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Cardiology

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By Faye Kehler Family Physician and GP Anesthetist since 1987 interested in all aspects of Medicine
https://www.readbyqxmd.com/read/26995623/surgery-for-aortic-dilatation-in-patients-with-bicuspid-aortic-valves-a-statement-of-clarification-from-the-american-college-of-cardiology-american-heart-association-task-force-on-clinical-practice-guidelines
#1
Loren F Hiratzka, Mark A Creager, Eric M Isselbacher, Lars G Svensson, Rick A Nishimura, Robert O Bonow, Robert A Guyton, Thoralf M Sundt
Two guidelines from the American College of Cardiology (ACC), the American Heart Association (AHA), and collaborating societies address the risk of aortic dissection in patients with bicuspid aortic valves and severe aortic enlargement: The "2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM Guidelines for the Diagnosis and Management of Patients With Thoracic Aortic Disease" (J Am Coll Cardiol. 2010;55:e27-130) and the "2014 AHA/ACC Guideline for the Management of Patients With Valvular Heart Disease" (J Am Coll Cardiol...
April 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28655506/in-silico-shear-and-intramural-stresses-are-linked-to-aortic-valve-morphology-in-dilated-ascending-aorta
#2
S Pasta, G Gentile, G M Raffa, D Bellavia, G Chiarello, R Liotta, A Luca, C Scardulla, M Pilato
OBJECTIVE/BACKGROUND: The development of ascending aortic dilatation in patients with bicuspid aortic valve (BAV) is highly variable, and this makes surgical decision strategies particularly challenging. The purpose of this study was to identify new predictors, other than the well established aortic size, that may help to stratify the risk of aortic dilatation in BAV patients. METHODS: Using fluid-structure interaction analysis, both haemodynamic and structural parameters exerted on the ascending aortic wall of patients with either BAV (n = 21) or tricuspid aortic valve (TAV; n = 13) with comparable age and aortic diameter (42...
August 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28965280/acetazolamide-as-add-on-diuretic-therapy-in-exacerbations-of-chronic-heart-failure-a-pilot-study
#3
RANDOMIZED CONTROLLED TRIAL
Tomasz Imiela, Andrzej Budaj
BACKGROUND: Congestion is the main cause of morbidity in patients with heart failure. Treatment of fluid overload is often challenging in everyday clinical practice. OBJECTIVE: The aim of this study was to determine the diuretic effect of acetazolamide in patients with exacerbations of chronic heart failure, in addition to their stable diuretic therapy. METHODS: This was a single-center, unblinded study. Patients hospitalized with chronic heart failure exacerbations, with left ventricular ejection fraction (EF) < 50% and signs of volume overload, with a stable dose of diuretics anticipated by the attending physician over the next 4 days, were considered eligible for the study...
December 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29082600/analysis-of-left-ventricular-fluid-dynamics-in-dilated-cardiomyopathy-by-echocardiographic-particle-image-velocimetry
#4
Chouchou Tang, Yizhong Zhu, Jing Zhang, Chengcheng Niu, Dan Liu, Yacong Liao, Lijun Zhu, Qinghai Peng
OBJECTIVE: The aim was to analyze left ventricular (LV) fluid dynamics in dilated cardiomyopathy (DCM) by using echocardiographic particle image velocimetry (E-PIV). METHODS: Twenty patients with DCM and twenty healthy volunteers were examined. LV ultrasound contrast was administered by intravenous bolus injection. At least three dynamic contrast-enhanced echocardiographic images of cardiac cycles from apical three-chamber view and four-chamber view were obtained...
January 2018: Echocardiography
https://www.readbyqxmd.com/read/14724718/beta-blocker-use-in-patients-with-congestive-heart-failure-and-concomitant-obstructive-airway-disease-moving-from-myth-to-evidence-based-practice
#5
REVIEW
Thomas M Ormiston, Shelley R Salpeter
Beta-adrenergic blocking agents, or beta-blockers, are indicated in the management of angina pectoris, myocardial infarction, hypertension, congestive heart failure (CHF), cardiac arrhythmias, and thyrotoxicosis, and are given to reduce perioperative complications. Despite clear evidence that they reduce morbidity and mortality, clinicians are often hesitant to administer them for fear of adverse reactions. Over the past several years, many of the contraindications traditionally listed for betablockers have been questioned and disproved...
