Entonox as an analgesic agent during panretinal photocoagulation.

  title={Entonox as an analgesic agent during panretinal photocoagulation.},
  author={Helen L Cook and Richard S. B. Newsom and Emile Mensah and Manzar Saeed and David James and Timothy J Ffytche},
  journal={The British journal of ophthalmology},
  volume={86 10},
BACKGROUND/AIMS Panretinal photocoagulation (PRP) reduces the risk of visual loss in proliferative diabetic retinopathy but some patients cannot tolerate PRP because of pain. 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. The treatment was completed with the alternate inhaled gas. Patients graded pain experienced during both stages of the… CONTINUE READING


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