Findings

What do systematic reviews say?

4,667 questions · 21,760 findings · 2,177 reviews

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No studies found 4,173 · 19.2%GRADE not reported 2,300 · 10.6%Very low 5,276 · 24.2%Low 5,764 · 26.5%Moderate 3,298 · 15.2%High 949 · 4.4%

Ranked among the 5,000 newest matching findings; add words or filters to narrow the search.

Heparin vs pentasaccharide

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 · 198 participants
Very low

Heparin vs pentasaccharide

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 · 198 participants
Very low

Heparin vs pentasaccharide

PE · 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 · 198 participants
Very low

Heparin vs pentasaccharide

Deep vein thrombosis · people undergoing bariatric surgery

Heparin showed no clear difference in DVT compared with pentasaccharide (low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 0.83 [0.19, 3.61]
1 study · 175 participants
Low

Heparin vs pentasaccharide

Thrombocytopenia · people undergoing bariatric surgery

It is very uncertain whether heparin changes adverse events (thrombocytopenia) compared with pentasaccharide (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 0.34 [0.01, 8.25]
1 study · 198 participants
Very low

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

Higher‐dose heparin vs standard‐dose heparin

Major bleeding · people undergoing bariatric surgery

Higher‐dose heparin showed no clear difference in major bleeding compared with standard‐dose heparin (low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 1.19 [0.48, 2.96]
4 studies · 597 participants
Low

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

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

Total VTE · people undergoing bariatric surgery

Combined mechanical and pharmacological prophylaxis may leads to lower VTE compared with mechanical prophylaxis alone (low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 0.05 [0, 0.89]
1 study · 150 participants
Low

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

Major bleeding · 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 · 150 participants
Low

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

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 · 150 participants
Low

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

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 · 150 participants
Low

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

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

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

Deep vein thrombosis · people undergoing bariatric surgery

Combined mechanical and pharmacological prophylaxis may leads to lower DVT compared with mechanical prophylaxis alone (low certainty).

1 finding from 1 review

Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
RR 0.05 [0, 0.89]
1 study · 150 participants
Low

IPC plus pharmacological prophylaxis vs mechanical prophylaxis alone

Adverse events · 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