Postoperative Sleep Disturbances After Fast Track Hip and Knee Replacement

Postoperative Sleep Disturbances After Fast Track Hip and Knee Replacement

The purpose of this study is to quantify the degree of sleep disturbances after hip or knee replacement surgery.

Through polysomnographic monitoring the disturbances in sleep stages will be clarified.

Inclusion Criteria:

• above 60
• ASA classification I-IV

Exclusion Criteria:

• general anaesthesia within 90 days
• daily use of sedatives
• alcohol abuse
• insufficient written and verbal Danish
• severe hearing loss and poor sight
• Parkinsons Disease or other functional neurological deficits
• Mini mental status < 24