Femoral Neck Fracture and THA THA may be used as the primary treatment option for displaced medial femoral neck fractures (FNF). Compared to screw osteosynthesis, THA results in a stable fracture treatment with less post-operative pain and faster mobilization after displaced medial FNF and with fewer complications. The most common complication to THA treatment in old and perhaps memory-impaired patients is dislocation instability. At the Regional Hospital Holstebro our results with the Saturne® Dual-Mobility THA in this patient group (n>500) during the last 7 years propose the risk of THA hip dislocation in high-risk patients to be below 5%. In 2012, 10,309 patients were admitted to Danish hospitals with femoral fractures. Approximately 600 of these hip fracture patients were treated with THA. Patients with hip fractures are very resource intensive and require approximative 2.2% of all hospital bed days in Denmark. Furthermore, these elderly, with an average age of 80 years and a high co-morbidity percentage also have a high mortality risk of approximately 10% within the first 30 days after FNF. The one-year mortality is 15-25%. Reoperations frequency depends on the fracture type and operative treatment, and varies from a few per cent after insertion of THA to 25% after osteosynthesis. Often it is the acute and chronic medical conditions that cause the elderly to low energy falls resulting in hip fracture, but it may also just be accidental and related to osteoporosis.