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Do A, Rorison E, Borucki A, Shibata GS, Pomerantz JH, Hoffman WY. Opioid-free Pain Management after Cleft Lip Repair. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2023; 11:e5259. [PMID: 37691705 PMCID: PMC10489184 DOI: 10.1097/gox.0000000000005259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 07/21/2023] [Indexed: 09/12/2023]
Abstract
Background Side effects of opioid pain management after surgical repair of cleft lips are numerous and affect postoperative course. We compared opioid versus opioid-free pain management regimens for infants who underwent cleft lip repair to evaluate the impact on postoperative recovery. Methods Cleft lip repairs at our institution from December 2016 to February 2021 were retrospectively reviewed, comparing patients who received opioids to patients receiving a nonopioid pain control regimen. Data collected include length of stay, oral morphine equivalents (OME) received on day of surgery (DOS)/postoperative day (POD) 1, time to and volume of first oral feed, and Face/Legs/Activity/Cry/Consolability (FLACC) scores. Results Seventy-three infants were included (47 opioid and 26 nonopioid). The opioid group received average 1.75 mg OME on DOS and 1.04 mg OME on POD1. Average DOS FLACC scores were similar between groups [1.57 ± 1.18 nonopioid versus 1.76 ± 0.94 (SD) opioid; P = 0.46]. Average POD1 FLACC scores were significantly lower for the nonopioid group (0.73 ± 1.05 versus 1.35 ± 1.06; P = 0.022). Median time to first PO (min) was similar [178 (interquartile range [IQR] 66-411) opioid versus 147 (IQR 93-351) nonopioid; P = 0.65]. Median volume of first feed (mL) was twice as high for the nonopioid group [90 (IQR 58-120) versus 45 (IQR 30-60); P = 0.003]. Conclusions Nonopioid postoperative pain management was more effective than opioids for pain management in infants after cleft lip repair, as evidenced by FLACC scores and increased volume of the first oral feed.
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Affiliation(s)
- Annie Do
- From the Division of Plastic & Reconstructive Surgery, Department of Surgery, University of California San Francisco; San Francisco, Calif
| | - Eve Rorison
- From the Division of Plastic & Reconstructive Surgery, Department of Surgery, University of California San Francisco; San Francisco, Calif
| | - Amber Borucki
- Department of Anesthesia, University of California San Francisco; San Francisco, Calif
| | - Gail S. Shibata
- Department of Anesthesia, University of California San Francisco; San Francisco, Calif
| | - Jason H. Pomerantz
- From the Division of Plastic & Reconstructive Surgery, Department of Surgery, University of California San Francisco; San Francisco, Calif
| | - William Y. Hoffman
- From the Division of Plastic & Reconstructive Surgery, Department of Surgery, University of California San Francisco; San Francisco, Calif
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The Impact of Parecoxib on Pain Management for Laparoscopic Cholecystectomy: A Meta-analysis of Randomized Controlled Trials. Surg Laparosc Endosc Percutan Tech 2019; 29:69-74. [DOI: 10.1097/sle.0000000000000626] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Postoperative Pain, an Unmet Problem in Day or Overnight Italian Surgery Patients: A Prospective Study. Pain Res Manag 2016; 2016:6104383. [PMID: 28115878 PMCID: PMC5225384 DOI: 10.1155/2016/6104383] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 10/18/2016] [Accepted: 12/05/2016] [Indexed: 11/17/2022]
Abstract
Background. Because of economic reasons, day surgery rates have steadily increased in many countries and the trend is to perform around 70% of all surgical procedures as day surgery. Literature shows that postoperative pain treatment remains unfulfilled in several fields such as orthopedic and general surgery patients. In Italy, the day surgery program is not yet under governmental authority and is managed regionally by local practices. Aim. To investigate the trends in pain intensity and its relation to type of surgeries and pain therapy protocols, in postoperative patients, discharged from three different Ambulatory Surgeries located in North West Italy (Piedmont region). Method. The present study enrolled 276 patients who undergone different surgical procedures in ambulatory regimen. Patients recorded postoperative pain score twice a day, compliance with prescribed drugs, and pain related reasons for contacting the hospital. Monitoring lasted for 7 days. Results. At discharge, 72% of patients were under weak opioids, 12% interrupted the treatment due to side effects, 17% of patients required extra drugs, and 15% contacted the hospital reporting pain problems. About 50% of patients experienced moderate pain during the first day after surgery. Results from our study show that most of the patients experienced avoidable pain after discharge.
