Puolakka 1997.
Methods | Prospective follow‐up study |
Participants | A total of 400 patients were included in this study |
Interventions | Patients were randomly selected to have a spinal anaesthesia using either a 27 G Quincke‐type needle or a 27 G pencil point needle |
Outcomes | The primary outcome was the severity of needle damage according to the type and number of attempts |
Notes | — |