Comparación de la efectividad de fentanilo versus morfina en dolor severo postoperatorio. Ensayo clínico aleatorizado, doble ciego

Morphine and fentanyl were equally effective in treating severe POP after 5 minutes and following intervals after rescue analgesia was initiated, during 25 minutes at PACU, with no differences in efficacy or adverse effects between groups (Register # NCT02145975 clinicaltrials.gov, prospective).