A preinstalled nasopharyngeal airway in the right nasal passageway to facilitate nasogastric intubation in anesthetized
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RESEARCH ARTICLE
Open Access
A preinstalled nasopharyngeal airway in the right nasal passageway to facilitate nasogastric intubation in anesthetized and intubated patients: a prospective randomized controlled trial Ting‑Yang Huang1, Jr‑Rung Lin1,2 and Yung‑Tai Chung1*
Abstract Background: Nasogastric intubation (NGI) is usually challenging in patients under general anesthesia, with reported success rate at the first attempt to be less than 50%. The aim of this study was to investigate whether a preinstalled nasopharyngeal airway (NPA) in the right nasal passageway can facilitate NGI in anesthetized and intubated patients. Methods: A prospective randomized controlled trial including 108 patients scheduled for elective intra-abdominal surgeries requiring a nasogastric tube (NGT) was conducted. Fifty-three patients were randomized to receive NGI through a preinstalled NPA in the right nasal passageway (Group NPA) and 55 patients to receive NGI via the right nostril (Group O). The primary outcomes were success rates of NGI at first attempt, success rates of NGI in accumula‑ tive attempts, durations of successful NGI at the first attempt and success rates of NGI for the rescuing methods.The secondary outcomes were bleeding incidence and hemodynamic changes induced by NGI. Results: Success rate of NGI at the first attempt was 83.0% in Group NPA compared with 47.3% in Group O [P
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