Effect of high fresh gas flow and pattern of breathing on rapid preoxygenation

Autor: Nayanthara Joachim, Gincy Mathew, M Manjuladevi, ApoorwaN Kothari
Rok vydání: 2022
Předmět:
Zdroj: Indian Journal of Anaesthesia. 66:213
ISSN: 0019-5049
Popis: Preoxygenation is supplementation of 100% oxygen prior to induction of general anaesthesia to increase the body's oxygen stores. Efficacy of preoxygenation can be increased by optimising fresh gas flow (FGF) rate and pattern of breathing.Based on pattern of breathing-Tidal Volume Breathing (TVB) or Deep Breathing (DB) and FGF-10 L/min or 15 L/min-100 subjects of the American Society of Anesthesiologists physical status I/II posted for elective surgery were recruited and randomised into four groups: T10 - TVB with 10 L/min; D10 - DB with 10 L/min; T15 - TVB with 15 L/min; and D15 - DB with 15 L/min. A tight-fitting anaesthesia mask along with continuous positive airway pressure of 5 cm of HTotal time taken was significantly low (Rapid preoxygenation can be achieved by DB at high FGF of a minimum of 10 L/min.
Databáze: OpenAIRE
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