What do systematic reviews say?

Heparin vs pentasaccharide

• Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 198 participants
  Very low

Heparin started before vs after the surgical procedure

• Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 100 participants
  Very low

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

• Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 150 participants
  Low

Higher‐dose heparin vs standard‐dose heparin

• Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 597 participants
  Low

Tranexamic acid vs placebo

• Drugs to reduce bleeding and transfusion in major open vascular or endovascular surgery: a systematic review and… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 100 participants
  Very low

Summary of findings: Fibrin sealant vs usual care

It is very uncertain whether summary of findings: Fibrin sealant changes all‐cause mortality up to 30 days compared with usual care (very low certainty).

• Drugs to reduce bleeding and transfusion in major open vascular or endovascular surgery: a systematic review and… 2023 · Cochrane Headline outcomes only
  RR 0.44 [0.11, 1.76]
  3 studies · 585 participants
  Very low

Hand‐assisted laparoscopic repair vs EVAR

The review found no eligible studies for this question.

• Laparoscopic surgery for elective abdominal aortic aneurysm repair 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found