This study evaluates the effectiveness of postoperative analgesia quality, Interleukin-6, Hemodynamic stability and QoR-40 of continuous Suprainguinal Fascia Iliaca Compartment Block (S-FICB) compared with continuous epidural in patients undergoing cephalomedullary nailing surgery.

Half of participants will receive continuous S-FICB with patient control regional analgesia using ropivacaine 0.2% continue 2ml/hr and demand dose 5ml as needed, while the other half will receive continuous epidural with patient control epidural analgesia using same regimen.

The Continuous Suprainguinal Fascia Iliaca Compartment Block (S-FICB) and continuous epidural are regional anaesthesia that can be used to relieve postoperative pain of femur surgery. But there are few studies have been done to compare both techniques.

The S-FICB is an alternate peripheral nerve block technique using local anaesthetic administered into the fascia iliaca compartment at the inguinal region which targets the femoral, obturator and lateral femoral cutaneous nerves.

The epidural is well known and proven to have an adequate analgesia effect using local anaesthetic in the epidural region targeted for femur surgery.

Based on previous studies, the effectiveness of the S-FICB single shot was no longer than 18 hours. Then we choose to continue S-FICB to find out how adequate it is. The S-FICB with ropivacaine has a proven anti-inflammatory effect for the first 24 hours postoperative.

Inclusion Criteria:

1. Patients is planned for cephalomedullary nailing surgery
2. Patients with BMI 18 - 30 kg/m2
3. Patients with ASA physical status I - III

Exclusion Criteria:

1. Patients with contraindications to regional anesthesia
2. Patients with mental disorders or psychiatric disorders
3. Patients have a history of allergy to the local anesthetic drug
4. Patients or family refused to participate in the study