Idiopathic transdural anastomoses in elderly patients with atherosclerotic ischemic cerebrovascular disease. Two case

Shun-ichi Nagata1, Kiyoshi Kazekawa, Hiroshi Aikawa

  • 1Kanemaru Neurosurgical Hospital, Miyazaki, Japan.

Insights

Transdural anastomoses can develop in patients with atherosclerotic ischemic cerebrovascular disease. Surgeons must carefully preserve these vascular connections during revascularization procedures to prevent complications.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Neuroscience

Background:

  • Atherosclerotic ischemic cerebrovascular disease is a common cause of stroke and cognitive decline.
  • Transdural anastomoses are abnormal connections between the dura mater and cerebral vessels.
  • These anastomoses may represent a compensatory mechanism in cerebrovascular disease.

Observation:

  • Two patients with atherosclerotic ischemic cerebrovascular disease were identified to have transdural anastomoses.
  • One patient, a 74-year-old woman, experienced a cerebral infarct.
  • The other patient, a 76-year-old man, presented with dementia.

Findings:

  • The presence of transdural anastomoses was confirmed in both patients.
  • These findings suggest that transdural anastomoses can occur in the context of atherosclerotic ischemic cerebrovascular disease.
  • The clinical manifestations in these patients (infarct and dementia) highlight potential consequences of cerebrovascular compromise.

Implications:

  • Transdural anastomoses may play a role in the pathophysiology or compensation of cerebrovascular disease.
  • Recognition of these anastomoses is crucial for surgical planning in patients undergoing revascularization.
  • Avoiding damage to transdural anastomoses during surgery may be essential for preventing neurological deficits.

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