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Updated: Jan 19, 2026

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Cerebral infarct after bronchial artery embolization.

Feng Gao1, Yali Xu2, Shu Fang3

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Bronchial artery embolization effectively treats hemoptysis but can rarely cause cerebral infarct. This complication may arise from emboli traveling through subclavian artery connections.

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Area of Science:

  • Interventional Radiology
  • Vascular Neurology
  • Pulmonary Medicine

Background:

  • Bronchial artery embolization (BAE) is a primary treatment for hemoptysis.
  • Cerebral infarct is a rare but serious complication following BAE.
  • Understanding the mechanisms of neurological complications is crucial for patient safety.

Purpose of the Study:

  • To report cases of cerebral infarct after BAE.
  • To investigate the potential mechanism of errant embolic passage.
  • To highlight the importance of recognizing this rare complication.

Main Methods:

  • Retrospective review of two cases with cerebral infarct post-BAE.
  • Analysis of angiographic findings and patient outcomes.
  • Review of relevant literature on BAE complications.

Main Results:

  • Two patients developed cerebral infarct following BAE.
  • Embolic material likely traversed via subclavian artery anastomoses.
  • This pathway represents a potential route for non-target embolization.

Conclusions:

  • Cerebral infarct is a potential severe complication of BAE.
  • Anatomical variations, specifically subclavian artery anastomoses, may predispose to this event.
  • Awareness and careful technique are essential during BAE.