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Sharp Dissection Versus Monopolar Electrocautery in Primary Total Knee Arthroplasty Performed Under Tourniquet

Osteo Arthritis Knee Clinical Trial

Official title:
Sharp Dissection Versus Monopolar Electrocautery in Primary Total Knee Arthroplasty Performed Under Tourniquet: a Randomized Double Blind Controlled Trial

Clinical Trial Summary

This study compares the use of sharp dissection with diathermy for the approach to a total knee replacement. Half of the patients will be randomly assigned each intervention.

Clinical Trial Description

The approach to the knee to carry out a total knee replacement (TKR) can either be carried out using a scalpel, sharp dissection, or using an electric current to divide tissue, monopoly electrocautery. Reducing blood loss is important. Blood loss can result in anaemia, which has a number of effects including shortness of breath, chest pain and lethargy. Blood loss into a newly replaced knee can also result in pain and stiffness in the joint. Total knee replacements are routinely carried out with a tourniquet inflated, which reduces the blood flow into to leg during the operation. Diathermy is applied to areas of bleeding to stop them from doing so during operations. With the tourniquet inflated, some areas that would bleed when this was deflated may not be noticed and continue to bleed. Using diathermy for the approach would be expected to reduce this bleeding compared to using a scalpel. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03559478
Study type Interventional
Source Royal Infirmary of Edinburgh
Contact Chloe EH Scott, MD MSc
Phone 01312423484
Email chloe.scott@nhslothian.scot.nhs.uk
Status Not yet recruiting
Phase N/A
Start date November 2018
Completion date April 2021
View Details
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