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Case Reports
. 2011 Aug-Sep;167(8-9):615-8.
doi: 10.1016/j.neurol.2010.10.004. Epub 2010 Dec 28.

[Iatrogenic venous cerebral air embolism without pulmonary manifestation: A retrograde mechanism?]

[Article in French]
N Raposo  1 , F Faiz, J-F Albucher, E Dugert, F Bonneville, P Meliani, F Chollet
Affiliations
Case Reports

[Iatrogenic venous cerebral air embolism without pulmonary manifestation: A retrograde mechanism?]

[Article in French]
N Raposo et al. Rev Neurol (Paris). 2011 Aug-Sep.

Abstract

Introduction: Air embolism is a rare complication of various invasive medical procedures. Venous cerebral air embolism is usually the consequence of paradoxical embolism. We report a case of isolated cerebral air embolism resulting from a non-paradoxical mechanism.

Case report: A few minutes after his central venous catheter had been accidentally disconnected, a 63-year-old man developed left-sided rhythmic jerking movements followed by left hemiplegia. There were no associated cardiologic or pulmonary signs. Brain CT showed air bubbles in the right frontal cortical sulci. The brain MRI DWI and FLAIR sequences showed a high intensity right frontal cortical lesion without reduction in ADC. Transesophageal echocardiogram did not find a patent foramen ovale.

Conclusions: In this case of venous cerebral air embolism, the lack of any cardiopulmonary manifestation, the lack of a patent foramen ovale and the neuroradiological findings are not in favor of the hypothesis of paradoxical embolism. The hypothesis of retrograde venous cerebral air embolism is discussed.

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