Bispectral Index Monitoring in Healthy, Cirrhotic, and End-Stage Liver Disease Patients Undergoing Hepatic Operation

C. H. Wang, C. L. Chen, K. W. Cheng, C. J. Huang, K. H. Chen, C. C. Wang, A. M. Concejero, Y. F. Cheng, T. L. Huang, K. W. Chiu, S. H. Wang, C. C. Lin, Y. W. Liu, B. Jawan*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

20 Scopus citations

Abstract

The purpose of this study was to assess factors influencing the end-tidal concentrations of isoflurane within a bispectral index (BIS) range of 45-55 among healthy live liver donors (n = 11), chronic hepatitis B patients undergoing hepatectomy hepatocellular carcinoma (n = 10), and end-stage liver disease patients undergoing liver transplantation (n = 7). Patients data collected prospectively were compared among the groups using one-way analysis of variance as well as univariate and multivariate techniques. The results showed that end-stage liver disease patients required the least end-tidal isoflurane concentration. Patients with hepatocellular carcinoma with cirrhosis required intermediate end-tidal isoflurane concentrations; healthy live liver donors required the highest end-tidal isoflurane concentrations to provide sufficient anesthetic depth, as monitored by a target BIS (range, 45-55). Upon multivariate analysis, liver function was the only significant factor influencing the likelihood of lowering the end-tidal isoflurane concentration by 4 hours after anesthesia induction (P = .026). In conclusion, we recommend a preset target BIS within the range of 45-55 to monitor the depth of anesthesia during partial hepatectomy and liver transplantation because end-tidal isoflurane concentration requirements are different for patients with various liver status. This strategy may protect the patients from intraoperative recall or anesthesia over-depth as a consequence of insufficient or overdose of anesthesia, respectively.

Original languageEnglish
Pages (from-to)2489-2491
Number of pages3
JournalTransplantation Proceedings
Volume40
Issue number8
DOIs
StatePublished - 10 2008
Externally publishedYes

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