This study aims to compare the performance of SafeLM™ video laryngeal mask airway and i-gel® supraglottic airway device in patients undergoing shoulder surgery in the beach chair position under general anesthesia. The primary objective is to evaluate oropharyngeal leak pressure (OLP) within the first 10 minutes after transition to the beach chair position. Secondary objectives include assessment of ventilation safety, need for airway interventions, and postoperative airway-related complications. This prospective randomized study will provide data on the effectiveness and safety of a video-guided supraglottic airway device compared to a conventional device in a clinically challenging position.
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Oropharyngeal leak pressure (OLP) at two predefined time points: immediately after airway device placement in the supine position and 5 minutes after transition to the beach chair position
Timeframe: Immediately after airway device placement in the supine position and 5 minutes after transition to the beach chair position during surgery