The administration of supplementary oxygen to prevent hypoxia during upper alimentary endoscopy.

@article{Block1993TheAO,
  title={The administration of supplementary oxygen to prevent hypoxia during upper alimentary endoscopy.},
  author={Robert Block and Janusz Jankowski and Doreen Johnston and Jennifer Colvin and Kenneth G. Wormsley},
  journal={Endoscopy},
  year={1993},
  volume={25 4},
  pages={269-73}
}
A prospective, randomized, controlled trial was conducted in 200 consecutive patients undergoing endoscopy of the upper alimentary tract. One hundred patients received supplementary oxygen at 4 liters/minute through nasal cannulae, while 100 patients received no additional oxygen. Within each of these two groups, 50 patients were sedated with midazolam and 50 patients with diazepam suspension ("Diazemuls"). The patients' weights were recorded and correlated with their height to assess whether… CONTINUE READING