Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews

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No studies found 2 · 28.6%GRADE not reported 0 · 0%Very low 3 · 42.9%Low 2 · 28.6%Moderate 0 · 0%High 0 · 0%

Heparin started before vs after the surgical procedure

Total VTE · people undergoing bariatric surgery

Heparin started before showed no clear difference in VTE compared with after the surgical procedure (low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 0.11 [0.01, 2.01]
1 study · 100 participants
Low

Heparin started before vs after the surgical procedure

Major bleeding · people undergoing bariatric surgery

It is very uncertain whether heparin started before changes major bleeding compared with after the surgical procedure (very low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 3 [0.13, 71.92]
1 study · 100 participants
Very low

Heparin started before vs after the surgical procedure

All‐cause mortality · people undergoing bariatric surgery

1 finding from 1 review

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

Heparin started before vs after the surgical procedure

VTE‐related mortality4 · people undergoing bariatric surgery

1 finding from 1 review

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

Heparin started before vs after the surgical procedure

PE · people undergoing bariatric surgery

The review found no eligible studies for this question.

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Heparin started before vs after the surgical procedure

Deep vein thrombosis · people undergoing bariatric surgery

Heparin started before showed no clear difference in DVT compared with after the surgical procedure (low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 0.11 [0.01, 2.01]
1 study · 100 participants
Low

Heparin started before vs after the surgical procedure

Thrombocytopenia · people undergoing bariatric surgery

The review found no eligible studies for this question.

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found