Surgery with an inversed hybrid arthroplasty with an uncemented hydroxyapatite coated Corail stem and a cemented Marathon cup (DePuy).

Surgery with a totally cemented option with a Lubinus SPII stem and a IP cup (Link).

Femoral Neck Fractures

Total Hip Arthroplasty

Cemented Lubinus femoral stem. Cemented IP acetabular cup. (Link).

Cemented Lubinus SPII stem (control arm)

Uncemented hydroxyapatite coated Corail femoral stem. Cemented Marathon acetabular cup. (DePuy).

Uncemented HA Coated Corail stem

Mölndals Hospital (part of Sahlgrenska University Hospital)

Cemented Versus Uncemented Stems in Total Hip Arthroplasty in Patients With Femoral Neck Fractures

Corail-SP Study - A Prospective Randomized Comparison Between Cemented and Uncemented Hydroxyapatite Coated Prosthesis Stems in Total Hip Arthroplasty in Patients With Femoral Neck Fractures

Time (days) to mobilization defined as independent walking with or without walking aids measured by ward physiotherapist with Traffic Light System and Sahlgrenska University Hospital Hip Score (SUHS).

Cognitive status measured once daily with Pfeiffer's test (Short Portable Mental Status Questionnaire - SPMSQ).
Eventual confusion is noted once daily.

POX-measurements during different phases of surgery along with pulmonary catheter readings.

Blood samples for measurement of the inflammatory response with biochip multi-array technology.

Measured by radiostereometric analysis (RSA) in addition to the conventional pelvis and hip X-ray exams. Early radiological loosening of one or both of the prosthesis components is identified at an early stage with RSA.

In case of for example infection or dislocation.

Questionnaires regarding Patient's satisfaction, Quality of life (EQ-5D), Activity level (UCLA), Harris Hip Score.

Arun Patel, MD

Senior Physician in Orthopaedic Surgery

Sahlgrenska University Hospital, Sweden

DePuy Orthopaedics

Total Knee Arthroplasty. Surgery performed during use of a tourniquet.

Total Knee Arthroplasty. Surgery performed without use of a tourniquet.

Arthropathy of Knee Joint

Total Knee Arthroplasty

Aalborg University Hospital, Northern Orthopaedic Division, Department of Arthroplasty, Farsoe Clinic

Total Knee Arthroplasty - Accelerated Recovery Without Tourniquet

To determine whether prosthesis fixation, measured by RSA, is affected by tourniquet use. Because third generation cements secure prosthesis fixation, we do not expect to find any clinically significant migration (less than 2 mm) 2 years after surgery.

Northern Orthopaedic Division, Denmark

Computer navigation system from Brainlab, vector vision, kolibri.

Conventional total knee replacement is performed with intramedullary guides in the traditional way.

Knee Osteoarthritis

Rheumatoid Arthritis

Total knee replacement performed with the use of navigation system from Brainlab with the Profix total knee implant.

Computer navigated knee replacement

Conventional total knee replacement performed in a traditional way with the use of intramedullary rods, with the Profix implant.

tantalum/hemorrhage

Cemented Versus Uncemented Stems in Total Hip Arthroplasty in Patients With Femoral Neck Fractures

Total Knee Arthroplasty - Accelerated Recovery Without Tourniquet

Computer Navigation vs Conventional Technique in Knee Arthroplasty

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