Findings

What do systematic reviews say?

47 questions · 51 findings · 4 reviews

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No studies found 9 · 17.6%GRADE not reported 5 · 9.8%Very low 13 · 25.5%Low 16 · 31.4%Moderate 8 · 15.7%High 0 · 0%

Foam sclerotherapy vs foam sclerotherapy

QoL · participants with varicose veinsa

The review found no eligible studies for this question.

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Foam sclerotherapy vs foam sclerotherapy

Persistence of symptoms · participants with varicose veinsa

The review found no eligible studies for this question.

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Foam sclerotherapy vs foam sclerotherapy

Recurrent varicose veins · participants with varicose veinsa

Foam sclerotherapy showed no clear difference in recurrent varicose veins compared with foam sclerotherapy (low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 0.91 [0.62, 1.32]
1 study · 148 participants
Low

Foam sclerotherapy vs foam sclerotherapy

Cosmetic appearance · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes cosmetic appearance (self‐described cosmetic improvement) compared with foam sclerotherapy (very low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 1.11 [0.84, 1.47]
1 study · 80 participants
Very low

Foam sclerotherapy vs foam sclerotherapy

Number of thromboembolic complications · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes complications ‐ thromboembolic compared with foam sclerotherapy (very low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 1.47 [0.41, 5.33]
3 studies · 371 participants
Very low

Foam sclerotherapy vs foam sclerotherapy

Residual varicose veins · participants with varicose veinsa

Foam sclerotherapy showed no clear difference in residual varicose veins compared with foam sclerotherapy (moderate certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 0.67 [0.43, 1.04]
3 studies · 371 participants
Moderate

Foam sclerotherapy vs liquid sclerotherapy

Cosmetic appearance · participants with varicose veinsa

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 126 participants
Very low

Foam sclerotherapy vs liquid sclerotherapy

Complications ‐ DVT · participants with varicose veinsa

The review found no eligible studies for this question.

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Foam sclerotherapy vs liquid sclerotherapy

Residual varicose veins · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes residual varicose veins compared with liquid sclerotherapy (very low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 0.51 [0.41, 0.65]
2 studies · 203 participants
Very low

Foam sclerotherapy vs liquid sclerotherapy

QoL · participants with varicose veinsa

The review found no eligible studies for this question.

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Foam sclerotherapy vs liquid sclerotherapy

Persistence of symptoms · participants with varicose veinsa

The review found no eligible studies for this question.

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Foam sclerotherapy vs liquid sclerotherapy

Recurrent varicose veins · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes recurrent varicose veins compared with liquid sclerotherapy (very low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 1.1 [0.86, 1.42]
1 study · 286 participants
Very low

Foam sclerotherapy vs placebo

Cosmetic appearance · participants with varicose veinsa

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 223 participants
Very low

Foam sclerotherapy vs placebo

Complications ‐ DVT · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes complications ‐ DVT compared with placebo (very low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 5.1 [1.3, 20.01]
3 studies · 302 participants
Very low

Foam sclerotherapy vs placebo

Residual varicose veins · participants with varicose veinsa

It is very uncertain whether foam sclerotherapy changes residual varicose veins compared with placebo (very low certainty).

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
RR 0.19 [0.13, 0.29]
2 studies · 225 participants
Very low

Foam sclerotherapy vs placebo

QoL · participants with varicose veinsa

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 299 participants
Very low

Foam sclerotherapy vs placebo

Persistence of symptoms · participants with varicose veinsa

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 223 participants
Low

Foam sclerotherapy vs placebo

Recurrent varicose veins · participants with varicose veinsa

The review found no eligible studies for this question.

1 finding from 1 review

Injection sclerotherapy for varicose veins 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Ultrasound‐guided foam sclerotherapy vs conventional surgery

Recurrence · people requiring intervention for short saphenous vein varices

1 finding from 1 review

Endovenous ablation therapy (laser or radiofrequency) or foam sclerotherapy versus conventional surgical repair for… 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 31 participants
GRADE not reported

Ultrasound‐guided foam sclerotherapy vs conventional surgery

Reintervention (due to technical failure) · people requiring intervention for short saphenous vein varices

1 finding from 1 review

Endovenous ablation therapy (laser or radiofrequency) or foam sclerotherapy versus conventional surgical repair for… 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 31 participants
GRADE not reported