The effect of tourniquet use in total knee arthroplasty

We conducted a prospective, randomised study on primary total knee replacements to evaluate the effects of tourniquet use on total calculated blood loss using Gross formula, post-operative measured blood loss, operating time, need for blood transfusion, post-operative pain, analgesia requirement and...

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Bibliographic Details
Published in:International orthopaedics 2002, Vol.26 (5), p.306-309
Main Authors: VANDENBUSSCHE, Eric, DURANTHON, Louis-Denis, COUTURIER, Monique, PIDHORZ, Louis, AUGEREAU, Bernard
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee
Biological and medical sciences
Blood Loss, Surgical - prevention & control
Blood Transfusion
Chi-Square Distribution
Female
Humans
Male
Medical sciences
Middle Aged
Original Paper
Orthopedic surgery
Postoperative Complications
Prospective Studies
Statistics, Nonparametric
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Tourniquets
Treatment Outcome
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Summary:We conducted a prospective, randomised study on primary total knee replacements to evaluate the effects of tourniquet use on total calculated blood loss using Gross formula, post-operative measured blood loss, operating time, need for blood transfusion, post-operative pain, analgesia requirement and knee flexion. Forty patients were operated on with the use of an arterial tourniquet with pressure of 350 mmHg (group A), and 40 patients without the use of a tourniquet (group B). Total calculated blood loss was significantly increased ( P=0.0165) without the use of a tourniquet. There was no significant difference in measured blood loss or operating time. The median units of blood given were similar in both groups. In spite of autologous transfusions 14% of patients received additional homologous transfusions. At 6 h post-operatively pain was significantly less ( P=0.0458) in group B but was similar at 24 and 48 h. There was no significant difference in analgesia requirement. The mean change in total flexion in group B was significantly better ( P
ISSN:0341-2695
1432-5195
DOI:10.1007/s00264-002-0360-6