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Pepper CG, Mikhaeil JS, Khan JS. Perioperative Regional Anesthesia on Persistent Opioid Use and Chronic Pain after Noncardiac Surgery: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Anesth Analg 2024:00000539-990000000-00928. [PMID: 39231035 DOI: 10.1213/ane.0000000000006947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
BACKGROUND Whether regional anesthesia impacts the development of chronic postsurgical pain is currently debateable, and few studies have evaluated an effect on prolonged opioid use. We sought to systematically review the effect of regional anesthesia for adults undergoing noncardiac elective surgery on these outcomes. METHODS A systematic search was conducted in MEDLINE, EMBASE, CENTRAL, and CINHAL for randomized controlled trials (from inception to April 2022) of adult patients undergoing elective noncardiac surgeries that evaluated any regional technique and included one of our primary outcomes: (1) prolonged opioid use after surgery (continued opioid use ≥2 months postsurgery) and (2) chronic postsurgical pain (pain ≥3 months postsurgery). We conducted a random-effects meta-analysis on the specified outcomes and used the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) approach to rate the quality of evidence. RESULTS Thirty-seven studies were included in the review. Pooled estimates indicated that regional anesthesia had a significant effect on reducing prolonged opioid use (relative risk [RR] 0.48, 95% CI, 0.24-0.96, P = .04, I2 0%, 5 trials, n = 348 patients, GRADE low quality). Pooled estimates for chronic pain also indicated a significant effect favoring regional anesthesia at 3 (RR, 0.74, 95% CI, 0.59-0.93, P = .01, I2 77%, 15 trials, n = 1489 patients, GRADE moderate quality) and 6 months (RR, 0.72, 95% CI, 0.61-0.85, P < .001, I2 54%, 19 trials, n = 3457 patients, GRADE moderate quality) after surgery. No effect was found in the pooled analysis at 12 months postsurgery (RR, 0.44, 95% CI, 0.16-1.17, P = .10). CONCLUSIONS The results of this study suggest that regional anesthesia potentially reduces chronic postsurgical pain up to 6 months after surgery. Our findings also suggest a potential decrease in the development of persistent opioid use.
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Affiliation(s)
- Connor G Pepper
- From the Department of Anesthesia, McMaster University, Hamilton, ON, Canada
| | - John S Mikhaeil
- Department of Anesthesia and Pain Medicine, University of Toronto, Toronto, ON, Canada
| | - James S Khan
- Department of Anesthesia and Pain Medicine, University of Toronto, Toronto, ON, Canada
- Wasser Pain Management Center, Mount Sinai Hospital, Toronto, ON, Canada
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Gillies MB, Chidwick K, Bharat C, Camacho X, Currow D, Gisev N, Degenhardt L, Pearson SA. Long-term prescribed opioid use after hospitalization or emergency department presentation among opioid naïve adults (2014-2020)-A population-based descriptive cohort study. Br J Clin Pharmacol 2024; 90:2111-2123. [PMID: 38803009 DOI: 10.1111/bcp.16093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/26/2024] [Accepted: 04/10/2024] [Indexed: 05/29/2024] Open
Abstract
AIMS The aim of this work is to describe opioid initiation and long-term use after emergency department (ED) visits or hospitalizations in New South Wales, Australia, by patient, admission and clinical characteristics. METHODS This is a population-based cohort study, including all hospitalizations and ED visits between 2014 and 2020, linked to medicine dispensings, deaths and cancer registrations (Medicines Intelligence Data Platform), among adults with no opioid dispensings in the previous year. Outcome measures were opioid initiations (dispensed within 7 days of discharge) and long-term use (90 days of continuous exposure, 90-270 days after initiation). RESULTS The cohort included 16 153 096 admissions by 4.2 million opioid-naïve adults; 39.0% were ED presentations without hospital admission, 16.8% hospital admissions via ED and 44.2% direct hospital admissions. Opioids were initiated post-discharge for 6.2% of ED, 8.3% of hospital via ED and 10.0% of direct hospital admissions; of these 1.0%, 2.5% and 0.5% progressed to long-term opioid use, respectively. Initiation was lowest in obstetric admissions without surgery (1.0%), and highest among trauma admissions (25.4%), obstetric admissions with surgical intervention (19.8%) and non-trauma surgical admissions (12.0%). Long-term use was highest among medical admissions via ED (3.5%), trauma admissions (2.3%) and ED alone (1.0%). From 2014 to 2020, overall opioid initiations decreased 16% from 8.7% to 7.2%, and long-term opioid use decreased 33% from 1.3% to 0.8%. CONCLUSIONS Both opioid initiation and long-term use decreased over time; however, the higher rates of long-term use following trauma, and medical admissions via ED, warrant further surveillance. Strategies supporting appropriate prescribing and access to multidisciplinary pain services will facilitate best practice care.
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Affiliation(s)
- Malcolm B Gillies
- Medicines Intelligence Research Program, School of Population Health, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - Kendal Chidwick
- National Drug and Alcohol Research Centre, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - Chrianna Bharat
- National Drug and Alcohol Research Centre, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - Ximena Camacho
- Medicines Intelligence Research Program, School of Population Health, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - David Currow
- Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, Australia
| | - Natasa Gisev
- National Drug and Alcohol Research Centre, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - Louisa Degenhardt
- National Drug and Alcohol Research Centre, Faculty of Medicine, UNSW Sydney, Sydney, Australia
| | - Sallie-Anne Pearson
- Medicines Intelligence Research Program, School of Population Health, Faculty of Medicine, UNSW Sydney, Sydney, Australia
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3
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Rainer M, Ommerli SM, Burden AM, Betschart L, Stämpfli D. Opioid exit plans for tapering postoperative pain control in noncancer patients: a systematic review. Patient Saf Surg 2024; 18:25. [PMID: 39080780 PMCID: PMC11290124 DOI: 10.1186/s13037-024-00408-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 07/08/2024] [Indexed: 08/02/2024] Open
Abstract
BACKGROUND A growing number of countries have reported sharp increases in the use and harm of opioid analgesics. High rates of new opioid initiation are observed in postoperative patients. In response, various tertiary care institutions have developed opioid exit plans (OEPs) to curb potential opioid-related harm. METHODS PubMed and Embase were systematically searched to identify, summarize, and compare the interventional elements of OEPs for postoperative patient populations published from January 1, 2000, to June 4, 2024. Two researchers independently screened the articles for eligibility following the PRISMA 2020 guidelines, extracted the data, and assessed the study quality and risk of bias. Data synthesis was performed for study characteristics, intervention details, efficacy, and development. RESULTS A total of 2,585 articles were screened, eight of which met the eligibility criteria. All studies were conducted in North America and focused on orthopedic surgery patients following total hip or knee arthroplasty (n = 5) or neurosurgery (n = 3). Most studies (n = 7) included a pre-post (n = 4) or randomized clinical design (n = 3). Three studies were of good quality, and none had a low risk of bias. The interventions varied and ranged from educational sessions (n = 1) to individualized tapering protocols (n = 4) or a combination of the two (n = 2). Key elements were instructions on how to anticipate patients' postoperative need for opioid analgesics and tapering strategies based on 24-h predischarge opioid consumption. Six studies included efficacy as an endpoint in their analysis, of which four assessed statistical significance, with all four identifying that the OEPs were successful in reducing postoperative opioid use. CONCLUSION Despite differences in design and implementation, the identified OEPs suggest that they are efficacious in reducing outpatient opioid consumption. They provide a robust estimate of postoperative analgesic requirements and a rationale for tapering duration and rate. However, more rigorous studies are needed to evaluate their real-world effectiveness.
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Affiliation(s)
- Marcel Rainer
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog Weg 1-5/10, 8093, Zurich, Switzerland
- Hospital Pharmacy, Department Medical Services, Kantonsspital Baden, Im Ergel, 5404, Baden, Switzerland
| | - Sarah Maleika Ommerli
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog Weg 1-5/10, 8093, Zurich, Switzerland
| | - Andrea Michelle Burden
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog Weg 1-5/10, 8093, Zurich, Switzerland
| | - Leo Betschart
- Chemistry | Biology | Pharmacy Information Center, ETH Zurich, Vladimir-Prelog Weg 10, 8093, Zurich, Switzerland
| | - Dominik Stämpfli
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog Weg 1-5/10, 8093, Zurich, Switzerland.
- Hospital Pharmacy, Department Medical Services, Kantonsspital Baden, Im Ergel, 5404, Baden, Switzerland.
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Herrera GF, Patzkowski JC, Patzkowski MS, Giordano NA, Scott-Richardson M, Kent M, Highland KB. Discharge Opioid Dose Indirectly Associated With Functional Outcomes 2 Weeks After Shoulder and Knee Arthroscopy in a US Military Sample. Mil Med 2024; 189:e1771-e1778. [PMID: 38602453 DOI: 10.1093/milmed/usad495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/13/2023] [Accepted: 12/21/2023] [Indexed: 04/12/2024] Open
Abstract
INTRODUCTION Postsurgical opioid utilization may be directly and indirectly associated with a range of patient-related and surgery-related factors, above and beyond pain intensity. However, most studies examine postsurgical opioid utilization without accounting for the multitude of co-occurring relationships among predictors. Therefore, this study aimed to identify factors associated with opioid utilization in the first 2 weeks after arthroscopic surgery and examine the relationship between discharge opioid prescription doses and acute postsurgical outcomes. METHODS In this prospective longitudinal observational study, 110 participants undergoing shoulder or knee arthroscopies from August 2016 to August 2018 at Walter Reed National Military Medical Center completed self-report measures before and at 14 days postoperatively. The association between opioid utilization and both patient-level and surgery-related factors was modeled using structural equation model path analysis. RESULTS Participants who were prescribed more opioids took more opioids, which was associated with worse physical function and sleep problems at day 14, as indicated by the significant indirect effects of discharge opioid dose on day 14 outcomes. Additional patient-level and surgery-related factors were also significantly related to opioid utilization dose and day 14 outcomes. Most participants had opioid medications leftover at day 14. CONCLUSION Excess opioid prescribing was common, did not result in improved pain alleviation, and was associated with poorer physical function and sleep 14 days after surgery. As such, higher prescribed opioid doses could reduce subacute functioning after surgery, without benefit in reducing pain. Future patient-centered studies to tailor opioid postsurgical prescribing are needed.
