Heart Failure

Heart failure occurs when the heart cannot pump as much blood as the body requires. This ineffective pumping can lead to enlargement of the heart as the myocardium works harder pump the same amount of blood. Heart failure may be caused by defects in the myocardium, such as an a heart attack infarct, or due to structural issues such as severe heart valve regurgitation. Heart failure can be divided into HF with preserved ejection fraction (HFpEF), and HF with reduced ejection fraction (HFrEF). The disease is further divided into four New York Heart Association (NYHA) classes. Stage IV heart failure is when the heart is completely failing and requires a heart transplant or hemodynamic support from a left ventricular assist device (LVAD).

AHJ: Getting with the guidelines can help provide equitable care

Despite the fact that Hispanic and black heart failure (HF) patients usually fair worse than white patients in terms of cardiovascular risk factors, when hospitals participated in the American Heart Associations Get with the Guidelines HF quality improvement programs, outcomes were similar across all racial and ethnic groups, according to the results of a study published in the April issue of the American Heart Journal.

ACC: Valsartan and amlodipine face off in NAGOYA HEART study

NEW ORLEANS--While calcium channel blockers (CCB) have been previously recommended as a first-line treatment strategy for diabetic, hypertension patients, currently, ACE inhibitors and ARBs have been shown to be more efficacious. Results of the NAGOYA HEART study, presented as a late-breaking clinical trial April 5, showed that while valsartan reduced the risk of congestive heart failure compared with amlodipine-based treatment, results were similar for the two treatments in terms of cardiovascular outcomes.

ACC: CABG may have role for HF patients with CAD

NEW ORLEANS--In heart failure (HF) patients with coronary artery disease (CAD) on medical therapy, CABG should now be considered to reduce cardiovascular mortality and morbidity, as patients have similar outcomes to contemporary medical therapy, concluded the researchers of the STICH trial presented April 4 as a late-breaking clinical trial at the 60th annual American College of Cardiology (ACC) conference.

ACC: Sickle cell trait in black athletes tied to sudden cardiac death

Sickle cell trait is a condition most commonly found in African-Americans, and being diagnosed with the condition doesnt usually cause room for concern. However, evidence presented during a poster session at the American College of Cardiology (ACC) scientific sessions in New Orleans suggests that the condition may have some association with sudden cardiac death, specifically in young athletes.

JACC: LVADs promising for end-stage HF patients

End-stage heart failure (HF) patients can be treated safely and effectively by the HeartWare Ventricular Assist System and see an improved quality of life and neurocognitive function, according to a study published in the March 22 issue of the Journal of the American College of Cardiology.

Feature: New HF risk marker may gauge autonomic nervous system

Why do some heart failure (HF) patients spiral downhill quickly while others do not? The answer may lie in how hard the autonomic nervous system is compensating to mask symptoms and measuring that stress could better triage patients to receive implantable devices.

Medtronics CV line bolsters Q3, still moves to divest Physio-Control

Medtronic has released positive earnings in its financial results for its third quarter of fiscal year 2011, which ended Jan. 28. The revenue and earnings were strongly bolstered by strong returns in its cardiac and vascular group, but the company restated its intention to sell off external defibrillator unit Physio-Control.

Overcoming Hurdles for Effective Heart Failure Telemonitoring

Remote patient monitoring for chronic conditions such as hypertension, diabetes and chronic obstructive pulmonary disease (COPD) have demonstrated successful outcomes. The evidence for heart failure (HF) monitoring, however, is less definitive. Yet, newer approaches may turn things around.

Around the web

Ron Blankstein, MD, professor of radiology, Harvard Medical School, explains the use of artificial intelligence to detect heart disease in non-cardiac CT exams.

Eleven medical societies have signed on to a consensus statement aimed at standardizing imaging for suspected cardiovascular infections.

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