Treatment focuses on improving the symptoms and preventing the progression of the disease. Reversible causes of heart failure also need to be addressed (e.g. infection, alcohol ingestion, anemia, thyrotoxicosis, arrhythmia, and hypertension). Treatments include lifestyle and pharmacological modalities, and occasionally various forms of device therapy. Rarely, cardiac transplantation is used as an effective treatment when heart failure has reached the end stage. Acute decompensation In acute decompensated heart failure, the immediate goal is to re-establish adequate perfusion and oxygen delivery to end organs. This entails ensuring that airway, breathing, and circulation are adequate. Immediate treatments usually involve some combination of vasodilators such as nitroglycerin, diuretics such as furosemide, and possibly noninvasive positive pressure ventilation. Supplemental oxygen is indicated in those with oxygen saturation levels below 90%, but is not recommended in those with normal oxygen levels in normal atmosphere. Chronic management The goals of treatment for people with chronic heart failure are the prolongation of life, prevention of acute decompensation, and reduction of symptoms, allowing for greater activity. Heart failure can result from a variety of conditions. In considering therapeutic options, excluding reversible causes is of primary importance, including thyroid disease, anemia, chronic tachycardia, alcohol use disorder, hypertension, and dysfunction of one or more heart valves. Treatment of the underlying cause is usually the first approach to treating heart failure. In the majority of cases, though, either no primary cause is found or treatment of the primary cause does not restore normal heart function. In these cases, behavioral, medical and device treatment strategies exist that can provide a significant improvement in outcomes, including the relief of symptoms, exercise tolerance, and a decrease in the likelihood of hospitalization or death. Breathlessness rehabilitation for chronic obstructive pulmonary disease and heart failure has been proposed with exercise training as a core component. Rehabilitation should also include other interventions to address shortness of breath including psychological and educational needs of people and needs of carers. Iron supplementation appears useful in those with iron deficiency anemia and heart failure. Advance care planning The latest evidence indicates that advance care planning (ACP) may help to increase documentation by medical staff regarding discussions with participants, and improve an individual's depression. This involves discussing an individual's future care plan in consideration of the individual's preferences and values. The findings are however, based on low-quality evidence. Monitoring The various measures often used to assess the progress of people being treated for heart failure include fluid balance (calculation of fluid intake and excretion) and monitoring body weight (which in the shorter term reflects fluid shifts). Remote monitoring can be effective to reduce complications for people with heart failure. Lifestyle Behavior modification is a primary consideration in chronic heart failure management program, with dietary guidelines regarding fluid and salt intake. Fluid restriction is important to reduce fluid retention in the body and to correct the hyponatremic status of the body. The evidence of benefit of reducing salt, however, is poor as of 2018. Exercise and physical activity Exercise should be encouraged and tailored to suit individual capabilities. A meta-analysis found that centre-based group interventions delivered by a physiotherapist are helpful in promoting physical activity in HF. There is a need for additional training for physiotherapists in delivering behaviour change intervention alongside an exercise programme. An intervention is expected to be more efficacious in encouraging physical activity than the usual care if it includes Prompts and cues to walk or exercise, like a phone call or a text message. It is extremely helpful if a trusted clinician provides explicit advice to engage in physical activity (Credible source). Another highly effective strategy is to place objects that will serve as a cue to engage in physical activity in the everyday environment of the patient (Adding object to the environment; e.g., exercise step or treadmill). Encouragement to walk or exercise in various settings beyond CR (e.g., home, neighbourhood, parks) is also promising (Generalisation of target behaviour). Additional promising strategies are Graded tasks (e.g., gradual increase in intensity and duration of exercise training), Self-monitoring, Monitoring of physical activity by others without feedback, Action planning, and Goal-setting. The inclusion of regular physical conditioning as part of a cardiac rehabilitation program can significantly improve quality of life and reduce the risk of hospital admission for worsening symptoms, but no evidence shows a reduction in mortality rates as a result of exercise. Furthermore, whether this evidence can be extended to people with HFpEF or to those whose exercise