ArticleBMJ open2026
Clinical effects of the use of a novel oropharyngeal airway in painless gastroscopy in patients with obstructive sleep apnoea-hypopnoea syndrome: a randomised controlled trial protocol.
Article in BMJ open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06594380 (Observation of Clinical Effect of New Oropharyngeal Airway in Patients With Obstructive Sleep Apnea Hypoapnea Syndrome During Painless Gastroenteroscopy), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Observation of Clinical Effect of New Oropharyngeal Airway in Patients With Obstructive Sleep Apnea Hypoapnea Syndrome During Painless Gastroenteroscopy
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionObstructive sleep apnoea-hypopnoea syndrome (OSAHS) is a sleep-related breathing disorder characterised by partial or complete obstruction of the upper respiratory tract. Owing to their relevant physiological anatomy, patients with OSAHS often experience severe respiratory complications, such as airway obstruction and hypoxaemia, during painless gastroscopy. In addition, the use of the shared airway approach increases the difficulty of airway management. At present, simple and effective tools for airway management for use during gastroscopy in clinical practice are lacking. Therefore, the aim of this study is to investigate whether a novel oropharyngeal airway designed for use in endoscopy can effectively relieve airway obstruction and prevent hypoxaemia. METHOD AND ANALYSIS: In this prospective, randomised, controlled clinical study, 130 patients with OSAHS diagnosed via polysomnography monitoring will be randomly divided into two groups. The experimental group will receive the novel oropharyngeal airway, whereas the control group will receive a conventional bite block. The primary outcome will be the incidence of hypoxia (75%≤SpO ETHICS AND DISSEMINATION: The Institutional Review Committee of the First Affiliated Hospital of Shandong First Medical University (Shandong Qianfoshan Hospital) approved the experimental protocol on 22 August 2024 (ethics number: YXLL-KY-2024(084)). The results of this study will be reported in peer-reviewed journals and relevant academic conferences or related research platforms. TRIAL REGISTRATION NUMBER: NCT06594380.
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