Inclusion Criteria:  Patients scheduled for total hip replacement surgery under regional anesthesia ASA(American Society of Anesthesiology) 1-3 Receiving consent that accept regional analgesia  Exclusion Criteria:  Refusal of regional anesthesia Infection on the local anesthetic application area Infection in the central nervous system Coagulopathy Increased intracranial pressure (Brain tumors) Known allergy against local anesthetics Anatomical difficulties