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Chirurgie bariatrique en ambulatoire : étude observationnelle à propos de 68 sleeve gastrectomies. ACTA ACUST UNITED AC 2014; 33:497-502. [PMID: 25282446 DOI: 10.1016/j.annfar.2014.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 09/25/2013] [Indexed: 01/07/2023]
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Shuying L, Xiao W, Peng L, Tao Z, Ziying L, Liang Z. Preoperative intravenous parecoxib reduces length of stay on ambulatory laparoscopic cholecystectomy. Int J Surg 2014; 12:464-8. [PMID: 24681179 DOI: 10.1016/j.ijsu.2014.03.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Revised: 02/14/2014] [Accepted: 03/20/2014] [Indexed: 02/05/2023]
Abstract
BACKGROUND The complexity of pain after laparoscopic cholecystectomy (LC) needs multi-module analgesia. Opioids are widely used for perioperative pain but associated with numerous adverse effects. We investigated the effect of parecoxib administrated preoperatively and postoperatively for analgesia after ambulatory laparoscopic cholecystectomy. METHODS 120 patients scheduled for ambulatory LC with general anesthesia were randomly assigned to three groups: group A received 40 mg parecoxib injection 30-45 min before anesthesia induction and 4 ml saline injection when gallbladder was removed; group B received 4 ml saline injection 30-45 min before anesthesia induction and 40 mg parecoxib injection when gallbladder was removed; group C received 4 ml saline injection 30-45 min before anesthesia induction and the time when gallbladder was removed. We recorded the time achieve to modified Aldrete's score > 9 in the post-anesthesia care unit (PACU) and modified Post-Anesthetic Discharge Scoring System (PADSS) > 9 in ambulatory unit. The visual analog scale (VAS) was used to assess the degree of the postoperative pain in the first 24 h, and the numbers of patients who need additional analgesic and postoperative adverse effects were also recorded. RESULTS Patients of group A had a shorter length of stay (LOS) in PACU compared to these of group B and group C (32.4 ± 7.2 min vs. 39.1 ± 10.4 min and 42.2 ± 7.6 min, P < 0.05). Patients of group A also had a shorter discharge time compared to these of group B and group C (148.4 ± 39.3 min vs. 187.9 ± 47.7 min and 223.4 ± 52.5 min, P < 0.05). Moreover, patients of group A experienced reduced pain intensity, less postoperative side effect, and less additional analgesic requirement. CONCLUSION Preoperative administration of parecoxib for postoperative analgesia provided significant effect on reducing PACU length of stay (LOS) and discharge time, and improving patient outcome after ambulatory LC.
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Affiliation(s)
- Li Shuying
- Department of Anesthesiology, West China Hospital, Sichuan University, China
| | - Wang Xiao
- Department of Anesthesiology, West China Hospital, Sichuan University, China.
| | - Liang Peng
- Department of Anesthesiology, West China Hospital, Sichuan University, China
| | - Zhu Tao
- Department of Anesthesiology, West China Hospital, Sichuan University, China
| | - Lu Ziying
- Department of Anesthesiology, West China Hospital, Sichuan University, China
| | - Zhao Liang
- Department of Anesthesiology, West China Hospital, Sichuan University, China
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Mitra S, Khandelwal P, Roberts K, Kumar S, Vadivelu N. Pain Relief in Laparoscopic Cholecystectomy-A Review of the Current Options. Pain Pract 2011; 12:485-96. [DOI: 10.1111/j.1533-2500.2011.00513.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Akaraviputh T, Leelouhapong C, Lohsiriwat V, Aroonpruksakul S. Efficacy of perioperative parecoxib injection on postoperative pain relief after laparoscopic cholecystectomy: A prospective, randomized study. World J Gastroenterol 2009; 15:2005-8. [PMID: 19399934 PMCID: PMC2675092 DOI: 10.3748/wjg.15.2005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the efficacy of perioperative parecoxib injection on postoperative pain relief after laparoscopic cholecystectomy.
METHODS: A prospective, double-blind, randomized, placebo-controlled study was conducted on 70 patients who underwent elective laparoscopic cholecystectomy under general anesthesia at Siriraj Hospital, Bangkok, from January 2006 to December 2007. Patients were randomized to receive either 20 mg parecoxib infusion 30 min before induction of anesthesia and at 12 h after the first dose (treatment group), or normal saline infusion, in the same schedule, as a placebo (control group). The degree of the postoperative pain was assessed every 3 h in the first 24 h after surgery, and then every 12 h the following day, using a visual analog scale. The consumption of analgesics was also recorded.
