Titration of sevoflurane anesthesia to optimize the time to regain airway reflexes in patients undergoing elective surgery : A randomized clinical trial comparing desflurane and sevoflurane anesthesia
Published 2019. This article is a U.S. Government work and is in the public domain in the USA..
BACKGROUND: Desflurane has adverse environmental effects, but has clinical advantages to speed emergence and return of protective airway reflexes compared with sevoflurane. We hypothesized that weaning of the inspired sevoflurane during the final 15 minutes of surgery would eliminate differences in airway reflex recovery between these agents.
METHODS: After obtaining IRB approval and informed consent, 40 patients undergoing elective surgery (≥1-hour) randomly received desflurane or sevoflurane. Patients swallowed 20 mL of water without drooling or coughing, and then received sedation and PONV pre-medication. Anesthesia was induced using propofol and fentanyl and maintained with desflurane or sevoflurane through a laryngeal mask airway maintaining a bispectral index of 45-50 and 50-60 during the final 15 minutes before surgery end. Cardiorespiratory variables and age-adjusted minimal alveolar concentration were recorded. The duration between anesthetic discontinuation and first appropriate response to command was measured; the laryngeal mask airway was removed. Two minutes after responding to command, patients were positioned semi-upright and attempted to swallow water. If successful swallowing was not achieved, the test was repeated every 4 minutes after each failure until successful swallowing was achieved.
RESULTS: Average anesthetic concentration and bispectral index was similar in patients receiving desflurane vs sevoflurane. Response times after discontinuation of anesthetics were similar. There were no differences in the recovery of swallowing ability between desflurane and sevoflurane groups.
CONCLUSION: Weaning of sevoflurane during the final 15 minutes of surgery eliminates clinical advantages of the more rapid return of airway reflexes with desflurane.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:64 |
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| Enthalten in: |
Acta anaesthesiologica Scandinavica - 64(2020), 6 vom: 18. Juli, Seite 729-734 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Arain, Shahbaz R [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 10.08.2021 Date Revised 10.08.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/aas.13565 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM306512734 |
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| 100 | 1 | |a Arain, Shahbaz R |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Titration of sevoflurane anesthesia to optimize the time to regain airway reflexes in patients undergoing elective surgery |b A randomized clinical trial comparing desflurane and sevoflurane anesthesia |
| 264 | 1 | |c 2020 | |
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| 500 | |a Date Completed 10.08.2021 | ||
| 500 | |a Date Revised 10.08.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Published 2019. This article is a U.S. Government work and is in the public domain in the USA. | ||
| 520 | |a BACKGROUND: Desflurane has adverse environmental effects, but has clinical advantages to speed emergence and return of protective airway reflexes compared with sevoflurane. We hypothesized that weaning of the inspired sevoflurane during the final 15 minutes of surgery would eliminate differences in airway reflex recovery between these agents | ||
| 520 | |a METHODS: After obtaining IRB approval and informed consent, 40 patients undergoing elective surgery (≥1-hour) randomly received desflurane or sevoflurane. Patients swallowed 20 mL of water without drooling or coughing, and then received sedation and PONV pre-medication. Anesthesia was induced using propofol and fentanyl and maintained with desflurane or sevoflurane through a laryngeal mask airway maintaining a bispectral index of 45-50 and 50-60 during the final 15 minutes before surgery end. Cardiorespiratory variables and age-adjusted minimal alveolar concentration were recorded. The duration between anesthetic discontinuation and first appropriate response to command was measured; the laryngeal mask airway was removed. Two minutes after responding to command, patients were positioned semi-upright and attempted to swallow water. If successful swallowing was not achieved, the test was repeated every 4 minutes after each failure until successful swallowing was achieved | ||
| 520 | |a RESULTS: Average anesthetic concentration and bispectral index was similar in patients receiving desflurane vs sevoflurane. Response times after discontinuation of anesthetics were similar. There were no differences in the recovery of swallowing ability between desflurane and sevoflurane groups | ||
| 520 | |a CONCLUSION: Weaning of sevoflurane during the final 15 minutes of surgery eliminates clinical advantages of the more rapid return of airway reflexes with desflurane | ||
| 650 | 4 | |a Comparative Study | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a airway reflexes | |
| 650 | 4 | |a aspiration | |
| 650 | 4 | |a bispectral index | |
| 650 | 4 | |a desflurane | |
| 650 | 4 | |a emergence | |
| 650 | 4 | |a sevoflurane | |
| 650 | 4 | |a swallowing | |
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| 700 | 1 | |a Dugan, Shannon |e verfasserin |4 aut | |
| 700 | 1 | |a Pagel, Paul S |e verfasserin |4 aut | |
| 700 | 1 | |a Ebert, Thomas J |e verfasserin |4 aut | |
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