Delayed Onset Sciatic Nerve Palsy Secondary to Wound Hematoma following Anticoagulant Therapy Post-Bipolar Hemiarthroplasty - an Uncommon Complication: A Case Report.

A 58-year old female patient presented to us with a three months' old fracture of the neck of femur. She underwent bipolar hemiarthroplasty. In the immediate postoperative period, she developed deep vein thrombosis for which she was started on anticoagulant therapy. Patient had persistent discharge from the wound since then and underwent regular dressings. On the eighth post-op day, she developed sciatic nerve palsy secondary to wound haematoma. The haematoma was decompressed immediately and she had a dramatic improvement in pain but her neurological deficit persisted. The wound healed completely without any complications. At three months follow up, she had recovered completely with grade 5/5 power in ankle and foot and full sensory recovery in the sciatic nerve distribution. She was ambulating comfortably with a walker. At final follow up around 20 months post-operation, she was pain-free and walking without any support. The wound had healed completely.