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Affiliation(s)
- Germaine F Herrera
- Defense and Veterans Center for Integrative Pain Management, Department of Anesthesiology, Uniformed Services University, Bethesda, MD 20814, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Rockville, MD 20852, USA
| | - Jeanne C Patzkowski
- Department of Orthopaedic Surgery, Brooke Army Medical Center, Fort Sam Houston, TX 78234-6200, USA
| | - Michael S Patzkowski
- Department of Anesthesia, Brooke Army Medical Center, Fort Sam Houston, TX 78234-6200, USA
- Department of Anesthesiology, Uniformed Services University, Bethesda, MD 20814, USA
| | - Nicholas A Giordano
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA 30322, USA
| | | | - Michael Kent
- Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Krista B Highland
- Department of Anesthesiology, Uniformed Services University, Bethesda, MD 20814, USA
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Görges M, Sujan J, West NC, Sreepada RS, Wood MD, Payne BA, Shetty S, Gelinas JP, Sutherland AM. Postsurgical Pain Risk Stratification to Enhance Pain Management Workflow in Adult Patients: Design, Implementation, and Pilot Evaluation. JMIR Perioper Med 2024; 7:e54926. [PMID: 38954808 PMCID: PMC11252618 DOI: 10.2196/54926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/15/2024] [Accepted: 05/13/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Exposure to opioids after surgery is the initial contact for some people who develop chronic opioid use disorder. Hence, effective postoperative pain management, with less reliance on opioids, is critical. The Perioperative Opioid Quality Improvement (POQI) program developed (1) a digital health platform leveraging patient-survey-reported risk factors and (2) a postsurgical pain risk stratification algorithm to personalize perioperative care by integrating several commercially available digital health solutions into a combined platform. Development was reduced in scope by the COVID-19 pandemic. OBJECTIVE This pilot study aims to assess the screening performance of the risk algorithm, quantify the use of the POQI platform, and evaluate clinicians' and patients' perceptions of its utility and benefit. METHODS A POQI platform prototype was implemented in a quality improvement initiative at a Canadian tertiary care center and evaluated from January to September 2022. After surgical booking, a preliminary risk stratification algorithm was applied to health history questionnaire responses. The estimated risk guided the patient assignment to a care pathway based on low or high risk for persistent pain and opioid use. Demographic, procedural, and medication administration data were extracted retrospectively from the electronic medical record. Postoperative inpatient opioid use of >90 morphine milligram equivalents per day was the outcome used to assess algorithm performance. Data were summarized and compared between the low- and high-risk groups. POQI use was assessed by completed surveys on postoperative days 7, 14, 30, 60, 90, and 120. Semistructured patient and clinician interviews provided qualitative feedback on the platform. RESULTS Overall, 276 eligible patients were admitted for colorectal procedures. The risk algorithm stratified 203 (73.6%) as the low-risk group and 73 (26.4%) as the high-risk group. Among the 214 (77.5%) patients with available data, high-risk patients were younger than low-risk patients (age: median 53, IQR 40-65 years, vs median 59, IQR 49-69 years, median difference five years, 95% CI 1-9; P=.02) and were more often female patients (45/73, 62% vs 80/203, 39.4%; odds ratio 2.5, 95% CI 1.4-4.5; P=.002). The risk stratification was reasonably specific (true negative rate=144/200, 72%) but not sensitive (true positive rate=10/31, 32%). Only 39.7% (85/214) patients completed any postoperative quality of recovery questionnaires (only 14, 6.5% patients beyond 60 days after surgery), and 22.9% (49/214) completed a postdischarge medication survey. Interviewed participants welcomed the initiative but noted usability issues and poor platform education. CONCLUSIONS An initial POQI platform prototype was deployed operationally; the risk algorithm had reasonable specificity but poor sensitivity. There was a significant loss to follow-up in postdischarge survey completion. Clinicians and patients appreciated the potential impact of preemptively addressing opioid exposure but expressed shortcomings in the platform's design and implementation. Iterative platform redesign with additional features and reevaluation are required before broader implementation.
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Affiliation(s)
- Matthias Görges
- Department of Anesthesiology, Pharmacology & Therapeutics, The University of British Columbia, Vancouver, BC, Canada
- Research Institute, BC Children's Hospital, Vancouver, BC, Canada
| | - Jonath Sujan
- Research Institute, BC Children's Hospital, Vancouver, BC, Canada
| | - Nicholas C West
- Research Institute, BC Children's Hospital, Vancouver, BC, Canada
| | - Rama Syamala Sreepada
- Department of Anesthesiology, Pharmacology & Therapeutics, The University of British Columbia, Vancouver, BC, Canada
- Research Institute, BC Children's Hospital, Vancouver, BC, Canada
| | - Michael D Wood
- Department of Anesthesiology, Pharmacology & Therapeutics, The University of British Columbia, Vancouver, BC, Canada
- Research Institute, BC Children's Hospital, Vancouver, BC, Canada
| | - Beth A Payne
- Research Institute, BC Children's Hospital, Vancouver, BC, Canada
- School of Population and Public Health, The University of British Columbia, Vancouver, BC, Canada
| | - Swati Shetty
- MD Undergraduate Program, The University of British Columbia, Vancouver, BC, Canada
| | - Jean P Gelinas
- Department of Anesthesiology & Pain Medicine, University of Alberta, Edmonton, AB, Canada
- Department of Anesthesiology, Surrey Memorial Hospital, Surrey, BC, Canada
| | - Ainsley M Sutherland
- Department of Anesthesiology, Pharmacology & Therapeutics, The University of British Columbia, Vancouver, BC, Canada
- Department of Anesthesiology, St. Paul's Hospital, Vancouver, BC, Canada
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Kitsiripant C, Boonyamarn A, Oofuvong M, Prathep S, Kaewborisutsakul A. Cost-effectiveness and efficacy of scalp block for elective supratentorial craniotomy in resource-limited settings: A randomized controlled trial. Surg Neurol Int 2024; 15:191. [PMID: 38974559 PMCID: PMC11225388 DOI: 10.25259/sni_255_2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 05/15/2024] [Indexed: 07/09/2024] Open
Abstract
Background Remifentanil is favored for neurosurgical pain management, but its utilization in low- and middle-income countries (LMICs) is limited. Scalp block techniques are effective in LMICs, but cost-effectiveness is uncertain. This study compares costs and perioperative outcomes of scalp block versus fentanyl infusion in patients undergoing elective supratentorial craniotomy. Methods A prospective double-blind randomized controlled trial was conducted with 36 patients aged 18- 65 years undergoing elective supratentorial craniotomy. Patients were randomly assigned to receive either scalp block with 0.5% bupivacaine (Group S) or fentanyl infusion (Group F), with normal saline placebo administered in both groups. The primary endpoint was the anesthetic costs, with secondary endpoints including perioperative opioid consumption, intraoperative hemodynamic changes, and perioperative complications. Results The cost of fentanyl was significantly lower than that of local anesthetics (3.31 [3.31, 3.75] vs. 4.27 [4.27, 4.27] United States dollars, P < 0.001). However, the overall anesthetic cost did not differ significantly between groups. Group F demonstrated a significant reduction in mean arterial pressure immediately and 5 min after pin insertion compared to Group S (75.8 [13.9] vs. 92.5 [16.9] mmHg, P = 0.003 and 67.7 [6.4] vs. 78.5 [10.7] mmHg, P < 0.001, respectively). Conclusion Fentanyl infusion presents cost advantages over scalp block in LMIC settings. However, prudent opioid use is imperative. This study underscores the need for ongoing research to optimize neurosurgical pain management and evaluate long-term safety implications.
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Affiliation(s)
- Chanatthee Kitsiripant
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Aunchitha Boonyamarn
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Maliwan Oofuvong
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Sumidtra Prathep
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Anukoon Kaewborisutsakul
- Department of Surgery, Neurological Surgery Unit, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
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Marquez JL, Chow J, Moss W, Luo J, Eddington D, Agarwal JP, Kwok AC. Outpatient Prescription Opioid Use following Discharge after Deep Inferior Epigastric Perforator Breast Reconstruction with and without an Educational Intervention. J Reconstr Microsurg 2024. [PMID: 38452802 DOI: 10.1055/a-2283-4775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
BACKGROUND There is limited evidence for appropriate postoperative opioid prescribing in autologous breast reconstruction. We sought to describe postoperative outpatient prescription opioid use following discharge after deep inferior epigastric perforator (DIEP) breast reconstruction with and without an educational video. METHODS Patients undergoing DIEP reconstruction were given a 28-day postoperative pain and medication logbook from August 2022 to June 2023. Our practice implemented an educational video upon discharge on proper opioid consumption. Descriptive statistics on patient characteristics, intraoperative and postoperative opioid consumption, and outpatient prescription opioid use after discharge were compared between the two cohorts. RESULTS A total of 53 logbooks were completed with 20 patients in the no video cohort and 33 in the video cohort. On average, the days to cessation of opiates was longer in the no video cohort (8.2 vs. 5.1 days, p = 0.003). The average number of oxycodone 5 mg equivalents consumed following discharge was 13.8 in the no video cohort and 7.8 in the video cohort, which was statistically significant (p = 0.01). Overall, the percentage of opioids prescribed that were consumed in the video cohort was 28.3% versus 67.1% in the no video cohort. CONCLUSION For patients discharging home after DIEP reconstruction, we recommend a prescription for 12 oxycodone 5 mg tablets. With the use of an educational video regarding proper opioid consumption, we were able to reduce the total outpatient opioid use to 5 oxycodone 5 mg tablets following hospital discharge.
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Affiliation(s)
- Jessica L Marquez
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of Utah School of Medicine, Salt Lake City, Utah
| | - Josh Chow
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of Utah School of Medicine, Salt Lake City, Utah
| | - Whitney Moss
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of Utah School of Medicine, Salt Lake City, Utah
| | - Jessica Luo
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of Utah School of Medicine, Salt Lake City, Utah
| | - Devin Eddington
- Department of Internal Medicine, Division of Epidemiology, University of Utah School of Medicine, Salt Lake City, Utah
| | - Jayant P Agarwal
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of Utah School of Medicine, Salt Lake City, Utah
| | - Alvin C Kwok
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of Utah School of Medicine, Salt Lake City, Utah
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Cameron CM, Shibl R, Cramb S, McCreanor V, Proper M, Warren J, Smyth T, Carter HE, Vallmuur K, Graves N, Bradford N, Loveday B. Community Opioid Dispensing after Injury (CODI): Cohort characteristics and opioid dispensing patterns. Injury 2024; 55:111216. [PMID: 38000939 DOI: 10.1016/j.injury.2023.111216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/02/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023]
Abstract
BACKGROUND Despite a focus of opioid-related research internationally, there is limited understanding of long-term opioid use in adults following injury. We analysed data from the 'Community Opioid Dispensing after Injury' data linkage study. AIMS This paper aims to describe the baseline characteristics of the injured cohort and report opioid dispensing patterns following injury-related hospitalisations. METHODS Retrospective cohort study of adults hospitalised after injury (ICD-10AM: S00-S99, T00-T75) in Queensland, Australia between 1 January 2014 and 31 December 2015, prior to implementation of opioid stewardship programs. Data were person-linked between hospitalisation, community opioid dispensing and mortality collections. Data were extracted for 90-days prior to the index hospital admission, to establish opiate naivety, to 720 days after discharge. Median daily oral morphine equivalents (i.e., dose) were averaged for each 30-day interval. Cumulative duration of dispensing and dose were compared by demographic and clinical characteristics, stratified by drug dependency status. RESULTS Of the 129,684 injured adults, 61.3 % had no opioids dispensed in the 2-year follow-up period. Adults having any opioids dispensed in the community (38.7 %) were more likely older, female, to have fracture injuries and injuries with a higher severity, compared to those with no opioids dispensed. Longer durations and higher doses of opioids were seen for those with pre-injury opioid use, more hospital readmissions and repeat surgeries, as well as those who died in the 2-year follow-up period. Median dispensing duration was 24-days with a median daily end dose of 13 oral morphine equivalents. If dispensing occurred prior to the injury, duration increased 10-fold and oral morphine equivalents doubled. Adults with a documented dependency prior to, or after, the injury had significantly longer durations of use and higher doses than the rest of the cohort receiving opioids. Approximately 7 % of the total cohort continued to be dispensed opioids at 2-years post injury. CONCLUSION This is a novel population-level profile of opioid dispensing patterns following injury-related hospitalisation, described for the time period prior to the implementation of opioid stewardship programs and regulatory changes in Queensland. Detailed understanding of this pre-implementation period is critical for evaluating the impact of these changes moving forward.