RESULTS: There were 40 patients in the treatment group, and 30 patients in the control group. The pain scores at each time point, and analgesic consumption did not differ between the two groups. However, there were fewer patients in the treatment group than placebo group who required opioid infusion within the first 24 h (60% vs 37%, P = 0.053).
CONCLUSION: Perioperative administration of parecoxib provided no significant effect on postoperative pain relief after laparoscopic cholecystectomy. However, preoperative infusion 20 mg parecoxib could significantly reduce the postoperative opioid consumption.
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Gramke HF, de Rijke JM, van Kleef M, Raps F, Kessels AGH, Peters ML, Sommer M, Marcus MAE. The prevalence of postoperative pain in a cross-sectional group of patients after day-case surgery in a university hospital. Clin J Pain 2007; 23:543-8. [PMID: 17575496 DOI: 10.1097/ajp.0b013e318074c970] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Although a great variety of surgical procedures are performed on an ambulatory basis, little is known about postoperative pain experience at home after ambulatory surgery. This study was performed to assess the prevalence and course of postoperative pain in the early postoperative period after ambulatory surgery. METHODS Over a period of 4 months, 648 patients who underwent day-case surgery were included in our study. Data were collected with interviews and questionnaires. Pain intensity was measured using a visual analog scale (VAS) during 4 days after surgery. Side effects of anesthesia and analgesia techniques were also recorded. RESULTS On the day of the operation, 26% of the patients had moderate to severe pain (defined as mean VAS >40 mm). Mean VAS-scores were greater than 40 mm in 21% on postoperative day (POD) 1, in 13% on POD 2, in 10% on POD 3, and in 9% on POD 4. Operations of nose and pharynx, abdominal operations, plastic surgery of the breasts, and orthopedic operations were the most painful procedures during the first 48 hours. DISCUSSION This study showed that an important number of patients still experience moderate to severe pain in the postoperative period after day-case surgery even after a 4-day period. Furthermore, the type of operation should be considered when planning postoperative analgesia for ambulatory surgery.
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Affiliation(s)
- Hans-Fritz Gramke
- Department of Anesthesiology and Pain Therapy, University Hospital Maastricht, Maastricht, The Netherlands.
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Abstract
Pain is a common complaint in children after surgery. Four out of five children require analgesia even after minor surgery, and after more extensive surgery, significant postoperative pain may last for weeks. Severe pain during, and after surgery may aggravate long-lasting negative effects to the body and mind. In order to prevent harmful effects, all children should be provided with effective analgesia. Pain management should be safe and easy to administer. Postoperative pain management in children has improved substantially during the last 5 years. Recent trials indicate that children may undergo major surgery with minimal untoward effects when effective proactive pain management is provided. This review will focus on new clinical strategies on pain management in children. Since most pediatric surgery is performed as a day-case or short-stay basic recommendations for parental guidance and pain management after discharge are also presented.
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Affiliation(s)
- Hannu Kokki
- Department of Pharmacology and Toxicology, Clinical Pharmacology, University of Kuopio, PO Box 1627, FIN 70211, Kuopio, Finland.
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Watt-Watson J, Chung F, Chan VWS, McGillion M. Pain management following discharge after ambulatory same-day surgery. J Nurs Manag 2004; 12:153-61. [PMID: 15089952 DOI: 10.1111/j.1365-2834.2004.00470.x] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
AIM AND BACKGROUND Same-day surgeries are becoming routine for many surgical procedures. However, the degree to which patients need help with pain management at home following laparoscopic cholecystectomy (LC), shoulder, or hand ambulatory day surgery has received minimal examination. This study examined pain and related interference, analgesic use and adverse events, complications and resources utilized, and adequacy of postdischarge information at four time periods. METHODS Data were collected from 180 patients by telephone interviews at 24, 48 and 72 hours, and 7 days after discharge. Patients (n = 78 hand, 48 shoulder, 54 LC surgery) were on average 41 years old. RESULTS For all patients, worst 24-hour pain was reported as moderate to severe at all time periods. Using repeated measures anova demonstrated that shoulder patients had significantly more pain and overall pain-related interference, particularly in sleep and work, from 24 hours to day 7 than did hand or LC patients. The main analgesic taken was acetaminophen (paracetamol) with codeine 30 mg; 50% took no analgesia from 72 hours. About 20% experienced analgesic adverse events within 72 hours, mainly constipation and nausea. Only </=6% used non-pharmacological strategies. Bleeding (4%) and sore throat (11%) at 24-48 hours were identified as complications; six patients (4%) called their physician. Most patients received no information about analgesic use with inadequate pain relief and/or adverse events. CONCLUSIONS Despite the considerable pain reported across all time periods, analgesic use and other interventions were minimal. Adverse events, which were problematic for some, may explain why patients stopped analgesics despite pain. These data support further research on more effective pain interventions and related education for day-surgery patients after discharge.
