What do systematic reviews say?

Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy

The review found no eligible studies for this question.

• Marine‐derived n‐3 fatty acids therapy for stroke 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy

Marine‐derived n‐3 fatty acids therapy showed no clear difference in recurrent events (both ischaemic and haemorrhagic stroke) compared with no marine‐derived n‐3 fatty acids therapy (low certainty).

• Marine‐derived n‐3 fatty acids therapy for stroke 2022 · Cochrane Headline outcomes only
  RR 0.69 [0.31, 1.55]
  3 studies · 1819 participants
  Low

Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy

• Marine‐derived n‐3 fatty acids therapy for stroke 2022 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 58 participants
  Very low

Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy

It is very uncertain whether marine‐derived n‐3 fatty acids therapy changes recurrent events: fatal or non‐fatal (same type of stroke, i.e.… compared with no marine‐derived n‐3 fatty acids therapy (very low certainty).

• Marine‐derived n‐3 fatty acids therapy for stroke 2022 · Cochrane Headline outcomes only
  RR 0.41 [0.02, 8.84]
  1 study · 18 participants
  Very low

Higher polyunsaturated fatty acid (PUFA) vs lower PUFA

Higher polyunsaturated fatty acid (PUFA) showed no clear difference in stroke compared with lower PUFA (low certainty).

• Polyunsaturated fatty acids for the primary and secondary prevention of cardiovascular disease 2018 · Cochrane Headline outcomes only
  RR 0.91 [0.58, 1.44]
  11 studies · 14742 participants
  Low

High vs low ALA omega‐3 fats

It is very uncertain whether high changes stroke compared with low alpha‐linolenic acid omega‐3 fats (very low certainty).

• Omega‐3 fatty acids for the primary and secondary prevention of cardiovascular disease 2020 · Cochrane Headline outcomes only
  RR 1.15 [0.66, 2.01]
  5 studies · 19327 participants
  Very low

High vs low long‐chain omega‐3 fats

High showed no clear difference in stroke compared with low long‐chain omega‐3 fats (moderate certainty).

• Omega‐3 fatty acids for the primary and secondary prevention of cardiovascular disease 2020 · Cochrane Headline outcomes only
  RR 1.02 [0.94, 1.12]
  31 studies · 138888 participants
  Moderate