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Affiliation(s)
- C M Cameron
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health; Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia.
| | - R Shibl
- School of Science Technology and Engineering, University of the Sunshine Coast, Petrie, QLD, Australia
| | - S Cramb
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health; Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - V McCreanor
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health; Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - M Proper
- Royal Brisbane & Women's Hospital, Metro North Health, Brisbane, Australia
| | - J Warren
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health; Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - T Smyth
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health
| | - H E Carter
- Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - K Vallmuur
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health; Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - N Graves
- Health Services and Systems Research, Duke-NUS Medical School, Singapore
| | - N Bradford
- Centre for Healthcare Transformation, Queensland University of Technology, Brisbane, Australia
| | - B Loveday
- Q-Script Management Unit, Queensland Health, Brisbane, Australia
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9
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Gerlach EB, Plantz MA, Swiatek PR, Wu SA, Arpey N, Fei-Zhang D, Divi SN, Hsu WK, Patel AA. The Drivers of Persistent Opioid Use and Its Impact on Healthcare Utilization After Elective Spine Surgery. Global Spine J 2024; 14:370-379. [PMID: 35603925 PMCID: PMC10802539 DOI: 10.1177/21925682221104731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE The aim of this study was to determine the incidence of and risk factors for persistent opioid use after elective cervical and lumbar spine procedures and to quantify postoperative healthcare utilization in this patient population. METHODS Patients were retrospectively identified who underwent elective spine surgery for either cervical or lumbar degenerative pathology between November 1, 2013, and September 30, 2018, at a single academic center. Patients were split into 2 cohorts, including patients with and without opioid use at 180-days postoperatively. Baseline patient demographics, underlying comorbidities, surgical variables, and preoperative/postoperative opioid use were assessed. Health resource utilization metrics within 1 year postoperatively (ie, imaging studies, emergency and urgent care visits, hospital readmissions, opioid prescriptions, etc.) were compared between these 2 groups. RESULTS 583 patients met inclusion criteria, of which 16.6% had opioid persistence after surgery. Opioid persistence was associated with ASA score ≥3 (P = .004), diabetes (P = .019), class I obesity (P = .012), and an opioid prescription in the 60 days prior to surgery (P = .006). Independent risk factors for opioid persistence assessed via multivariate regression included multi-level lumbar fusion (RR = 2.957), cervical central stenosis (RR = 2.761), and pre-operative opioid use (RR = 2.668). Opioid persistence was associated with higher rates of health care utilization, including more radiographs (P < .001), computed tomography (CT) scans (.007), magnetic resonance imaging (MRI) studies (P = .014), emergency department (ED) visits (.009), pain medicine referrals (P < .001), and spinal injections (P = .003). CONCLUSIONS Opioid persistence is associated with higher rates of health care utilization within 1 year after elective spine surgery.
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Affiliation(s)
- Erik B. Gerlach
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Mark A. Plantz
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Peter R. Swiatek
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Scott A. Wu
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Nicholas Arpey
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - David Fei-Zhang
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Srikanth N. Divi
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Wellington K. Hsu
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
| | - Alpesh A. Patel
- Department of Orthopaedic Surgery, Northwestern University, Chicago, IL, USA
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10
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Michell E, Lam T, Xia T, Nielsen S, Stevens J. The relationship between presurgical opioid type and persistent postoperative opioid use: a retrospective observational linkage study comparing tapentadol and oxycodone. Anaesthesia 2024; 79:203-205. [PMID: 37932877 DOI: 10.1111/anae.16164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2023] [Indexed: 11/08/2023]
Affiliation(s)
- E Michell
- St Vincent's Clinical Campus, Darlinghurst, UNSW Sydney
| | - T Lam
- Eastern Health Clinical School, Monash University, Frankston, VIC, Australia
| | - T Xia
- Eastern Health Clinical School, Monash University, Frankston, VIC, Australia
| | - S Nielsen
- Eastern Health Clinical School, Monash University, Frankston, VIC, Australia
| | - J Stevens
- St Vincent's Clinical School, UNSW Medicine, Darlinghurst, NSW, Australia
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11
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Bansal N, Campbell SM, Lin CY, Ashcroft DM, Chen LC. Development of prescribing indicators related to opioid-related harm in patients with chronic pain in primary care-a modified e-Delphi study. BMC Med 2024; 22:5. [PMID: 38167142 PMCID: PMC10763174 DOI: 10.1186/s12916-023-03213-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Long-term opioid use is associated with dependency, addiction, and serious adverse events. Although a framework to reduce inappropriate opioid prescribing exists, there is no consensus on prescribing indicators for preventable opioid-related problems in patients with chronic pain in primary care in the UK. This study aimed to identify opioid prescription scenarios for developing indicators for prescribing opioids to patients with chronic pain in primary care. METHODS Scenarios of opioid prescribing indicators were identified from a literature review, guidelines, and government reports. Twenty-one indicators were identified and presented in various opioid scenarios concerning opioid-related harm and adverse effects, drug-drug interactions, and drug-disease interactions in certain disease conditions. After receiving ethics approval, two rounds of electronic Delphi panel technique surveys were conducted with 24 expert panellists from the UK (clinicians, pharmacists, and independent prescribers) from August 2020 to February 2021. Each indicator was rated on a 1-9 scale from inappropriate to appropriate. The score's median, 30th and 70th percentiles, and disagreement index were calculated. RESULTS The panel unanimously agreed that 15 out of the 21 opioid prescribing scenarios were inappropriate, primarily due to their potential for causing harm to patients. This consensus was reflected in the low appropriateness scores (median ranging from 1 to 3). There were no scenarios with a high consensus that prescribing was appropriate. The indicators were considered inappropriate due to drug-disease interactions (n = 8), drug-drug interactions (n = 2), adverse effects (n = 3), and prescribed dose and duration (n = 2). Examples included prescribing opioids during pregnancy, concurrently with benzodiazepines, long-term without a laxative prescription and prescribing > 120-mg morphine milligram equivalent per day or long-term duration over 3 months after surgery. CONCLUSIONS The high agreement on opioid prescribing indicators indicates that these potentially hazardous consequences are relevant and concerning to healthcare practitioners. Future research is needed to evaluate the feasibility and implementation of these indicators within primary care settings. This research will provide valuable insights and evidence to support opioid prescribing and deprescribing strategies. Moreover, the findings will be crucial in informing primary care practitioners and shaping quality outcome frameworks and other initiatives to enhance the safety and quality of care in primary care settings.
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Affiliation(s)
- Neetu Bansal
- Drug Usage and Pharmacy Practice Group, Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, Centre for Pharmacoepidemiology and Drug Safety, Manchester Academic Health Science Centre, School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK.
| | - Stephen M Campbell
- Department of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Molotlegi Street, Pretoria, 0208, South Africa
- Centre for Epidemiology and Public Health, School of Health Sciences, University of Manchester, Manchester, M13 9PL, UK
| | - Chiu-Yi Lin
- Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
| | - Darren M Ashcroft
- Drug Usage and Pharmacy Practice Group, Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, Centre for Pharmacoepidemiology and Drug Safety, Manchester Academic Health Science Centre, School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
- NIHR Greater Manchester Patient Safety Research Collaboration, University of Manchester, Manchester, M13 9PL, UK
| | - Li-Chia Chen
- Drug Usage and Pharmacy Practice Group, Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, Centre for Pharmacoepidemiology and Drug Safety, Manchester Academic Health Science Centre, School of Health Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK
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12
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Srinivasan S, Gunaseelan V, Jankulov A, Chua KP, Englesbe M, Waljee J, Bicket M, Brummett CM. Association Between Payer Type and Risk of Persistent Opioid Use After Surgery. Ann Surg 2023; 278:e1185-e1191. [PMID: 37334751 PMCID: PMC10631504 DOI: 10.1097/sla.0000000000005937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
OBJECTIVE To assess whether the risk of persistent opioid use after surgery varies by payer type. BACKGROUND Persistent opioid use is associated with increased health care utilization and risk of opioid use disorder, opioid overdose, and mortality. Most research assessing the risk of persistent opioid use has focused on privately insured patients. Whether this risk varies by payer type is poorly understood. METHODS This cross-sectional analysis of the Michigan Surgical Quality Collaborative database examined adults aged 18 to 64 years undergoing surgical procedures across 70 hospitals between January 1, 2017 and October 31, 2019. The primary outcome was persistent opioid use, defined a priori as 1+ opioid prescription fulfillment at (1) an additional opioid prescription fulfillment after an initial postoperative fulfillment in the perioperative period or at least 1 fulfillment in the 4 to 90 days after discharge and (2) at least 1 opioid prescription fulfillment in the 91 to 180 days after discharge. The association between this outcome and payer type was evaluated using logistic regression, adjusting for patient and procedure characteristics. RESULTS Among 40,071 patients included, the mean age was 45.3 years (SD 12.3), 24,853 (62%) were female, 9430 (23.5%) were Medicaid-insured, 26,760 (66.8%) were privately insured, and 3889 (9.7%) were covered by other payer types. The rate of POU was 11.5% and 5.6% for Medicaid-insured and privately insured patients, respectively (average marginal effect for Medicaid: 2.9% (95% CI 2.3%-3.6%)). CONCLUSIONS Persistent opioid use remains common among individuals undergoing surgery and higher among patients with Medicaid insurance. Strategies to optimize postoperative recovery should focus on adequate pain management for all patients and consider tailored pathways for those at risk.
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Affiliation(s)
| | - Vidhya Gunaseelan
- Department of Anesthesiology, University of Michigan, Ann Arbor, MI
- Michigan Opioid Prescribing Engagement Network, Ann Arbor, MI
| | - Alexandra Jankulov
- Oakland University William Beaumont School of Medicine, Oakland University, Rochester Hills, MI
| | - Kao-Ping Chua
- Department of Pediatrics, Susan B. Meister Child Health and Evaluation Research Center, University of Michigan, Ann Arbor, MI
- Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor, MI
| | - Michael Englesbe
- Michigan Opioid Prescribing Engagement Network, Ann Arbor, MI
- Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Jennifer Waljee
- Michigan Opioid Prescribing Engagement Network, Ann Arbor, MI
- Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Mark Bicket
- Department of Anesthesiology, University of Michigan, Ann Arbor, MI
- Michigan Opioid Prescribing Engagement Network, Ann Arbor, MI
| | - Chad M. Brummett
- Department of Anesthesiology, University of Michigan, Ann Arbor, MI
- Michigan Opioid Prescribing Engagement Network, Ann Arbor, MI
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13
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Uhrbrand PG, Rasmussen MM, Haroutounian S, Nikolajsen L. An individualised tapering protocol reduces opioid use 1 year after spine surgery: A randomised controlled trial of patients with preoperative opioid use. Acta Anaesthesiol Scand 2023; 67:1085-1090. [PMID: 37203222 DOI: 10.1111/aas.14266] [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: 11/24/2022] [Revised: 04/01/2023] [Accepted: 04/28/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Persistent opioid use following surgery is common especially in patients with preoperative opioid use. This study aims to determine the long-term effect of an individualised opioid tapering plan versus standard of care in patients with a preoperative opioid use undergoing spine surgery at Aarhus University Hospital, Denmark. METHODS This is the 1-year follow-up of a prospective, single-centre, randomised trial of 110 patients who underwent elective spine surgery for degenerative disease. The intervention was an individualised tapering plan at discharge and telephone counselling 1 week after discharge, compared to standard of care. Postoperative outcomes after 1 year include opioid use, reasons for opioid use and pain intensity. RESULTS The overall response rate to the 1-year follow-up questionnaire was 94% (intervention group 52/55 patients and control group 51/55 patients). Forty-two patients (proportion = 0.81, 95% CI 0.67-0.89) in the intervention group compared to 31 (0.61, 95% CI 0.47-0.73; p = .026) patients in the control group succeeded in tapering to zero 1 year after discharge (p = .026). One patient (0.02, 95% CI 0.01-0.13) in the intervention group compared to seven patients (0.14, 95% CI 0.07-0.26) in the control group were unable to taper to their preoperative dose 1 year after discharge (p = .025). Back/neck and radicular pain intensity was similar between study groups. CONCLUSION These results suggest that an individualised tapering plan at discharge combined with telephone counselling 1 week after discharge can reduce opioid use 1 year after spine surgery.
