What do systematic reviews say?

Heparin started before vs after the surgical procedure

The review found no eligible studies for this question.

• 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

It is very uncertain whether higher‐dose heparin changes adverse events (thrombocytopenia) compared with standard‐dose heparin (very low certainty).

• Pharmacological interventions for preventing venous thromboembolism in people undergoing bariatric surgery 2022 · Cochrane Headline outcomes only
  RR 1.1 [0.07, 17.4]
  2 studies · 310 participants
  Very low

Intervention not reported

The intervention probably leads to lower all VTE (subgroup analysis open only) (moderate certainty).

• Prolonged thromboprophylaxis with low molecular weight heparin for abdominal or pelvic surgery 2019 · Cochrane Headline outcomes only
  OR 0.42 [0.29, 0.6]
  6 studies · 1503 participants
  Moderate

Intervention not reported

The intervention probably leads to lower all DVT (subgroup analysis open only) (moderate certainty).

• Prolonged thromboprophylaxis with low molecular weight heparin for abdominal or pelvic surgery 2019 · Cochrane Headline outcomes only
  OR 0.43 [0.3, 0.62]
  6 studies · 1503 participants
  Moderate

NPWT 75 mmHg vs usual care

The review found no eligible studies for this question.

• Negative pressure wound therapy for open traumatic wounds 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

NPWT 125 mmHg vs NPWT 75 mmHg

The review found no eligible studies for this question.

• Negative pressure wound therapy for open traumatic wounds 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

NPWT 125 mmHg vs usual care

• Negative pressure wound therapy for open traumatic wounds 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 151 participants
  Very low

NPWT 125 mmHg vs usual care

The review found no eligible studies for this question.

• Negative pressure wound therapy for open traumatic wounds 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 413 participants
  Moderate

Intervention not reported

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 104 participants
  Low

Intervention not reported

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  13 studies · 1388 participants
  Moderate

Intervention not reported

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 444 participants
  Low

Intervention not reported

The review found no eligible studies for this question.

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 200 participants
  Moderate

Intervention not reported

The review found no eligible studies for this question.

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  no estimate extracted
  14 studies · 1586 participants
  Moderate

Intervention not reported

It is very uncertain whether the intervention changes number of participants below 30/100 mm on the visual analogue scale… (very low certainty).

• Psychological interventions for acute pain after open heart surgery 2017 · Cochrane Headline outcomes only
  RR 1.2 [0.68, 2.12]
  1 study · 73 participants
  Very low