Cochrane · systematic review · CD003149

Preoperative blood transfusions for sickle cell disease

Estcourt, LJ, Kimber, C, Trivella, M, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Cystic Fibrosis and Genetic Disorders2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
14
current version
GRADE rated
9
No studies
1
Included studies
NR
No studies 1 · 7.1%Ungraded 4 · 28.6%Very low 8 · 57.1%Low 1 · 7.1%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Show all 2 versions

Aggressive versus conservative blood transfusion for sickle cell disease (SCD)

Population: people with SCD
7 questions
OutcomeEffectEvidenceStatus / GRADE
Mortality
Aggressive vs conservative blood transfusion
no estimate extracted1 study · 230 participantsUngraded
Serious complications related to SCD ‐ cholecystectomy ACS
Aggressive vs conservative blood transfusion
RR 0.84 [0.38, 1.84]1 study · 230 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Serious complications related to SCD ‐ cholecystectomy painful crisis
Aggressive vs conservative blood transfusion
RR 0.3 [0.09, 1.04]1 study · 230 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Serious infection ‐ cholecystectomy
Aggressive vs conservative blood transfusion
RR 1.75 [0.59, 5.18]1 study · 230 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Perioperative complications ‐ cholecystectomy complications (any)
Aggressive vs conservative blood transfusion
RR 0.75 [0.36, 1.55]1 study · 230 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Transfusion‐related complications ‐ cholecystectomy complications (any)
Aggressive vs conservative blood transfusion
RR 1.85 [0.89, 3.88]1 study · 230 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Quality of life
Aggressive vs conservative blood transfusion
no estimate extractedNRNo studies

Preoperative blood transfusion versus no transfusion for sickle cell disease (SCD)

Population: people with SCD
7 questions
OutcomeEffectEvidenceStatus / GRADE
Mortality
Preoperative blood transfusion vs no transfusion
no estimate extracted2 studies · 434 participantsUngraded
Serious complications related to SCD ‐ ACS
Preoperative blood transfusion vs no transfusion
no estimate extracted2 studies · 434 participantsVery low
Downgraded: risk of bias, imprecision
Serious complications related to SCD ‐ painful crises
Preoperative blood transfusion vs no transfusion
OR 1.91 [0.61, 6.04]2 studies · 434 participantsVery low
Downgraded: risk of bias, imprecision
Serious infection
Preoperative blood transfusion vs no transfusion
OR 1.29 [0.29, 5.71]2 studies · 434 participantsVery low
Downgraded: risk of bias, imprecision
Perioperative complications ‐ any surgery‐related
Preoperative blood transfusion vs no transfusion
RR 0.24 [0.03, 2.05]1 study · 65 participantsLow
Downgraded: risk of bias, imprecision
Transfusion related complications ‐ any
Preoperative blood transfusion vs no transfusion
no estimate extracted2 studies · 434 participantsUngraded
Quality of life
Preoperative blood transfusion vs no transfusion
no estimate extracted1 study · 19 participantsUngraded