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Delayed Post-Operative Neurological Deficit After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis:
Pedro Fernandes1, Joaquim Soares do Brito1, Lori Dolan2
1Orthopaedic Department, University Hospital of Santa Maria, Lisbon, Portugal.
The Iowa Orthopaedic Journal
|June 29, 2023
Summary
Anemia following adolescent idiopathic scoliosis surgery can cause delayed neurological deficits. Prompt transfusion support led to full recovery, highlighting the importance of close postoperative monitoring.
Area of Science:
- Spine surgery
- Neurology
- Hematology
Background:
- Adolescent idiopathic scoliosis (AIS) requires surgical intervention, typically posterior spinal fusion.
- Posterior spinal fusion is generally safe, but potential complications exist.
Observation:
- A 14-year-old female with AIS developed significant lower extremity weakness and urinary retention on postoperative day 3 after T3-L3 posterior spinal fusion.
- Her hemoglobin dropped from 10 g/dL to 6.2 g/dL by postoperative day 2, despite no apparent surgical bleeding.
Findings:
- Neurological deficit was not attributed to a compressive etiology, as confirmed by myelogram-CT.
- The patient's neurological function significantly improved after blood transfusion support.
Implications:
- This case highlights a potential association between postoperative anemia and delayed neurological deficits after scoliosis surgery.
- Close neurological monitoring for 48-72 hours post-surgery is crucial for early detection of such complications.
- Prompt management of anemia through transfusion may reverse neurological deficits effectively.