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Affiliation(s)
- Peter Gaarsdal Uhrbrand
- Department of Anaesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Mikkel Mylius Rasmussen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Neurosurgery, Aarhus University Hospital, Aarhus, Denmark
| | - Simon Haroutounian
- Department of Anaesthesiology, Washington University, St. Louis, Missouri, USA
| | - Lone Nikolajsen
- Department of Anaesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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14
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Kwon JH, Ko JS, Kim HJ, Han S, Gwak MS, Kim GS, Lee SY, Wi W. Comparison of the analgesic effect of intrathecal morphine between laparoscopic and open living donor hepatectomy: Propensity score matching analysis. Medicine (Baltimore) 2023; 102:e34627. [PMID: 37657001 PMCID: PMC10476809 DOI: 10.1097/md.0000000000034627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/14/2023] [Indexed: 09/03/2023] Open
Abstract
Laparoscopic donor hepatectomy is being increasingly adopted in transplant programs due to its numerous advantages. However, the role of intrathecal morphine (ITM) in laparoscopic donor hepatectomy has not been thoroughly investigated. This study aimed to compare the analgesic effects and safety of ITM between laparoscopic and open donor hepatectomy. This retrospective study included 742 donors who underwent hepatectomy with ITM between April 2007 and June 2019. Among them, 168 and 574 donors underwent laparoscopic hepatectomy (LH) and open hepatectomy (OH), respectively. Propensity score matching yielded two comparable groups of 168 donors each. The primary endpoint was the incidence of moderate-to-severe pain (maximum numerical rating scale [NRS] pain score ≥ 4) within 24 postoperative hours. The LH group had a significantly lower incidence of moderate-to-severe pain within 24 postoperative hours than the OH group (16.1% vs 64.3%, P < .001). Moreover, the cumulative rescue intravenous opioids (in morphine-equivalent dose) on postoperative day (POD) 1 was lower in the LH group than in the OH group (3.3 [0-8.3] mg vs 10 [3.3-17.3] mg; P < .001). There were no significant between-group differences in the incidence of respiratory depression (2.4% vs 0.6%; P = .371) and prescriptions for pruritus (14.3% vs 15.5%; P = .878). However, the prescriptions for postoperative nausea and vomiting (PONV) was significantly higher in the LH group than in the OH group (64.9% vs 41.7%; P < .001). The predictors of antiemetic agent prescription included the use of laparoscopic procedure (adjusted odds ratio [OR], 2.05; 95% confidence interval [CI], 1.11-3.79; P = .021) and female sex (adjusted OR, 5.63; 95% CI, 3.19-9.92; P < .001). Preoperative ITM administration resulted in a significantly lower incidence of moderate-to-severe pain within 24 postoperative hours after laparoscopic donor hepatectomy than after open donor hepatectomy.
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Affiliation(s)
- Ji-Hye Kwon
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Justin Sangwook Ko
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hyo Jin Kim
- Department of Anesthesiology and Pain Medicine, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Korea
| | - Sangbin Han
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Mi Sook Gwak
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Gaab Soo Kim
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung Young Lee
- Department of Anesthesiology and Pain Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
| | - Wongook Wi
- Department of Anesthesiology and Pain Medicine, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Korea
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15
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Liu S, Stevens JA, Collins AE, Duff J, Sutherland JR, Oddie MD, Naylor JM, Patanwala AE, Suckling BM, Penm J. Prevalence and predictors of opioid use before orthopaedic surgery in an Australian setting: A multicentre, cross-sectional, observational study. Anaesth Intensive Care 2023; 51:331-339. [PMID: 37340678 DOI: 10.1177/0310057x221147066] [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] [Indexed: 06/22/2023]
Abstract
Opioid analgesics are commonly used by patients awaiting orthopaedic surgery, and preoperative opioid use is associated with a greater burden of postoperative pain, suboptimal surgical outcomes and higher healthcare costs. This study aimed to examine the prevalence of total opioid use before elective orthopaedic surgery with a focus on regional and rural hospitals in New South Wales, Australia. This was a cross-sectional, observational study of patients undergoing orthopaedic surgery conducted between April 2017 and November 2019 across five hospitals that included a mix of metropolitan, regional, rural, private and public settings. Preoperative patient demographics, pain scores and analgesic use were collected during pre-admission clinic visits, held between two and six weeks before surgery. Of the 430 patients included, 229 (53.3%) were women and the mean age was 67.5 (standard deviation 10.1) years. The overall prevalence of total preoperative opioid use was 37.7% (162/430). Rates of preoperative opioid use ranged from 20.6% (13/63) at a metropolitan hospital to 48.8% (21/43) at an inner regional hospital. Multivariable logistic regression showed that the inner regional setting was a significant predictor of opioid use before orthopaedic surgery (adjusted odds ratio 2.6; 95% confidence interval 1.0 to 6.7) after adjusting for covariates. Opioid use prior to orthopaedic surgery is common and appears to vary by geographical location.
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Affiliation(s)
- Shania Liu
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Pharmacy, Prince of Wales Hospital, Randwick, Australia
| | - Jennifer A Stevens
- School of Medicine, Notre Dame University, Sydney, Australia
- St Vincent's Clinical School, The University of New South Wales, Kensington, Australia
| | | | - Jed Duff
- Faculty of Health, Queensland University of Technology, Brisbane, Australia
| | - Joanna R Sutherland
- Rural Clinical School Coffs Harbour Campus, The University of New South Wales, Coffs Harbour, Australia
| | | | - Justine M Naylor
- Whitlam Orthopaedic Research Centre, Ingham Institute, Liverpool, Australia
- South Wes Sydney Clinical School, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
| | - Asad E Patanwala
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Pharmacy, Royal Prince Alfred Hospital, Sydney, Australia
| | - Benita M Suckling
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Pharmacy Department, Caboolture, Kilcoy and Woodford Directorate, Metro North Health, Caboolture, Australia
| | - Jonathan Penm
- Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Pharmacy, Prince of Wales Hospital, Randwick, Australia
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16
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Liu S, Stevens JA, Collins AE, Duff J, Sutherland JR, Oddie MD, Naylor JM, Patanwala AE, Suckling BM, Penm J. Prevalence and predictors of long-term opioid use following orthopaedic surgery in an Australian setting: A multicentre, prospective cohort study. Anaesth Intensive Care 2023; 51:321-330. [PMID: 37688433 PMCID: PMC10493038 DOI: 10.1177/0310057x231172790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
Opioid analgesics prescribed for the management of acute pain following orthopaedic surgery may lead to unintended long-term opioid use and associated patient harms. This study aimed to examine the prevalence of opioid use at 90 days after elective orthopaedic surgery across major city, regional and rural locations in New South Wales, Australia. We conducted a prospective, observational cohort study of patients undergoing elective orthopaedic surgery at five hospitals from major city, regional, rural, public and private settings between April 2017 and February 2020. Data were collected by patient questionnaire at the pre-admission clinic 2-6 weeks before surgery and by telephone call after 90 days following surgery. Of the 361 participants recruited, 54% (195/361) were women and the mean age was 67.7 years (standard deviation 10.1 years). Opioid use at 90 or more days after orthopaedic surgery was reported by 15.8% (57/361; 95% confidence interval (CI) 12.2-20%) of all participants and ranged from 3.5% (2/57) at a major city location to 37.8% (14/37) at an inner regional location. Predictors of long-term postoperative opioid use in the multivariable analysis were surgery performed at an inner regional location (adjusted odds ratio 12.26; 95% CI 2.2-68.24) and outer regional location (adjusted odds ratio 5.46; 95% CI 1.09-27.50) after adjusting for known covariates. Long-term opioid use was reported in over 15% of patients following orthopaedic surgery and appears to be more prevalent in regional locations in Australia.
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Affiliation(s)
- Shania Liu
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- Department of Pharmacy, Prince of Wales Hospital, Randwick, Australia
| | - Jennifer A Stevens
- School of Medicine, Notre Dame University, Sydney, Australia
- St Vincent’s Clinical School, University of New South Wales, Kensington, Australia
| | | | - Jed Duff
- Faculty of Health, Queensland University of Technology, Kelvin Grove, Australia
| | - Joanna R Sutherland
- Rural Clinical School Coffs Harbour Campus, University of New South Wales, Coffs Harbour, Australia
| | | | - Justine M Naylor
- Whitlam Orthopaedic Research Centre, Ingham Institute, Liverpool, Australia
- South Western Sydney Clinical School, University of New South Wales, Sydney, Australia
| | - Asad E Patanwala
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- Department of Pharmacy, Royal Prince Alfred Hospital, Sydney, Australia
| | - Benita M Suckling
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- Pharmacy Department, Caboolture, Kilcoy and Woodford Directorate, Metro North Health, Caboolture, Australia
| | - Jonathan Penm
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- Department of Pharmacy, Prince of Wales Hospital, Randwick, Australia
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17
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Kiamanesh CS, Fuller MC, Lu M, Nordin EJ, Ma JX, Dugan SM, Cummings CE, Sherman K, Ebert TJ. New Opioid Persistence in Veterans Following Major and Minor Surgery. Mil Med 2023; 188:e1813-e1820. [PMID: 36317545 PMCID: PMC10362993 DOI: 10.1093/milmed/usac322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/14/2022] [Accepted: 10/07/2022] [Indexed: 07/25/2023] Open
Abstract
INTRODUCTION Opioids are often a mainstay of managing postsurgical pain. Persistent use of opioids for more than 90 days after surgery is problematic, and the incidence of this adverse outcome has been reported in the civilian population ranging from 0.4% to 7%. Veterans compose a special population exposed to trauma and stressful situations and consequently face increased risk for habit-forming behavior and drug overdose. This evaluation determined the prevalence of opioid persistence after surgery and its relationship to patient characteristics in a military veteran population. METHODS A retrospective chart review was completed on 1,257 veterans who were opioid naive and had undergone a surgical procedure between January 2017 and May 2018. Patient characteristics, health conditions, and discharge opioid medications were recorded, and the incidence of persistent opioid use beyond 90 days was determined. RESULTS The incidence of opioid persistence following major (3.3%) and minor (3.4%) procedures was similar. The incidence in patients younger than 45 years (3.3%), between 45 and 64 years (4.3%), and 65 years and older (2.2%) was also determined to be similar. Univariate patient factors associated with an increased risk for persistent opioid use include cancer (odds ratio [OR], 2.13; 95% CI, 1.11-4.09), mental health disorders (OR, 2.32; 95% CI, 1.17-4.60), and substance use disorders (OR, 2.09; 95% CI, 1.09-4.00). CONCLUSIONS Among a cohort of over 1,200 opioid-naïve veterans undergoing surgery at a VA Medical Center, just over 3% went on to develop persistent opioid use beyond 3 months following their procedure. Persistent use was not found to be related to the type of procedure (major or minor) or patient age. Significant patient-level risk factors for opioid persistence were cancer and a history of mental health and substance use disorders.
