Pneumocephalus in thoracoabdominal aortic aneurysm repair after lumbar drain removal and blood patch

Pneumocephalus in thoracoabdominal aortic aneurysm repair after lumbar drain removal and blood patch

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Lumbar spinal drain use during thoracic and thoracoabdominal aortic aneurysm repair has reduced the incidence of ischemic spinal cord injury with relatively low risk.We report a case of pneumocephalus in a 55-year-old woman who had undergone open repair of a 6.7-cm type IV Ornament thoracoabdominal aortic aneurysm.After lumbar spinal drain removal, she developed a postdural headache, which was subsequently treated with blood patch placement.After discharge, she had presented with transient headaches, perioral numbness, and left-hand weakness.

Computed tomography revealed intraventricular gas within the lateral ventricles.Pneumocephalus is an exceedingly rare and potentially dangerous complication of lumbar MENTHOL spinal drains and blood patch placement.