Ligation of the internal jugular vein increased regional cerebral oxygen saturation but decreased the bispectral index in a 72-year-old man: a case reportReport as inadecuate




Ligation of the internal jugular vein increased regional cerebral oxygen saturation but decreased the bispectral index in a 72-year-old man: a case report - Download this document for free, or read online. Document in PDF available to download.

JA Clinical Reports

, 2:1

First Online: 15 January 2016Received: 22 October 2015Accepted: 30 December 2015

Abstract

Regional cerebral oxygen saturation rSO2 and the bispectral index BIS are used to detect cerebral perfusion abnormalities. However, whether rSO2 and BIS values change during ligation of the internal jugular vein IJV is unknown. We report a case in which BIS values were decreased, despite increased rSO2 during ligation of the IJV. A 72-year-old man was diagnosed with metastasis of renal cancer to the thyroid associated with tumor embolism in the right IJV. Thyroidectomy with total laryngectomy was performed. After right IJV ligation, right rSO2 was increased from 73 to 78 %, while the right BIS value was decreased from 40 to 27. Contralateral rSO2 and BIS values were unchanged. Right rSO2 and BIS values returned to pre-ligation values in 10 min. Ligation of the IJV might increase cerebral blood flow and ipsilateral rSO2. Physicians should use BIS values with caution during IJV ligation because a sudden decrease in the BIS value is not always associated with cerebral hypoperfusion.

KeywordsRegional saturation of oxygen Bispectral index Internal jugular vein AbbreviationsBISbispectral index

IJVinternal jugular vein

rSO2regional saturation of oxygen

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Author: Maiko Hasegawa-Moriyama - Kohei Godai - Tomotsugu Yamada - Akira Matsunaga - Yuichi Kanmura

Source: https://link.springer.com/







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