Higher‐dose heparin showed no clear difference in major bleeding compared with standard‐dose heparin (low certainty).
Heparin started before showed no clear difference in DVT compared with after the surgical procedure (low certainty).
The review found no eligible studies for this question.
Combined mechanical and pharmacological prophylaxis may leads to lower VTE compared with mechanical prophylaxis alone (low certainty).
The review found no eligible studies for this question.
Combined mechanical and pharmacological prophylaxis may leads to lower DVT compared with mechanical prophylaxis alone (low certainty).
The review found no eligible studies for this question.
It is very uncertain whether higher‐dose heparin changes PE compared with standard‐dose heparin (very low certainty).
It is very uncertain whether higher‐dose heparin changes DVT compared with standard‐dose heparin (very low certainty).
It is very uncertain whether higher‐dose heparin changes adverse events (thrombocytopenia) compared with standard‐dose heparin (very low certainty).
Heparin showed no clear difference in VTE compared with pentasaccharide (low certainty).
It is very uncertain whether heparin changes major bleeding compared with pentasaccharide (very low certainty).
Electromagnetic‐guided showed no clear difference in technical success in insertion compared with endoscopic‐guided postpyloric placement of nasoenteral feeding tubes (low certainty).
Electromagnetic‐guided showed no clear difference in aspiration pneumonitis compared with endoscopic‐guided postpyloric placement of nasoenteral feeding tubes (low certainty).