Cochrane · systematic review · CD005259

Interventions for preventing venous thromboembolism in adults undergoing knee arthroscopy

Perrotta, C, Chahla, J, Badariotti, G, et al. · Cochrane Database of Systematic Reviews · 2022 · Cochrane Library

Vascular2 versionsAMSTAR 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
0
Included studies
NR
No studies 0 · 0%Ungraded 1 · 14.3%Very low 1 · 14.3%Low 1 · 14.3%Moderate 4 · 57.1%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

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Low‐molecular‐weight heparin compared to no prophylaxis for preventing venous thromboembolism in adults undergoing knee arthroscopy

Population: adults undergoing KA
7 questions
OutcomeEffectEvidenceStatus / GRADE
PE: assessed by CT arteriography (
Low‐molecular‐weight heparin vs no prophylaxis
RR 1.81 [0.49, 6.65]3 studies · 1820 participantsModerate
Downgraded: imprecision
Symptomatic DVT: assessed by presence of symptoms and confirmed by a positive compression ultrasound (
Low‐molecular‐weight heparin vs no prophylaxis
RR 0.61 [0.18, 2.03]4 studies · 1848 participantsLow
Downgraded: risk of bias, imprecision
Asymptomatic DVT:
Low‐molecular‐weight heparin vs no prophylaxis
RR 0.14 [0.03, 0.61]2 studies · 369 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
All‐cause mortality (
Low‐molecular‐weight heparin vs no prophylaxis
no estimate extracted5 studies · 1978 participantsUngraded
All adverse effects, including allergies at injection site, minor and major bleeding, others (
Low‐molecular‐weight heparin vs no prophylaxis
RR 1.85 [0.95, 3.59]5 studies · 1978 participantsModerate
Downgraded: imprecision
Major bleeding (
Low‐molecular‐weight heparin vs no prophylaxis
RR 0.98 [0.06, 15.72]1 study · 1451 participantsModerate
Downgraded: imprecision
Minor bleeding (
Low‐molecular‐weight heparin vs no prophylaxis
RR 1.79 [0.84, 3.84]5 studies · 1978 participantsModerate
Downgraded: imprecision