Instrumentation failure following pedicle subtraction osteotomy: the role of rod material, diameter, and multi-rod constructs.
Andrea LucaClaudia OttardiMaurizio SassoLiliana ProsdocimoLuigi La BarberaMarco Brayda-BrunoFabio GalbuseraTomaso VillaPublished 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 (2016)
The bilateral double parallel rods configuration resulted the best to reduce the stresses on the spinal fixators at the osteotomy site. However, the high loads acting on the rods with respect to the physiologic condition could slow down the bone healing at the osteotomy site.