3. Old stuff
          3.2. Old physio stuff (around 2005)
              3.2.5. Anaesthesia
 3.2.5.1. Post-operative nausea and vomiting 

Post-operative nausea and vomiting (PONV)

Risk factors

  • Female gender
    * Odds ratio ~ 3.6
  • Non-smoker
    * Odds ratio ~ 2
  • Past history of PONV or motion sickness
    * Odds ratio ~ 2
  • Use of opiates
    * Odds ratio ~ 2

 

Simple risk evaluation

Risk factors PONV in
Major surgery
PONV in
Minor surgery
0 10% 5%
1 20% 10%
2 40% 20%
3 60% ????40%
4 80% ????60%