Anaesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The patient inclusion criteria for this study are: • ASA I, II and III patients • age ? 18 years • presenting for emergency caesarean delivery • who consent to take part in the study • BMI at first antenatal weight recording ? 30kg.m-2 • under spinal block as the first choice of anaesthetic • by an anaesthetist who meets study criteria. The anaesthetist inclusion criteria for this study are: • qualified doctor working in the Department of Anaesthesiology • medical officer or registrar • with at least two years of supervised experience in anaesthesia • who consents to inclusion to the study.
Exclusion criteria
Exclusion criteria: The patient exclusion criteria in this study are: • patients with contraindications to spinal block, including known spinal disease • patient unable to communicate in English. The anaesthetist exclusion criteria for this study are • prior inclusion in the study two times.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| First-pass success rate - rate at which subarachnoid space is reached on first puncture and pass of spinal needle;Number of needle punctures - the number of times the spinal needle was withdrawn from the skin and reinserted. ;Number of needle passes - the number of times the spinal needle is advanced, withdrawn and then redirected towards the subarachnoid space without exiting the skin. ;Procedure time - the time from first insertion of the spinal needle through the skin to connecting the syringe for injection after free cerebrospinal fluid flow is noted | — |
Secondary
| Measure | Time frame |
|---|---|
| Initial intervertebral space used - the intervertebral space entered with the first needle puncture;Final intervertebral space - the intervertebral space entered with the needle puncture resulting in successful cerebrospinal fluid flow;Number of intervertebral spaces attempted - number of different intervertebral spaces entered during spinal anaesthetic administration | — |
Countries
South Africa
Contacts
Registrar Anaesthesiology