CLINICAL EVALUATION OF PERIOPERATIVE ANALGESIA USING ULTRASOUND-GUIDED FASCIA ILIACA BLOCK WITH LOW-DOSE SPINAL ANAESTHESIA VERSUS CONVENTIONAL SPINAL ANESTHESIA IN GERIATRIC PATIENTS UNDERGOING HIP SURGERY: A PROSPECTIVE COMPARATIVE INTERVENTIONAL S

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Introduction: Conventional spinal anaesthesia causes hemodynamic instability in up to 33% of elderly patients. Combining ultrasound-guided Fascia Iliaca Compartment Block (FICB) with low-dose spinal anaesthesia may offer superior perioperative analgesia with enhanced cardiovascular stability. Aim: To evaluate the clinical effectiveness of perioperative analgesia using ultrasound-guided FICB combined with low dose spinal anaesthesia versus conventional low-dose spinal anaesthesia alone in geriatric patients undergoing hip surgery. Materials and Methods: This pilot prospective-comparative study was conducted at the Department of Anaesthesiology, SBKS Medical Institute and Research Centre, Sumandeep Vidyapeeth, Vadodara, Gujarat between February 2026 and March 2026. Fifty geriatric patients (≥65 years) undergoing hip surgery were allocated into two groups: Group A (n = 25) received ultrasound-guided FICB with low-dose spinal anaesthesia, and Group B (n = 25) received conventional low-dose spinal anaesthesia alone. Results: Group A demonstrated significantly greater hemodynamic stability with higher mean arterial pressure at 5 minutes (91.90 ± 6.23 vs 84.34 ± 8.55 mmHg; p = 0.001*) and 10 minutes (92.17 ± 6.10 vs 80.42 ± 7.19 mmHg; p