Bispectral index monitoring in fast track pediatric cardiac surgery

Miyuki Maruyama, Hirotsugu Okamoto, Junko Suwa, Toshihide Asou, Sumio Hoka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Background: We evaluated the changes in the bispectral index (BIS) as a potential indicator of level of consciousness in infants and children undergoing fast track cardiac surgery. Methods: Twenty-one children undergoing fast track cardiac surgery were recruited into this study. Anesthesia was maintained with inhaled sevoflurane and intravenous fentanyl 10 μg · kg-1. Cardiopulmonary bypass (CPB) with mild hypothermia and an immediate tracheal extubation protocol were used. BIS was recorded throughout the operation. Results: In average, BIS was kept almost under 70 with 0.5-3.0% of sevoflurane. During rewarming from mild hypothermia, BIS increased tempo. rarily over 70 in about a half of children. We, therefore, treated them by increasing sevoflurane concentration. Nineteen children were extubated in the operating room, and two patients were extubated in ICU within three hours after surgery. Conclusions: BIS was kept within the level of adequate sedation during surgery. However, since the increase in BIS during the rewarming phase could reflect light anesthesia, caution should be taken around this phase.

Original languageEnglish
Pages (from-to)629-633
Number of pages5
JournalJapanese Journal of Anesthesiology
Volume53
Issue number6
Publication statusPublished - Jun 1 2004

All Science Journal Classification (ASJC) codes

  • Anesthesiology and Pain Medicine

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