Background: Predicting recovery of consciousness is one of the most essential functions of anesthesia depth monitors in anesthesia practice. Perfusion index and bispectral index are 2 indicators of the anesthesia depth monitoring with different working principles. The progression of the anesthesia emergence stages reflected by those monitors has not been well understood, especially in pediatric patients. The goals of this study were to compare the prediction probabilities of perfusion index and bispectral index in predicting awakening and in differentiating the different levels of arousal during emergence after sevoflurane anesthesia in children undergoing open inguinal hernia repairs.
Methods: Forty-five patients, aged 1 to 5 years, ASA Status I or II and scheduled for elective open inguinal hernia repairs under general anesthesia were enrolled. The perfusion index and bispectral index were monitored simultaneously during anesthesia recovery. The University of Michigan Sedation Scale was applied to evaluate the clinical arousal levels during emergence. The prediction probability was used to assess the performance of perfusion index and bispectral index in predicting awakening and distinguishing different levels of arousal corresponding to the University of Michigan Sedation Scale during recovery.
Results: The prediction probability of perfusion index (Pk = .81, 95% CI 0.73-0.89) in differentiating full consciousness from unconsciousness during recovery was comparable to that of bispectral index (Pk = .86, 95% CI 0.79-0.92) (P = .47). The prediction probability for perfusion index (Pk = .61, 95% CI 0.55-0.73) and bispectral index (Pk = .64, 95% CI 0.53-0.69) had similar performance in distinguishing different University of Michigan Sedation Scale levels.
Conclusion: Both the perfusion index and bispectral index performed comparably well in predicting awakening and different arousal levels when emerging from sevoflurane anesthesia in children.
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http://dx.doi.org/10.1111/pan.13324 | DOI Listing |
Can J Anaesth
December 2024
Department of Anesthesiology and Critical Care Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.
Purpose: Safe perioperative management of patients undergoing transcatheter aortic valve implantation (TAVI) is crucial. Remimazolam is a newly developed short-acting benzodiazepine. We hypothesized that combining remimazolam and flumazenil would reduce emergence time compared with sevoflurane in patients undergoing general anesthesia for TAVI.
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October 2024
Anesthesiology, West Virginia University School of Medicine, Morgantown, USA.
Multimed Man Cardiothorac Surg
September 2024
Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, OH, USA.
Our objective is to describe our approach for a case of subacute on top of chronic thromboembolic disease and highlight operative learning points. Prior to incision, appropriate monitoring equipment, including an arterial line, Swan-Ganz catheter, brain saturation monitor and bispectral index monitor, is placed for proper management of haemodynamics. Sternotomy was performed, and the ascending aorta was cannulated, followed by bicaval cannulation for venous drainage.
View Article and Find Full Text PDFDiving Hyperb Med
September 2024
Hyperbaric and Undersea Medical Service - Hospital CIMA, San Jose, Costa Rica.
Laryngoscope Investig Otolaryngol
June 2024
Department of Otorhinolaryngology, Head and Neck Surgery Carl-Thiem-Klinikum gGmbH Cottbus Germany.
Objective: The course of sedation during drug-induced sleep endoscopy (DISE) depends on the application pattern of the sedative drug. The depth of sedation should imitate light and deep sleep as well. Moreover, there should be as many breathing cycles as possible available for observation during light and deep sedation.
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