.
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- Shao, Yangzhen, 1981, et al.
(författare)
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Novel rat model reveals important roles of β-adrenoreceptors in stress-induced cardiomyopathy.
- 2013
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Ingår i: International journal of cardiology. - : Elsevier BV. - 1874-1754 .- 0167-5273. ; 168:3, s. 1943-1950
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Stress-induced cardiomyopathy (SIC), also known as Takotsubo cardiomyopathy, is an acute cardiac syndrome with substantial morbidity and mortality. The unique hallmark of SIC is extensive ventricular akinesia involving apical segments with preserved function in basal segments. Adrenergic overstimulation plays an important role in initiating SIC but the pathophysiological pathways and receptors involved are unknown. METHODS: Sprague Dawley rats (~300g) were injected with a single dose of the β-adrenergic agonist isoprenaline (ISO, i.p.) and echocardiography was used to study cardiac function. The akinetic part of the left ventricle was biopsied in six SIC patients. Amount of intracellular lipid and glycogen as well as degree of permanent cardiac damage were assessed by histology. RESULTS: In rats, ISO at doses ≥50mg/kg induced severe SIC-like regional akinesia that completely resolved within seven days. Intracellular lipid content was higher in akinetic, but not in normokinetic myocardium in both SIC patients and rats. β2-receptor blockade or Gi-pathway inhibition was associated with less widespread akinesia and low lipid accumulation but significantly increased acute mortality. CONCLUSIONS: We provide a novel rat model of SIC that supports the hypothesis of circulating catecholamines as initiators of SIC. We propose that the β-adrenoreceptor pathway is important in the setting of severe catecholamine overstimulation and that perturbations of cardiac metabolism occur in SIC.
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