Postoperative changes in visual evoked potentials and cognitive function tests following sevoflurane anaesthesia G. Iohom, I. Collins, D. Murphy, I.

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Presentation transcript:

Postoperative changes in visual evoked potentials and cognitive function tests following sevoflurane anaesthesia G. Iohom, I. Collins, D. Murphy, I. Awad, G. O’Connor, N. McCarthy, G. Shorten British Journal of Anaesthesia Volume 87, Issue 6, Pages 855-859 (December 2001) DOI: 10.1093/bja/87.6.855 Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

Fig 1 Characteristic VEP recordings from stimulation of the left eye of a patient obtained before (top) and at 30, 60, and 90 min after anaesthesia (bottom). A1-3 represents the recordings from the active electrodes. The cursor indicates the time of maximal evoked response (latency). British Journal of Anaesthesia 2001 87, 855-859DOI: (10.1093/bja/87.6.855) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

Fig 2 Sedation and anxiety measurements. T0 represents the time before anaesthesia (baseline). T1, T2, and T3 represent 30, 60, and 90 min after emergence from anaesthesia, respectively. *P<0.001 compared with pre-anaesthetic values, #P=0.01 compared with pre-anaesthetic scores. British Journal of Anaesthesia 2001 87, 855-859DOI: (10.1093/bja/87.6.855) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

Fig 3 Psychomotor test results. T0 represents the time before anaesthesia (baseline). T1, T2, and T3 represent 30, 60, and 90 min after emergence from anaesthesia, respectively. *P≤0.001 and #P<0.05 refer to comparison with pre-anaesthetic scores British Journal of Anaesthesia 2001 87, 855-859DOI: (10.1093/bja/87.6.855) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

Fig 4 VEP measurements. T0 indicates the time before anaesthesia (baseline). T1, T2, and T3 represent 30, 60, and 90 min after emergence from anaesthesia, respectively. *P<0.01 and #P<0.05 compared with pre-anaesthetic values. British Journal of Anaesthesia 2001 87, 855-859DOI: (10.1093/bja/87.6.855) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions