Interventions for superior vena cava syndrome.

Area of Science:

• Vascular Medicine
• Oncology
• Interventional Radiology

Background:

• Superior vena cava (SVC) syndrome presents as cerebral venous hypertension from SVC or innominate vein obstruction.
• Malignancy, particularly lung cancer and lymphoma, is the leading cause, with a rising incidence of benign etiologies like thrombosis from central lines or mediastinal fibrosis.

Purpose of the Study:

• To review the causes, clinical manifestations, and management strategies for SVC syndrome.
• To highlight the role of endovascular treatments and surgery in both malignant and benign etiologies.

Main Methods:

• Literature review of SVC syndrome causes, diagnostics, and therapeutic interventions.
• Analysis of current treatment guidelines for malignant and benign SVC syndrome.
• Evaluation of endovascular and surgical outcomes.

Main Results:

• SVC syndrome causes include malignancy (small cell lung cancer, non-Hodgkin lymphoma) and benign conditions (thrombosis, fibrosis).
• Emergent interventions like thrombolysis and stenting are crucial for airway compromise or cerebral edema.
• Multidisciplinary management for malignancy involves radiotherapy, chemotherapy, and interventions; endovascular treatment is primary for palliation.
• For benign disease, endovenous stenting and open surgery offer safe and effective symptom relief.

Conclusions:

• Endovascular treatment is the primary modality for palliation in malignant SVC syndrome and for managing benign etiologies.
• Surgery is reserved for cases refractory to or unsuitable for endovascular treatment.
• Both endovascular stenting and open surgery are effective for benign SVC syndrome, providing excellent symptom relief.