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Affiliation(s)
| | | | - Marvin Lu
- Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | | | - Jessie X Ma
- Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Shannon M Dugan
- Department of Anesthesiology, 112A, Zablocki VA Medical Center, Milwaukee, WI 53295, USA
| | - Craig E Cummings
- Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Department of Anesthesiology, 112A, Zablocki VA Medical Center, Milwaukee, WI 53295, USA
| | - Katherine Sherman
- Research Service, Zablocki VA Medical Center, Milwaukee, WI 53295, USA
| | - Thomas J Ebert
- Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Department of Anesthesiology, 112A, Zablocki VA Medical Center, Milwaukee, WI 53295, USA
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18
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Pirie KP, Wang A, Yu J, Teng B, Doane MA, Myles PS, Riedel B. Postoperative analgesia for upper gastrointestinal surgery: a retrospective cohort analysis. Perioper Med (Lond) 2023; 12:40. [PMID: 37464387 DOI: 10.1186/s13741-023-00324-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 07/03/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Thoracic epidural analgesia is commonly used for upper gastrointestinal surgery. Intrathecal morphine is an appealing opioid-sparing non-epidural analgesic option, especially for laparoscopic gastrointestinal surgery. METHODS Following ethics committee approval, we extracted data from the electronic medical records of patients at Royal North Shore Hospital (Sydney, Australia) that had upper gastrointestinal surgery between November 2015 and October 2020. Postoperative morphine consumption and pain scores were modelled with a Bayesian mixed effect model. RESULTS A total of 427 patients were identified who underwent open (n = 300), laparoscopic (n = 120) or laparoscopic converted to open (n = 7) upper gastrointestinal surgery. The majority of patients undergoing open surgery received a neuraxial technique (thoracic epidural [58%, n = 174]; intrathecal morphine [21%, n = 63]) compared to a minority in laparoscopic approaches (thoracic epidural [3%, n = 4]; intrathecal morphine [12%, n = 14]). Intrathecal morphine was superior over non-neuraxial analgesia in terms of lower median oral morphine equivalent consumption and higher probability of adequate pain control; however, this effect was not sustained beyond postoperative day 2. Thoracic epidural analgesia was superior to both intrathecal and non-neuraxial analgesia options for both primary outcomes, but at the expense of higher rates of postoperative hypotension (60%, n = 113) and substantial technique failure rates (32%). CONCLUSIONS We found that thoracic epidural analgesia was superior to intrathecal morphine, and intrathecal morphine was superior to non-neuraxial analgesia, in terms of reduced postoperative morphine requirements and the probability of adequate pain control in patients who underwent upper gastrointestinal surgery. However, the benefits of thoracic epidural analgesia and intrathecal morphine were not sustained across all time periods regarding control of pain. The study is limited by its retrospective design, heterogenous group of upper gastrointestinal surgeries and confounding by indication.
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Affiliation(s)
- Katrina P Pirie
- Department of Anaesthesiology and Perioperative Medicine, Alfred Hospital, Melbourne, Australia.
- Central Clinical School, Monash University, Melbourne, Australia.
| | - Andy Wang
- Sydney Medical School (Northern), Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Anaesthetics, Royal Prince Alfred Hospital, Sydney, Australia
- Chris O'Brien Lifehouse, Sydney, Australia
- Department of Anaesthesia and Perioperative Medicine, Royal North Shore Hospital, Sydney, Australia
| | - Joanna Yu
- Department of Anaesthesia and Perioperative Medicine, Royal North Shore Hospital, Sydney, Australia
| | - Bao Teng
- Department of Anaesthesia and Perioperative Medicine, Royal North Shore Hospital, Sydney, Australia
| | - Matthew A Doane
- Sydney Medical School (Northern), Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Department of Anaesthesia and Perioperative Medicine, Royal North Shore Hospital, Sydney, Australia
- Kolling Research Institute, Sydney, Australia
- Northern Sydney Anaesthesia Research Institute, Sydney, Australia
| | - Paul S Myles
- Department of Anaesthesiology and Perioperative Medicine, Alfred Hospital, Melbourne, Australia
- Central Clinical School, Monash University, Melbourne, Australia
| | - Bernhard Riedel
- Department of Anaesthesia, Perioperative and Pain Medicine, Peter MacCallum Cancer Centre, Melbourne, Australia
- Department of Critical Care, University of Melbourne, Melbourne, Australia
- Department of Oncology, Sir Peter MacCallum, University of Melbourne, Melbourne, Australia
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19
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Perry JS, Stoll KE, Allen AD, Hahn JC, Ostrum RF. The Opioid Risk Tool Correlates With Increased Postsurgical Opioid Use Among Patients With Orthopedic Trauma. Orthopedics 2023; 46:e219-e222. [PMID: 36779730 DOI: 10.3928/01477447-20230207-04] [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] [Indexed: 02/14/2023]
Abstract
The aim of this study was to determine whether the Opioid Risk Tool (ORT), which has been validated in patients with chronic pain, relates to postoperative opioid consumption. The purpose was to investigate a tool that could help identify patients with orthopedic trauma at high risk for opioid abuse. Patients 18 to 80 years old presenting between May 2018 and August 2018 to UNC Hospitals with isolated orthopedic injuries that required surgical intervention were considered for inclusion. At 2 weeks postoperatively, the ORT was administered. At 6 weeks postoperatively, total morphine milligram equivalents (MME) was determined for each patient. Each patient was also categorized as either low risk (LR) or moderate to high risk (M-HR) based on the cumulative ORT score. Finally, opioid prescriptions provided after 6 weeks postoperatively was recorded. One hundred four patients met the inclusion criteria, and 42 completed the questionnaire. Thirty patients were categorized as LR and 12 patients as M-HR. Patients who were at M-HR consumed a significantly higher MME than LR patients (LR=406 [95% CI, 287-526]; M-HR=824 [95% CI, 591-1057]; P=.001). Linear regression analysis showed that for each additional risk factor, opioid consumption increased by 61 MME, and approximately 58% of the variation in opioid consumption could be explained by the ORT (beta=61, R2=0.58, P=.02). In this study, the ORT predicted which patients would have increased opioid consumption after orthopedic trauma surgery. Each additional risk factor correlated with increased opioid use. The ORT did not predict which patients would continue to receive opioid prescriptions after 6 weeks postoperatively. [Orthopedics. 2023;46(4):e219-e222.].
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Morgan K, Solomon LM, Jones N, Picco L, Nielsen S. Building knowledge in opioid prescribing in post-operative treatment. INTERNATIONAL JOURNAL OF PHARMACY PRACTICE 2023:7142871. [PMID: 37186142 DOI: 10.1093/ijpp/riad024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 04/02/2023] [Indexed: 05/17/2023]
Abstract
INTRODUCTION Opioids prescribed in hospital are a key risk factor for harm in the community. This study aimed to gain an in-depth understanding of factors affecting post-operative opioid prescribing amongst clinicians using the capability, opportunity, motivation generate behaviour framework, more commonly known as COM-B. METHODS Focus groups and semi-structured interviews were used to gain an in-depth understanding of factors affecting optimal practice when prescribing opioids for post-operative patients at discharge. A topic guide was written using the COM-B behaviour change model to ensure the full range of possible factors influencing prescribing behaviours were explored. RESULTS We found barriers and facilitators of optimal opioid prescribing practice across all three domains of capability, opportunity and motivation. Capability among junior doctors could be increased in the areas of risk assessment and prescribing appropriate discharge analgesia, though education and training were not key barriers to improving practice. Findings indicated that opportunity to practice optimal prescribing was hindered by a lack of time at discharge and technology. Beliefs about one's own and others' responsibilities also impacted motivation to practice optimal prescribing behaviours. Pharmacists were identified as key supports for patient education and appropriate prescribing. CONCLUSIONS Educating prescribers about opioid risks and clinical practice guidelines are necessary interventions, however, our findings indicate that if implemented in isolation, they may not have the desired impact. Interventions also need to address discharge time pressures and presumptions that GPs are aware of whether opioids should be ceased or continued after surgical discharge.
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Affiliation(s)
- Kirsty Morgan
- Peninsula Health, Frankston, Victoria, Australia
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University Peninsula Campus, Frankston, Victoria, Australia
| | | | | | - Louisa Picco
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University Peninsula Campus, Frankston, Victoria, Australia
| | - Suzanne Nielsen
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University Peninsula Campus, Frankston, Victoria, Australia
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Doleman B, Mathiesen O, Sutton AJ, Cooper NJ, Lund JN, Williams JP. Non-opioid analgesics for the prevention of chronic postsurgical pain: a systematic review and network meta-analysis. Br J Anaesth 2023; 130:719-728. [PMID: 37059625 DOI: 10.1016/j.bja.2023.02.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/27/2023] [Accepted: 02/19/2023] [Indexed: 04/16/2023] Open
Abstract
BACKGROUND Chronic postsurgical pain is common after surgery. Identification of non-opioid analgesics with potential for preventing chronic postsurgical pain is important, although trials are often underpowered. Network meta-analysis offers an opportunity to improve power and to identify the most promising therapy for clinical use and future studies. METHODS We conducted a PRISMA-NMA-compliant systematic review and network meta-analysis of randomised controlled trials of non-opioid analgesics for chronic postsurgical pain. Outcomes included incidence and severity of chronic postsurgical pain, serious adverse events, and chronic opioid use. RESULTS We included 132 randomised controlled trials with 23 902 participants. In order of efficacy, i.v. lidocaine (odds ratio [OR] 0.32; 95% credible interval [CrI] 0.17-0.58), ketamine (OR 0.64; 95% CrI 0.44-0.92), gabapentinoids (OR 0.67; 95% CrI 0.47-0.92), and possibly dexmedetomidine (OR 0.36; 95% CrI 0.12-1.00) reduced the incidence of chronic postsurgical pain at ≤6 months. There was little available evidence for chronic postsurgical pain at >6 months, combinations agents, chronic opioid use, and serious adverse events. Variable baseline risk was identified as a potential violation to the network meta-analysis transitivity assumption, so results are reported from a fixed value of this, with analgesics more effective at higher baseline risk. The confidence in these findings was low because of problems with risk of bias and imprecision. CONCLUSIONS Lidocaine (most effective), ketamine, and gabapentinoids could be effective in reducing chronic postsurgical pain ≤6 months although confidence is low. Moreover, variable baseline risk might violate transitivity in network meta-analysis of analgesics; this recommends use of our methods in future network meta-analyses. SYSTEMATIC REVIEW PROTOCOL PROSPERO CRD42021269642.
