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Alfirevic A, Almonacid-Cardenas F, Yalcin EK, Shah K, Kelava M, Sessler DI, Turan A. Blood bupivacaine concentrations after pecto-serratus and serratus anterior plane injections of plain and liposomal bupivacaine in robotically-assisted mitral valve surgery: Sub-study of a randomized trial. J Clin Anesth 2024; 95:111470. [PMID: 38604047 DOI: 10.1016/j.jclinane.2024.111470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/06/2024] [Accepted: 04/07/2024] [Indexed: 04/13/2024]
Abstract
STUDY OBJECTIVE To investigate the timing of peak blood concentrations and potential toxicity when using a combination of plain and liposomal bupivacaine for thoracic fascial plane blocks. DESIGN Pharmacokinetic analysis. SETTING Operating room. PATIENTS Eighteen adult patients undergoing robotically-assisted mitral valve surgery. INTERVENTIONS Ultrasound-guided pecto-serratus and serratus anterior plane blocks using a mixture of 0.5% bupivacaine HCl up to 2.5 mg/kg and liposomal bupivacaine up to 266 mg. MEASUREMENTS Arterial plasma bupivacaine concentration. MAIN RESULTS Samples from 13 participants were analyzed. There was substantial inter-patient variability in plasma concentrations. A geometric mean maximum bupivacaine concentration was 1492 ng/ml (range 660 to 4650 ng/ml) at median time of 30 min after injection. In 4/13 (31%) patients, plasma bupivacaine concentrations exceeded our predefined 2000 ng/ml toxic threshold. A second much smaller peak was observed about 32 h after the injection. No obvious signs of local anesthetic toxicity were observed. CONCLUSIONS Combined injection of plain and liposomal bupivacaine for pecto-serratus/serratus anterior plane blocks produced a biphasic pattern, with the highest arterial plasma concentrations observed within 30 min. Maximum concentrations exceeded the potential toxic threshold in nearly a third of patients, but without clinical evidence of toxicity. Clinicians should not assume that routine combinations of plain and liposomal bupivacaine for thoracic fascial plane blocks are inherently safe.
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Affiliation(s)
- Andrej Alfirevic
- Division of Cardiothoracic Anesthesiology, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA.
| | | | - Esra Kutlu Yalcin
- Division of Multi-specialty Anesthesiology, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA
| | - Karan Shah
- Outcomes Research Consortium, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA
| | - Marta Kelava
- Division of Cardiothoracic Anesthesiology, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA
| | - Daniel I Sessler
- Outcomes Research Consortium, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA
| | - Alparslan Turan
- Outcomes Research Consortium, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA; Division of Multi-specialty Anesthesiology, Department of Anesthesiology, Cleveland Clinic, Cleveland, OH, USA
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Knackstedt RW, Lin JH, Kakoty S. Liposomal Bupivacaine Analgesia in Deep Inferior Epigastric Perforator Flap Breast Reconstruction: A Retrospective Cohort Study. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2024; 12:e5874. [PMID: 38855138 PMCID: PMC11161287 DOI: 10.1097/gox.0000000000005874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/08/2024] [Indexed: 06/11/2024]
Abstract
Background Liposomal bupivacaine (LB) can be used for postsurgical analgesia after breast reconstruction. We examined real-world clinical and economic benefits of LB versus bupivacaine after deep inferior epigastric perforator (DIEP) flap breast reconstruction. Methods This retrospective cohort study used the IQVIA claims databases to identify patients undergoing primary DIEP flap breast reconstruction in 2016-2019. Patients receiving LB and those receiving bupivacaine were compared to assess opioid utilization in morphine milligram equivalents (MMEs) and healthcare resource utilization during perioperative (2 weeks before surgery to 2 weeks after discharge) and 6-month postdischarge periods. A generalized linear mixed-effects model and inverse probability of treatment weighting method were performed. Results Weighted baseline characteristics were similar between cohorts (LB, n = 669; bupivacaine, n = 348). The LB cohort received significantly fewer mean MMEs versus the bupivacaine cohort during the perioperative (395 versus 512 MMEs; rate ratio [RR], 0.771 [95% confidence interval (CI), 0.677-0.879]; P = 0.0001), 72 hours after surgery (63 versus 140 MMEs; RR, 0.449 [95% CI, 0.347-0.581]; P < 0.0001), and inpatient (154 versus 303 MMEs; RR, 0.508 [95% CI, 0.411-0.629]; P < 0.0001) periods; postdischarge filled opioid prescriptions were comparable. The LB cohort was less likely to have all-cause inpatient readmission (odds ratio, 0.670 [95% CI, 0.452-0.993]; P = 0.046) and outpatient clinic/office visits (odds ratio, 0.885 [95% CI, 0.785-0.999]; P = 0.048) 3 months after discharge than the bupivacaine cohort; other all-cause healthcare resource utilization outcomes were not different. Conclusions LB was associated with fewer perioperative MMEs and all-cause 3-month inpatient readmissions and outpatient clinic/office visits than bupivacaine in patients undergoing DIEP flap breast reconstruction.
