<prompt> Uses of Neuroleptanalgesia includesAs premedicationAs a supplement to thiopentoneTo provide sedation during operations under regional analgesiaAll of the above  <response>: D Atropines Neuroleptanalgesia is a state of apparent indifference to pain produced by combination of potent analgesic with a neuroleptic or major Tranquillizer here the patient remains conscious but assumes a trance like state in which he is immobile, apparently free from pain The addition of nitrous oxide leads to unconsciousness and general anaesthesia Neurolepttoanalgesia Neuroleptic combination consists of: Major Tranquilizer Usually Butyrophenone - Droperidol Potent opioid analgesic Fentanyl or Phenoperidine Uses: Neurosurgical operationsneuro-radiological procedures; Idiosyncrasy to barbiturates; Ophthalmic surgeryBurns dressing; As part of balanced anaesthesia; Adjunct to local anaesthetic technique; Invasive radiological proceduresradiotherapy; Surgery with high incidence of post operative nausea, vomiting. E.g.: Middle ear surgery; Out patient procedures associated with nausea, vomiting. 