Question · asked by 1 review

Long‐term red cell transfusion vs no transfusion: Stroke

Population
individuals with sickle cell disease who are at risk of a primary stroke who have had long‐term red cell transfusions to prevent a stroke
Intervention
Long‐term red cell transfusion
Comparison
no transfusion
Outcome
Stroke

It is very uncertain whether long‐term red cell transfusion changes clinical stroke compared with no transfusion (very low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Long‐term red cell transfusion vs no transfusion
Clinical stroke · individuals with sickle cell disease who are at risk of a primary stroke who have had long‐term red cell transfusions…
It is very uncertain whether long‐term red cell transfusion changes clinical stroke compared with no transfusion (very low certainty).
Blood transfusion for preventing primary and secondary stroke in people with sickle cell disease (2020) · Cochrane Headline outcomes only
RR 0.22 [0.01, 4.35]1 study · 79 participantsVery low

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Blood transfusion for preventing primary and secondary stroke in people with sickle cell disease
2020 · Cochrane Headline outcomes only
Not reportedNot extractedNot assessed

The same intervention and outcome, asked in another population or against another comparator.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.