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Layon SA, Burns HR, Williams AD, Ding Y, Mohammad S, Buchanan EP. Liposomal Bupivacaine Use During Orthognathic Surgery in Cleft Lip and Palate Patients. J Craniofac Surg 2024:00001665-990000000-01272. [PMID: 38227634 DOI: 10.1097/scs.0000000000009966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/12/2023] [Indexed: 01/18/2024] Open
Abstract
INTRODUCTION Effective pain management is crucial in cleft lip and palate (CLP) patients undergoing orthognathic surgery for earlier recovery and decreased opioid reliance. Liposomal bupivacaine (Exparel) is a local anesthetic that provides extended postoperative analgesia in adult patients; however, research on its use in adolescents is limited. This study explores the efficacy of liposomal bupivacaine for postoperative pain management in adolescent CLP patients undergoing orthognathic surgery. METHODS The authors performed a retrospective chart review at their institution between July 2020 and December 2022 to identify patients who underwent LeFort I or mandibular osteotomy. Two cohorts were compared: patients who received liposomal bupivacaine and patients who received standard pain medications alone. Outcome measures included intraoperative pain medications, length of stay, breakthrough opioid use, time to first oral intake, volume of oral intake, and opioids prescribed at discharge. RESULTS This study included 22 patients who underwent orthognathic surgery. The liposomal bupivacaine group (n=10) demonstrated earlier and greater oral intake during hospitalization compared with controls (n=12). The most significant difference was observed in total breakthrough opioid use, with an average of 8.60 morphine milligram equivalents for liposomal bupivacaine patients compared with 35.1 morphine milligram equivalents for controls (P=0.037). CONCLUSIONS This study provides the first analysis of liposomal bupivacaine use in adolescent CLP patients undergoing orthognathic surgery, demonstrating a significant reduction in postoperative opioid consumption compared with controls. These results may guide future studies of liposomal bupivacaine within CLP patients, potentially as a component of enhanced recovery after surgery guidelines, as well as in cost-analysis studies.
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Affiliation(s)
- Sarah A Layon
- Michael E. DeBakey Department of Surgery, Division of Plastic Surgery, Baylor College of Medicine, Houston, TX
- Division of Plastic Surgery, Texas Children's Hospital, Houston, TX
| | - Heather R Burns
- Michael E. DeBakey Department of Surgery, Division of Plastic Surgery, Baylor College of Medicine, Houston, TX
- Division of Plastic Surgery, Texas Children's Hospital, Houston, TX
| | - Austin D Williams
- Michael E. DeBakey Department of Surgery, Division of Plastic Surgery, Baylor College of Medicine, Houston, TX
- Division of Plastic Surgery, Texas Children's Hospital, Houston, TX
| | - Yang Ding
- Michael E. DeBakey Department of Surgery, Division of Plastic Surgery, Baylor College of Medicine, Houston, TX
- Division of Plastic Surgery, Texas Children's Hospital, Houston, TX
| | - Shazia Mohammad
- Department of Anesthesiology, Perioperative and Pain Medicine, Texas Children's Hospital, Baylor College of Medicine
| | - Edward P Buchanan
- Michael E. DeBakey Department of Surgery, Division of Plastic Surgery, Baylor College of Medicine, Houston, TX
- Division of Plastic Surgery, Texas Children's Hospital, Houston, TX
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Collis RW, Dry T, Ray HE, Grundlingh N, Chan G, Oswald T. Evidence for a Multimodal Pain Management Regimen in Reduction of Postoperative Opioid Use in Pediatric Patients Receiving Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis. Spine (Phila Pa 1976) 2023; 48:1486-1491. [PMID: 37294836 DOI: 10.1097/brs.0000000000004747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/30/2023] [Indexed: 06/11/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE This project aims to evaluate the relationship between increased use of intraoperative nonopioid analgesics, muscle relaxers, and anesthetics and postoperative outcomes, including opioid utilization, time until ambulation, and hospital length of stay. SUMMARY OF BACKGROUND DATA Adolescent idiopathic scoliosis (AIS) is a structural deformity of the spine that occurs in otherwise healthy adolescents, occurring with a frequency of 1% to 3%. Up to 60% of patients receiving spinal surgeries, particularly posterior spinal fusion (PSF), experience at least 1 day of moderate-to-severe pain after surgery. PATIENTS AND METHODS This is a retrospective chart review of pediatric patients aged 10 to 17 having received PSF with >5 levels fused for AIS at a dedicated children's hospital and a regional tertiary referral center with a dedicated pediatric spine program between January 2018 and September 2022. A linear regression model was used to evaluate the influence of baseline characteristics and intraoperative medications on the total amount of postoperative morphine milligram equivalents received. RESULTS There were no significant differences in the background characteristics of the two patient populations. Patients receiving PSF at the tertiary referral center received equivalent or greater amounts of all nonopioid pain medications and demonstrated decreased time until ambulation (19.3 vs . 22.3 h), postoperative opioid use (56.1 vs . 70.1 MME), and postoperative hospital length of stay (35.9 vs . 58.3 h). Hospital location was not individually associated with a difference in postoperative opioid use. There was not a significant difference in postoperative pain ratings. When accounting for all other variables, liposomal bupivacaine had the greatest contribution to the decrease in postoperative opioid use. CONCLUSION Patients receiving greater amounts of nonopioid intraoperative medications utilized 20% fewer postoperative morphine milligram equivalents, were discharged 22.3 hours earlier and had earlier recorded evidence of mobility. Postoperatively, nonopioid analgesics were as effective as opioids in the reduction of subjective pain ratings. This study further demonstrates the efficacy of multimodal pain management regimens in pediatric patients receiving PSF for AIS.
