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Objective To investigate the comparative effect of proseal laryngeal mask airway and flexible laryngeal airway mask during otitis media surgery. Methods 200 patients of ASA I or II classification, 18-65 years old, BMI＜30 kg/m2 undergoing otitis media surgery are randomly divided into two groups (Group P with proseal laryngeal mask airway and Group F with flexible laryngeal airway mask, respectively). After induction, selecting a appropriate size of LMA to patient,s weight, using the standard index finger-guided technique inserting the LMA, and then the patients were ventilated mechanically. The success rate of inserting laryngeal mask, the intubation time, surgery time and wake time were also recorded. Tidal volume and leakage pressure in patients with supine and lateral positioning were assessed respectively. The scale of fiberoptic bronchoscopy was also recorded to show airway exposure. Related complications such as sore throat, hoarseness, cough, laryngospasm, bloating, nausea and vomiting, soft tissue injury, blood residue after pulling out the LMA were analyzed.Postoperative voice and laryngopharyngeal symptom are also recorded.
Anesthesia Intubation Complication
flexible laryngeal airway mask, proseal laryngeal mask airway
Not yet recruiting
Eye & ENT Hospital of Fudan University
Published on BioPortfolio: 2020-02-17T18:20:53-0500
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