Biomechanical Changes of Degenerated Adjacent Segment and Intact lumbar Spine after lumbosacral Topping-off surgery: A Three-dimensional Finite Element Analysis
Abstract:Background : Previous studies have revealed positive effect of Topping-off technique on upper adjacent segment after fusion surgery, while for the cases with fusion surgery on L5-S1 segment, owning maximal range of motion, and preexisting degenerated upper adjacent disc, it is necessary to clarify the superiority of Topping-ff technique and the effect exerted on the lumbar spine. Methods: A young healthy male volunteer was selected for thin-slice CT scanning. Then the image information was imported into the co… Show more
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