Cochrane · systematic review · CD001732

Injection sclerotherapy for varicose veins

de Ávila Oliveira, R, Riera, R, Vasconcelos, V, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

VascularAMSTAR 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
24
current version
GRADE rated
12
No studies
12
Included studies
NR
No studies 12 · 50%Ungraded 0 · 0%Very low 9 · 37.5%Low 2 · 8.3%Moderate 1 · 4.2%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

Foam sclerotherapy versus placebo for treating varicose veins

Population: participants with varicose veinsa
6 questions
OutcomeEffectEvidenceStatus / GRADE
Cosmetic appearance (IPR‐V) (Scale from: 0 to 4; 0 being the best appearance (0: none, 1: mild, 2: moderate, 3: severe, 4: very severe))
Foam sclerotherapy vs placebo
no estimate extracted2 studies · 223 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness
Complications ‐ DVT
Foam sclerotherapy vs placebo
RR 5.1 [1.3, 20.01]3 studies · 302 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness
Residual varicose veins
Foam sclerotherapy vs placebo
RR 0.19 [0.13, 0.29]2 studies · 225 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness
QoL (VEINES‐QOL/Sym;scale from: 0 to 50 with 0 being the worst and 50 better)
Foam sclerotherapy vs placebo
no estimate extracted3 studies · 299 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness
Persistence of symptoms (VCSS)
Foam sclerotherapy vs placebo
no estimate extracted2 studies · 223 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, indirectness
Recurrent varicose veins
Foam sclerotherapy vs placebo
no estimate extractedNRNo studies

Foam sclerotherapy versus foam sclerotherapy for treating varicose veins

Population: participants with varicose veinsa
6 questions
OutcomeEffectEvidenceStatus / GRADE
Cosmetic appearance (self‐described cosmetic improvement)
Foam sclerotherapy vs foam sclerotherapy
RR 1.11 [0.84, 1.47]1 study · 80 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Complications ‐ thromboembolic
Foam sclerotherapy vs foam sclerotherapy
RR 1.47 [0.41, 5.33]3 studies · 371 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Residual varicose veins
Foam sclerotherapy vs foam sclerotherapy
RR 0.67 [0.43, 1.04]3 studies · 371 participantsModerate
Downgraded: risk of bias, imprecision, indirectness
QoL
Foam sclerotherapy vs foam sclerotherapy
no estimate extractedNRNo studies
Persistence of symptoms
Foam sclerotherapy vs foam sclerotherapy
no estimate extractedNRNo studies
Recurrent varicose veins
Foam sclerotherapy vs foam sclerotherapy
RR 0.91 [0.62, 1.32]1 study · 148 participantsLow
Downgraded: risk of bias, imprecision, indirectness

Foam sclerotherapy versus liquid sclerotherapy for treating varicose veins

Population: participants with varicose veinsa
6 questions
OutcomeEffectEvidenceStatus / GRADE
Cosmetic appearance (patient satisfaction scale, the higher the better)
Foam sclerotherapy vs liquid sclerotherapy
no estimate extracted1 study · 126 participantsVery low
Downgraded: risk of bias
Complications ‐ DVT
Foam sclerotherapy vs liquid sclerotherapy
no estimate extractedNRNo studies
Residual varicose veins
Foam sclerotherapy vs liquid sclerotherapy
RR 0.51 [0.41, 0.65]2 studies · 203 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
QoL
Foam sclerotherapy vs liquid sclerotherapy
no estimate extractedNRNo studies
Persistence of symptoms
Foam sclerotherapy vs liquid sclerotherapy
no estimate extractedNRNo studies
Recurrent varicose veins
Foam sclerotherapy vs liquid sclerotherapy
RR 1.1 [0.86, 1.42]1 study · 286 participantsVery low
Downgraded: risk of bias

Sclerotherapy versus sclerotherapy with different substances for treating varicose veins

Population: participants with varicose veinsb
6 questions
OutcomeEffectEvidenceStatus / GRADE
Cosmetic appearance
Sclerotherapy vs sclerotherapy with different substances
no estimate extractedNRNo studies
Complications ‐ DVT
Sclerotherapy vs sclerotherapy with different substances
no estimate extractedNRNo studies
Residual varicose veins
Sclerotherapy vs sclerotherapy with different substances
no estimate extractedNRNo studies
QoL
Sclerotherapy vs sclerotherapy with different substances
no estimate extractedNRNo studies
Persistence of symptoms
Sclerotherapy vs sclerotherapy with different substances
no estimate extractedNRNo studies
Recurrent varicose veins
Sclerotherapy vs sclerotherapy with different substances
no estimate extractedNRNo studies