Failed spinal anesthesia after a psoas compartment block.

Purpose: To report the case of a patient who experienced failed spinal anesthesia following a psoas compartment block (PCB) and discuss its implications.

Clinical Features: A 70-yr-old male was scheduled for a right total hip arthroplasty. He agreed to a PCB for postoperative analgesia and a spinal anesthetic.

Repeated failure of epidural analgesia: an association with epidural fat?

Background And Objectives: To report the case of a patient who experienced repeated failed epidural analgesia associated with an unusual amount of fat in the epidural space (epidural lipomatosis).

Case Report: A 44-year-old female presented for an elective small bowel resection. An L(1-2) epidural catheter was placed for postoperative analgesia.