Pneumocephalus as a cause of a decrease in the bispectral index

A sharp decrease in the values of the bispectral index (BIS), along with an increase in suppression rate, was observed in a patient after the removal of an epidermoid tumor in the cerebellopontine angle by right retrosigmoid access under general anesthesia. This was probably related to a frontal pne...

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Veröffentlicht in:	Revista española de anestesiología y reanimación 2014-01, Vol.61 (1), p.43-46
Hauptverfasser:	Herreras Gutiérrez, J L, Gilsanz Rodríguez, F
Format:	Artikel
Sprache:	spa
Schlagworte:	Air Carcinoma, Squamous Cell - surgery Consciousness Monitors Craniotomy - adverse effects Frontal Lobe Humans Intracranial Pressure Male Neuroma, Acoustic - surgery Pneumocephalus - diagnosis Pneumocephalus - etiology Pneumocephalus - physiopathology Postoperative Complications - diagnosis Postoperative Complications - etiology Postoperative Complications - physiopathology
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description	A sharp decrease in the values of the bispectral index (BIS), along with an increase in suppression rate, was observed in a patient after the removal of an epidermoid tumor in the cerebellopontine angle by right retrosigmoid access under general anesthesia. This was probably related to a frontal pneumocephalus. No accompanying neurological signs were observed. The patient was extubated in the Recovery Room with no further incidents, as the BIS increased again. The neurosurgeons chose conservative treatment, relying on the reabsorption and redistribution of the air.
doi_str_mv	10.1016/j.redar.2012.10.012
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subjects	Air Carcinoma, Squamous Cell - surgery Consciousness Monitors Craniotomy - adverse effects Frontal Lobe Humans Intracranial Pressure Male Neuroma, Acoustic - surgery Pneumocephalus - diagnosis Pneumocephalus - etiology Pneumocephalus - physiopathology Postoperative Complications - diagnosis Postoperative Complications - etiology Postoperative Complications - physiopathology
title	Pneumocephalus as a cause of a decrease in the bispectral index
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