JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL
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Should lidocaine spray be used to ease nasogastric tube insertion? A double-blind, randomised controlled trial.

OBJECTIVE: To investigate the efficacy and safety of lidocaine nasal spray before nasogastric tube insertion in an emergency department.

DESIGN: Double-blind, randomised controlled study.

SETTING: Emergency department of a major regional hospital in Hong Kong.

PATIENTS: A total of 206 adult patients, for whom nasogastric tube insertion was indicated.

MAIN OUTCOME MEASURES: Primary outcome was discomfort gauged on a visual analogue scale, and Likert scale addressing difficulty of nasogastric tube insertion.

RESULTS: Compared with placebo spray use, lidocaine spray use was associated with less patient discomfort, and less difficulty in nasogastric tube insertion, both difference being statistically significant.

CONCLUSION: Intranasal lidocaine spray before nasogastric tube insertion was safe and effective in reducing patient discomfort related to the procedure.

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