regimen takes place entirely at home is unclear. Home visits and regular monitoring at heart-failure clinics reduce the need for hospitalization and improve life expectancy. Medication Quadruple Medical Therapy using angiotensin-receptor neprilysin inhibitor ARNI, beta blocker, mineralocorticoid receptor antagonist MRA, and sodium glucose cotransporter-SGLT-2 inhibitor is now the standard of care as of 2021. First line medications First-line therapy for people with heart failure due to reduced systolic function should include angiotensin-converting enzyme (ACE) inhibitors (ACE-I), or angiotensin receptor blockers (ARBs) if the person develops a long-term cough as a side effect of the ACE-I. Use of medicines from these classes is associated with improved survival, fewer hospitalizations for heart failure exacerbations, and improved quality of life in people with heart failure. ARNI Sacubitril/valsartan should be used in those who still have symptoms while on an ACE-I or ARB, beta blocker, and a mineralocorticoid receptor antagonist as it reduces the risks of cardiovascular mortality and hospitalisation for heart failure by a further 4.7% (absolute risk reduction). However, the use of this combination agent requires the cessation of ACE-i or ARB therapy 48 hours before its initiation. Beta-adrenergic blocking agents (beta blockers) also form part of the first line of treatment, adding to the improvement in symptoms and mortality provided by ACE-I/ARB. The mortality benefits of beta blockers in people with systolic dysfunction who also have atrial fibrillation is more limited than in those who do not have it. If the ejection fraction is not diminished (HFpEF), the benefits of beta blockers are more modest; a decrease in mortality has been observed, but reduction in hospital admission for uncontrolled symptoms has not been observed. In people who are intolerant of ACE-I and ARBs or who have significant kidney dysfunction, the use of combined hydralazine and a long-acting nitrate, such as isosorbide dinitrate, is an effective alternate strategy. This regimen has been shown to reduce mortality in people with moderate heart failure. It is especially beneficial in the black population. In people with symptomatic heart failure with markedly reduced ejection fraction (anyone with an ejection fraction of 35% or lower or less than 40% if following a heart attack), the use of an mineralocorticoid antagonist, such as spironolactone or eplerenone, in addition to beta blockers and ACE-I (once titrated to the target dose or maximum tolerated dose), can improve symptoms and reduce mortality. SGLT2 inhibitor is the newest medicine for heart failure. Other medications Second-line medications for CHF do not confer a mortality benefit. Digoxin is one such medication. Its narrow therapeutic window, a high degree of toxicity, and the failure of multiple trials to show a mortality benefit have reduced its role in clinical practice. It is now used in only a small number of people with refractory symptoms, who are in atrial fibrillation, and/or who have chronic hypotension. Diuretics have been a mainstay of treatment against symptoms of fluid accumulation, and include diuretics classes such as loop diuretics, thiazide-like diuretics, and potassium-sparing diuretics. Although widely used, evidence on their efficacy and safety is limited, with the exception of mineralocorticoid antagonists such as spironolactone. Mineralocorticoid antagonists in those under 75 years old appear to decrease the risk of death. Anemia is an independent factor in mortality in people with chronic heart failure. Treatment of anemia significantly improves quality of life for those with heart failure, often with a reduction in severity of the NYHA classification, and also improves mortality rates. The European Society of Cardiology guideline in 2016 recommend screening for iron-deficiency anemia and treating with intravenous iron if deficiency is found. The decision to anticoagulate people with HF, typically with left ventricular ejection fractions <35% is debated, but generally, people with coexisting atrial fibrillation, a prior embolic event, or conditions that increase the risk of an embolic event such as amyloidosis, left ventricular noncompaction, familial dilated cardiomyopathy, or a thromboembolic event in a first-degree relative. Vasopressin receptor antagonists can also be used to treat heart failure. Conivaptan is the first medication approved by US Food and Drug Administration for the treatment of euvolemic hyponatremia in those with heart failure. In rare cases hypertonic 3% saline together with diuretics may be used to correct hyponatremia. Ivabradine is recommended for people with symptomatic heart failure with reduced left ventricular ejection fraction who are receiving optimized guideline-directed therapy (as above) including the maximum tolerated dose of beta-blocker, have a normal heart rhythm and continue to have a resting heart rate above 70 beats per minute. Ivabradine has been found to reduce the risk of hospitalization for heart failure exacerbations in this subgroup of
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