M. Elbey, Luis Augusto Palma Dalan, G. Attizzani, Harrington Heart
{"title":"Value of MitraClip in Reducing Functional Mitral Regurgitation","authors":"M. Elbey, Luis Augusto Palma Dalan, G. Attizzani, Harrington Heart","doi":"10.15420/USC.2018.19.1","DOIUrl":"https://doi.org/10.15420/USC.2018.19.1","url":null,"abstract":"Patients with heart failure who have secondary severe mitral regurgitation due to left ventricular dysfunction have a poor prognosis, with high rates of rehospitalization and mortality. Percutaneous mitral valve repair using the MitraClip (Abbott) has been shown to be safe and effective in secondary severe mitral regurgitation with heart failure. The number of MitraClip procedures performed has increased significantly, as recently published large, randomized clinical studies have shown. However, these studies have drawn different conclusions. This review aims to summarize the current evidence for the MitraClip procedure and provide information for its safe and successful implementation, comparing the studies that examined the use of MitraClip versus medical therapy alone or surgical repair for severe secondary mitral regurgitation.","PeriodicalId":37809,"journal":{"name":"US Cardiology Review","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41864108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diabetic Cardiomyopathy: Five Major Questions with Simple Answers","authors":"M. Rodríguez-Ramos","doi":"10.15420/USC.2018.18.2","DOIUrl":"https://doi.org/10.15420/USC.2018.18.2","url":null,"abstract":"Diabetes is a major risk factor for heart disease. Diabetic cardiomyopathy is a long-lasting process that affects the myocardium in patients who have no other cardiac conditions. The condition has a complex physiopathology which can be subdivided into processes that cause diastolic and/or systolic dysfunction. It is believed to be more common than reported, but this has not been confirmed by a large study. Diagnosis can involve imaging; biomarkers cannot be used to identify diabetic cardiomyopathy at an early stage. In people with diabetes, there should be a focus on prevention and, if diabetic cardiomyopathy develops, the objective is to delay disease progression. Further studies into identifying and managing diabetic cardiomyopathy are essential to reduce the risk of heart failure in people with diabetes.","PeriodicalId":37809,"journal":{"name":"US Cardiology Review","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47722330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Role of High-sensitivity Cardiac Troponin in Acute Coronary Syndrome","authors":"M. Narayanan, S. Garcia","doi":"10.15420/USC.2018.16.1","DOIUrl":"https://doi.org/10.15420/USC.2018.16.1","url":null,"abstract":"Chest pain is one of the most common reasons for an emergency room (ER) visit in the US, with almost 6 million ER visits annually. High-sensitivity cardiac troponin (hscTn) assays have the ability to rapidly rule in or rule out acute coronary syndrome with improved sensitivity, and they are increasingly being used. Though hscTn assays have been approved for use in European, Australian, and Canadian guidelines since 2010, the FDA only approved their use in 2017. There is no consensus on how to compare the results from various hscTn assays. A literature review was performed to analyze the advantages and limitations of using hscTn as a standard biomarker to evaluate patients with suspected ACS in the emergency setting.","PeriodicalId":37809,"journal":{"name":"US Cardiology Review","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42185349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Kanjanauthai, K. Bhasin, L. Pirelli, C. Kliger, N. Lung
{"title":"Conduction Abnormalities After Transcatheter Aortic Valve Replacement","authors":"S. Kanjanauthai, K. Bhasin, L. Pirelli, C. Kliger, N. Lung","doi":"10.14520/USC.2018.7.2","DOIUrl":"https://doi.org/10.14520/USC.2018.7.2","url":null,"abstract":"Transcatheter aortic valve replacement (TAVR) has been established as a therapeutic option for patients with severe symptomatic aortic stenosis who are of intermediate or higher surgical risk. Several periprocedural complications are reduced with newer transcatheter heart valve generations; however, conduction abnormalities and the need for permanent pacemaker implantation have remained unchanged and are the most frequent TAVR complications. The close relationship of the atrioventricular node and left bundle branch to the subaortic region explains these potential conduction abnormalities. This article highlights conduction abnormalities after TAVR with a focus on basic conduction system anatomy in relation to the aortic valve, the mechanism, incidence, predisposing factors for occurrence, impact on mortality and finally, proposed treatment algorithms for management.","PeriodicalId":37809,"journal":{"name":"US Cardiology Review","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44242787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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