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Cardiology in Review

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https://www.readbyqxmd.com/read/28170357/on-x-valve-the-next-generation-aortic-valve
#1
Rahul Chaudhary, Jalaj Garg, Parasuram Krishnamoorthy, Neeraj Shah, Bruce A Feldman, Matthew W Martinez, Ronald Freudenberger
The On-X valve is a newer generation mechanical bileaflet valve. Its key features include the use of pure pyrolytic carbon (devoid of silicon), a length-to-diameter ratio similar to a native valve, an inlet flared orifice, a leaflet opening up to 90 degrees, a shorter leaflet closing angle, a 2-point leaflet contact, and an actuated pivot. These features have translated into increased strength, improved valve hemodynamics, reduced hemolysis, and thrombogenicity. The 2014 American Heart Association/American College of Cardiology guidelines for the management of patients with valvular heart disease recommend an international normalized ratio (INR) of 2...
March 2017: Cardiology in Review
https://www.readbyqxmd.com/read/28099220/evacetrapib-another-cetp-inhibitor-for-dyslipidemia-with-no-clinical-benefit
#2
Vaughn A Eyvazian, William H Frishman
Evacetrapib is a cholesteryl ester transfer protein (CETP) inhibitor that has been recently studied as a cholesterol modifying agent to reduce cardiovascular risk and mortality in high risk cardiovascular disease patients. Evacetrapib acts to decrease lipid exchange through CETP inhibition. CETP acts to transfer cholesteryl esters from high-density lipoprotein-cholesterol (HDL-C) to low-density lipoprotein cholesterol (LDL-C) and very-low-density lipoprotein (VLDL-C). HDL-C is involved in reverse cholesterol transport and its blood levels have been shown to be inversely correlated with cardiovascular risk...
March 2017: Cardiology in Review
https://www.readbyqxmd.com/read/28099219/a-review-of-the-clinical-utility-of-intravascular-ultrasound-and-optical-coherence-tomography-in-the-assessment-and-treatment-of-coronary-artery-disease
#3
Stephen Daniel Matthews, William H Frishman
Coronary artery disease remains one of the leading causes of morbidity and mortality in the United States. As a medical society, we continue to search for ways to better treat coronary artery disease and prevent acute coronary syndrome (ACS). As it stands, only statins and antiplatelet agents have been proven to significantly reduce the occurrence of ACS. A histopathological understanding of the pathogenesis of ACS has provided insight into the importance of plaque morphology. Therefore, it has been proposed that increasing the ability to detect true vulnerable, "at-risk" lesions, would foster the use of percutaneous coronary intervention as a means for the prevention of ACS...
March 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27548685/enhanced-external-counterpulsation-therapy-past-present-and-future
#4
Anoshia Raza, Kate Steinberg, Joseph Tartaglia, William H Frishman, Tanush Gupta
External counterpulsation therapy was first developed over half a century ago as a resuscitative tool to support the failing heart and was based on hemodynamic principles of the intraaortic balloon pump. Over the course of last few decades, it has evolved into the modern enhanced external counterpulsation (EECP) therapy, which has proven to be a safe, effective, and low-cost noninvasive treatment for patients with debilitating angina and chronic heart failure who are poor candidates for revascularization procedures and have suboptimal results from other therapies...
March 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922469/sports-and-driving-with-an-implantable-cardioverter-defibrillator
#5
Aileen M Ferrick, Kevin J Ferrick
Many patients with implantable cardioverter-defibrillators (ICD) want to participate in sports and many need or wish to operate a personal motor vehicle. Healthcare providers need to advise patients regarding restrictions related to these activities in the context of the clinical indication for the ICD. Ethical considerations need to be considered when advising ICD patients of restrictions to reduce risk of injury to themselves and to others when participating in either sports or driving. Shared decision-making is necessary to have ICD patients understand and comply with recommended restrictions...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922468/optimal-implantable-cardioverter-defibrillator-programming
#6
Bindi K Shah
Optimal programming of implantable cardioverter defibrillators (ICDs) is essential to appropriately treat ventricular tachyarrhythmias and to avoid unnecessary and inappropriate shocks. There have been a series of large clinical trials evaluating tailored programming of ICDs. We reviewed the clinical trials evaluating ICD therapies and detection, and the consensus statement on ICD programming. In doing so, we found that prolonged ICD detection times, higher rate cutoffs, and antitachycardia pacing (ATP) programming decreases inappropriate and painful therapies in a primary prevention population...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922467/lead-extraction-considerations-for-the-referring-cardiologist
#7
Ayman A Hussein, Bruce L Wilkoff
The population of patients with cardiac implantable electronic devices (CIEDs) continues to grow due to increasing indications in an aging population and breakthroughs in both the medical and the surgical care of patients with heart disease. As a result, there has been a growing need for device and lead extractions due to the growing population of patients with CIEDs and the subsequent need for system upgrades or revisions because of complications, infections, and lead advisory alerts.
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922466/smartphone-based-electrocardiographic-and-cardiac-implantable-electronic-device-monitoring
#8
Suneet Mittal
The field of arrhythmia monitoring is changing rapidly. The rapid advent of technology in combination with marked improvements in cellular communication and an increased desire by patients to be actively engaged in their care has ushered in a new era of clinical care. Today, physicians need to think about their patients outside the traditional in-office setting. Two technologies that embody this changing landscape are smartphone-based electrocardiographic (ECG) monitors and remote monitoring of cardiac implantable electronic devices (CIEDs)...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922465/welcome-peter-zimetbaum-md
#9
William H Frishman
No abstract text is available yet for this article.
