A Thai women, aged 22 years old, came to hospital with Patent Ductus Arteriosis (PDA). Left thoracotomy, with division and suturing PDA, was performed. The second day after operation, she developed paraplegia below umbilical level. The CT-scan detected an extradural hematoma in the spinal cavity from T3-T6. To remove the blood clot, the T spine laminectomy was performed. 6 months after the laminectomy, the patient was able to perform her regular exercise.

Keywords: Paraplegia, Thoracotomy, PDA