Related Experiment Video
Updated: May 18, 2026
07:59
Acetylcholine Re-Challenge After Intracoronary Nitroglycerine Administration
Published on: April 4, 2022
When should we use nitrates in congestive heart failure?
Enrico Vizzardi1, Ivano Bonadei, Riccardo Rovetta
1Section of Cardiovascular Diseases, Department of Experimental and Applied Medicine, University of Study of Brescia, Brescia, Italy. enrico.vizzardi@tin.it
Cardiovascular Therapeutics
|September 8, 2012
Summary
Organic nitrates are common heart failure drugs. This review examines clinical trials evaluating their effectiveness in acute and chronic heart failure, highlighting limited research despite widespread use.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Organic nitrates are established cardiovascular medications.
- Their application in heart failure management is prevalent in clinical practice.
- Evidence from clinical trials specifically for heart failure is limited.
Purpose of the Study:
- To systematically review and analyze clinical trials assessing the efficacy of organic nitrates.
- To examine the use of nitrates in both acute and chronic heart failure settings.
- To provide an overview of existing research comparing nitrates with other heart failure therapies.
Main Methods:
- Literature search of clinical trials involving organic nitrates in heart failure.
- Analysis of trial endpoints and comparative effectiveness.
- Synthesis of findings from selected studies.
Main Results:
- Few clinical trials specifically target nitrate use in heart failure.
- Existing trials often compare nitrates against other treatments for various outcomes.
- Data on optimal use in acute and chronic heart failure remains sparse.
Conclusions:
- Further research is needed to establish definitive guidelines for nitrate use in heart failure.
- Clinical practice often precedes robust trial evidence for these agents.
- Understanding comparative effectiveness requires more dedicated clinical trials.
Related Concept Videos
01:30Heart Failure V: Medical Management
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
01:16Antianginal Drugs: Nitrates and β-Blockers
In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...
01:22Heart Failure Drugs: β-Blockers
β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation, vasodilation, and...
01:20Angina V: Nursing Management
Angina, a symptom of myocardial ischemia, requires a structured nursing management approach to ensure effective care and prevent complications like myocardial infarction. Comprehensive nursing care involves assessing, diagnosing, planning, implementing interventions, and evaluating outcomes, all tailored to the individual patient's needs.Patient AssessmentNursing assessment begins with a detailed subjective evaluation of symptoms, which typically include chest pain or pressure radiating to the...
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
01:30Heart Failure VII: Nursing Interventions
The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...