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922464/cardiology-in-review-the-first-25-years
#10
William H Frishman
No abstract text is available yet for this article.
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27861421/current-and-emerging-uses-of-insertable-cardiac-monitors-evaluation-of-syncope-and-monitoring-for-atrial-fibrillation
#11
Todd T Tomson, Rod Passman
Insertable cardiac monitors (ICMs) have provided clinicians with a superb tool for assessing infrequent or potentially asymptomatic arrhythmias. ICMs have shown their usefulness in the evaluation of unexplained syncope, providing high diagnostic yields in a cost-effective manner. While unexplained syncope continues to be the most common reason for their use, ICMs are increasingly being used for the monitoring of atrial fibrillation (AF). Recent trials have demonstrated that a substantial proportion of patients with cryptogenic stroke have AF detected only by the prolonged monitoring provided by ICMs...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27861420/cardiac-resynchronization-therapy-maximizing-the-response-to-biventricular-pacing
#12
Chee Yuan Ng, E Kevin Heist
Cardiac resynchronization therapy (CRT) has become a mainstay therapy to improve clinical outcomes of patients with left ventricular systolic dysfunction and a wide QRS complex, in addition to guideline-directed medical therapy. As clinical experience with CRT continues to expand, the device and lead design, along with implantation techniques, have evolved as well. However, there is a significant proportion of patients with heart failure who do not have a favorable response to CRT. In this review article, we will discuss how to maximize the response to CRT, which includes patient characteristics, device features, positioning of the lead, and device programming...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27861419/heart-failure-with-preserved-mid-range-and-reduced-ejection-fraction-the-misleading-definition-of-the-new-guidelines
#13
Francesco Fedele, Massimo Mancone, Francesco Adamo, Paolo Severino
No abstract text is available yet for this article.
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27941399/welcome-peter-zimetbaum-md
#14
William Frishman
No abstract text is available yet for this article.
November 22, 2016: Cardiology in Review
https://www.readbyqxmd.com/read/27941398/cardiology-in-review-the-first-25-years
#15
William H Frishman
No abstract text is available yet for this article.
November 22, 2016: Cardiology in Review
https://www.readbyqxmd.com/read/27941400/lead-extraction-considerations-for-the-referring-cardiologist
#16
Ayman Hussein, Bruce L Wilkoff
The population of patients with cardiac implantable electronic devices (CIED) continues to grow owing to increasing indications in an aging population and breakthroughs in both the medical and surgical care of patients with heart disease. In clinical practice there has been a growing need for device and lead extraction due to the growing population of patients with CIEDs and the subsequent need for system upgrades or revisions because of complications, infections and lead advisory alerts. In this condensed review, we will discuss aspects of transvenous lead extraction, with a special focus on considerations that would be relevant to the referring cardiologist...
November 17, 2016: Cardiology in Review
https://www.readbyqxmd.com/read/27941397/smartphone-based-electrocardiographic-and-cardiac-implantable-electronic-device-monitoring
#17
Suneet Mittal
The field of arrhythmia monitoring is changing rapidly. The rapid advent of technology in combination with marked improvements in cellular communication and an increased desire by patients to be actively engaged in their care has ushered in a new era of clinical care. Today, physicians need to think about their patients outside the traditional in-office setting. Two technologies that embody this changing landscape are smartphone-based electrocardiographic (ECG) monitors and remote monitoring of cardiac implantable electronic devices (CIEDs)...
November 17, 2016: Cardiology in Review
https://www.readbyqxmd.com/read/27941396/sports-and-driving-with-an-implantable-cardioverter-defibrillator
#18
Aileen M Ferrick, Kevin J Ferrick
Many patients with implantable cardioverter-defibrillators (ICD) want to participate in sports and many need or wish to operate a personal motor vehicle. Healthcare providers need to advise patients regarding restrictions related to these activities in the context of the clinical indication for the ICD. Ethical considerations need to be considered when advising ICD patients of restrictions to reduce risk of injury to themselves and to others when participating in either sports or driving. Shared decision-making is necessary to have ICD patients understand and comply with recommended restrictions...
November 17, 2016: Cardiology in Review
https://www.readbyqxmd.com/read/27941395/optimal-implantable-cardioverter-defibrillator-programming
#19
Bindi K Shah
Optimal programming of implantable cardioverter defibrillators (ICDs) is essential to appropriately treat ventricular tachyarrhythmias and to avoid unnecessary and inappropriate shocks. There have been a series of large clinical trials evaluating tailored programming of ICDs. We reviewed the clinical trials evaluating ICD therapies and detection, as well as the consensus statement on ICD programming. In so doing, we found that prolonged ICD detection times, higher rate cutoffs, and antitachycardia pacing programming decreases inappropriate and painful therapies in a primary prevention population...
November 17, 2016: Cardiology in Review
https://www.readbyqxmd.com/read/27548691/wearable-cardioverter-defibrillators
#20
Aileen M Ferrick, David Tian, Vijaya Vudathaneni, Olga L Shevchuk, Neal J Ferrick, William Frishman
The use of implantable cardioverter defibrillators (ICD) has favorably impacted the prevention and treatment of sudden cardiac death (SCD) associated with ventricular arrhythmias. However, there are situations where an ICD cannot be immediately implanted, even though the patient is at high risk for SCD. The wearable cardioverter defibrillator (WCD) is a unique technology that can bridge this gap for patients. The WCD has been demonstrated to terminate ventricular tachycardia/fibrillation if worn and used correctly...
November 2016: Cardiology in Review
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