2003: Heart Failure Monitor
https://www.readbyqxmd.com/read/2870124/effects-of-chronic-administration-of-selective-betablockers-on-peripheral-circulation-of-the-lower-limbs-in-patients-with-essential-hypertension
#6
S Novo, A Pinto, D Galati, A Giannola, G Forte, A Strano
This paper summarizes the results of two studies carried out to evaluate the effects of the cardioselective betablockers atenolol, acebutolol and metoprolol on peripheral circulation of the lower limbs. The 1st study was a double dummy double blind cross over placebo controlled trial carried out for 13 weeks to evaluate the effects of acebutolol (600 mg/die) and metoprolol (300 mg/die), two cardioselective betablockers, on peripheral haemodynamics in patients suffering from mild to moderate hypertension. The 2nd study was a placebo controlled trial on the effects of atenolol (100 mg/day) on haemodynamics at the calf carried out for 8 weeks in patients suffering from essential to severe moderate hypertension, part of which aged over 65 years and affected by arteriosclerosis obliterans of the lower limbs, stage I and II according to Fontaine's classification...
April 1985: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28315732/2017-aha-acc-focused-update-of-the-2014-aha-acc-guideline-for-the-management-of-patients-with-valvular-heart-disease-a-report-of-the-american-college-of-cardiology-american-heart-association-task-force-on-clinical-practice-guidelines
#7
Rick A Nishimura, Catherine M Otto, Robert O Bonow, Blase A Carabello, John P Erwin, Lee A Fleisher, Hani Jneid, Michael J Mack, Christopher J McLeod, Patrick T O'Gara, Vera H Rigolin, Thoralf M Sundt, Annemarie Thompson
No abstract text is available yet for this article.
July 11, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28286222/2017-acc-aha-hrs-guideline-for-the-evaluation-and-management-of-patients-with-syncope-executive-summary-a-report-of-the-american-college-of-cardiology-american-heart-association-task-force-on-clinical-practice-guidelines-and-the-heart-rhythm-society
#8
Win-Kuang Shen, Robert S Sheldon, David G Benditt, Mitchell I Cohen, Daniel E Forman, Zachary D Goldberger, Blair P Grubb, Mohamed H Hamdan, Andrew D Krahn, Mark S Link, Brian Olshansky, Satish R Raj, Roopinder Kaur Sandhu, Dan Sorajja, Benjamin C Sun, Clyde W Yancy
No abstract text is available yet for this article.
August 1, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27746163/diagnostic-value-of-imaging-in-infective-endocarditis-a-systematic-review
#9
REVIEW
Anna Gomes, Andor W J M Glaudemans, Daan J Touw, Joost P van Melle, Tineke P Willems, Alexander H Maass, Ehsan Natour, Niek H J Prakken, Ronald J H Borra, Peter Paul van Geel, Riemer H J A Slart, Sander van Assen, Bhanu Sinha
Sensitivity and specificity of the modified Duke criteria for native valve endocarditis are both suboptimal, at approximately 80%. Diagnostic accuracy for intracardiac prosthetic material-related infection is even lower. Non-invasive imaging modalities could potentially improve diagnosis of infective endocarditis; however, their diagnostic value is unclear. We did a systematic literature review to critically appraise the evidence for the diagnostic performance of these imaging modalities, according to PRISMA and GRADE criteria...
January 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/24742887/cardiac-involvement-in-myotonic-dystrophy-a-nationwide-cohort-study
#11
Marie Lund, Lars Jorge Diaz, Mattis Flyvholm Ranthe, Helle Petri, Morten Duno, Inger Juncker, Hans Eiberg, John Vissing, Henning Bundgaard, Jan Wohlfahrt, Mads Melbye
AIMS: To quantify the association between myotonic dystrophy (DM) and cardiac disease in a nationwide cohort. METHODS AND RESULTS: We identified a nationwide cohort of 1146 DM patients (period 1977-2011) using the National Patient Registry (NPR) and a subcohort of 485 patients who had undergone genetic testing for DM1. Information on incident cardiac diseases was obtained from the NPR. We estimated standardized incidence ratios (SIRs) of cardiac disease compared with the background population, overall and according to selected diagnostic subgroups (cardiomyopathy, heart failure, conduction disorders, arrhythmias, and device implantation)...
