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Table 1 Opioid use at baseline and after laparoscopic sleeve gastrectomy

From: Liposome bupivacaine for postsurgical pain in an obese woman with chronic pain undergoing laparoscopic gastrectomy: a case report

Day Drug Dosage × number of administrations/day IV morphine equivalent per dose Daily IV morphine equivalent dose per drug Total daily IV morphine equivalent opioid dose
Presurgery baseline
NA Transmucosal fentanyl citrate, oral 600μg × 4 15mg 60mg  
Morphine CR, oral 30mg × 2 10mg 20mg 80mg (+ tramadol)
Tramadol, oral 50mg as needed NAa NAa  
Administered in the operating room
1 Fentanyl, IV 925μg × 1 92.5mg 92.5mg  
Administered in the postanesthesia care unit
1 Hydromorphone, IV 0.5mg × 6 3.3mg 19.8mg  
Administered during hospital stay 164.1mg
1 Transmucosal fentanyl citrate, oral 200μg × 2 5mg 10mg
Morphine CR, oral 30mg × 1 10mg 10mg
Hydromorphone, IV 1mg × 4 6.7mg 26.8mg
Oxycodone + APAP, oral solution 10mg × 1 5mg 5mg
2 Transmucosal fentanyl citrate, oral 600μg × 2 15mg 30mg  
Morphine CR, oral 30mg × 2 10mg 20mg  
Hydromorphone, IV 1mg × 3 6.7mg 20.1mg 90.1mg
Oxycodone + APAP, oral solution 10mg × 3 5mg 20mg
5mg × 2 2.5mg
3 (before discharge) Transmucosal fentanyl citrate, oral 600μg × 3 15mg 45mg  
Morphine CR, oral 30mg × 1 10mg 10mg 60mg
Oxycodone + APAP, oral solution 10mg × 1 5mg 5mg
  1. aConversion of oral tramadol to morphine equivalent not available. APAP, acetaminophen; CR, controlled-release; IV, intravenous; NA, not applicable.