Pneumocephalus

Case illustrations and review

Clemens M. Schirmer, Carl B. Heilman, Anish Bhardwaj

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

Background: Pneumocephalus is commonly encountered after neurosurgical procedures but can also be caused by craniofacial trauma and tumors of the skull base and rarely, can occur spontaneously. Contributing factors for the development of pneumocephalus include head position, duration of surgery, nitrous oxide (N2O) anesthesia, hydrocephalus, intraoperative osmotherapy, hyperventilation, spinal anesthesia, barotauma, continuous CSF drainage via lumbar drain, epidural anesthesia, infections, and neoplasms. Clinical presentation includes headaches, nausea and vomiting, seizures, dizziness, and depressed neurological status. In this article, we review the incidence, mechanisms, precipitating factors, diagnosis, and management of pneumocephalus. Search of Medline, databases, and manual review of article bibliographies. Considering four case illustrations that typify pneumocephalus in clinical practice, we discuss the common etiologies, and confirm the diagnosis with neuroimaging and management strategies. Avoidance of contributing factors, high index of suspicion, and confirmation with neuroimaging are important in attenuating mortality and morbidity. A significant amount of pneumocephalus can simulate a space-occupying lesion. Supplemental oxygen increases the rate of absorption of pneumocephalus.

Original languageEnglish (US)
Pages (from-to)152-158
Number of pages7
JournalNeurocritical Care
Volume13
Issue number1
DOIs
StatePublished - Aug 2010
Externally publishedYes

Fingerprint

Pneumocephalus
Neuroimaging
Epidural Neoplasms
Neurosurgical Procedures
Precipitating Factors
Hyperventilation
Epidural Anesthesia
Spinal Anesthesia
Skull Base
Nitrous Oxide
Bibliography
Dizziness
Hydrocephalus
Nausea
Vomiting
Headache
Drainage
Seizures
Anesthesia
Head

Keywords

  • Air bubble sign
  • Mount Fuji sign
  • Nitrous oxide
  • Pneumocephalus
  • Postsurgical

ASJC Scopus subject areas

  • Clinical Neurology
  • Critical Care and Intensive Care Medicine
  • Medicine(all)

Cite this

Pneumocephalus : Case illustrations and review. / Schirmer, Clemens M.; Heilman, Carl B.; Bhardwaj, Anish.

In: Neurocritical Care, Vol. 13, No. 1, 08.2010, p. 152-158.

Research output: Contribution to journalArticle

Schirmer, Clemens M. ; Heilman, Carl B. ; Bhardwaj, Anish. / Pneumocephalus : Case illustrations and review. In: Neurocritical Care. 2010 ; Vol. 13, No. 1. pp. 152-158.
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