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- Volume 2013, Issue 1
Global Cardiology Science and Practice - Volume 2013, Issue 1
Volume 2013, Issue 1
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Acute coronary syndrome in the Middle East: The importance of registries for quality assessment and plans for improvement
More LessAcute coronary syndrome (ACS) represents one of the most common causes of death worldwide. Several practice guidelines have been developed in Europe and North America to improve outcome of ACS patients through implementation of the recommendations into clinical practice. It is well know that there is wide gap between guidelines and implementation in real practice as was demonstrated in registry findings mainly conducted in the developed world. Here in we review main gaps in the management of ACS patients observed from two recent registries conducted in the Middle East.
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Bioengineering and the cardiovascular system
More LessThe development of the modern era of bioengineering and the advances in our understanding of the cardiovascular system have been intertwined over the past one-half century. This is true of bioengineering as an area for research in universities. Bioengineering is ultimately the beginning of a new engineering discipline, as well as a new discipline in the medical device industry.
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Self-Assembled Metal-Organic Polyhedra (MOPs): Opportunities in Biomedical Applications
More LessSelf-assembly is a powerful synthetic tool that has enabled chemists to construct numerous, structurally complex, supermolecules of various shapes, functionality, and dimensions from relatively simple precursors. Metal-organic polyhedra (MOPs) are an emerging family of self-assembled supermolecules that have intriguing structures and tailored functionality. During the last decade, research in this area have rapidly evolved and interest is now directed towards fine tuning and tailoring such structures targeting applications in sensing, catalysis, and most recently, in the biomedical field. Three examples of MOPs of interest showing promising potentials for biomedical applications are described.
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An electronic medical record-linked biorepository to identify novel biomarkers for atherosclerotic cardiovascular disease
Authors: Zi Ye, Fara S Kalloo, Angela K. Dalenberg and Iftikhar J KulloBackground: Atherosclerotic vascular disease (AVD), a leading cause of morbidity and mortality, is increasing in prevalence in the developing world. We describe an approach to establish a biorepository linked to medical records with the eventual goal of facilitating discovery of biomarkers for AVD. Methods: The Vascular Disease Biorepository at Mayo Clinic was established to archive DNA, plasma, and serum from patients with suspected AVD. AVD phenotypes, relevant risk factors and comorbid conditions were ascertained by electronic medical record (EMR)-based electronic algorithms that included diagnosis and procedure codes, laboratory data and text searches to ascertain medication use. Results: Up to December 2012, 8800 patients referred for vascular ultrasound examination and non-invasive lower extremity arterial evaluation were approached, of whom 5268 consented. The mean age of the initial 2182 patients recruited was 70.4 ± 11.2 years, 62.6% were men and 97.6% were whites. The prevalences of AVD phenotypes were: carotid artery stenosis 48%, abdominal aortic aneurysm 21% and peripheral arterial disease 38%. Positive predictive values for electronic phenotyping algorithms were>0.90 for cases (and>0.95 for controls) for each AVD phenotype, using manual review of the EMR as the gold standard. The prevalences of risk factors and comorbidities were as follows: hypertension 78%, diabetes 29%, dyslipidemia 73%, smoking 70%, coronary heart disease 37%, heart failure 12%, cerebrovascular disease 20% and chronic kidney disease 19%. Conclusions: Our study demonstrates the feasibility of establishing a biorepository of plasma, serum and DNA, with relatively rapid annotation of clinical variables using EMR-based algorithms.
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Further insights into the syndrome of prolapsing non-coronary aortic cusp and ventricular septal defect
Ventricular septal defect (VSD) with prolapse of the right coronary cusp and aortic regurgitation can be managed surgically with the anatomical correction technique. However when the VSD is located underneath the non coronary cusp surgical management differs due to anatomical constraints and secondary pathological changes seen in the non coronary cusp. It is therefore important that the location of the VSD and the morphology of prolapsing cusp be characterised preoperatively in order to plan appropriate surgical repair. We present a case study in which we discuss the salient differences in the surgical management of the prolapsing right and the prolapsing non coronary cusps.
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