We performed a prospective randomised double-blind study to evaluate the efficacy of Entonox (nitrous oxide) as an analgesic for trans-rectal ultrasound (TRUS) and prostate biopsy. A total of 50 ...

North West Anglia NHS Foundation Trust (NWAFT) stopped using Entonox at the Peterborough City Hospital maternity ward in February over safety concerns for staff. Some mothers have told the BBC the ...

June 7, 2006 (Seattle) -- A mixture of inhaled oxygen and nitrous oxide ( Entonox) was superior to traditional intravenous sedation for colonoscopy patients, according to research presented at the ...