Peripheral regional anaesthesia Signs and Symptoms Anaesthesia
Conditions
Interventions
The ulnar nerve of the non-dominant forearm of the volunteer is scanned and its outer limit is tracked to calculate the cross-sectional area of the nerve. A short bevel facet tip ultrasound needle is
Sponsors
University of Bern
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Healthy volunteers 2. Aged more than 18 and less than 70 years
Exclusion criteria
Exclusion criteria: 1. Pregnancy 2. Sensory or motor abnormalities of the arm 3. Alcohol abuse 4. Intake of psychotropic drugs 5. Allergies to local anaesthetics 6. Intake of non-steroidal anti-inflammatory drugs the week preceding the study 7. Coagulation abnormalities 8. Coronary artery disease 9. Bacterical infection, systemic or local 10. Fever
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Block success: complete sensory block within 20 minutes in the skin area of the blocked ulnar nerve tested by pinprick. | — |
Secondary
| Measure | Time frame |
|---|---|
| Duration of block | — |
Countries
Switzerland
Outcome results
None listed