What do systematic reviews say?

polyurethane foam dressing vs hydrocellular foam dressing

• Foam dressings for venous leg ulcers 2013 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Foam sclerotherapy vs foam sclerotherapy

The review found no eligible studies for this question.

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

Foam sclerotherapy vs foam sclerotherapy

The review found no eligible studies for this question.

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

Foam sclerotherapy vs foam sclerotherapy

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

• 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

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

• 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

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

• 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

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

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

Foam surfaces vs alternating pressure (active) air surfaces

Foam surfaces showed no clear difference in proportion of participants developing a new pressure ulcer compared with alternating pressure (active) air surfaces (low certainty).

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  RR 1.59 [0.86, 2.95]
  4 studies · 2247 participants
  Low

Foam surfaces vs reactive air surfaces

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 72 participants
  Very low

Foam surfaces vs reactive air surfaces

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 72 participants
  Very low

Foam surfaces vs reactive air surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs reactive air surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs reactive fibre surfaces

It is very uncertain whether foam surfaces changes proportion of participants developing a new pressure ulcer compared with reactive fibre surfaces (very low certainty).

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  RR 1.17 [0.64, 2.14]
  1 study · 68 participants
  Very low

Foam surfaces vs reactive fibre surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs reactive fibre surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs reactive fibre surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs reactive fibre surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs reactive fibre surfaces

The review found no eligible studies for this question.

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Foam surfaces vs alternating pressure (active) air surfaces

It is very uncertain whether foam surfaces changes time to pressure ulcer development compared with alternating pressure (active) air surfaces (very low certainty).

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 2105 participants
  Very low

Foam surfaces vs reactive gel surfaces

• Foam surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 270 participants
  Very low