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Affiliation(s)
- Reid W Collis
- Wellstar Kennestone Hospital, Graduate Medical Education, Marietta, GA
| | - Tonia Dry
- Department of Pediatric Orthopedics, Wellstar Health System, Marietta, GA
| | - Herman E Ray
- Kennesaw State University, School of Data Science and Analytics, Kennesaw, GA
| | - Nina Grundlingh
- Kennesaw State University, School of Data Science and Analytics, Kennesaw, GA
| | - Gilbert Chan
- Department of Pediatric Orthopedics, Wellstar Health System, Marietta, GA
| | - Timothy Oswald
- Department of Pediatric Orthopedics, Wellstar Health System, Marietta, GA
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Holtz M, Liao N, Lin JH, Asche CV. Economic Outcomes and Incidence of Postsurgical Hypotension With Liposomal Bupivacaine vs Epidural Analgesia in Abdominal Surgeries. JOURNAL OF HEALTH ECONOMICS AND OUTCOMES RESEARCH 2022; 9:86-94. [PMID: 36168593 PMCID: PMC9473799 DOI: 10.36469/001c.37739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/09/2022] [Indexed: 06/16/2023]
Abstract
Background: Epidural analgesia can be associated with high costs and postsurgical risks such as hypotension, despite its widespread use and value in providing opioid-sparing pain management. We tested the hypothesis that liposomal bupivacaine (LB) might be a reliable alternative to epidural analgesia in this real-world study. Objectives: To compare economic outcomes and hypotension incidence associated with use of LB and epidural analgesia for abdominal surgery. Methods: This retrospective analysis identified records of adults who underwent abdominal surgeries between January 2016 and September 2019 with either LB administration or traditional epidural analgesia using the Premier Healthcare Database. Economic outcomes included length of stay, hospital costs, rates of discharge to home, and 30-day hospital readmissions. Secondary outcomes included incidence of postsurgical hypotension and vasopressor use. Subgroup analyses were stratified by surgical procedure (colorectal, abdominal) and approach (endoscopic, open). A generalized linear model adjusted for patient and hospital characteristics was used for all comparisons. Results: A total of 5799 surgical records (LB, n=4820; epidural analgesia, n=979) were included. Compared with cases where LB was administered, cases of epidural analgesia use were associated with a 1.6-day increase in length of stay (adjusted rate ratio [95% confidence interval (CI), 1.2 [1.2-1.3]]; P<.0001) and $6304 greater hospital costs (adjusted rate ratio [95% CI], 1.2 [1.2-1.3]]; P<.0001). Cost differences were largely driven by room-and-board fees. Epidural analgesia was associated with reduced rates of discharge to home (P<.0001) and increased 30-day readmission rates (P=.0073) compared with LB. Epidural analgesia was also associated with increased rates of postsurgical hypotension (30% vs 11%; adjusted odds ratio [95% CI], 2.8 [2.3-3.4]; P<.0001) and vasopressor use (22% vs 7%; adjusted odds ratio [95% CI], 3.1 [2.5-4.0]; P<.0001) compared with LB. Subgroup analyses by surgical procedure and approach were generally consistent with overall comparisons. Discussion: Our results are consistent with previous studies that demonstrated epidural analgesia can be associated with higher utilization of healthcare resources and complications compared with LB. Conclusions: Compared with epidural analgesia, LB was associated with economic benefits and reduced incidence of postsurgical hypotension and vasopressor use.
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Affiliation(s)
| | - Nick Liao
- Pacira Biosciences, Inc, Parsippany, New Jersey
| | | | - Carl V Asche
- Department of Internal Medicine, University of Illinois College of Medicine, Peoria, Illinois
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