Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,345 questions · 4,525 findings · 483 reviews

No studies found 1,024 · 22.6%GRADE not reported 388 · 8.6%Very low 1,172 · 25.9%Low 1,227 · 27.1%Moderate 576 · 12.7%High 138 · 3%

Sphenopalatine ganglion block vs no treatment/placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · septal surgery

The review found no eligible studies for this question.

3 findings from 1 review

Continuation vs discontinuation of antiplatelet therapy

Mortality within the longest · adults undergoing non‐cardiac surgery

Continuation showed no clear difference in all‐cause mortality (at longest compared with discontinuation of antiplatelet therapy (low certainty).

1 finding from 1 review

Continuation vs discontinuation of antiplatelet therapy

All‐cause mortality (up to 30 days) · adults undergoing non‐cardiac surgery

Continuation showed no clear difference in all‐cause mortality (up to 30 days) compared with discontinuation of antiplatelet therapy (low certainty).

1 finding from 1 review

Continuation vs discontinuation of antiplatelet therapy

Blood loss requiring transfusion of blood products (intraoperatively and postoperatively) · adults undergoing non‐cardiac surgery

Continuation showed no clear difference in blood loss requiring transfusion of blood products (intraoperatively… compared with discontinuation of antiplatelet therapy (moderate certainty).

1 finding from 1 review