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).

AIM: Physicians fall short of heart failure guidelines

Despite the American Heart Association and American College of Cardiology guidelines that outline the most appropriate treatment for congestive heart failure, physicians are slacking on prescribing proper drug therapy that would be most beneficial, according to a study published in the Aug. 9/23 edition of the Archives of Internal Medicine.

Review: Patients' refusal of treatment should extend to LVAD removal

Researchers at the Mayo Clinic are proposing patients should have the right to refuse or request withdrawal of ventricular assist devices, according to an article published online June 28 in Mayo Clinic Proceedings.

Medtronic trials spinal cord stimulation for heart failure

Medtronic has launched the Defeat-HF (Determining the Feasibility of Spinal Cord Neuromodulation for the Treatment of Chronic Heart Failure), a prospective, randomized trial evaluating the clinical feasibility of spinal cord stimulation, or neurostimulation, to improve clinical signs and symptoms of heart failure.

JACC: New guidelines outline proper HF, transplant care

New guidelines published in this week's Journal of the American College of Cardiology (JACC) outline the specific methods needed to properly manage heart failure (HF) and heart transplant patients, including practicing at an institution with the proper infrastructure to necessitate care, working in a multidisciplinary team-based approach and utilizing a disease management approach to care.

EJHF: Bronchodilators are independent risk factor of worsening HF

Bronchodilator use is a powerful independent predictor of worsening heart failure (HF) and increased mortality in a broad spectrum of patients with HF, according to the CHARM trial results published online July 9 in the European Journal of Heart Failure.

Circulation: Exercise training for HF patients shifts costs to patients

The cost of exercise training was relatively low for the healthcare system, but patients incurred significant time costs, based on an economic sub-study of HF-ACTION, published online June 15 in Circulation: Cardiovascular Quality and Outcomes. In this economic evaluation, the researchers said there was little systematic benefit in terms of overall medical resource use with this intervention.

Circulation: Sleep apnea in men boosts risk of HF, heart disease

Middle-aged and older men diagnosed with severe obstructive sleep apnea run a greater risk of developing heart failure (HF) and coronary heart disease, according to results of the Sleep Heart Health Study published July 12 in Circulation.

N.J. health orgs partner to reduce HF readmissions

A new initiative launched by the New Jersey Hospital Associations Institute for Quality and Patient Safety will bring together 50 organizations to work towards reducing readmissions for heart failure patients.

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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