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Related Experiment Videos

Reciprocal compression between the axillary artery and brachial plexus.

J D Araujo1, J O Azenha Filho, E T Barros

  • 1Instituto de Moléstias Cardiovasculares, São José do Rio Preto, São Paulo, Brasil.

The Journal of Cardiovascular Surgery
|March 1, 1988
PubMed
Summary
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A rare cause of thoracic outlet syndrome, lower trunk brachial plexus compression, was identified in 2.5% of patients. This condition, presenting as axillary artery obstruction, can be diagnosed and treated surgically.

Area of Science:

  • Vascular Surgery
  • Neurology
  • Radiology

Background:

  • Thoracic outlet syndrome (TOS) encompasses various neurovascular compression syndromes.
  • Hyperabduction syndrome, a subset of TOS, can involve arterial compromise.
  • The specific etiology of lower trunk brachial plexus compression causing axillary artery obstruction is infrequently documented.

Purpose of the Study:

  • To investigate a seldom-known cause of hyperabduction syndrome in patients with TOS.
  • To describe the angiographic findings and surgical management of axillary artery obstruction due to brachial plexus compression.
  • To evaluate the diagnostic utility of angiography in identifying complex TOS cases.

Main Methods:

  • Retrospective analysis of 60 patients undergoing angiography for TOS.

Related Experiment Videos

  • Identification of cases with axillary artery obstruction and collateral refilling via external mammary and shoulder arteries.
  • Review of surgical interventions and outcomes.

    • Main Results:

    • Ten patients (16.7% of those studied, 2.5% of all TOS patients) presented with axillary artery obstruction.
    • Obstruction was attributed to lower trunk brachial plexus compression.
    • Surgical treatment involved arterial release and anterior anastomosis to the brachial plexus.

    Conclusions:

    • Lower trunk brachial plexus compression is a rare but significant cause of TOS-induced hyperabduction syndrome.
    • Angiography is crucial for diagnosing concomitant arterial compression in TOS.
    • Surgical decompression and arterial reconstruction offer effective treatment for this condition.