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Affiliation(s)
- Brett Doleman
- Department of Anaesthesia and Surgery, Graduate Entry Medicine, University of Nottingham, Royal Derby Hospital, Nottingham, UK.
| | - Ole Mathiesen
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Anaesthesia, Zealand University Hospital, Køge, Denmark
| | - Alex J Sutton
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Nicola J Cooper
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Jon N Lund
- Department of Anaesthesia and Surgery, Graduate Entry Medicine, University of Nottingham, Royal Derby Hospital, Nottingham, UK
| | - John P Williams
- Department of Anaesthesia and Surgery, Graduate Entry Medicine, University of Nottingham, Royal Derby Hospital, Nottingham, UK
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Lam T, Xia T, Biggs N, Treloar M, Cheng O, Kabu K, Stevens JA, Evans JD, da Gama ME, Lubman DI, Nielsen S. Effect of discharge opioid on persistent postoperative opioid use: a retrospective cohort study comparing tapentadol with oxycodone. Anaesthesia 2023; 78:420-431. [PMID: 36535726 DOI: 10.1111/anae.15933] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2022] [Indexed: 12/24/2022]
Abstract
Opioid harm can vary by opioid type. This observational study examined the effect of opioid type (oxycodone vs. tapentadol) on rates of persistent postoperative opioid use ('persistence'). We linked hospital and community pharmacy data for surgical patients who were dispensed discharge opioids between 1 January 2016 and 30 September 2021. Patients were grouped by opioid experience ('opioid-naive' having received no opioids in the 3 months before discharge) and formulation of discharge opioid (immediate release only or modified release ± immediate release). Mixed-effects logistic regression models predicted persistence (continued use of any opioid at 90 days after discharge), controlling for key persistence risk factors. Of the 122,836 patients, 2.31% opioid-naive and 27.24% opioid-experienced patients met the criteria for persistence. For opioid-naive patients receiving immediate release opioids, there was no significant effect of opioid type. Tapentadol modified release was associated with significantly lower odds of persistence compared with oxycodone modified release, OR (95%CI) 0.81 (0.69-0.94) for opioid-naive patients and 0.81 (0.71-0.93) for opioid-experienced patients. Among patients who underwent orthopaedic surgery (n = 19,832), regardless of opioid experience or opioid formulation, the odds of persistence were significantly lower for those who received tapentadol compared with oxycodone. This was one of the largest and most extensive studies of persistent postoperative opioid use, and the first that specifically examined persistence with tapentadol. There appeared to be lower odds of persistence for tapentadol compared with oxycodone among key subgroups, including patients prescribed modified release opioids and those undergoing orthopaedic surgery.
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Affiliation(s)
- T Lam
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Frankston, VIC, Australia
| | - T Xia
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Frankston, VIC, Australia
| | - N Biggs
- NostraData, Kew, VIC, Australia
| | | | - O Cheng
- IQVIA, St Leonards, NSW, Australia
| | - K Kabu
- IQVIA, St Leonards, NSW, Australia
| | - J A Stevens
- St Vincent's Clinical School, UNSW Medicine, Darlinghurst, NSW, Australia
| | - J D Evans
- Slade Pharmacy, Mount Waverley, VIC, Australia
| | | | - D I Lubman
- Monash Addiction Research Centre, Turning Point, Eastern Health Clinical School, Monash University, Frankston, Richmond, VIC, Australia
| | - S Nielsen
- Monash Addiction Research Centre, Turning Point, Eastern Health Clinical School, Monash University, Frankston, Richmond, VIC, Australia
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Pester BD, Yoon J, Yamin JB, Papianou L, Edwards RR, Meints SM. Let’s Get Physical! A Comprehensive Review of Pre- and Post-Surgical Interventions Targeting Physical Activity to Improve Pain and Functional Outcomes in Spine Surgery Patients. J Clin Med 2023; 12:jcm12072608. [PMID: 37048691 PMCID: PMC10095133 DOI: 10.3390/jcm12072608] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/20/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
The goal of this comprehensive review was to synthesize the recent literature on the efficacy of perioperative interventions targeting physical activity to improve pain and functional outcomes in spine surgery patients. Overall, research in this area does not yet permit definitive conclusions. Some evidence suggests that post-surgical interventions may yield more robust long-term outcomes than preoperative interventions, including large effect sizes for disability reduction, although there are no studies directly comparing these surgical approaches. Integrated treatment approaches that include psychosocial intervention components may supplement exercise programs by addressing fear avoidance behaviors that interfere with engagement in activity, thereby maximizing the short- and long-term benefits of exercise. Efforts should be made to test brief, efficient programs that maximize accessibility for surgical patients. Future work in this area should include both subjective and objective indices of physical activity as well as investigating both acute postoperative outcomes and long-term outcomes.
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Affiliation(s)
- Bethany D. Pester
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Chestnut Hill, MA 02467, USA
- Harvard Medical School, Boston, MA 02115, USA
- Correspondence: ; Tel.: +1-973-464-6386
| | - Jihee Yoon
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Chestnut Hill, MA 02467, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Jolin B. Yamin
- Harvard Medical School, Boston, MA 02115, USA
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Lauren Papianou
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Chestnut Hill, MA 02467, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Robert R. Edwards
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Chestnut Hill, MA 02467, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Samantha M. Meints
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Chestnut Hill, MA 02467, USA
- Harvard Medical School, Boston, MA 02115, USA
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Walsh K, Gezer N, Gaborit L, Zhou W, Banerjee A. Bones, groans and sending patients home: Perioperative opioid-related harm reduction strategy utilisation in a regional New South Wales (NSW) hospital. Aust J Rural Health 2023. [PMID: 36745537 DOI: 10.1111/ajr.12965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 12/21/2022] [Accepted: 01/01/2023] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE Perioperative initiation of opioids continues to be a major contributor to chronic use, misuse and diversion in regional areas. There is considerable effort to mitigate harm through avoiding excessive prescribing and reducing the risk of persistent postoperative opioid use. Improving perioperative documentation practices has been reported to ensure appropriate opioid initiation and de-escalation. It has not been established whether these strategies are utilised in regional hospitals. METHODS A retrospective observational study of perioperative opioid prescribing and documentation practices in Goulburn Base Hospital, a regional centre in the Southern New South Wales (NSW) Local Health District. Data were collected from 110 records and validated for adult patients undergoing elective total knee replacement (TKR) or total hip replacement (THR) from 12 January 2020 to 13 January 2021. OUTCOME MEASURES To observe perioperative opioid prescribing and utilisation of harm reduction strategies in a regional hospital. RESULTS 65% of patients were opioid naïve (ON). Preoperative pain assessments and patient education were completed in 23% and 15% of records, respectively. Postoperative opioids were prescribed for 99% of patients, with 74% prescribed a slow-release (SR) formulation. 50% of patients were discharged with an SR prescription. Inadequate postoperative pain control was reported in 21% of patients. Of the 103 patients prescribed opioids on discharge, only 20% included a de-escalation plan and only 35% of discharge summaries included dose and quantity of opioids supplies. CONCLUSIONS This study has identified underutilisation of perioperative harm reduction strategies despite the potential to improve appropriate initiation and de-escalation of opioids. These findings highlight opportunities for improvement in regional hospitals.
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Affiliation(s)
- Kelsey Walsh
- ANU Medical School, Garran, Australian Capital Territory, Australia
| | - Nesha Gezer
- ANU Medical School, Garran, Australian Capital Territory, Australia
| | - Lorane Gaborit
- ANU Medical School, Garran, Australian Capital Territory, Australia
| | - William Zhou
- ANU Medical School, Garran, Australian Capital Territory, Australia
| | - Arnab Banerjee
- Goulburn Base Hospital, ANU Medical School, Goulburn, New South Wales, Australia
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Kim K, Biskupiak JE, Babin JL, Ilham S. Positive Association between Peri-Surgical Opioid Exposure and Post-Discharge Opioid-Related Outcomes. Healthcare (Basel) 2022; 11:healthcare11010115. [PMID: 36611576 PMCID: PMC9819163 DOI: 10.3390/healthcare11010115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 01/04/2023] Open
Abstract
Background: Multiple studies have investigated the epidemic of persistent opioid use as a common postsurgical complication. However, there exists a knowledge gap in the association between the level of opioid exposure in the peri-surgical setting and post-discharge adverse outcomes to patients and healthcare settings. We analyzed the association between peri-surgical opioid exposure use and post-discharge outcomes, including persistent postsurgical opioid prescription, opioid-related symptoms (ORS), and healthcare resource utilization (HCRU). Methods: A retrospective cohort study included patients undergoing cesarean delivery, hysterectomy, spine surgery, total hip arthroplasty, or total knee arthroplasty in an academic healthcare system between January 2015 and June 2018. Peri-surgical opioid exposure was converted into morphine milligram equivalents (MME), then grouped into two categories: high (>median MME of each surgery cohort) or low (≤median MME of each surgery cohort) MME groups. The rates of persistent opioid use 30 and 90 days after discharge were compared using logistic regression. Secondary outcomes, including ORS and HCRU during the 180-day follow-up, were descriptively compared between the high and low MME groups. Results: The odds ratios (95% CI) of high vs. low MME for persistent opioid use after 30 and 90 days of discharge were 1.38 (1.24−1.54) and 1.41 (1.24−1.61), respectively. The proportion of patients with one or more ORS diagnoses was greater among the high-MME group than the low-MME group (27.2% vs. 21.2%, p < 0.01). High vs. low MME was positively associated with the rate of inpatient admission, emergency department admissions, and outpatient visits. Conclusions: Greater peri-surgical opioid exposure correlates with a statistically and clinically significant increase in post-discharge adverse opioid-related outcomes. The study findings warrant intensive monitoring for patients receiving greater peri-surgical opioid exposure.
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Affiliation(s)
- Kibum Kim
- Department of Pharmacy Systems, Outcomes and Policy, University of Illinois at Chicago, Chicago, IL 60564, USA
- Department of Pharmacotherapy, University of Utah Health, Salt Lake City, UT 84112, USA
- Correspondence: ; Tel.: +1-312-413-0152; Fax: +1-312-996-2954
| | - Joseph E. Biskupiak
- Department of Pharmacotherapy, University of Utah Health, Salt Lake City, UT 84112, USA
- Pharmacotherapy Outcomes Research Center, University of Utah Health, Salt Lake City, UT 84112, USA
| | - Jennifer L. Babin
- Department of Pharmacotherapy, University of Utah Health, Salt Lake City, UT 84112, USA
| | - Sabrina Ilham
- Pharmacotherapy Outcomes Research Center, University of Utah Health, Salt Lake City, UT 84112, USA
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26
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Zhang NM, Daly D, Terblanche M, Joshi S, Tacey M, Vesty G, Zheng Z. Doctors' and Nurses' Attitudes of Acupuncture and Acupressure use in Perioperative Care: An Australian National Survey. Pain Manag Nurs 2022; 23:800-810. [PMID: 36153218 DOI: 10.1016/j.pmn.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 08/07/2022] [Accepted: 08/13/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Acupuncture and acupressure are not being systematically used in the management of postoperative nausea and vomiting and pain, despite being included in the guidelines. AIM To examine the beliefs, attitudes, and knowledge of Australian nurses/midwives and doctors toward the perioperative use of AA for the management of postoperative nausea and vomiting and pain; to explore the barriers and enablers influencing acupuncture and acupressure integration into hospital setting. METHODS A mixed-mode approach was undertaken for data collection. An online approach was used to recruit respondents from Australian College of Perioperative Nurses. Three hospitals from three different Australian states were selected via convenience sampling. RESULTS A total of 421 usable surveys were included in data analysis. The respondents comprised 14.3% doctors and 72.9% nurses/midwives. Overall, 69.4% were female, 85% were trained in Australia with 35% and 51.4% having knowledge or personal exposure to AA in general respectively. Over 60% of the respondents agreed AA should be routinely integrated into perioperative care, and over 80% would recommend AA to their patients if it was provided at their hospital, and, 75% would be willing to receive further education. The three main reported barriers included: perceived lack of scientific evidence (80.9%), unavailability of credentialed provider (77.2%) and lack of reimbursement (60.4%). CONCLUSIONS Positive attitudes are reported by Australian doctors and nurses toward AA. This is despite of low levels of knowledge or personal exposure to AA. Further studies are required to explore the implementation of barriers and address respondent calls for further education.
