Procedure: anterior L45, L5S1 ALIF instrumentation and fusion, then posterior Smith Peterson osteotomies w extension instrumentation and fusion down to ilium. Surgical time: 90 minutes anterior, then 5 hour ad 10 min posterior. Lordosis flat back correction: excellent. EBL: 2100 cc. Blood transfused: none. This technique is nice alternative to pedicle subtraction osteotomy (PSO) when […]