Efficacy and safety of endoscopy-specific dual-channel supraglottic airways for upper gastrointestinal endoscopic and transesophageal instrumentation procedures: a systematic review and meta-analysis - Takeaways - MDSpire

Assessment of the effectiveness and safety of dual-channel supraglottic airways tailored for upper gastrointestinal endoscopic and transesophageal procedures: a systematic review and meta-analysis

  • By

  • Yanqin Mi

  • Zhengfang Qi

  • Yan Wei

  • Yatao Liu

  • Zhaohui Gao

  • July 17, 2026

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  • 1

    Endoscopy-specific dual-channel supraglottic airways (dc-SGAs) facilitate ventilation and procedural access during upper gastrointestinal procedures.

  • 2

    A systematic review included 15 studies, with 13 randomized controlled trials involving 2,481 participants comparing dc-SGAs to other airway strategies.

  • 3

    dc-SGAs demonstrated comparable success rates for airway device and endoscope insertion, while reducing insertion time compared to comparator strategies.

  • 4

    Intraoperative hypoxemia was reduced with dc-SGAs, particularly when compared to non-invasive oxygen therapy.

  • 5

    Postoperative sore throat incidence varied, showing fewer events compared to endotracheal tubes but more than with non-invasive oxygen therapy.

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