• Reza Safaeian, Valiollah Hassani, Gholamreza Movasaghi, Mahzad Alimian, and Hamid Reza Faiz.
• Department of Anesthesiology, Rasoul Akram Medical Center, Iran University of Medical Scienses, Tehran, Iran.
• Anesth Pain Med. 2015 Aug 1;5(4):e25111.

BackgroundSupraglottic devices could be used to reduce postoperative respiratory complications, but there are few studies focused on their use in more prolonged surgeries.ObjectivesIn this study, we compared postoperative respiratory complications in patients with prolonged ear, nose and throat (ENT) surgeries, whose airways were controlled with tracheal tube or laryngeal mask airway (LMA).Materials And MethodsIn a randomized control trial (RCT), 171 candidates of prolonged ENT surgeries were randomly assigned into two groups. In group one (n = 85) LMA and in group two (n = 86) endotracheal tube were used for airway control. The incidences of four postoperative respiratory complications including sore throat, hoarseness, cough and shortness of breath in immediate postoperative period were measured and compared among patients of each group.ResultsSore throat was recorded in 32.9% of patients with LMA and 44.2% of intubated patients, but it was not statistically significant (Fisher's Exact test = 0.158). Hoarseness was recorded in 3.5% of patients with LMA and 24.4% of intubated patients (Fisher's Exact test = 0.000). In 1.2% of patients with LMA cough was recorded; it was also seen in 7% of the intubated patients (Fisher's Exact test = 0.005). Shortness of breath was mentioned by two intubated patients (2.3%) and in patient with LMA we did not record this complication.ConclusionsLMA in prolonged ENT surgeries was associated with reduced respiratory complications.

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