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Published on: July 9, 2020

Haemorrhagic complication following percutaneous transluminal angioplasty for carotid stenosis

O Masuo1, T Terada, H Matsumoto

  • 1Department of Neurological Surgery, Wakayama Medical College, Wakayama-City, Japan.

Acta Neurochirurgica
|February 24, 2001
PubMed

Insights

Two patients experienced bleeding after carotid angioplasty. Post-procedure hyperperfusion, indicated by increased blood flow velocity and transit time, is suggested as the cause of these hemorrhagic complications.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Radiology

Background:

  • Percutaneous transluminal angioplasty (PTA) is a common procedure for treating carotid stenosis.
  • Hemorrhagic complications following PTA, though rare, can be severe.

Observation:

  • Two cases of hemorrhagic complications after carotid PTA are presented.
  • Computed tomography (CT) revealed subarachnoid hemorrhage in one patient and intracerebral hemorrhage in another.
  • Cerebral blood flow velocity and mean transit time were measured using transcranial Doppler (TCD) and dynamic CT in the patient with intracerebral hemorrhage.

Findings:

  • The patient with intracerebral hemorrhage showed significantly increased cerebral blood flow velocity and peak height.
  • These hemodynamic changes suggest a state of postoperative hyperperfusion.

Implications:

  • Postoperative hyperperfusion may be a causative factor in hemorrhagic complications after carotid PTA.
  • This finding highlights the importance of monitoring cerebral hemodynamics post-procedure.
  • Further research is warranted to elucidate the mechanisms and preventative strategies for hyperperfusion-related complications.

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