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Affiliation(s)
- Nancy Ming Zhang
- School of Health and Biomedical Science, RMIT University, Bundoora, Melbourne, Australia; School of Nursing, Midwifery and Paramedicine, Australian Catholic University, Melbourne, Australia
| | - David Daly
- Department of Anaesthesia and Perioperative Medicine, The Alfred Hospital, Melbourne, Australia
| | - Morne Terblanche
- Department of Anaesthesia and Perioperative Medicine, Sunshine Coast University Hospital, Sunshine Coast, Queensland, Australia
| | - Sumati Joshi
- Operating Theatre, Shoalhaven District Memorial Hospital, Nowra, New South Wales, Australia
| | - Mark Tacey
- Northern Health, Epping, Victoria, Australia; School of Population and Global Health, The University of Melbourne, Parkville, Victoria, Australia
| | - Gillian Vesty
- School of Accounting, RMIT University, Melbourne, Australia
| | - Zhen Zheng
- School of Health and Biomedical Science, RMIT University, Bundoora, Melbourne, Australia.
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Pirie K, Traer E, Finniss D, Myles PS, Riedel B. Current approaches to acute postoperative pain management after major abdominal surgery: a narrative review and future directions. Br J Anaesth 2022; 129:378-393. [PMID: 35803751 DOI: 10.1016/j.bja.2022.05.029] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/27/2022] [Accepted: 05/28/2022] [Indexed: 11/02/2022] Open
Abstract
Poorly controlled postoperative pain is associated with increased morbidity, negatively affects quality of life and functional recovery, and is a risk factor for persistent pain and longer-term opioid use. Up to 10% of opioid-naïve patients have persistent opioid use after many types of surgeries. Opioid-related side-effects and the opioid abuse epidemic emphasise the need for alternative, opioid-minimising, multimodal analgesic strategies, including neuraxial (epidural/intrathecal) techniques, truncal nerve blocks, and lidocaine infusions. The preference for minimally invasive surgical techniques has changed anaesthetic and analgesic requirements in abdominal surgery compared with open laparotomy, leading to a decline in popularity of epidural anaesthesia and an increasing interest in intrathecal morphine and truncal nerve blocks. Limited research exists on patient quality of recovery using specific analgesic techniques after intra-abdominal surgery. Poorly controlled postoperative pain after major abdominal surgery should be a research priority as it affects patient-centred short-term and long-term outcomes (including quality of life scores, return to function measurements, disability-free survival) and has broad community health and economic implications.
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Affiliation(s)
- Katrina Pirie
- Department of Anaesthesiology and Perioperative Medicine, Alfred Hospital, Melbourne, Victoria, Australia; Central Clinical School, Monash University, Melbourne, Victoria, Australia.
| | - Emily Traer
- Department of Anaesthesia, Perioperative and Pain Medicine, Peter MacCallum Cancer Centre, Melbourne, Australia; Department of Critical Care, University of Melbourne, Melbourne, Australia
| | - Damien Finniss
- Department of Anaesthesia & Pain Management, Royal North Shore Hospital, Sydney, Australia
| | - Paul S Myles
- Department of Anaesthesiology and Perioperative Medicine, Alfred Hospital, Melbourne, Victoria, Australia; Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Bernhard Riedel
- Department of Anaesthesia, Perioperative and Pain Medicine, Peter MacCallum Cancer Centre, Melbourne, Australia; Department of Critical Care, University of Melbourne, Melbourne, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Australia
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Disparities in Opioid Prescribing for Long-Term Chronic and Short-Term Acute Pain: Findings from the 2019 National Health Interview Survey. J Behav Health Serv Res 2022; 49:315-334. [PMID: 35237905 DOI: 10.1007/s11414-022-09790-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2022] [Indexed: 10/19/2022]
Abstract
The CDC cautioned against prescribing opioids for long-term chronic pain because opioid use disorder (OUD) risk was greater compared to short-term use for acute pain. The study objective was to describe rates and characteristics of respondents prescribed opioids for long-term chronic and short-term acute pain. National Health Interview Survey respondents for 2019 aged 18 years and over were examined (n = 31,997). Bivariate and multivariable models demonstrated opioid use for long-term and acute pain relative to sociodemographic characteristics. About 12.3% of US adults took opioids in the last 12 months, and among those with chronic pain who had been prescribed opioids in the last 3 months, over half took opioids every day. The odds of taking opioids for long-term chronic pain decreased with increasing income and increased with advancing age. Opioid prescribing diverged from CDC recommendations. Less affluent older adults may be at increased risk for OUD.
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Samuel AR, Fuhr L, DeGeorge BR, Black J, Campbell C, Stranix JT. Prolonged Opioid Use Among Opioid-Naive Women Undergoing Breast Reconstructive Surgery. Arch Plast Surg 2022; 49:339-345. [PMID: 35832151 PMCID: PMC9142247 DOI: 10.1055/s-0042-1744419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Abstract
Background Patients that undergo mastectomy for breast cancer with reconstruction may be prone to prolonged opioid use. As risk factors are not well-established, this article sought to better understand the risk factors that may be associated with this.
Methods Patients that underwent breast reconstruction between 2010 and 2018 were identified in PearlDiver, a national insurance claims database. Patient demographics and comorbidities were elucidated, and various complications were then identified. Descriptive statistics as well as a multivariate analysis was used to evaluate the association of risk factors and complications.
Results Breast reconstruction patients of 24,765 were identified from this database. Obesity, tobacco use, benzodiazepine use, and anticonvulsant use were all associated with prolonged opioid prescriptions greater than 90 days after both alloplastic and autologous reconstruction.
Conclusion Prolonged opioid use continues to remain a topic of concern, and particularly in cancer patients that undergo breast reconstruction. Providers should be aware of potential risk factors for this to reduce this chance following breast reconstruction surgery.
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Affiliation(s)
- Ankhita R. Samuel
- Department of Plastic Surgery, University of Virginia, Charlottesville, Virginia
| | - Laura Fuhr
- Department of Plastic Surgery, University of Virginia, Charlottesville, Virginia
| | - Brent R. DeGeorge
- Department of Plastic Surgery, University of Virginia, Charlottesville, Virginia
| | - Jonathan Black
- Department of Plastic Surgery, University of Virginia, Charlottesville, Virginia
| | - Christopher Campbell
- Department of Plastic Surgery, University of Virginia, Charlottesville, Virginia
| | - John T. Stranix
- Department of Plastic Surgery, University of Virginia, Charlottesville, Virginia
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Suckling B, Pattullo C, Liu S, James P, Donovan P, Patanwala A, Penm J. Persistent opioid use after hospital discharge in Australia: a systematic review. AUST HEALTH REV 2022; 46:367-380. [PMID: 35545810 DOI: 10.1071/ah21353] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 02/17/2022] [Indexed: 11/23/2022]
Abstract
ObjectiveThis systematic review identified studies that provided an estimate of persistent opioid use following patient discharge from hospital settings in Australia.MethodsA literature search was performed on 5 December 2020, with no date restrictions to identify studies that reported a rate of persistent opioid use following patient discharge from Australian Hospitals. The search strategy combined all terms relating to the themes 'hospital patients', 'prescribing', 'opioids' and 'Australia'. Studies that dealt solely with cancer, palliative care or addiction medicine were excluded. The databases searched in this review were Embase, PubMed, Scopus, CINAHL, and International Pharmaceutical Abstracts. Studies were assessed for bias using the Newcastle-Ottawa Scale and considered against international literature.ResultsIn total, 13 publications are included for final analysis in this review. Of these, 11 articles relate to post-surgical opioid use. With one exception, studies were of a 'good' quality. Methods of data collection in included studies were a mixture of those conducting follow up of patients directly over time and those utilising dispensing databases. Persistent opioid use among surgical patients generally ranged from 3.9 to 10.5% at between 2 and 4 months after discharge.ConclusionsHow rates of persistent opioid use following hospital encounters in Australia are established, and how long after discharge rates are reported, is heterogeneous. Literature primarily relates to post-surgical patients, with very few studies investigating other settings such as encounters with the emergency department.
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Affiliation(s)
- Benita Suckling
- School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia; and Caboolture Hospital Pharmacy Department, Metro North Health, Queensland Health, Caboolture, Qld, Australia
| | - Champika Pattullo
- Clinical Pharmacology Department, Royal Brisbane and Women's Hospital, Queensland Health, Herston, Qld, Australia
| | - Shania Liu
- School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia; and Department of Pharmacy, Prince of Wales Hospital, Randwick, NSW, Australia
| | - Prudence James
- Redcliffe Hospital Pharmacy Department, Queensland Health, Redcliffe, Qld, Australia
| | - Peter Donovan
- Clinical Pharmacology Department, Royal Brisbane and Women's Hospital, Queensland Health, Herston, Qld, Australia
| | - Asad Patanwala
- School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia; and Department of Pharmacy, Royal Prince Alfred Hospital, Camperdown, NSW, Australia
| | - Jonathan Penm
- School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia; and Department of Pharmacy, Prince of Wales Hospital, Randwick, NSW, Australia
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Lam T, Biggs N, Xia T, Evans J, Stevens J, da Gama M, Lubman DI, Nielsen S. Comparing opioid types in the persistence of opioid use following surgical admission: a study protocol for a retrospective observational linkage study comparing tapentadol and oxycodone in Australia. BMJ Open 2022; 12:e060151. [PMID: 35418442 PMCID: PMC9014068 DOI: 10.1136/bmjopen-2021-060151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
INTRODUCTION Each year, an estimated two million Australians commence opioids, with 50 000 developing longer-term (persistent) opioid use. An estimated 3%-10% of opioid-naïve patients prescribed opioids following surgery develop persistent opioid use. This study will compare rates of persistent opioid use between two commonly used postoperative opioids, oxycodone and tapentadol, to understand if initial postoperative opioid type is important in determining longer-term outcomes. METHODS AND ANALYSIS A retrospective data linkage study that analyses administrative data from hospital and community pharmacies. Data will be obtained from at least four pharmacies that service large hospitals with comparable supplies of oxycodone and tapentadol. The study will include at least 6000 patients who have been dispensed a supply of oxycodone or tapentadol to take home following their discharge from a surgical ward. The primary outcome measure will be persistent opioid use at 3 months postdischarge for opioid naïve people who receive either immediate release tapentadol or immediate release oxycodone. Hierarchical logistic regression models will be used to predict persistent opioid use, controlling for covariates including comorbidities. ETHICS AND DISSEMINATION Ethics approval has been obtained through the Monash University Human Research Ethics Committee (29977). We will present project findings in a peer-reviewed journal article, in accordance with the REporting of studies Conducted using Observational Routinely-collected health Data statement.
