Cause of hypertension | No of incidents |
---|---|
*Associated with epidural injection (n = 3), interscalene blocks (n = 2), cervical plexus block (n = 1). | |
†All six due to malpositioning of the vaporiser. | |
‡In three reports drug problems were mentioned but there were insufficient data for analysis. | |
Vasopressor administration: | |
inadvertent, by anaesthetist | 16 |
by a surgeon | 6 |
IV adrenaline with local anaesthetic* | 6 |
Anaesthetic failure: | |
failure to deliver volatile agent† | 6 |
failure to deliver nitrous oxide | 4 |
Unknown‡ | 3 |
Total | 41 |