August 21, 2014: European Heart Journal
https://www.readbyqxmd.com/read/27502078/acute-myocardial-infarction
#12
REVIEW
Grant W Reed, Jeffrey E Rossi, Christopher P Cannon
Acute myocardial infarction has traditionally been divided into ST elevation or non-ST elevation myocardial infarction; however, therapies are similar between the two, and the overall management of acute myocardial infarction can be reviewed for simplicity. Acute myocardial infarction remains a leading cause of morbidity and mortality worldwide, despite substantial improvements in prognosis over the past decade. The progress is a result of several major trends, including improvements in risk stratification, more widespread use of an invasive strategy, implementation of care delivery systems prioritising immediate revascularisation through percutaneous coronary intervention (or fibrinolysis), advances in antiplatelet agents and anticoagulants, and greater use of secondary prevention strategies such as statins...
January 14, 2017: Lancet
https://www.readbyqxmd.com/read/27437658/sudden-cardiac-death-after-non-st-segment-elevation-acute-coronary-syndrome
#13
Paul L Hess, Daniel M Wojdyla, Sana M Al-Khatib, Yuliya Lokhnygina, Lars Wallentin, Paul W Armstrong, Matthew T Roe, E Magnus Ohman, Robert A Harrington, John H Alexander, Harvey D White, Frans Van de Werf, Jonathan P Piccini, Claes Held, Philip E Aylward, David J Moliterno, Kenneth W Mahaffey, Pierluigi Tricoci
IMPORTANCE: In the current therapeutic era, the risk for sudden cardiac death (SCD) after non-ST-segment elevation acute coronary syndrome (NSTE ACS) has not been characterized completely. OBJECTIVE: To determine the cumulative incidence of SCD during long-term follow-up after NSTE ACS, to develop a risk model and risk score for SCD after NSTE ACS, and to assess the association between recurrent events after the initial ACS presentation and the risk for SCD. DESIGN, SETTING, AND PARTICIPANTS: This pooled cohort analysis merged individual data from 48 286 participants in 4 trials: the Apixaban for Prevention of Acute Ischemic Events 2 (APPRAISE-2), Study of Platelet Inhibition and Patient Outcomes (PLATO), Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome (TRACER), and Targeted Platelet Inhibition to Clarify the Optimal Strategy to Medically Manage Acute Coronary Syndromes (TRILOGY ACS) trials...
April 1, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27323265/the-abc-stroke-risk-score-was-superior-to-the-cha2ds2-vasc-score-for-predicting-stroke-in-atrial-fibrillation
#14
COMMENT
Graeme J Hankey
No abstract text is available yet for this article.
June 21, 2016: Annals of Internal Medicine
https://www.readbyqxmd.com/read/27207191/2016-esc-guidelines-for-the-diagnosis-and-treatment-of-acute-and-chronic-heart-failure-the-task-force-for-the-diagnosis-and-treatment-of-acute-and-chronic-heart-failure-of-the-european-society-of-cardiology-esc-developed-with-the-special-contribution-of-the
#15
Piotr Ponikowski, Adriaan A Voors, Stefan D Anker, Héctor Bueno, John G F Cleland, Andrew J S Coats, Volkmar Falk, José Ramón González-Juanatey, Veli-Pekka Harjola, Ewa A Jankowska, Mariell Jessup, Cecilia Linde, Petros Nihoyannopoulos, John T Parissis, Burkert Pieske, Jillian P Riley, Giuseppe M C Rosano, Luis M Ruilope, Frank Ruschitzka, Frans H Rutten, Peter van der Meer
No abstract text is available yet for this article.
August 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/17950797/effect-of-coenzyme-q-10-supplementation-on-simvastatin-induced-myalgia
#16
RANDOMIZED CONTROLLED TRIAL
Joanna M Young, Christopher M Florkowski, Sarah L Molyneux, Roberta G McEwan, Christopher M Frampton, Peter M George, Russell S Scott
Myalgia is the most frequently reported adverse side effect associated with statin therapy and often necessitates reduction in dose, or the cessation of therapy, compromising cardiovascular risk management. One postulated mechanism for statin-related myalgia is mitochondrial dysfunction through the depletion of coenzyme Q(10), a key component of the mitochondrial electron transport chain. This pilot study evaluated the effect of coenzyme Q(10) supplementation on statin tolerance and myalgia in patients with previous statin-related myalgia...
