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Evidence found and GRADE certainty

2,261 questions · 2,280 findings · 114 reviews · Cystic Fibrosis and Genetic Disorders

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No studies found 856 · 37.5%GRADE not reported 58 · 2.5%Very low 550 · 24.1%Low 502 · 22%Moderate 271 · 11.9%High 43 · 1.9%

Long‐term red cell transfusion vs no transfusion

Adverse events associated with transfusion · individuals with sickle cell disease who are at risk of a primary stroke who have not had previous long‐term red cell transfusions

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

1 finding from 1 review

Long‐term red cell transfusion vs no transfusion

TIA · individuals with sickle cell disease who are at risk of a primary stroke who have not had previous long‐term red cell transfusions

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

1 finding from 1 review

Long‐term red cell transfusion vs no transfusion

Serious adverse events as a result of sickle cell‐related complications · individuals with sickle cell disease who are at risk of a primary stroke who have not had previous long‐term red cell transfusions

Long‐term red cell transfusion may leads to lower serious adverse events as a result of sickle cell‐related… compared with no transfusion (low certainty).

1 finding from 1 review

Long‐term red cell transfusion vs no transfusion

Stroke · 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

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

1 finding from 1 review

Long‐term red cell transfusion vs no transfusion

All‐cause mortality · 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

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

1 finding from 1 review

Aggressive vs conservative blood transfusion

Transfusion‐related complications ‐ cholecystectomy complications (any) · people with SCD

It is very uncertain whether aggressive changes transfusion‐related complications ‐ cholecystectomy complications… compared with conservative blood transfusion (very low certainty).

1 finding from 1 review