Supine Sleeping After Total Hip Replacement

The Need for Supine Position Advise During Sleep in the First 8 Week After a Total Hip Replacement to Prevent Hip Dislocation

Aim of the current study is to test the non-inferiority hypothesis of differences in early hip dislocation between a group of patients who will be restricted to sleep in supine position and a group without restricted sleeping position during the first eight weeks after a total hip replacement following a posterolateral surgical approach

stratified block randomized controlled trial

Inclusion Criteria:

• Placement of a primary total hip replacement via the posterolateral approach by a high volume orthopaedic surgeon
• Patients with a ASA-classification of I or II

Exclusion Criteria:

• Blindness
• Replacement of 2nd total hip within six months after the1st total hip replacement surgery
• Insufficient knowledge of the Dutch language
• Collum fracture
• Infection of total hip replacement
• Cognitive dysfunction
• Wheelchair dependability
• Hypermobility
• Alcohol abuse
• Neurological disorders such as Parkinson and stroke