comparison of continuous epidural analgesia and ultrasound guided continuous supra-inguinal fascia iliaca compartment block after total hip replacement surgery

supra-inguinal FICB is a promising safe approach for lumbar plexus that may be useful for analgesia in hip surgeries.In this study the investigators are comparing continuous S-FICB with continuous epidural analgesia after total hip arthroplasty surgeries with the primary aim to assess efficacy of post-operative analgesia, and secondary aim to assess rehabilitation indices, side effects and radiological pattern of local anaesthetic distribution after S-FICB.

Inclusion Criteria:

• orthopaedic patients, American Society of Anesthesiologists (ASA) physical status I-III, scheduled to undergo unilateral total hip replacement surgery via lateral approach

Exclusion Criteria:

• 1- History of neurological/neuromuscular, psychiatric disease, dementia preventing proper comprehension.

  2- Patients younger than 18 years or older than 80 years. 3- Patients with Body Mass Index (BMI) <18.5 or >30 kg/m2. 4- Coagulation disturbances (INR>1.4, platelet count<100 000). 5- History of opioid dependence (opioid use within the last 4 weeks). 6- History of allergies to study medications. 7- Other contraindications to neuraxial blockade (e.g., patient refusal, local/systemic sepsis, low fixed cardiac output).

  8- Contraindications to continuous fascia iliaca compartment block (e.g., infection overlying the injection site or previous femoro-popliteal bypass surgery).