- Clean/ sterilise skin.
- Draw/ identify line between anterior superior iliac spine and pubic tubercle.
- Identify point dividing lateral one-third and medial two-thirds of this line.
- Point of injection 2cm-2.5cm distal to this point.
- Subcutaneously infiltrate 1ml 1% lignocaine to anaesthetise injection site.
- Break skin at injection site with 18G needle.
- Insert short bevelled needle perpendicular to skin feeling for a slight increase, then loss of resistance, or ‘pop’ as fascia lata is penetrated.
- Second ‘pop’ indicates penetration of fascia iliaca and point of infiltration.
- Aspirate to ensure against intravascular injection.
- Carefully infiltrate 30ml 0.25% levobupivicaine.
Fascia iliaca block for neck of femur fracture in the Emergency Dept.
- Modified femoral/’3-in-1’block which is more reliable in reaching lumbar plexus targets.
- Injection of local anaesthetic beneath fascia-iliaca into the compartment containing the femoral and lateral femoral cutaneous nerves+/-obturator nerve that provides sensory innervation to the neck of femur.
- Surface landmark technique with use of short-bevelled needle to give two-‘pop’ feel as the needle passes through fascia-lata, then fascia-iliaca.
- Injection site is distant from large femoral vessels.
- Compartment block –requires adequate volume of local anaesthetic to assure adequate spread of solution into and around compartment.
- Can reduce opiate analgesia requirements and associated opiate side effects (delirium, respiratory depression, sedation)
- No requirement for ultrasound or nerve stimulator.
- Low risk of adverse events.
- Contraindications as per femoral nerve block (local anaesthetic allergy, injection site infection etc.) plus previous femoral bypass surgery.
- Risks as per femoral nerve block(bleeding or haematoma formation particularly with anticoagulation; local anaesthetic toxicity/intravascular injection; direct nerve injury)although risks are theoretically lower as the injection site is distant to nerve and vascular structures.