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Affiliation(s)
- Judy Watt-Watson
- Faculty of Nursing, and Centre for the Study of Pain, University of Toronto, Ontario, Canada.
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Gan TJ, Joshi GP, Viscusi E, Cheung RY, Dodge W, Fort JG, Chen C. Preoperative Parenteral Parecoxib and Follow-Up Oral Valdecoxib Reduce Length of Stay and Improve Quality of Patient Recovery After Laparoscopic Cholecystectomy Surgery. Anesth Analg 2004; 98:1665-1673. [PMID: 15155324 DOI: 10.1213/01.ane.0000117001.44280.f3] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
UNLABELLED In this randomized, double-blinded, placebo-controlled study, we evaluated the effects of preoperative IV parecoxib sodium (parecoxib) followed by postoperative oral valdecoxib on length of stay, resource utilization, opioid-related side effects, and patient recovery after elective laparoscopic cholecystectomy. Patients were randomized to receive a single IV dose of parecoxib 40 mg (n = 134) or placebo (n = 129) 30-45 min before the induction of anesthesia. Six to 12 h after the IV dose, the parecoxib group received a single oral dose of valdecoxib 40 mg, followed by valdecoxib 40 mg once daily on postoperative Days 1-4 and then 40 mg once daily as needed on Days 5-7. Patients in the parecoxib/valdecoxib group had a shorter length of stay in the postanesthesia care unit (78 +/- 47 min) compared with those taking placebo (90 +/- 49 min; P < 0.05). Patients in the parecoxib/valdecoxib group also had reduced pain intensity and, after discharge, experienced a significant reduction in vomiting in the first 24 h, slept better, returned to normal activity earlier, and expressed greater satisfaction than placebo patients (P < 0.05). Preoperative parecoxib followed by postoperative valdecoxib is a valuable adjunct for treating pain and improving patient outcome after laparoscopic cholecystectomy. IMPLICATIONS The administration of preoperative IV parecoxib followed by oral valdecoxib after surgery resulted in a shorter length of stay in the postoperative anesthesia care unit, a better quality of postoperative recovery, and a faster return to normal activity, with greater patient satisfaction, after laparoscopic cholecystectomy.
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Affiliation(s)
- Tong J Gan
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina
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Joshi GP, Viscusi ER, Gan TJ, Minkowitz H, Cippolle M, Schuller R, Cheung RY, Fort JG. Effective Treatment of Laparoscopic Cholecystectomy Pain with Intravenous Followed by Oral COX-2 Specific Inhibitor. Anesth Analg 2004; 98:336-342. [PMID: 14742366 DOI: 10.1213/01.ane.0000093390.94921.4a] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
UNLABELLED In this multicenter, double-blinded, randomized, placebo-controlled study we evaluated the analgesic and opioid-sparing efficacy of a preoperative dose of i.v. parecoxib followed by oral valdecoxib in treating pain associated with elective laparoscopic cholecystectomy. Patients were randomized to receive a single i.v. dose of parecoxib 40 mg (n = 134) or placebo (n = 129) 30-45 min before induction of anesthesia. Six to 12 h after the i.v. dose, the parecoxib group received a single oral dose of valdecoxib 40 mg, followed by valdecoxib 40 mg qd on postoperative days 1-4, then 40 mg qd prn days 5-7. The placebo i.v. group received oral placebo on an identical schedule. All patients were allowed supplemental i.v. fentanyl as needed during the first 4 h postoperatively (T0-240 min) followed by hydrocodone 5 mg/acetaminophen 500 mg (Vicodin(R); 1-2 tablets orally every 4-6 h as needed). Patients taking parecoxib used 21% less fentanyl than those receiving placebo (P = 0.011). The mean area under the curve of pain intensity (PI) scores over time from T0-240 min was 55.2 for parecoxib and 61.2 for placebo (P = 0.083). At T180 and T240 min, mean PI score was 7.0 and 7.6 points lower in the parecoxib group, respectively (P < 0.02). Fewer patients on valdecoxib required supplemental analgesics (P < 0.05) after discharge. At T240 min and at day 7, Patient's and Physician's/Nurse's Global Evaluations were significantly better in the parecoxib/valdecoxib group (P < 0.05). Incidences of adverse events, adverse events causing withdrawal, and serious adverse events were less for parecoxib/valdecoxib than for placebo. The authors conclude that preoperative parecoxib is a valuable opioid-sparing adjunct to the standard of care for treating pain after laparoscopic cholecystectomy, and subsequent treatment with oral valdecoxib extends this clinical benefit. IMPLICATIONS Parecoxib 40 mg i.v., 30-45 min preoperatively followed by oral valdecoxib 40 mg qd reduced opioid requirements and provided superior pain relief as well as improved patient global evaluation after laparoscopic cholecystectomy.
