Abstract
The lumbo-sacral junction is a mobile, junctional area with high stresses acting upon it. The lumbo-sacral junction has less rotational movements with high lumbar lordosis. Anatomical structures like sacrum, sacro-iliac joint, and ilium are in different planes, which make combined fixation to these structures challenging. Various fractures of sacrum and sacro-pelvis may cause instability at this junctional area, making fixations at the lumbo-sacral junction mandatory. Various zones of fixation of sacro-pelvis like zone 1, 2, and 3 have been described extensively in literature, and it is of great importance as it guides us with respect to the strength of fixation. Different implants are available to be used in these zones, in case of fractures of sacrum and sacro-pelvis. Galveston technique of fixation to ilium has reduced the pseudoarthrosis rate significantly, and it is considered as a prototype for fixation to zone 3. Recent advancements like iliac screws and S2 Alar iliac screws have reduced the limitations of Galveston technique. Complications of sacrum and sacro-pelvic fixation should be kept in mind while contemplating surgery for sacral and pelvis fractures due to vicinity of neural, vascular, and visceral structures.
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Basu, S., Doddabhadre Gowda, S. (2023). Sacral and Sacro-pelvic Implants. In: Banerjee, A., Biberthaler, P., Shanmugasundaram, S. (eds) Handbook of Orthopaedic Trauma Implantology. Springer, Singapore. https://doi.org/10.1007/978-981-19-7540-0_111
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DOI: https://doi.org/10.1007/978-981-19-7540-0_111
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