Sevoflurane use for sedation during gastrointestinal endoscopy

Sevoflurane use for sedation during gastroscopy in adults.
Endoscopic removal of the gastric polyp is scheduled for today. The procedure will be carried out under general anesthesia. We will use a combined based on propofol and sevoflurane. This technique, in our opinion, is the safest, most manageable and avoids respiratory complications. While performing sedation, we use an anesthetic mask with a separate port for the endoscope (gastroscope). For induction, we use propofol (0.5–1 mg/kg); in this case – 80 mg at a patient weight of 120 kg. The wash-in period is carried out by so called ‘rapid induction’, without preliminary filling of the respiratory circuit, with a maximum concentration of sevoflurane of 8 vol.%. The fresh gas flow is set from 5 to 8 l/min. The duration of the wash-in period is approximately 3–4 min. At the stage of maintaining anesthesia, the concentration of sevoflurane on the vaporiser is reduced to 3–4 vol.% (~1 MAC), the fresh gas flow is now set from 1–2 l/min. If depth of sedation is sufficient and spontaneous breathing is adequate, we open the port for the endoscope and begin esophagogastroscopy. Pay attention please, the patient's reaction to the insertion of a gastroscope is absent.Antral gastric polyp will be removed under sevoflurane sedation.

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