Gutiérrez GA, Álvarez MI, Martínez LE, Montañez H, Guzmán R, Olivares MH, Gallardo AL

Language: Spanish
References: 13
Page: 175-179
PDF size: 102.72 Kb.

ABSTRACT

Awareness incidence under general anaesthesia (GA) has been estimated in 0.2% and post-traumatic effects in 0.03%. Newer anaesthetic models have been introduced into common practice however conservative measurement to as sure unconscious under GA lack sensibility such as hemodynamic change. The common method to attenuate surgical stress is based on inhaled anesthetic increments and opioid administration although is not free from side effects. Method and materials: After obtaining ethical approval from The American British Cowdray Medical Center Committee, 30 patients were included between 20 – 70 years old, physical status ASA I – II (American Society of Anesthesiologist) undergoing laparoscopic surgery and randomized in two groups: 1) Remifentanil infusion (RD group) and, 2) Fentanyl infusion (FD group), both under Desflurane anesthesia. In the operating room heart rate, noninvasive arterial blood pressure, pulse oximetry, end tidal carbon dioxide, minimum alveolar concentration and Bispectral Index (BIS. Aspect Medical System BIS-XP), were recorded until the end of anesthesia. Results: We found significant statistical difference (p‹0.05) in heart rate, mean arterial pressure and minimum alveolar concentration in Remifentanil group. BIS average was maintained lower in the Remifentanil group. Conclusion: Intraoperative use of BIS well correlates with anaesthetic deep as well as decrease inhaled anaesthetic consumption without patient awareness or hemodynamic instability.

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