Related Experiment Videos

Propranolol treatment for severe infantile hemangiomas: a single-centre 3-year experience

Anastasia Georgountzou1, Emmanouil Karavitakis, Alexandra Klimentopoulou

  • 1First Department of Paediatrics, University of Athens, Aghia Sophia Children's Hospital, Athens, Greece. stacegee1@hotmail.com

Insights

Propranolol effectively treats infantile hemangiomas (IHs), showing significant regression in most patients. This treatment is well-tolerated, with good results even in cases of regrowth, though optimal duration requires further study.

Area of Science:

  • Pediatric Dermatology
  • Vascular Malformations
  • Pharmacology

Background:

  • Infantile hemangiomas (IHs) are common benign vascular tumors in infants.
  • Proliferative-phase IHs can cause significant cosmetic and functional issues.
  • Limited treatment options exist for problematic IHs.

Purpose of the Study:

  • To assess the efficacy, safety, and tolerability of propranolol as a monotherapy for infantile hemangiomas.
  • To evaluate propranolol's effectiveness in problematic, proliferative-phase IHs.
  • To determine the clinical response and side effects of propranolol treatment.

Main Methods:

  • 28 children with IHs received oral propranolol (2 mg/kg/day).
  • Cardiologic evaluation, hemodynamic monitoring, and blood glucose monitoring were performed.
  • Clinical response, tolerance, and photographic documentation were assessed monthly.

Main Results:

  • All patients showed initial improvements in color and growth within one month.
  • 24 patients achieved >90% regression after a mean of 7.56 months.
  • Four patients experienced hypotension; no treatment interruptions occurred due to side effects.

Conclusions:

  • Propranolol is an effective first-line treatment for infantile hemangiomas with excellent clinical tolerance.
  • Propranolol appears effective in managing IH regrowth.
  • Long-term studies are needed to determine optimal treatment duration.
Abstract

Related Concept Videos

Adrenergic Antagonists: Pharmacological Actions of β-Receptor Blockers01:27

Adrenergic Antagonists: Pharmacological Actions of β-Receptor Blockers

β-receptor blockers significantly impact the cardiovascular system by counteracting catecholamine-induced sympathetic responses. These medications decrease heart rate, contractility, and cardiac output, potentially leading to cardiac depression, life-threatening bradycardia, and death. Therapeutically, β-blockers function as mild antihypertensives and are utilized in treating angina pectoris and cardiac arrhythmias. However, nonselective β-blockers inhibit β2-receptors in bronchial smooth...
Adrenergic Antagonists: ɑ and β-Receptor Blockers01:31

Adrenergic Antagonists: ɑ and β-Receptor Blockers

Third-generation β-blockers, such as labetalol and carvedilol, represent a significant advancement in managing cardiovascular conditions. Unlike conventional β-blockers, which can induce peripheral vasoconstriction, third-generation drugs block α1 adrenoceptors. This promotes vasodilation through several mechanisms, such as increased nitric oxide production, inhibition of calcium ion entry, opening of potassium ion channels, and antioxidant action. Labetalol, for instance, is clinically...
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists

Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme (ECE). Of...