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RESEARCH
Year : 2019  |  Volume : 9  |  Issue : 1  |  Page : 13-17

An observation from an online survey: is fresh gas flow used for sevoflurane and desflurane different from isoflurane based anesthesia?


Department of Anaesthesiology & Critical Care, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India

Correspondence Address:
Habib Md Reazaul Karim
Department of Anaesthesiology & Critical Care, All India Institute of Medical Sciences, Raipur, Chhattisgarh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2045-9912.254637

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Minimal uses of fresh gas flow (FGF) during volatile inhalational agents based anesthesia are gaining popularity for many reasons. However, the practice pattern is not uniform. Even the same anesthesiologist uses different FGF for different agents. The present study was aimed to evaluate the variation in the practice pattern of FGF used in context to volatile agents used. With departmental approval, the present study was conducted by reviewing the data of a previously conducted cross-sectional survey. The survey was conducted from January 2018 to May 2018 using SurveyMonkey; . Anesthesiologists working in different organizations across India were approached through e-mail and WhatsApp and anonymous responses were collected. The responses which contained FGF data for isoflurane and for at least one of either sevoflurane and/or desflurane were included. A total of 236 eligible responses were analyzed. The FGFs used by different anesthesiologists were very much inconsistent; only 5.1% used FGF < 600 mL/min and 19.1% used 600-1000 mL/min consistently for all three agents. There was a significant variation of FGF used for sevoflurane and desflurane as compared to isoflurane. Use of FGF of < 1000 mL/min was significantly higher for the desflurane as compared to both isoflurane and sevoflurane. The uses of lower FGF greatly vary both at intrapersonal as well as interpersonal level. The possibility of using FGF < 1000 mL/min is significantly higher with desflurane as compared to isoflurane. Volatile anesthetic agent appears to be a factor for the decision making on the use of low flow anesthesia.


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