Cochrane · systematic review · CD012874

Tourniquet use for knee replacement surgery

Ahmed, I, Chawla, A, Underwood, M, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

MusculoskeletalAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
6
No studies
1
Included studies
NR
No studies 1 · 14.3%Ungraded 0 · 0%Very low 1 · 14.3%Low 2 · 28.6%Moderate 3 · 42.9%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Knee replacement with tourniquet compared to knee replacement without tourniquet

7 questions
OutcomeEffectEvidenceStatus / GRADE
Pain Visual analogue scale (VAS) for pain from zero to 10 (higher scores indicate more pain)
Knee replacement with tourniquet vs knee replacement without tourniquet
no estimate extracted8 studies · 577 participantsModerate
Downgraded: risk of bias
Function Similar 0 to 100 scales (100 is best) were used to measure the same conceptual functional outcome: Knee Injury and Osteoarthritis Outcome Score Activities of Daily Living (KOOS‐ADL); Knee Society Score (KSS); Hospital for Special Surgery ...
Knee replacement with tourniquet vs knee replacement without tourniquet
no estimate extracted5 studies · 611 participantsModerate
Downgraded: risk of bias
Global assessment of success Participants reporting overall successful treatment and satisfactione
Knee replacement with tourniquet vs knee replacement without tourniquet
RR 1 [0.91, 1.1]1 study · 100 participantsLow
Downgraded: risk of bias
Health‐related quality of life SF‐12 mental component from zero to 100 (100 is best)
Knee replacement with tourniquet vs knee replacement without tourniquet
no estimate extracted1 study · 199 participantsLow
Downgraded: risk of bias
Serious adverse events
Knee replacement with tourniquet vs knee replacement without tourniquet
RR 1.73 [1.1, 2.73]21 studies · 1799 participantsModerate
Downgraded: risk of bias
Cognitive function
Knee replacement with tourniquet vs knee replacement without tourniquet
no estimate extractedNRNo studies
Survival of the implant Risk of revision At 1 year
Knee replacement with tourniquet vs knee replacement without tourniquet
RR 1.44 [0.23, 8.92]3 studies · 214 participantsVery low
Downgraded: risk of bias