title: An unusual entrance site of venous air embolism during operations in the sitting position.
abstract: Embolism of air into the venous system occurs during approximately 25% of neurosurgical operations performed with the patient in the sitting position. The present report calls attention to an unusual entry site for such air embolism-the punctures in the scalp made by a neurosurgical pin-type head holder.
mesh_terms: D004618:Embolism, Air / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009493:Neurosurgery / Q000009:adverse effects* / Q000295:instrumentation; D011677:Punctures / Q000009:adverse effects; D012535:Scalp; D014680:Veins