Heart failure with reduced ejection fraction is a serious condition where the heart’s pumping power becomes weakened, leaving the body without the blood supply it needs to function properly. While there is no cure, modern medicine offers numerous ways to manage this condition, slow its progression, and help people live fuller lives through carefully selected medications, lifestyle adjustments, and sometimes specialized medical devices.

Understanding Treatment Goals and Modern Approaches

When someone receives a diagnosis of heart failure with reduced ejection fraction, often called HFrEF or systolic heart failure, the medical team focuses on several important goals. The primary aim is to help the heart work more effectively, reduce troublesome symptoms like shortness of breath and swelling, and ultimately help patients live longer and enjoy a better quality of life. Treatment is never one-size-fits-all; doctors consider each person’s unique situation, including how advanced the condition is, what other health problems they may have, and how their body responds to different therapies.^[5]

This form of heart failure occurs when the left ventricle, the heart’s main pumping chamber, cannot squeeze forcefully enough to push adequate blood out to the body. In healthy hearts, more than 55 percent of blood in the left ventricle gets pumped out with each beat, a measurement called the ejection fraction. In HFrEF, this number drops to 40 percent or less, meaning the heart struggles to deliver oxygen and nutrients throughout the body.^[1][3]

Modern treatment relies on two main pillars: medications that have been proven to help people with HFrEF live longer and feel better, and advanced therapies including specialized devices or procedures. Medical societies and heart specialists worldwide have developed detailed recommendations based on years of research, which guide doctors in choosing the most effective treatments. At the same time, researchers continue exploring new approaches through clinical trials, testing innovative drugs and therapies that may offer even more help to patients in the future.^[10]

Standard Medical Treatment for Heart Failure with Reduced Ejection Fraction

The foundation of treating HFrEF rests on a group of medications collectively known as guideline-directed medical therapy, or GDMT. These are drugs that extensive research has proven reduce the risk of hospitalization and death while improving how patients feel day to day. The treatment approach involves using multiple medications together, each working through different mechanisms to support the struggling heart.^[11]

One of the cornerstone drug classes includes medications that block a system in the body called the renin-angiotensin-aldosterone system, or RAAS. This system, when overactive in heart failure, causes blood vessels to tighten and encourages the body to hold onto salt and water, putting extra strain on the heart. Doctors may prescribe ACE inhibitors (angiotensin-converting enzyme inhibitors) or angiotensin receptor blockers (ARBs), which help blood vessels relax and reduce the heart’s workload. These medications have been used successfully for many years to help people with HFrEF.^[13]

A newer and particularly effective option combines an angiotensin receptor blocker with a medication called a neprilysin inhibitor in a single pill, creating what doctors call an ARNI (angiotensin receptor-neprilysin inhibitor). This combination not only blocks harmful hormones but also protects helpful natural substances that relax blood vessels and help the kidneys remove excess fluid. Studies have shown this combination offers greater benefits than older medications alone, making it a preferred choice for many patients with HFrEF.^[10][11]

Beta-blockers form another essential component of HFrEF treatment. These medications slow the heart rate and reduce its workload by blocking the effects of stress hormones like adrenaline. Over time, beta-blockers help the heart remodel itself positively, potentially improving its pumping strength. Patients typically start with low doses that gradually increase over several weeks as the body adjusts. Common side effects may include fatigue or dizziness at first, but these often improve with time.^[13]

Mineralocorticoid receptor antagonists, sometimes called MRAs or aldosterone antagonists, add another layer of protection. These drugs block a hormone called aldosterone that causes the body to retain salt and water while also promoting harmful scarring in the heart muscle. By blocking this hormone, MRAs help reduce fluid buildup and protect the heart from further damage. Doctors monitor potassium levels carefully when patients take these medications, as they can cause potassium to rise too high.^[11][13]

A relatively new class of medications called sodium-glucose cotransporter-2 inhibitors, or SGLT2 inhibitors, has revolutionized HFrEF treatment in recent years. Originally developed to treat diabetes by helping kidneys remove excess sugar through urine, these drugs surprisingly showed remarkable benefits for the heart as well. They help reduce hospitalizations, improve symptoms, and may even help people live longer, regardless of whether they have diabetes. The exact way they help the heart isn’t completely understood, but they appear to reduce strain on the heart and improve how the body handles energy.^[11][13]

Beyond these cornerstone therapies, doctors may prescribe additional medications for specific situations. Diuretics, commonly called water pills, help the kidneys remove excess fluid that builds up in the lungs and legs, relieving breathlessness and swelling. While they don’t help people live longer, they dramatically improve comfort and quality of life. The dose often needs adjustment based on symptoms and weight changes.^[13]

