Journal of the American Heart Association
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Randomized Controlled Trial
Effect of ischemic postconditioning on infarct size in patients with ST-elevation myocardial infarction treated by primary PCI results of the POSTEMI (POstconditioning in ST-Elevation Myocardial Infarction) randomized trial.
Reduction of infarct size by ischemic postconditioning (IPost) has been reported in smaller proof-of-concept clinical studies, but has not been confirmed in other smaller studies. The principle needs to be evaluated in larger groups of ST-elevation myocardial infarction (STEMI) patients before being implemented in clinical practice. This study assessed the effect of ischemic postcoditioning (IPost) on infarct size in patients with STEMI treated by primary percutaneous coronary intervention (PCI). ⋯ http://www.clinicaltrials.gov Unique identifier: NCT.No.PO1506.
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We tested the hypothesis that direct renin inhibition with aliskiren protects against myocardial ischemia/reperfusion (I/R) injury in spontaneously hypertensive rats (SHR), and examined the mechanism by which this occurs. ⋯ Direct renin inhibition protects against myocardial I/R injury through activation of the PI3K-Akt-eNOS pathway.
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Multicenter Study Comparative Study
Sensitivity, specificity, and sex differences in symptoms reported on the 13-item acute coronary syndrome checklist.
Clinical symptoms are part of the risk stratification approaches used in the emergency department (ED) to evaluate patients with suspected acute coronary syndromes (ACS). The objective of this study was to determine the sensitivity, specificity, and predictive value of 13 symptoms for a discharge diagnosis of ACS in women and men. ⋯ There were more similarities than differences in symptom predictors of ACS for women and men.
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Onset of postoperative atrial fibrillation (POAF) is a common and costly complication of heart surgery despite major improvements in surgical technique and quality of patient care. The etiology of POAF, and the ability of clinicians to identify and therapeutically target high-risk patients, remains elusive. ⋯ Our results show that MAO is an important determinant of redox balance in human atrial myocardium, and that this enzyme, in addition to GSHt and GPx, is associated with an increased risk for POAF. Further investigation is needed to validate MAO as a predictive biomarker for POAF, and to explore this enzyme's potential role in arrhythmogenesis.
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Multicenter Study Observational Study
Bedside tool for predicting the risk of postoperative atrial fibrillation after cardiac surgery: the POAF score.
Atrial fibrillation (AF) remains the most common complication after cardiac surgery. The present study aim was to derive an effective bedside tool to predict postoperative AF and its related complications. ⋯ The POAF score is a simple, accurate bedside tool to predict postoperative AF and its related or accompanying complications.