Feb 10 0 2 level severe spondylolisthesis and kyphosis (flat back syndrome) and stenosis fixed this afternoon Posted by Dr. Lloyd Hey Surgical time 2 hrs 5 minutes. L3 to Iliac wing (5 segments) w 3 level osteotomies and laminectomies. Estimated blood loss (EBL): 350 cc Did well. Good room aura! Dr. Lloyd Hey. Hey Clinic for Scoliosis and Spine Surgery