For some patients who cannot tolerate ACE inhibitors or ARBs, or who need additional help, doctors may prescribe a combination of hydralazine and isosorbide dinitrate. This combination helps blood vessels relax through a different mechanism. Research has shown particular benefits in certain patient populations.^[11][13]

Another medication called ivabradine may help patients whose heart rate remains too fast despite beta-blocker treatment. It works by slowing the heart rate without affecting blood pressure, giving the heart more time to fill with blood between beats. Digoxin, one of the oldest heart failure medications, may be added to reduce symptoms and hospitalizations in some cases, though it doesn’t help people live longer.^[11][13]

A newer medication called vericiguat offers hope for patients whose symptoms worsen despite other treatments. It works by enhancing the effects of a natural substance that helps blood vessels relax. Studies showed it reduced hospitalizations and deaths in patients with worsening heart failure.^[11]

Treatment duration for HFrEF is typically lifelong, as the condition is chronic and medications work to manage rather than cure the underlying problem. Stopping medications can lead to rapid worsening of symptoms and potentially dangerous complications. However, some patients who respond very well to treatment and whose ejection fraction improves significantly may have their treatment adjusted under close medical supervision. This situation, called heart failure with improved ejection fraction, still requires ongoing care and monitoring.^[1]

Innovative Therapies in Clinical Research

While current medications offer substantial benefits, researchers worldwide continue developing and testing new approaches through clinical trials. These studies carefully evaluate whether experimental treatments are safe, how well they work, and how they compare to existing therapies. Clinical trials happen in phases, each designed to answer specific questions about a new treatment.^[26]

Phase I trials focus primarily on safety, typically involving small numbers of participants to determine if a new treatment causes harmful effects and to establish appropriate dosing. Phase II trials expand to larger groups, assessing whether the treatment shows promise in improving specific measurements related to heart function or symptoms. Phase III trials are large, comprehensive studies comparing the new treatment directly against current standard treatments or placebo to definitively prove whether it offers meaningful benefits.^[26]

Several innovative approaches are being explored in clinical trials for HFrEF. Researchers are investigating new medications that work through novel mechanisms to support heart function or reduce the harmful effects of chronic heart failure on the body. Some experimental drugs target specific molecular pathways involved in heart muscle damage or the body’s response to heart failure. Others aim to improve how the heart uses energy or reduce harmful inflammation.

Gene therapy represents an exciting frontier in heart failure research. Scientists are exploring ways to introduce genetic material into heart cells to improve their function or repair damage. While still largely in early-phase studies, this approach could potentially offer new options for patients who don’t respond well to existing treatments. Similarly, stem cell therapies are being investigated to see if they can help regenerate damaged heart tissue or improve the heart’s ability to repair itself.

Device-based therapies beyond traditional pacemakers and defibrillators are also under investigation. Some experimental devices aim to support heart function mechanically or modify how the nervous system affects the heart. Researchers continue studying whether modifying certain reflexes or nerve signals can help the failing heart work more efficiently.

Clinical trials for HFrEF take place in medical centers across the United States, Europe, and worldwide. Patients interested in participating must meet specific eligibility criteria, which typically consider factors like ejection fraction level, symptom severity, current medications, and other health conditions. Trial participants receive close monitoring and follow-up, contributing valuable information that helps advance treatment for all heart failure patients in the future.

Device Therapies and Specialized Procedures

For many people with HFrEF, medications alone provide substantial benefit. However, some patients may benefit from specialized medical devices or procedures that work alongside medications to improve outcomes. These interventions are carefully selected based on specific criteria and patient characteristics.^[12]

An implantable cardioverter-defibrillator, or ICD, is a small device placed under the skin of the chest, connected to the heart with thin wires called leads. It continuously monitors heart rhythm and can deliver an electrical shock if dangerous, life-threatening rhythms occur. Many people with significantly reduced ejection fraction face increased risk of sudden cardiac death from these abnormal rhythms, even when taking appropriate medications. ICDs can save lives by immediately correcting dangerous rhythms before they become fatal.^[12]

Cardiac resynchronization therapy, or CRT, involves a special type of pacemaker that coordinates the timing of contractions in different parts of the heart. In some people with HFrEF, electrical signals don’t travel normally through the heart, causing different chambers to contract out of sync. This uncoordinated pumping reduces efficiency. A CRT device, sometimes combined with an ICD, sends precisely timed electrical signals to resynchronize contractions, helping the heart pump more effectively. This can improve symptoms, quality of life, and survival in carefully selected patients, particularly those with certain electrical abnormalities visible on their electrocardiogram.^[12]

For patients with severe heart failure who continue experiencing significant symptoms despite optimal medical therapy, a left ventricular assist device, or LVAD, may be considered. This mechanical pump helps the weakened heart push blood to the body. Some patients receive LVADs as a bridge to heart transplantation, while others use them as long-term support when transplantation isn’t an option. These devices require major surgery and ongoing management but can dramatically improve quality of life and survival for appropriate candidates.

