COMPARING TWO METHODS OF LMA INSERTION; CLASSIC VERSUS SIMPLIFIED (AIRWAY)

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HAGHIGHI MOHAMMAD; MOHAMMADZADEH ALI; NADERI B.; SEDIGHINEZHAD ABAS; MOVAHEDI H.

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Journal: JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE Year:2009 | Volume:31 | Issue:66 Page(s): 14-22

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Title

COMPARING TWO METHODS OF LMA INSERTION; CLASSIC VERSUS SIMPLIFIED (AIRWAY)

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Keywords

LMAQ3

FACILATED METHOD INSERTIONQ3

AIRWAY MANAGEMENTQ3

Abstract

Introduction: The aim of this study is to compare two methods of LMA insertion, "classic" versus "simplified" (AIRWAY), due to factors such as: time to insertion, number of attempts, blood stained LMA, air leak around LMA, and gastric inflation. The word "AIRWAY" refers to the similarity of this method to or pharyngeal airway insertion.Material and Methods: One hundred ASA Class I and II patients elected for lower limb orthopedic surgery but without any head and face injury or head and neck abnormality, having their tooth intact, were selected and divided to two groups of fifty; classic and simplified. In the classic group, the index finger used as a guide, pushes the back of LMA towards the hard palate, inserting it into the pharynx till a resistance is felt and the LMA is then fixed it its place. In the AIRWAY group, the deflated LMA is entered into the mouth in a 180 degree inside-out position compared to the classic method without using fingers and is proceeded until it enters the pharynx (sudden loss of resistance) and then returned 180 degree back to its normal position to be fixed in the right place. The attempt numbers, time to insertion, complications such as laryngospasm, blood stained LMA and gastric inflation is being investigated. The data collected was analyzed be SPSS ver 10 and compared in two groups with unpaired T-Test or Mann Whitney U test by case. Again Chi-square test was used to analyze numerical data and p<0.05 was considered as meaningful.Results: Demographic data such as age, sex and ASA Class, demonstrate no meaningful statistic difference between the two groups. Successful first attempt in AIRWAY group (86%) had no meaningful statistic difference with the classic group (80%) (p>0.05). The overall success rate in LMA insertion (within two attempts) was 100% and 82% in AIRWAY and classic groups respectively (p>0.05) and 11 patients with failed insertion attempts, were excluded from the study. The time for successful insertion was meaningfully less in the AIRWAY group compared to the classic one (p<0.0001). In the classic group 32% of LMAs became blood stained compared to 16% in the AIRWAY group, which the difference was not meaningful. No other complications such as laryngospasm or oxygen desaturation occurred.Conclusion: Comparison of the whole advantages and disadvantages of both groups, mention that, by putting the LMA insertion time together with the low complication rates, the AIRWAY method can be assumed as a preferred simplified method with few complications for inserting LMA.

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APA: Copy

HAGHIGHI, MOHAMMAD, MOHAMMADZADEH, ALI, NADERI, B., SEDIGHINEZHAD, ABAS, & MOVAHEDI, H.. (2009). COMPARING TWO METHODS OF LMA INSERTION; CLASSIC VERSUS SIMPLIFIED (AIRWAY). JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE, 31(66), 14-22. SID. https://sid.ir/paper/63251/en

Vancouver: Copy

HAGHIGHI MOHAMMAD, MOHAMMADZADEH ALI, NADERI B., SEDIGHINEZHAD ABAS, MOVAHEDI H.. COMPARING TWO METHODS OF LMA INSERTION; CLASSIC VERSUS SIMPLIFIED (AIRWAY). JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE[Internet]. 2009;31(66):14-22. Available from: https://sid.ir/paper/63251/en

IEEE: Copy

MOHAMMAD HAGHIGHI, ALI MOHAMMADZADEH, B. NADERI, ABAS SEDIGHINEZHAD, and H. MOVAHEDI, “COMPARING TWO METHODS OF LMA INSERTION; CLASSIC VERSUS SIMPLIFIED (AIRWAY),” JOURNAL OF IRANIAN SOCIETY ANAESTHESIOLOGY AND INTENSIVE CARE, vol. 31, no. 66, pp. 14–22, 2009, [Online]. Available: https://sid.ir/paper/63251/en

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