Cochrane · systematic review · CD009072

Pathogen‐reduced platelets for the prevention of bleeding

Estcourt, LJ, Malouf, R, Hopewell, S, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

Haematology2 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
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 1 · 14.3%Moderate 4 · 57.1%High 2 · 28.6%

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

Current version only

Pathogen‐reduced platelets versus standard platelets for the prevention of bleeding

Population: thrombocytopenia
CD009072.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Number of participants with 'any bleeding' event(s) (WHO grade 1 to 4 or equivalent) ‐
Pathogen‐reduced platelets vs standard platelets
RR 1.09 [1.02, 1.15]5 studies · 1085 participantsLow
Downgraded: inconsistency
Number of participants with 'clinically significant' bleeding event(s) (WHO grade ≥ 2 or equivalent) ‐
Pathogen‐reduced platelets vs standard platelets
RR 1.1 [0.97, 1.25]5 studies · 1392 participantsModerate
Number of participants with 'severe' bleeding event(s) (WHO grade ≥ 3 or equivalent) ‐
Pathogen‐reduced platelets vs standard platelets
RR 1.24 [0.76, 2.02]6 studies · 1495 participantsModerate
Downgraded: risk of bias, inconsistency
All‐cause mortality
Pathogen‐reduced platelets vs standard platelets
RR 0.81 [0.5, 1.29]6 studies · 1509 participantsModerate
Downgraded: imprecision
Number of participants with a serious adverse event
Pathogen‐reduced platelets vs standard platelets
RR 1.09 [0.88, 1.35]7 studies · 1340 participantsModerate
Downgraded: imprecision
Number of participants experiencing platelet refractoriness
Pathogen‐reduced platelets vs standard platelets
RR 2.94 [2.08, 4.16]7 studies · 1525 participantsHigh
Number of platelet transfusions per participant Multiple platelet transfusion trials
Pathogen‐reduced platelets vs standard platelets
no estimate extracted6 studies · 1509 participantsHigh

Pathogen‐reduced platelets versus standard platelets for the prevention of bleeding in thrombocytopenia

Population: thrombocytopenia
CD009072.PUB2 · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Number of participants with 'any bleeding' event(s) (WHO grade 1 to 4 or equivalent) ‐
Pathogen‐reduced platelets vs standard platelets
RR 1.09 [1.02, 1.15]5 studies · 1085 participantsHigh
Number of participants with 'clinically significant' bleeding event(s) (WHO grade ≥ 2 or equivalent) ‐
Pathogen‐reduced platelets vs standard platelets
RR 1.06 [0.93, 1.21]4 studies · 983 participantsHigh
Number of participants with a 'severe' bleeding event(s) (WHO grade ≥ 3 or equivalent) ‐
Pathogen‐reduced platelets vs standard platelets
RR 1.27 [0.76, 2.12]5 studies · 1085 participantsModerate
Downgraded: risk of bias
All‐cause mortality post‐transfusion
Pathogen‐reduced platelets vs standard platelets
RR 0.73 [0.41, 1.29]6 studies · 1294 participantsModerate
Number of participants with a serious adverse event
Pathogen‐reduced platelets vs standard platelets
RR 1.09 [0.88, 1.35]5 studies · 1253 participantsModerate
Number of patients experiencing platelet refractoriness
Pathogen‐reduced platelets vs standard platelets
RR 2.74 [1.84, 4.07]6 studies · 1115 participantsHigh
Lab response ‐ 24‐hour corrected count increment (CCI)
Pathogen‐reduced platelets vs standard platelets
no estimate extracted6 studies · 1271 participantsHigh