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Affiliation(s)
- Girish P Joshi
- From the Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas
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15
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Abstract
Fast-tracking in outpatient surgery is a new paradigm that allows for rapid throughput and early discharge, thereby facilitating perioperative efficiency. Compared with the conventional recovery process, bypassing the postanesthesia care unit reduces the time to discharge home. An ideal anesthetic technique for fast-tracking would provide for rapid emergence and the prevention of common postoperative complications such as pain, nausea, and vomiting using a multimodal approach.
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Affiliation(s)
- G P Joshi
- University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA.
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Abstract
The optimal management of postoperative pain is a prerequisite for early recovery and shorter hospital stays. The use of multimodal analgesia techniques involving the use of opioid and non-opioid (local anesthetics, ketamine, acetaminophen, and non-steroidal anti-inflammatory drugs) analgesic drugs can markedly enhance pain relief in the perioperative period.
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Affiliation(s)
- G P Joshi
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA.
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Is There a Learning Curve Associated with the Use of Remifentanil? Anesth Analg 2000. [DOI: 10.1213/00000539-200011000-00002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Joshi GP, Jamerson BD, Roizen MF, Fleisher L, Twersky RS, Warner DS, Colopy M. Is there a learning curve associated with the use of remifentanil? Anesth Analg 2000; 91:1049-55. [PMID: 11049882 DOI: 10.1097/00000539-200011000-00002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
UNLABELLED This study prospectively determined whether there was a learning curve with the use of remifentanil, as indicated by decreased hemodynamic variability, improved recovery profile, and decreased incidence of opioid-related adverse events with increasing experience. Patients undergoing diverse surgical procedures (outpatient [n = 1340] and inpatient [n = 560]) were enrolled by investigators (n = 190) who had no previous experience with remifentanil use. Each investigator enrolled 10 patients. A standardized protocol for administration of remifentanil was used. Data were analyzed to determine differences between the first three patients and the last three patients enrolled for each anesthesiologist in the study. There were no differences in hemodynamic variables between the first triad and the last triad in either outpatients or inpatients. Requirements for hypnotic drugs and the doses of remifentanil used were also similar between groups. Analgesic medications administered at the end of surgery and in the postanesthesia care unit (PACU) were similar between groups, except that the last triad in the outpatient group received smaller doses of fentanyl compared with the first triad. Times to response to verbal command, tracheal extubation, and operating room discharge did not differ between groups. However, patients in the last triad undergoing outpatient surgery had shorter times to eligibility for PACU discharge, but times to eligibility for discharge home did not differ. The overall incidence of all adverse events (i.e., hypotension, hypertension, muscle rigidity, respiratory depression, apnea, nausea, and vomiting) was less in the last triad as compared with the first triad. When analyzed separately, only the incidence of vomiting (in the outpatient group) was decreased in the last triad as compared with the first triad. This study suggests that there is a learning curve that aids reduction of minor adverse effects associated with the use of analgesic medications administered at the end of surgery in outpatients, which might have reduced the incidence of postoperative vomiting and the duration of PACU stay. IMPLICATIONS This study demonstrated that anesthesiologists rapidly acquire the ability to use remifentanil with limited experience. However, there is a learning curve that aids reduction of minor adverse effects associated with the use of analgesic medications administered at the end of surgery in outpatients, which might have reduced the incidence of postoperative vomiting and the duration of postanesthesia care unit stay.
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Affiliation(s)
- G P Joshi
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center at Dallas, Texas 75235-9068, USA.
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