Surgical Treatment of Pelvis in Fragility Fracture in Germany: a Prospective, National, Multicenter, Observational, Comparative Cohort Study Comparing Isolated Posterior Versus Combined Anterior-posterior Surgical Fracture Stabilization

Inclusion Criteria: * Patients with sacral FFP (no concomitant injuries) Types: IIc, IIIc, IVb, IVc according to Rommens and Hofmann associated with fracture of the anterior pelvic ring (fractures involving the anterior lip of the acetabulum that are not regarded as acetabular fracture will be included) * Diagnostic workup for fracture diagnosis and classification performed using CT scan as per standard of care * Indication for surgical fracture fixation as considered by the attending surgeon * Age ≥ 65 yrs. * Low-energy trauma fracture, or osteoporotic fracture, or insufficiency fracture, or spontaneous fracture * ASA-Score ≤ 3 pts. * Ability to provide informed consent according to the IRB/EC defined and approved procedures Exclusion Criteria: * Patients with multiple fractures * Instability of the pubic symphysis (ie, visibility of a widening or diastasis of the symphysis), and/or fractures of the pubic rami next to the symphysis, that indicate instability * Pelvic fractures due to high-energy trauma * Pathologic fractures (eg, fractures caused by malignancy or infection) * History of pelvic fracture or pelvic ring surgery (hip joint implants do not count) * Clinically significant or unstable medical or surgical condition that prevents surgical treatment