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The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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Swinging subclavian artery web.

Zhong-Yu Cao1, Fu-Liang Zhang1, Baofeng Xu2

  • 1Stroke Center, Department of Neurology, the First Hospital of Jilin University, Xinmin Street 1, Changchun, China.

Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
|September 15, 2025
PubMed
Summary
This summary is machine-generated.

Subclavian artery web, a rare fibromuscular dysplasia variant, can cause stroke. Stent implantation successfully treated a patient with this condition, preventing further embolic events.

Keywords:
Digital subtraction angiographyEmbolizationPosterior circulation strokeStent implantationSubclavian arterial web

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Area of Science:

  • Vascular Surgery
  • Neurology
  • Radiology

Background:

  • Subclavian artery web (SAW) is a rare intimal variant of fibromuscular dysplasia.
  • SAW is increasingly recognized as a potential cause of posterior-circulation stroke.
  • The optimal management for SAW remains uncertain due to its rarity.

Purpose of the Study:

  • To report a case of SAW diagnosed using advanced imaging techniques.
  • To describe the successful management of SAW with stent implantation.
  • To highlight the potential of endovascular treatment in preventing embolic events associated with SAW.

Main Methods:

  • Diagnosis of SAW was established using digital subtraction angiography (DSA) and computed tomography angiography (CTA).
  • The patient underwent successful stent implantation to address the intraluminal abnormality.
  • Hemodynamic disturbances and embolic risk were evaluated post-intervention.

Main Results:

  • Digital subtraction angiography and computed tomography angiography confirmed the presence of a subclavian artery web.
  • Stent implantation effectively resolved the intraluminal projection and associated hemodynamic disturbances.
  • The intervention successfully prevented further embolic events, mitigating stroke risk.

Conclusions:

  • Subclavian artery web is a treatable cause of posterior circulation stroke.
  • Combined DSA and CTA are effective diagnostic tools for SAW.
  • Stent implantation is a viable therapeutic option for managing SAW and preventing embolization.