THE EFFECT OF NITROUS OXIDE ON LARYNGEAL MASK CUFF PRESSURE

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SAFARI F.; SALIMI A.; AGHIGHI K.; FATTAHPOOR A.

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Journal: JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE Year:2004 | Volume:25 | Issue:46 Page(s): 21-28

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Title

THE EFFECT OF NITROUS OXIDE ON LARYNGEAL MASK CUFF PRESSURE

Author(s)

SAFARI F. | SALIMI A. | AGHIGHI K. | FATTAHPOOR A. | Issue Writer Certificate

Keywords

CUFF PRESSUREQ4

LARYNGEAL MASK AIRWAYQ3

NITROUS OXIDEQ4

Abstract

The Larynegeal Mask Airway (LMA) is used to maintain a reliable airway for elective surgery.During general anesthesia with the LARYNGEAL MASK AIRWAY a significant increase in CUFF PRESSURE due to diffusion of NITROUS OXIDE through the cuff occurs.This descriptive clinical study was conducted in a university teaching hospital with 123 patients (ASA physical status, I & II, 10-60 years, weight 30-60 kg).After induction of anesthesia with the same technique, an appropriate size LMA was inserted.The LMA leak was detected by closing the pop-off valve and listening the patients neck by stetoscope. Then LMA CUFF PRESSURE was determined by connecting the check valve of the LMA pilot balloon to an sphygmomanometer.The mean LMA CUFF PRESSURE was 15.03 mm Hg (0-20 minute group) 9.2 mm Hg (20-40 minutes group). 4.5 mm Hg (40-0 minutes group), 0.95 mm Hg (60-80 minutes group), and -1.11 (80-100 minutes group).This study demonstrated that there was a gradual increase in the CUFF PRESSURE well over an 80 minutes period during NITROUS OXIDE and oxygen anesthesia.

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APA: Copy

SAFARI, F., SALIMI, A., AGHIGHI, K., & FATTAHPOOR, A.. (2004). THE EFFECT OF NITROUS OXIDE ON LARYNGEAL MASK CUFF PRESSURE. JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE, 25(46), 21-28. SID. https://sid.ir/paper/63487/en

Vancouver: Copy

SAFARI F., SALIMI A., AGHIGHI K., FATTAHPOOR A.. THE EFFECT OF NITROUS OXIDE ON LARYNGEAL MASK CUFF PRESSURE. JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE[Internet]. 2004;25(46):21-28. Available from: https://sid.ir/paper/63487/en

IEEE: Copy

F. SAFARI, A. SALIMI, K. AGHIGHI, and A. FATTAHPOOR, “THE EFFECT OF NITROUS OXIDE ON LARYNGEAL MASK CUFF PRESSURE,” JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE, vol. 25, no. 46, pp. 21–28, 2004, [Online]. Available: https://sid.ir/paper/63487/en

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