November 1, 2007: American Journal of Cardiology
https://www.readbyqxmd.com/read/23458201/coenzyme-q-10-and-selenium-in-statin-associated-myopathy-treatment
#17
RANDOMIZED CONTROLLED TRIAL
Jan Fedacko, Daniel Pella, Petra Fedackova, Osmo Hänninen, Petri Tuomainen, Peter Jarcuska, Tomas Lopuchovsky, Lucia Jedlickova, Lucia Merkovska, Gian Paolo Littarru
The objective of this study was to evaluate the possible benefits of coenzyme Q10 and selenium supplementation administered to patients with statin-associated myopathy (SAM). Sixty eligible patients entered the pilot study. Laboratory examination (CoQ10, selenium, creatin kinase) and intensity of SAM (visual scale) were performed at baseline, after 1 month, and at the end of study at month 3. Plasma levels of CoQ10 increased from 0.81 ± 0.39 to 3.31 ± 1.72 μmol/L in the active group of patients treated by CoQ10, compared with the placebo (p = 0...
February 2013: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27166348/management-of-atrial-fibrillation-in-hypertrophic-cardiomyopathy
#18
REVIEW
Ciorsti MacIntyre, Neal K Lakdawala
No abstract text is available yet for this article.
May 10, 2016: Circulation
https://www.readbyqxmd.com/read/26965621/rare-variant-in-scavenger-receptor-bi-raises-hdl-cholesterol-and-increases-risk-of-coronary-heart-disease
#19
Paolo Zanoni, Sumeet A Khetarpal, Daniel B Larach, William F Hancock-Cerutti, John S Millar, Marina Cuchel, Stephanie DerOhannessian, Anatol Kontush, Praveen Surendran, Danish Saleheen, Stella Trompet, J Wouter Jukema, Anton De Craen, Panos Deloukas, Naveed Sattar, Ian Ford, Chris Packard, Abdullah al Shafi Majumder, Dewan S Alam, Emanuele Di Angelantonio, Goncalo Abecasis, Rajiv Chowdhury, Jeanette Erdmann, Børge G Nordestgaard, Sune F Nielsen, Anne Tybjærg-Hansen, Ruth Frikke Schmidt, Kari Kuulasmaa, Dajiang J Liu, Markus Perola, Stefan Blankenberg, Veikko Salomaa, Satu Männistö, Philippe Amouyel, Dominique Arveiler, Jean Ferrieres, Martina Müller-Nurasyid, Marco Ferrario, Frank Kee, Cristen J Willer, Nilesh Samani, Heribert Schunkert, Adam S Butterworth, Joanna M M Howson, Gina M Peloso, Nathan O Stitziel, John Danesh, Sekar Kathiresan, Daniel J Rader
Scavenger receptor BI (SR-BI) is the major receptor for high-density lipoprotein (HDL) cholesterol (HDL-C). In humans, high amounts of HDL-C in plasma are associated with a lower risk of coronary heart disease (CHD). Mice that have depleted Scarb1 (SR-BI knockout mice) have markedly elevated HDL-C levels but, paradoxically, increased atherosclerosis. The impact of SR-BI on HDL metabolism and CHD risk in humans remains unclear. Through targeted sequencing of coding regions of lipid-modifying genes in 328 individuals with extremely high plasma HDL-C levels, we identified a homozygote for a loss-of-function variant, in which leucine replaces proline 376 (P376L), in SCARB1, the gene encoding SR-BI...
March 11, 2016: Science
https://www.readbyqxmd.com/read/27006716/stent-thrombosis-after-rescue-percutaneous-coronary-intervention-in-acute-st-segment-elevation-myocardial-infarction
#20
Khalid Bin Thani, Fajer Al-Moosa, Eman Murad, Aisha Al-Moosa, Mohamed E Alalawi, Hind Al-Sindi
MAIN PROBLEM: To determine the incidence of coronary stent thrombosis (ST) in patients with acute ST segment elevation myocardial infarction (STEMI) after rescue percutaneous coronary intervention (PCI). METHODS: An observational study looking at the incidence of ST in a middle-eastern population. A total of 510 consecutive patients presented with ST-segment elevation myocardial infarction (STEMI) were enrolled and underwent thrombolytic therapy with a total follow-up period of 2 years...
2015: Open Cardiovascular Medicine Journal
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