We read with great interest the paper on Entonox as an analgesic agent by Cook et al. 1 We congratulate the authors for their work. However, we would like to clarify certain aspects of the study. We ...

Introduction Entonox is a safe and effective method of analgesia used for patients undergoing colonoscopy. It has a number of advantages over sedo-analgesia and is available for use in a large number ...

Inhaled Entonox was evaluated as an analgesic during PRP. Methods: A randomised, crossover, double masked pilot study was performed. Patients inhaled either air or Entonox and half the PRP was applied ...

This study aimed to compare inhaled nitrous oxide (entonox) with intravenous sedation during colonoscopy in terms of completions rates, patient comfort and changes in physiological status. Methods 288 ...