Cochrane · systematic review · CD012815

Marine‐derived n‐3 fatty acids therapy for stroke

Alvarez Campano, CG, Macleod, MJ, Aucott, L, et al. · Cochrane Database of Systematic Reviews · 2022 · Cochrane Library

Stroke2 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
12
No studies
2
Included studies
NR
No studies 2 · 14.3%Ungraded 0 · 0%Very low 5 · 35.7%Low 7 · 50%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

Current version only

Marine‐derived n‐3 fatty acids therapy compared to no marine‐derived n‐3 fatty acids therapy for stroke: short follow‐up (three months or less)

Population: stroke and/or TIA
CD012815.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Primary outcome: efficacy (functional outcome)
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
RR 0.78 [0.36, 1.68]1 study · 40 participantsVery low
Downgraded: risk of bias
Vascular‐related death
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted2 studies · 142 participantsLow
Downgraded: risk of bias, imprecision
Recurrent events: fatal or non‐fatal (same type of stroke, i.e. ischaemic or haemorrhagic)
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
RR 0.41 [0.02, 8.84]1 study · 18 participantsVery low
Downgraded: risk of bias, imprecision
Incidence of other type of stroke (ischaemic or haemorrhagic): fatal or non‐fatal
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted2 studies · 58 participantsVery low
Downgraded: risk of bias
Adverse events
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted2 studies · 57 participantsVery low
Downgraded: risk of bias, imprecision
Health‐related quality of life
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 102 participantsLow
Downgraded: risk of bias, imprecision
Mood
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 102 participantsLow
Downgraded: risk of bias, imprecision

Marine‐derived n‐3 fatty acids therapy compared to no marine‐derived n‐3 fatty acids therapy for stroke: follow‐up longer than three months

Population: stroke and/or TIA
CD012815.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Primary outcome: Efficacy (functional outcome)
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 52 participantsVery low
Downgraded: risk of bias
Vascular‐related death
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
RR 1.02 [0.78, 1.35]5 studies · 2237 participantsLow
Downgraded: risk of bias, imprecision
Recurrent events (both ischaemic and haemorrhagic stroke)
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
RR 0.69 [0.31, 1.55]3 studies · 1819 participantsLow
Downgraded: risk of bias, imprecision
Incidence of other type of stroke ‒ not measured
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extractedNRNo studies
Adverse events
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
RR 0.94 [0.56, 1.58]1 study · 1455 participantsLow
Downgraded: risk of bias, imprecision
Quality of life ‒ not measured
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extractedNRNo studies
Mood
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 14 participantsLow
Downgraded: risk of bias, imprecision

Marine‐derived n‐3 fatty acids therapy compared to No marine‐derived n‐3 fatty acids therapy for stroke. Short follow‐up (three months or less)

Population: stroke and/or TIA
CD012815.PUB2 · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Efficacy (functional outcome)
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
RR 0.78 [0.36, 1.68]1 study · 40 participantsVery low
Downgraded: risk of bias
Vascular‐related death
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted2 studies · 142 participantsLow
Downgraded: risk of bias, imprecision
Recurrent events: fatal or non‐fatal (same type of stroke, i.e. ischaemic or haemorrhagic)
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
RR 0.41 [0.02, 8.84]1 study · 18 participantsVery low
Downgraded: risk of bias, imprecision
Incidence of other type of stroke (ischaemic or haemorrhagic): fatal or non‐fatal
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted2 studies · 58 participantsVery low
Downgraded: risk of bias
Adverse events
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted2 studies · 57 participantsVery low
Downgraded: risk of bias, imprecision
Health‐related quality of life
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 102 participantsLow
Downgraded: risk of bias, imprecision
Mood
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 102 participantsLow
Downgraded: risk of bias, imprecision

Marine‐derived n‐3 fatty acids therapy compared to No marine‐derived n‐3 fatty acids therapy for stroke. Follow‐up longer than three months

Population: stroke and/or TIA
CD012815.PUB2 · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Efficacy (functional outcome)
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 52 participantsVery low
Downgraded: risk of bias
Vascular‐related death
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
RR 1.02 [0.78, 1.35]5 studies · 2237 participantsLow
Downgraded: risk of bias, imprecision
Recurrent events (both ischaemic and haemorrhagic stroke)
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
RR 0.69 [0.31, 1.55]3 studies · 1819 participantsLow
Downgraded: risk of bias, imprecision
Incidence of other type of stroke ‒ not measured
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extractedNRNo studies
Adverse events
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
RR 0.94 [0.56, 1.58]1 study · 1455 participantsLow
Downgraded: risk of bias, imprecision
Quality of life ‒ not measured
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extractedNRNo studies
Mood
Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy
no estimate extracted1 study · 14 participantsLow
Downgraded: risk of bias, imprecision