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ID 21003
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内頚静脈球部酸素飽和度連続測定による頚動脈血栓内膜摘除術中の脳血流評価
creator
subject
Jugular bulb venous oxygen saturation
Cerebral ischaemia
Carotid clamp
Carotid endarterectomy
NDC
Medical sciences
abstract
In this study we examined whether continuous monitoring of jugular bulb venous oxygen saturation (SjO2) is applicable for the evaluation of cerebral hypoperfusion during carotid endarterectomy (CEA). The subjects were 25 patients who underwent elective CEA under general anaesthesia. After the carotid stump pressure (SP) was measured, SjO2 and the somatosensory evoked potentials (SEP) were monitored during the carotid test clamping for 10 min. There was no alteration in cardiovascular and respiratory status during the test clamping. No correlation was observed between SEP amplitude and SP (r=0.16, p=0.25). However, at clamping, SjO2 decreased from 70 to 64% (p<0.01) with a reduction in SEP amplitude from 2.0 to l.6μV (p<0.01). After declamping, SjO2 increased from 65 to 70% (p<0.01) with a recovery in SEP from 1.6 to 1.9,μV (p<0.01). The changes in SEP amplitude and SjO2 correlated (r=0.66, p<0.001). These results suggest that continuous monitoring of SjO2 is superior to SP measurement in the prediction of cerebral hypoperfusion caused by carotid clamping and applicable to CEA.
description
Hiroshima J. Med. Sci. Vol. 47, No.4, 133-137, December, 1998 HIJM47-20
language
eng
nii type
Thesis or Dissertation
HU type
Doctoral Theses
DCMI type
text
format
application/pdf
rights
Copyright(c) by Author
grantid
乙第3230号
degreeGrantor
広島大学(Hiroshima University)
degreename Ja
博士(医学)
degreename En
Medicine
degreelevel
doctoral
date of granted
1999-05-31
department
Graduate School of Biomedical Science