Findings

What do systematic reviews say?

539 questions · 553 findings · 58 reviews · Airways

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No studies found 37 · 6.7%GRADE not reported 8 · 1.4%Very low 27 · 4.9%Low 161 · 29.1%Moderate 219 · 39.6%High 101 · 18.3%

Group 3 Pulmonary hypertension due to lung disease ‐ PDE5i vs placebo

Cardiac index · people with pulmonary hypertension due to lung disease

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 28 participants
Low

Group 3 Pulmonary hypertension due to lung disease ‐ PDE5i vs placebo

PVR · people with pulmonary hypertension due to lung disease

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 28 participants
Low

Group 3 Pulmonary hypertension due to lung disease ‐ PDE5i vs placebo

RAP · people with pulmonary hypertension due to lung disease

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 28 participants
Low

Group 4 Pulmonary hypertension due to CTEPH ‐ PDE5i vs placebo

Improvement in WHO functional class · people with pulmonary hypertension due to CTEPH

Group 4 Pulmonary hypertension due to CTEPH ‐ PDE5i showed no clear difference in improvement in WHO functional class compared with placebo (low certainty).

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
OR 17.18 [0.78, 380.84]
1 study · 19 participants
Low

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

QoL · pulmonary arterial hypertension

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 163 participants
GRADE not reported

Group 4 Pulmonary hypertension due to CTEPH ‐ PDE5i vs placebo

Mortality ‐ sildenafil versus bosentan · people with pulmonary hypertension due to CTEPH

Group 4 Pulmonary hypertension due to CTEPH ‐ PDE5i showed no clear difference in mortality ‐ sildenafil versus bosentan compared with placebo (low certainty).

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
OR 1.36 [0.22, 8.48]
1 study · 106 participants
Low

Group 4 Pulmonary hypertension due to CTEPH ‐ PDE5i vs placebo

Quality of life · people with pulmonary hypertension due to CTEPH

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 34 participants
Low

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

PAP · pulmonary arterial hypertension

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 453 participants
Moderate

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i vs placebo

Improvement in WHO functional class · people with pulmonary hypertension group 2 ‐ 4

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i probably leads to higher improvement in WHO functional class compared with placebo (moderate certainty).

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
OR 11.31 [4.9, 26.14]
2 studies · 146 participants
Moderate

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i vs placebo

Six‐minute walk distance · people with pulmonary hypertension group 2 ‐ 4

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 106 participants
Moderate

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i vs placebo

All‐cause mortality · people with pulmonary hypertension group 2 ‐ 4

The review found no eligible studies for this question.

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i vs placebo

Quality of life · people with pulmonary hypertension group 2 ‐ 4

The review found no eligible studies for this question.

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Mixed Pulmonary hypertension group 2 ‐ 4 ‐ PDE5i vs placebo

PASP · people with pulmonary hypertension group 2 ‐ 4

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 146 participants
Moderate

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

RAP · pulmonary arterial hypertension

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 341 participants
High

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

Cardiac index · pulmonary arterial hypertension

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 239 participants
Moderate

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo

PVR · pulmonary arterial hypertension

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 266 participants
High

Group 1 Pulmonary arterial hypertension ‐ PDE5i vs placebo, on combination therapy

Improvement in WHO functional class · pulmonary arterial hypertension

Group 1 Pulmonary arterial hypertension ‐ PDE5i showed no clear difference in improvement in WHO functional class compared with placebo, on combination therapy (moderate certainty).

1 finding from 1 review

Phosphodiesterase 5 inhibitors for pulmonary hypertension 2019 · Cochrane Headline outcomes only
OR 1.2 [0.66, 2.17]
2 studies · 227 participants
Moderate

Selexipag vs placebo

Improvement in WHO functional class · pulmonary arterial hypertension

Selexipag showed no clear difference in improvement in WHO functional class compared with placebo (moderate certainty).

1 finding from 1 review

Prostacyclin for pulmonary arterial hypertension 2019 · Cochrane Headline outcomes only
OR 1.61 [0.17, 15.63]
1 study · 43 participants
Moderate

Selexipag vs placebo

Six‐minute walk distance · pulmonary arterial hypertension

1 finding from 1 review

Prostacyclin for pulmonary arterial hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 1199 participants
High

Selexipag vs placebo

All‐cause mortality · pulmonary arterial hypertension

1 finding from 1 review

Prostacyclin for pulmonary arterial hypertension 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 1199 participants
Moderate