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Related Experiment Videos

[Brain dysfunction after operation of aortic arch aneurysm].

H Urayama1, S Katada, H Takemura

  • 1First Department of Surgery, Kanazawa University School of Medicine.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|October 1, 1992
PubMed
Summary

Postoperative brain dysfunction occurred in 5 of 18 patients undergoing aortic arch aneurysm surgery. Advanced age and atherosclerosis increased risk, highlighting the need for preventative strategies.

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Area of Science:

  • Cardiovascular Surgery
  • Neurology
  • Vascular Surgery

Background:

  • Aortic arch aneurysm surgery carries a risk of postoperative brain dysfunction.
  • Understanding risk factors and preventative measures is crucial for patient outcomes.

Observation:

  • 18 patients surviving >30 days after aortic arch aneurysm repair were studied.
  • Operative procedures included graft replacement, resection, and thromboexclusion.
  • Adjuncts like extracorporeal circulation (EPC) and selective cerebral perfusion were employed.

Findings:

  • Postoperative brain dysfunction occurred in 5 patients (28%), manifesting as altered consciousness or paralysis.
  • Older male patients with atherosclerotic aneurysms experienced dysfunction more frequently.
  • CT scans showed no significant changes in temporary dysfunction but low-density areas in lasting dysfunction.

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Implications:

  • Preoperative assessment of cerebrovascular disorders is recommended.
  • Gentle surgical technique, bilateral cerebral perfusion, and intraoperative monitoring are advised.
  • Intensive perioperative cardiovascular and respiratory care are essential for preventing brain dysfunction.