Heart transplantation remains the ultimate option for select patients with severe, end-stage heart failure who meet strict criteria and for whom other treatments have failed. Due to the limited number of donor hearts available, transplantation is reserved for carefully selected patients who are otherwise healthy enough to undergo the surgery and commit to lifelong medication and follow-up.^[12]

Recent advances include catheter-based procedures for patients who have significant leakage of the mitral valve, a condition called mitral regurgitation that sometimes develops in heart failure. A device called MitraClip can be inserted through blood vessels to clip together parts of the leaky valve, reducing the leak without requiring open-heart surgery. Studies have shown this procedure can improve symptoms and reduce hospitalizations in carefully selected patients with HFrEF and significant mitral regurgitation.^[10]

Most Common Treatment Methods

• Medications affecting the renin-angiotensin-aldosterone system
  • ACE inhibitors help relax blood vessels and reduce the heart’s workload by blocking formation of a hormone that tightens vessels
  • Angiotensin receptor blockers (ARBs) block the action of the same hormone through a different mechanism
  • Angiotensin receptor-neprilysin inhibitors (ARNIs) combine an ARB with a drug that protects helpful natural substances, offering stronger benefits than older options
  • Mineralocorticoid receptor antagonists block aldosterone, reducing fluid retention and protecting against heart scarring
• Beta-blockers
  • Slow heart rate and reduce workload by blocking stress hormones
  • Help the heart remodel itself positively over time
  • Require gradual dose increases from low starting doses
• SGLT2 inhibitors
  • Originally diabetes medications that also provide remarkable heart benefits
  • Help reduce hospitalizations and improve symptoms regardless of diabetes status
  • Work partly by helping kidneys remove excess sugar and reducing strain on the heart
• Diuretics
  • Help kidneys remove excess fluid accumulated in lungs and legs
  • Dramatically improve comfort and breathing
  • Require dose adjustments based on symptoms and weight changes
• Additional medications for specific situations
  • Hydralazine and isosorbide dinitrate combination helps blood vessels relax through an alternative mechanism
  • Ivabradine slows heart rate in patients who remain too fast despite beta-blockers
  • Digoxin can reduce symptoms and hospitalizations in selected patients
  • Vericiguat helps patients with worsening symptoms despite other treatments
• Implantable devices
  • Implantable cardioverter-defibrillators (ICDs) monitor heart rhythm and deliver shocks if life-threatening rhythms occur
  • Cardiac resynchronization therapy (CRT) devices coordinate heart contractions to improve pumping efficiency
  • Left ventricular assist devices (LVADs) mechanically help the heart pump blood in severe cases
• Specialized procedures
  • MitraClip procedure repairs leaky mitral valve through blood vessels without open-heart surgery
  • Heart transplantation for end-stage patients who meet strict criteria
• Supportive therapies
  • Iron replacement for patients with iron deficiency improves functional status and quality of life
  • Vaccination against flu and pneumonia recommended for all patients
  • Cardiac rehabilitation programs offer supervised exercise, education, and emotional support

The Vital Role of Lifestyle Modifications and Self-Care

While medications and devices form the medical foundation of HFrEF management, lifestyle choices and self-care behaviors play an equally crucial role in controlling symptoms and preventing worsening of the condition. Patients who actively participate in their care often experience better outcomes and quality of life.^[18][19]

Dietary modifications can significantly impact heart failure symptoms. Reducing salt intake helps prevent fluid accumulation since salt causes the body to retain water. Most patients should aim for less than 2,000 milligrams of sodium daily, which requires reading food labels carefully and avoiding processed foods that often contain hidden salt. In some cases, doctors may also recommend limiting daily fluid intake to prevent volume overload, particularly in patients with severe symptoms.^[17][19]

