Can cavity-based pedicle screw augmentation decrease screw loosening? A biomechanical in vitro study.
Hans-Joachim RiesnerThomas R BlattertRenate KrezdornSimone SchädlerHans-Joachim WilkePublished in: European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society (2020)
This study demonstrated that creating a cavity may allow a more equal fixation of all pedicle screws with slight reduction of loosening. However, augmentation only through a cannulated screw is almost equivalent, if care is taken that enough cement volume can be pushed out around the tip of the screw.