|
Anaesthesia protocols |
|
| General anaesthesia |
Local anaesthesia |
|
|
|
| Premedication: benzodiazepine or none |
Premedication: benzodiazepine or none |
| Intravenous access + arterial line under local anaesthetic |
Intravenous access + arterial line under local anaesthetic |
| Intravenous induction + opiate analgesia |
Judicious conscious sedation (e.g. benzodiazepine/opiate) |
| Muscle relaxant |
Deep and superficial cervical plexus block + local infiltration (e.g. with bupivacaine) |
| Tracheal intubation, ventilation to normocapnia |
Intra-operative top-up of local anaesthetic if required (lignocaine) |
| Maintain systemic blood pressure to pre-operative levels with intravenous fluids/cardioactive drugs if required |
Maintain systemic blood pressures to pre-operative levels with intravenous fluids/cardioactive drugs if required |
| Reversal of anaesthetic and extubation |
O2 as necessary by nasal cannulae/mask, in particular during cross-clamping of carotid vessels |
| Oxygen overnight by nasal cannulae/mask |
|
|
Each trial centre will continue with their standard anaesthesia protocol. Strict guidelines on anaesthetic management are unnecessary given that each surgical procedure is a 'package' of anaesthetic and surgical care. In general terms the anaesthesia protocols in this table should be used. | |
Gough et al. Trials 2008 9:28 doi:10.1186/1745-6215-9-28 |
|