What do systematic reviews say?

Thrombolytic therapy vs heparin: primary outcome measures

Thrombolytic therapy probably leads to higher major haemorrhagic events (duration of compared with heparin: primary outcome measures (moderate certainty).

• Thrombolytic therapy for pulmonary embolism 2021 · Cochrane Headline outcomes only
  OR 2.84 [1.92, 4.2]
  15 studies · 2101 participants
  Moderate