Prediction of Pain After Total Knee Arthroplasty

Prospective Descriptive Study of Nociceptive and Psychological Prediction of Pain After Total Knee Arthroplasty (TKA)

Despite improvements in treatment, a significant part of patients have severe pain following knee arthroplasty. Preoperative identification of high-risk patients would allow for an intensive individualized analgesic treatment pre- and postoperatively and thus potentially in reduced pain acute and chronically.

Inclusion Criteria:

• primary unilateral TKA
• caucasian
• 50 - 80 years
• osteoarthritis

Exclusion Criteria:

• deficient written or spoken danish
• impairment from psychological og neurological disease
• expected discharged to rehabilitation facility
• anticoagulant therapy
• allergies to analgesic treatment
• hypertension (systolic > 160 / diastolic > 100)
• ASA class ≥ 4