Displaced Femoral Neck Fractures A prospective randomized study of clinical outcome, nutrition and costs

7 List of papers 8 Statement 9 Abbreviations 10 Introduction 11 Internal fixation 11 Hemiarthroplasty (HA) 13 Total hip arthroplasty (THA) 14 Comparative studies between HA and THA 14 Comparative studies between internal fixation and arthroplasty 15 Heterotopic ossification 17 Nutritional status and intervention 17 Cost analyses 17 Summary of introduction 18 Aims 19 Patients and methods Patients and randomization procedure 21 Surgical procedures and follow-up 22 Nutritional intervention and follow-up 22 Evaluation methods 22 Ethical considerations 24 Results Mortality and general complications 25 Local complications after internal fixation 25 Local complications after THA 26 Mental function in relation to local complications 27 Radiographic findings 27 Function and pain 29 Nutritional intervention, nutritional status and functional capacity 30 Hospital costs 31 Municipality costs 33 General discussion Clinical outcome 35 Nutritional status and intervention 37 Cost analyses 38 Limitations and weaknesses of our studies 39 Treatment algorithm 41 Conclusions 45 Acknowledgments 46 References 47 Papers I-IV