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Short-term outcomes of acute myocardial infarction in patients with acute kidney injury: a report from the national cardiovascular data registry.

ABSTRACT: BACKGROUND:Acute kidney injury (AKI) is a risk factor for long-term adverse outcomes, including acute myocardial infarction and death. However, the relationship between severity of AKI and in-hospital outcomes in the setting of acute myocardial infarction has not been well documented. METHODS AND RESULTS:The study population (n = 59,970) was drawn from the Acute Coronary Treatment and Intervention Outcomes Network (ACTION) Registry-Get With the Guidelines (GWTG), a nationwide sample of myocardial infarction patients admitted to 383 hospitals in the United States between July 2008 and September 2009. AKI was defined using absolute changes in serum creatinine (SCr; peak SCr minus admission SCr) and categorized as no AKI (SCr change, <0.3 mg/dL), mild AKI (SCr change, 0.3-<0.5 mg/dL), moderate AKI (SCr change, 0.5-<1.0 mg/dL), and severe AKI (SCr change, ?1.0 mg/dL). Overall, 16.1% had AKI, including 6.5% with mild AKI, 5.6% with moderate AKI, and 4.0% with severe AKI. In-hospital mortality rates for those with mild, moderate, and severe AKI were 6.6%, 14.2%, and 31.8% compared with 2.1% in those without AKI. The odds ratios for in-hospital death were 2.4 (95% confidence interval, 2.0-2.7), 4.5 (95% confidence interval, 3.9-5.1), and 12.6 (95% confidence interval, 11.1-14.3) for mild, moderate, and severe AKI compared with those without AKI. Although patients with AKI were less likely to undergo early invasive care or to receive antiplatelet therapies, rates of major bleeding ranged from 8.4% (no AKI) to 32.7% (severe AKI). CONCLUSION:AKI is common and associated with mortality and bleeding, underscoring the importance of efforts to identify risk factors and to prevent AKI in acute myocardial infarction care.

SUBMITTER: Fox CS

PROVIDER: S-EPMC3411118 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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Short-term outcomes of acute myocardial infarction in patients with acute kidney injury: a report from the national cardiovascular data registry.

Fox Caroline S CS Muntner Paul P Chen Anita Y AY Alexander Karen P KP Roe Matthew T MT Wiviott Stephen D SD

Circulation 20111216 3

<h4>Background</h4>Acute kidney injury (AKI) is a risk factor for long-term adverse outcomes, including acute myocardial infarction and death. However, the relationship between severity of AKI and in-hospital outcomes in the setting of acute myocardial infarction has not been well documented.<h4>Methods and results</h4>The study population (n = 59,970) was drawn from the Acute Coronary Treatment and Intervention Outcomes Network (ACTION) Registry-Get With the Guidelines (GWTG), a nationwide samp ...[more]

PMID: 22179533

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Project description:ObjectiveYoung women form a minority but an important group of patients with acute myocardial infarction (MI) as it can potentially cause devastating physical and socioeconomic impact. This study was aimed to investigate the characteristics and outcomes of young women with MI in Malaysia.DesignThis is a retrospective analysis of women with ST-elevation MI (STEMI) and non-STEMI (NSTEMI) from 18 hospitals across Malaysia using the Malaysian National Cardiovascular Database registry-acute coronary syndrome (NCVD-ACS).ParticipantsWomen patients diagnosed with acute MI from year 2006 to 2013 were identified and divided into young (age ≤ 45, n=292) and older women (age >45, n=5580).Primary outcome measureComparison of demographics, clinical characteristics and in-hospital management was performed between young and older women. In-hospital and 30-day all-cause mortality were examined.ResultsYoung women (mean age 39±4.68) made up 5% of women with MI and were predominantly of Malay ethnicities (53.8%). They have a higher tendency to present as STEMI compared with older women. Young women have significantly higher rates of family history of premature coronary artery disease (CAD) (20.5% vs 7.8% p<0.0001). The prevalence of risk factors, such as hypertension, diabetes and dyslipidaemia was high in both groups. The primary reperfusion strategy was thrombolysis with no significant differences observed in the choice of intervention for both groups. Other than aspirin, rates of prescriptions for evidence-based medications were similar with >80% prescribed statins and aspirin. The all-cause mortality rates of young women were lower for both in-hospital and 30 days, especially in those with STEMI with adjusted mortality ratio to the older group, was 1:9.84.ConclusionYoung women with MI were over-represented by Malays and those with a family history of premature CAD. Preventive measures are needed to reduce cardiovascular risks in young women. Although in-hospital management was similar, short-term mortality outcomes favoured young compared with older women.

Project description:BackgroundThe aim of this study was to investigate the association between inflammatory markers and 28-day mortality in patients with ST-elevation myocardial infarction (STEMI).MethodsIn 398 STEMI patients recorded between 2009 and 2013 by the population-based Myocardial Infarction Registry Augsburg, 92 protein biomarkers were measured in admission arterial blood samples using the OLINK inflammatory panel. In multivariable-adjusted logistic regression models, the association between each marker and 28-day mortality was investigated. The values of the biomarkers most significantly associated with mortality were standardized and summarized to obtain a prediction score for 28-day mortality. The predictive ability of this biomarker score was compared to the established GRACE score using ROC analysis. Finally, a combined total score was generated by adding the standardized biomarker score to the standardized GRACE score.ResultsThe markers IL-6, IL-8, IL-10, FGF-21, FGF-23, ST1A1, MCP-1, 4E-BP1, and CST5 were most significantly associated with 28-day mortality, each with FDR-adjusted (false discovery rate adjusted) p-values of < 0.01 in the multivariable logistic regression model. In a ROC analysis, the biomarker score and the GRACE score showed comparable predictive ability for 28-day mortality (biomarker score AUC: 0.7859 [CI: 0.6735-0.89], GRACE score AUC: 0.7961 [CI: 0.6965-0.8802]). By combining the biomarker score and the Grace score, the predictive ability improved with an AUC of 0.8305 [CI: 0.7269-0.9187]. A continuous Net Reclassification Improvement (cNRI) of 0.566 (CI: 0.192-0.94, p-value: 0.003) and an Integrated Discrimination Improvement (IDI) of 0.083 ((CI: 0.016-0.149, p-value: 0.015) confirmed the superiority of the combined score over the GARCE score.ConclusionsInflammatory biomarkers may play a significant role in the pathophysiology of acute myocardial infarction (AMI) and AMI-related mortality and might be a promising starting point for personalized medicine, which aims to provide each patient with tailored therapy.

Dataset Information

Short-term outcomes of acute myocardial infarction in patients with acute kidney injury: a report from the national cardiovascular data registry.

Publications

Short-term outcomes of acute myocardial infarction in patients with acute kidney injury: a report from the national cardiovascular data registry.

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