Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

771 questions · 791 findings · 66 reviews

No studies found 207 · 26.2%GRADE not reported 47 · 5.9%Very low 172 · 21.7%Low 211 · 26.7%Moderate 107 · 13.5%High 47 · 5.9%

FXIII: Prophylactic trials: intervention vs inactive control

Arterial thromboembolic events Post‐operatively · the prevention and treatment of bleeding in patients without haemophilia

FXIII: Prophylactic trials: intervention showed no clear difference in arterial thromboembolic events Up to 5 to 7 weeks post‐operatively compared with inactive control (low certainty).

3 findings from 1 review

FXIII: Prophylactic trials: intervention vs inactive control

Venous thromboembolic events · the prevention and treatment of bleeding in patients without haemophilia

FXIII: Prophylactic trials: intervention showed no clear difference in venous thromboembolic events ‐ Up to 5 to 7 weeks post‐operatively compared with inactive control (low certainty).

2 findings from 1 review

FXIII: Prophylactic trials: intervention vs inactive control

Venous thromboembolic events Up to 30 days post‐operatively · the prevention and treatment of bleeding in patients without haemophilia

FXIII: Prophylactic trials: intervention showed no clear difference in venous thromboembolic events Up to 30 days post‐operatively compared with inactive control (low certainty).

1 finding from 1 review

Prophylactic administration of paracetamol vs placebo or no intervention

Failure of PDA closure after first course of treatment (assessed by post‐treatment ECHO) · preterm infants with PDA

Prophylactic administration of paracetamol may leads to lower failure of PDA closure after first course (assessed by… compared with placebo or no intervention (low certainty).

1 finding from 1 review

Prophylactic administration of paracetamol vs placebo or no intervention

All‐cause mortality during hospital stay · preterm infants with PDA

Prophylactic administration of paracetamol showed no clear difference in all‐cause mortality during initial hospital stay (by clinical… compared with placebo or no intervention (low certainty).

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Amount of analgesia · Patients being treated for cancer (predominantly haematological malignancies)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Patient quality of life · Patients being treated for cancer (predominantly haematological malignancies)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Viral isolates (HSV isolates identified, with or without clinical symptoms) · Patients being treated for cancer (predominantly haematological malignancies)

Prophylactic aciclovir (oral or intravenous) led to lower viral isolates (HSV isolates identified, with or without clinical… compared with placebo; GRADE not reported.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Presence/absence of HSV oral lesions · Patients being treated for cancer (predominantly haematological malignancies)

Prophylactic aciclovir (oral or intravenous) led to lower presence/absence of HSV oral lesions compared with placebo; GRADE not reported.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Length of hospital stay · Patients being treated for cancer (predominantly haematological malignancies)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Recurrence of lesions · Patients being treated for cancer (predominantly haematological malignancies)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Adverse effects · Patients being treated for cancer (predominantly haematological malignancies)
1 finding from 1 review

Prophylactic perindopril (2 mg to 4 mg daily) vs placebo

Change in cardiac function: number of patients with EF < 45% · boys with DMD, normal cardiac examination and LVEF > 55% at baseline

It is very uncertain whether prophylactic perindopril (2 mg to 4 mg daily) changes change in cardiac function: number of patients with EF < 45% compared with placebo (very low certainty).

1 finding from 1 review

Prophylactic perindopril (2 mg to 4 mg daily) vs placebo

Adverse events · boys with DMD, normal cardiac examination and LVEF > 55% at baseline

Prophylactic perindopril (2 mg to 4 mg daily) showed no clear difference in adverse events compared with placebo (low certainty).

1 finding from 1 review

FIBRINOGEN: Prophylactic trials: intervention vs inactive control

Arterial thrombotic events ‐ up to 30 days post‐operatively · the prevention and treatment of bleeding in patients without haemophilia

FIBRINOGEN: Prophylactic trials: intervention showed no clear difference in arterial thrombotic events Up to 30 days post‐operatively compared with inactive control (low certainty).

2 findings from 1 review