Self Medication With Oral Morphine After Total Knee Arthroplasty.

The Royal Bournemouth Hospital

Status: Completed

Conditions: Pain Control; Arthroplasty, Knee Replacement

Treatments: Behavioral: Patient self medication of oral morphine.; Behavioral: Nurse dispensed oral morphine.

Study type: Interventional

Funder types: Other

Identifiers

NCT01226186

10/H0505/77

Details and patient eligibility

About

The study aims to compare two post operative pain management strategy's, traditional nurse dispensed pain control versus patient self medication. The investigators aim to establish if patients who self medicate have differing pain levels than those who take nurse dispensed oral morphine.

Enrollment: 144 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients requiring total knee replacement surgery willing to provide written, informed consent.

Exclusion criteria

• Unable to safely self medicate.

Allergy to morphine.

Unable to provide consent.

Contraindication to the standardised anaesthetic or standard postoperative care.

Not consenting to an element of the standardised anaesthetic.

Pre-operative use of strong opiates e.g. Oramorph, MST, Oxynorm.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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144 participants in 2 patient groups

Nurse dispensed oral morphine solution.

Active Comparator group

Treatment:

Behavioral: Nurse dispensed oral morphine.

Self medicated oral morphine solution.

Active Comparator group

Treatment:

Behavioral: Patient self medication of oral morphine.