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Endovascular Treatment for Upper Body Central Venous Obstruction
Shiro Miyayama1, Masashi Yamashiro1, Rie Ikeda1
1Department of Diagnostic Radiology, Fukui-ken Saiseikai Hospital, Japan.
Insights
Endovascular treatments effectively manage upper body central venous obstruction from cancer or benign causes. Metallic stent placement is crucial for malignant superior vena cava syndrome, with various venous access routes available.
Area of Science:
- Interventional Radiology
- Vascular Surgery
- Cardiology
Background:
- Symptomatic upper body central venous obstruction necessitates endovascular interventions.
- Malignant and benign etiologies require tailored endovascular approaches.
Observation:
- Catheter-directed thrombolysis, thrombectomy, angioplasty, and metallic stent placement are key endovascular techniques.
- Metallic stent placement is emergent for malignant superior vena cava syndrome with cerebral or laryngeal edema.
- Access is typically via femoral vein, with brachial or internal jugular veins as alternatives, including through-and-through access.
- Sharp recanalization is a salvage option for chronic benign obstructions resistant to conventional methods.
Findings:
- Endovascular procedures offer effective treatment for central venous obstruction.
- Metallic stenting is vital in emergent malignant superior vena cava syndrome.
- Recanalization techniques provide solutions for challenging benign obstructions.
Implications:
- These minimally invasive techniques improve patient outcomes for central venous obstruction.
- Understanding access strategies and salvage options is crucial for successful treatment.
- Awareness of potential complications like pulmonary edema and stent migration is essential for patient safety.
Abstract:
Endovascular treatment, such as catheter-directed thrombolysis, thrombectomy, balloon angioplasty, and metallic stent placement, is performed for symptomatic upper body central venous obstruction caused by both malignant and benign etiologies. In particular, metallic stent placement should be performed in emergent situations for malignant superior vena cava syndrome presenting with cerebral or laryngeal edema. In malignant cases, the obstruction is usually traversed via the femoral vein. When it fails, an additional trial via the brachial or internal jugular vein is performed, and if necessary, through-and-through access is established. In benign chronic obstructions that cannot be crossed by conventional techniques, sharp recanalization techniques are salvage options. The procedures are relatively safe; however, major complications such as acute pulmonary edema, cardiac tamponade, pulmonary embolism, and stent migration should be warned.
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