the Pericapsular Nerve Group (PENG) and Suprainguinal Fascia Iliaca Blocks (SIFIB) in Elderly Patients
This clinical trial aims to compare the effect of the pericapsular nerve group (PENG) and suprainguinal fascia iliaca blocks (SIFIB) on pain management in elderly patients with subtrochanteric femur fractures.

The participants will be patients determined to have proximal femoral nailing. According to randomisation, each participant will receive either PENG or SIFIB postoperatively after spinal anaesthesia. The investigator will measure postoperative pain scores, total amount of analgesic consumption and motor ability postoperatively.
- EligibilityCriteria: Inclusion Criteria:  Patients over 65 Patients scheduled for proximal femoral nailing Patients with American Society of Anesthesiologists (ASA) Physical Status classification of I to IV.  Exclusion Criteria:  refusal to participate a history of neurological deficits or neuropathy infection at the site of block application coagulopathy allergy to local anaesthetics patients with severe cardiopulmonary insufficiency or renal impairment mental illness. prolonged surgery due to orthopaedic complications of more than 3 hours, necessitating conversion of spinal anaesthesia to general anaesthesia. - HealthyVolunteers: No - Gender: All - MinimumAge: 18 Years - MaximumAge: 100 Years - StdAgeList: Adult, Older Adult