Participants who received AC + PI reported significantly less pain on walking on PODs 1 and 2 compared with those who received AC only or PI only.
Background: There has been an increase in opioid usage and opioid-related deaths. Opioids prescribed to surgical patients have similarly increased. The aim of this study was to assess opioid consumption in patients undergoing laparoscopic appendectomy (LA) and laparoscopic cholecystectomy (LC) and to determine whether a standardized prescription could affect opioid consumption without affecting patient satisfaction. Methods: Patients undergoing LA or LC were recruited prospectively during 2 time periods (April to June 2017 and November 2017 to January 2018). In the first phase, surgeons continued their usual postoperative analgesia prescribing patterns. In the second phase, a standardized prescription was implemented. Patients were contacted by telephone and a questionnaire was completed for both phases of the study. The primary outcome was the quantity of opioids prescribed and consumed. Results: In the first phase, 166 patients who underwent LC or LA were recruited. The median number of prescribed opioid tablets was 20 and the median number consumed was 2. Ninety-five percent of patients reported satisfaction with their analgesia. Based on these results, a standardized prescription for multimodal analgesia was implemented for the second phase, consisting of 10 opioid tablets. In the second phase, 129 patients who underwent LA or LC were recruited. There was a significant decrease in the median number of opioid pills filled (10) and consumed (0), with no difference in reported satisfaction with analgesia. Conclusion: Patients are prescribed an excess of opioids after LA or LC. Implementation of a standardized prescription based on a quality improvement intervention was effective at decreasing the number of opioids prescribed and consumed.
To the Editor: The use of epidural narcotics for analgesia after thoracotomy is a well accepted technique. Epidural analgesia studied in the postthoracotomy patient usually involves fentanyl alone or with bupivacaine in concentrations up to 12.5 ~g-ml -I at rates up to 1.9 ~g. kg -~-hr -~. ~,2We would like to report the use of bupivicaine 0.1% and fentanyl 2 ~g. ml-I infusion administered via a thoracic epidural for postthoracotomy pain. Informed consent was obtained from all patients. Fifteen ASA physical status I-III patients who were scheduled for elective thoracotomy were studied. The only anaesthetic restrictions were the administration of opioids and the conduct of the epidural. The epidural catheter was introduced using a midline approach between the fifth and eighth thoracic vertebral interspaces and advanced 2-3 cm eephalad before induction of anaesthesia. An epidural test dose of 3 ml of CO2 xylocaine 2% was administered to confirm correct placement of the catheter. Intravenous fentanyl could be administered on or shortly after induction of anaesthesia up to 2 Isg" kg -1. The initial bolus administered after induction and patient positioning was 15-20 ml of bupivicaine 0.1% with 5 ~g. ml-~j fentanyl. An epidural infusion of bupivacaine and 2 ~g. ml -I fentanyl was started at 10 ml. hr -~ intraoperatively. The patients were studied for 24 hr postoperatively and were required to evaluate their pain and level of pruritus using visual analogue scales (0--I0 cm line). If the VAS pain score was >3 the patient was given an epidural bolus of 50-75 I~g fentanyl in 10 ml saline and the infusion was increased to 15 ml-hr-~. If the VAS pain score was still > 3 the bolus dose was repeated and the infusion increased to 20 ml. hr -I. Nalbuphine 10-20 mg/v could be administered for nonincisional pain and diphenhydramine 50 mg followed by naloxone 0.1 mg/v for treatment of pruritus. The VAS pain and pruritus scores,were done every six hours or after any of these medications were administered. All patients achieved excellent analgesia (VAS <3) during the study period. Eight patients required only the basal infusion rate. Five more were analgesic with infusion rates of <15 ml. hr -l. Two patients required an infusion of 20 ml. hr -l. Only three patients (20%) required treatment for pruritus (VAS >3). Neither diphenhydramine nor naloxone seemed to affect the pain scores. Five patients maintained a PCO2 between 45 and 58 or pH <7.35.We believe the described technique is efficacious in providing effective postoperative analgesia for thoracotomy utilizing fentanyl at a concentration and dosage lower than previously described. This reduced fentanyl dose was at the cost of a higher dose of bupivacaine by virtue of the high volumes infused. ~-3 Whether or not this relates to any improvement in morbidity or compares to other analgesic techniques will require more study.
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