Related Experiment Video
Updated: Sep 14, 2025
14:58
Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
9.8K
Evolving medical treatment for vascular malformation
Calver Pang1,2, Rebecca Lee3, Rebecca Nisbet1,4
1Department of Vascular Surgery, Royal Free London NHS Foundation Trust, London, UK.
Phlebology
|July 25, 2025
Summary
Vascular malformations, abnormal vascular growths, have limited optimal treatments. Emerging targeted therapies focus on molecular pathways like PI3K/AKT/mTOR and RAS/RAF/MEK/ERK, offering new hope for effective management.
Area of Science:
- Vascular biology and medicine
- Genetics and molecular signaling
- Medical therapeutics
Background:
- Vascular malformations are congenital anomalies arising from genetic mutations during vascular development.
- Current treatments like surgery and embolization have limitations, including complications and incomplete cures.
- Understanding the molecular pathogenesis is crucial for developing advanced therapies.
Purpose of the Study:
- To review the evolving landscape of medical therapies for vascular malformations.
- To highlight targeted treatments based on molecular signaling pathways.
- To provide an overview of novel therapeutic strategies.
Main Methods:
- Literature review of existing and emerging medical treatments for vascular malformations.
- Analysis of molecular signaling pathways implicated in pathogenesis.
- Discussion of targeted drug development.
Main Results:
- Targeted therapies are being developed for key pathways including PI3K/AKT/mTOR and RAS/RAF/MEK/ERK.
- Inhibitors such as mTOR inhibitors, PIK3CA inhibitors, AKT inhibitors, MEK inhibitors, and BRAF inhibitors show therapeutic potential.
- Angiogenesis inhibitors are also recognized for treating vascular abnormalities.
Conclusions:
- Novel medical therapies targeting specific molecular pathways represent a significant advancement in treating vascular malformations.
- Targeted treatments offer a promising alternative to traditional invasive procedures.
- Further research into these pathways will likely yield more effective and personalized treatment options.
Related Concept Videos
01:26Mitral Stenosis III: Medical Management
23
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...
23
01:25Aortic Regurgitation III: Medical Management
44
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
44
01:26Aneurysm III: Interprofessional Care
26
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
26
01:26Varicose Veins II: Diagnostic Studies and Interprofessional Care
31
Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
31
01:18Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
225
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...
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
225
01:25Mitral Regurgitation III: Medical Management
31
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...
31