Maintaining a healthy, balanced diet supports overall health and provides the nutrients the body needs to function optimally. This includes plenty of fruits and vegetables, whole grains, lean proteins, and healthy fats while limiting saturated fats and added sugars. For patients who are overweight, gradual weight loss through healthy eating and appropriate physical activity can reduce strain on the heart.^[17]

Regular physical activity, surprisingly, benefits most people with HFrEF when done appropriately. While the idea of exercising with a weakened heart might seem counterintuitive, research shows that carefully prescribed exercise programs improve symptoms, increase endurance, and enhance quality of life. Cardiac rehabilitation programs provide supervised exercise plans tailored to each person’s abilities and limitations, gradually building strength and stamina. These programs also offer education about heart failure management and emotional support from staff and other participants.^[17][19]

Monitoring for changes in symptoms requires active engagement from patients. Daily weighing helps detect fluid accumulation before severe symptoms develop; a sudden weight gain of two or three pounds over a couple of days often signals fluid retention requiring medical attention. Patients learn to recognize worsening symptoms like increased shortness of breath, new or worse swelling, decreased exercise tolerance, or new irregular heartbeats, and when to contact their healthcare team.^[18]

Medication adherence—taking prescribed medications exactly as directed every day—critically affects outcomes. Missing doses or stopping medications without medical guidance can lead to rapid deterioration. Using pill organizers, setting reminders, and keeping medications in a visible location help ensure consistency. Understanding why each medication is necessary and how it helps can motivate continued adherence.^[18]

Lifestyle habits like smoking, excessive alcohol consumption, and recreational drug use must be addressed. Smoking damages blood vessels and strains the heart further, making quitting essential. While moderate alcohol consumption may be acceptable for some patients, excessive drinking can worsen heart failure or even cause it directly. Complete abstinence is recommended for patients whose heart failure resulted from alcohol use.^[17][19]

Managing stress and attending to mental health forms an often-overlooked but vital component of comprehensive care. Living with a chronic, serious condition like HFrEF commonly leads to anxiety, depression, or feelings of helplessness. These emotional challenges can affect motivation to care for oneself, medication adherence, and even physical symptoms. Many patients benefit from support groups where they can connect with others facing similar challenges, or from professional counseling to develop coping strategies.^[18]

Regular follow-up appointments with the healthcare team, typically at least every six months or more frequently if needed, allow for ongoing assessment and treatment adjustments. These visits provide opportunities to discuss symptoms, review medications, perform necessary tests, and address any concerns or questions. Patients who bring written lists of questions or symptoms to appointments help ensure important issues get addressed.^[17]

Living with Heart Failure: Practical Considerations

Heart failure affects daily life in various ways, but with proper management and adjustments, many people continue enjoying meaningful activities. Understanding what to expect and how to adapt helps maintain independence and quality of life.^[17]

Traveling typically remains possible for people with stable, well-controlled HFrEF. However, planning ahead becomes important. Patients should discuss travel plans with their doctor beforehand, especially for trips to high altitudes or very hot, humid climates that might stress the heart. Carrying medications in multiple places prevents problems if luggage is lost, and bringing a list of all medications and their purposes helps if medical care is needed while away. Airlines can provide wheelchair assistance through airports to avoid exhausting long walks. Some patients may benefit from wearing compression stockings during flights to reduce leg swelling.^[17]

Driving generally continues safely for most people with heart failure, though those with severe symptoms, recent hospitalizations, or implanted defibrillators that have delivered shocks may face temporary restrictions. Patients should discuss any concerns about driving safety with their healthcare team.

Sexual activity remains safe for most stable heart failure patients. Like any physical activity, intimacy requires energy, but people who can climb stairs without significant symptoms usually tolerate sexual activity well. Concerns or difficulties should be discussed openly with healthcare providers, as solutions often exist.

Emotional and psychological adjustment to living with heart failure takes time. Many people initially feel scared, angry, or overwhelmed by the diagnosis. These reactions are completely normal. Over time, as patients learn to manage their condition and see how treatment helps, many find acceptance and develop confidence in their ability to handle the disease. Maintaining connections with family and friends, staying engaged in enjoyable activities within physical limitations, and focusing on what can be controlled rather than what cannot all support emotional wellbeing.^[18]

For patients with advanced heart failure, discussions about future care preferences and end-of-life wishes form an important, though difficult, part of comprehensive care. Understanding the likely course of the disease and what treatment options might be available or appropriate in different scenarios helps patients make informed decisions aligned with their values and preferences. Healthcare teams should initiate these conversations early and revisit them regularly as the condition changes.^[6]