Surgical Planning for Adult Spinal Deformity: Anticipated Sagittal Alignment Corrections According to the Surgical Level.
Renaud LafageFrank SchwabJonathan ElyseeJustin S SmithBasel Sheikh AlshababPeter PassiasEric KlinebergPhilip J YorkChristopher ShaffreyDouglas BurtonMunish GuptaGregory M MundisChristopher AmesShay BessVirginie Lafagenull nullPublished in: Global spine journal (2021)
Overall impact of lumbar lordosis restoration is critically determined by location of correction. Distal correction leads to a greater impact on global alignment and pelvic retroversion. More specifically, it can be assumed that 1° L4-S1 lordosis correction produces 1° change in TPA / 10 mm change in SVA and 0.5° in PT.