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Affiliation(s)
- Tina Lam
- Monash Addiction Research Centre, Monash University, Frankston, Victoria, Australia
| | | | - Ting Xia
- Monash Addiction Research Centre, Monash University, Frankston, Victoria, Australia
| | - John Evans
- Slade Pharmacy, Mount Waverley, Victoria, Australia
| | - Jennifer Stevens
- St Vincent's Clinical School, University of New South Wales, Darlinghurst, New South Wales, Australia
| | | | - Dan I Lubman
- Monash Addiction Research Centre, Monash University, Frankston, Victoria, Australia
- Turning Point, Eastern Health Clinical School, Monash University, Richmond, Victoria, Australia
| | - Suzanne Nielsen
- Monash Addiction Research Centre, Monash University, Frankston, Victoria, Australia
- Turning Point, Eastern Health Clinical School, Monash University, Richmond, Victoria, Australia
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Beyene KA, Chan AHY, Aquite OM, Kumar M, Moore S, Park YJ, Ruohonen T, Gong J. Postdischarge opioid use and persistent use after general surgery: A retrospective study. Surgery 2022; 172:602-611. [DOI: 10.1016/j.surg.2022.02.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/08/2022] [Accepted: 02/28/2022] [Indexed: 11/28/2022]
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Craigie MJ. Opioids caught in the crosshairs: Towards smarter and safer use of opioids in daily clinical practice. Anaesth Intensive Care 2022; 50:10-14. [PMID: 35297290 DOI: 10.1177/0310057x211068260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Meredith J Craigie
- Adelaide Medical School, The University of Adelaide, Adelaide, Australia.,Central Adelaide Local Health Network Pain Management Unit, The Queen Elizabeth Hospital, Woodville, Australia
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Abstract
Opioid-induced ventilatory impairment is the primary mechanism of harm from opioid use. Opioids suppress the activity of the central respiratory centres and are sedating, leading to impairment of alveolar ventilation.Respiratory physiological changes induced with acute opioid use include depression of the hypercapnic ventilatory response and hypoxic ventilatory response. In chronic opioid use a compensatory increase in hypoxic ventilatory response maintains ventilation and contributes to the onset of sleep-disordered breathing patterns of central sleep apnoea and ataxic breathing. Supplemental oxygen use in those at risk of opioid-induced ventilatory impairment requires careful consideration by the clinician to prevent failure to detect hypoventilation, if oximetry is being relied on, and the overriding of hypoxic ventilatory drive. Obstructive sleep apnoea and opioid-induced ventilatory impairment are frequently associated, with this interrelationship being complex and often unpredictable. Monitoring the patient for opioid-induced ventilatory impairment poses challenges in the areas of reliability, avoidance of alarm fatigue, cost, and personnel demands. Many situations remain in which patients cannot be provided effective analgesia without opioids, and for these the clinician requires a comprehensive knowledge of opioid-induced ventilatory impairment.
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Affiliation(s)
- Gavin G Pattullo
- Department of Anaesthesia and Pain Management, Royal North Shore Hospital, St Leonards, Australia
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35
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Stevens JA, Findlay BR. How to close the gaps between evidence and practice for perioperative opioids. Anaesth Intensive Care 2022; 50:44-51. [PMID: 35170349 DOI: 10.1177/0310057x211065041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Excellent resources are now available that distil the best evidence around opioid prescribing in the perioperative period, including the list of recommendations provided by the international multidisciplinary consensus statement on the prevention of opioid-related harm in adult surgical patients. While some of the recommendations have been widely accepted as an essential part of postoperative practice, others have had slow and variable adoption. This article focuses on the items where theory and practice still diverge and suggests how best to close that gap. We must also remain mindful that while education is essential, it is on the lowest rung of implementation efficacy and, on its own, is a poor driver of behaviour change. Ongoing structural nudges and the use of local procedure-specific analgesic pathways will also be helpful in addressing the gap between evidence-based recommendations and practice.
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Affiliation(s)
- Jennifer A Stevens
- St Vincent's Clinical School, University of New South Wales, Sydney, Australia.,School of Medicine, University of Notre Dame, Sydney, Australia.,Brian Dwyer Department of Anaesthesia, St Vincent's Hospital, Sydney, Australia
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Abstract
Misuse of prescription opioids forced an inevitable response from authorities to intervene with consequences felt by all.In the Australian community one person will die for approximately every 3600 adults prescribed opioids, while in the hospital setting a postoperative patient managed primarily with opioids, as opposed to epidural analgesia, has an additional risk of death as high as between one in 56 to 477.Opioids maintain a valid role in acute pain management when use is reasoned and with full awareness of the harms and how they are to be avoided, such as in those at risk of ongoing use, the opioid naïve, and when opioid-induced ventilatory impairment may occur.Clinicians managing acute pain can focus on assessing pain versus nociception, strategically apply antinociceptive medications and neural blockade when indicated, assess pain with an emphasis on the degree of bothersomeness and functional impairment and, finally, optimise the use of framing and placebo-enhancing communication to minimise reliance on medications.
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Affiliation(s)
- Gavin G Pattullo
- Department of Anaesthesia and Pain Management, Royal North Shore Hospital, St Leonards, Australia
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Pirie K, Doane MA, Riedel B, Myles PS. Analgesia for major laparoscopic abdominal surgery: a randomised feasibility trial using intrathecal morphine. Anaesthesia 2022; 77:428-437. [PMID: 35038165 DOI: 10.1111/anae.15651] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/03/2021] [Indexed: 11/28/2022]
Abstract
Effective pain control enhances patient recovery after surgery. Laparoscopic techniques for major abdominal surgery are increasingly utilised to reduce surgical trauma. Intrathecal morphine is an attractive analgesic option that is gaining popularity. However, limited evidence guides its use in the setting of laparoscopic surgery. In addition, enhanced recovery after surgery pathways advocate opioid-sparing techniques. We conducted a feasibility trial to compare intrathecal morphine with non-neuraxial analgesia in laparoscopic or laparoscopic-assisted major abdominal surgery to inform the design of a future large clinical trial. This multicentre, double-blind, randomised controlled trial was conducted at two tertiary hospitals in Australia. Fifty-one patients were randomly allocated to receive either intrathecal morphine (intervention group) or a sham subcutaneous injection of normal saline in the lumbar area (control group) immediately before the induction of general anaesthesia. Co-primary outcomes were patient recruitment and successful adherence to treatment allocation as per the study protocol. The primary endpoints of feasibility and protocol adherence were met with a 46% recruitment rate (51 of 110 eligible patients) and 96% protocol adherence. There was only one patient with failed access to the intrathecal space. For secondary endpoints, fewer patients in the intrathecal morphine group required opioids in the post-anaesthesia care unit, their postoperative pain scores at rest were lower across the four time-points measured (p = 0.007), but not dynamic pain scores (p = 0.061), and pruritus was more common following intrathecal morphine (p = 0.007). Total oral morphine equivalents until postoperative day 3 were less in the intrathecal morphine group (median (95%CI) difference 82 (-13 to 168) mg), but this reduction was not statistically significant (p = 0.10). These findings support conducting a definitive clinical trial.
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Affiliation(s)
- K Pirie
- Department of Anaesthesia and Pain Medicine, Royal North Shore Hospital, Sydney, NSW, Australia
| | - M A Doane
- Department of Anaesthesia and Pain Medicine, Royal North Shore Hospital, Sydney, NSW, Australia
| | - B Riedel
- Department of Anaesthesia, Peri-operative and Pain Medicine, Peter MacCallum Cancer Centre, Melbourne, Vic., Australia
| | - P S Myles
- Department of Anaesthesiology and Peri-operative Medicine, Alfred Hospital, Melbourne, Vic., Australia
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Cameron CM, McCreanor V, Shibl R, Smyth T, Proper M, Warren J, Vallmuur K, Bradford N, Carter H, Graves N, Loveday B. Community Opioid Dispensing after Injury (CODI): Protocol for a retrospective population-based cohort study (Preprint). JMIR Res Protoc 2022; 11:e36357. [PMID: 35412468 PMCID: PMC9044141 DOI: 10.2196/36357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/04/2022] Open
Abstract
Background There is an urgent need to reduce preventable deaths and hospitalizations from prescription opioid harms and minimize the negative effect opioid misuse can have on injured individuals, families, and the wider community. Data linkage between administrative hospitalization records for injured patients and community opioid dispensing can improve our understanding of the health and surgical trajectories of injured persons and generate insights into corresponding opioid dispensing patterns. Objective The Community Opioid Dispensing after Injury (CODI) study aims to link inpatient hospitalization data with opioid dispensing data to examine the distribution and predictive factors associated with high or prolonged community opioid dispensing among adults, for 2 years following an injury-related hospital admission. Methods This is a retrospective population-based cohort study of adults aged 18 years or older hospitalized with an injury in Queensland, Australia. The study involves the linkage of statewide hospital admissions, opioid prescription dispensing, and mortality data collections. All adults hospitalized for an injury between January 1, 2014, and December 31, 2015, will be included in the cohort. Demographics and injury factors are recorded at the time of the injury admission. Opioid dispensing data will be linked and extracted for 3 months prior to the injury admission date to 2 years after the injury separation date (last date December 31, 2017). Deaths data will be extracted for the 2-year follow-up period. The primary outcome measure will be opioid dispensing (frequency and quantity) in the 2 years following the injury admission. Patterns and factors associated with community opioid dispensing will be examined for different injury types, mechanisms, and population subgroups. Appropriate descriptive statistics will be used to describe the cohort. Regression models will be used to examine factors predictive of levels and duration of opioid use. Nonparametric methods will be applied when the data are not normally distributed. Results The project is funded by the Royal Brisbane and Women’s Hospital Foundation. As of November 2021, all ethics and data custodian approvals have been granted. Data extraction and linkage has been completed. Data management and analysis is underway with results relating to an analysis for blunt chest trauma patients expected to be published in 2022. Conclusions Little is currently known of the true prevalence or patterns of opioid dispensing following injury across Queensland. This study will provide new insights about factors associated with high and long-term opioid dispensing at a population level. This information is essential to inform targeted public policy and interventions to reduce the risk of prolonged opioid use and dependence for those injured. The novel work undertaken for this project will be vital to planning, delivering, monitoring, and evaluating health care services for those injured. The findings of this study will be used to inform key stakeholders as well as clinicians and pain management services. International Registered Report Identifier (IRRID) RR1-10.2196/36357
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Affiliation(s)
- Cate M Cameron
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health, Brisbane, Australia
- Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, Australia
| | - Victoria McCreanor
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health, Brisbane, Australia
- Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, Australia
| | - Rania Shibl
- School of Science Technology and Engineering, University of the Sunshine Coast, Petrie, Australia
| | - Tanya Smyth
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health, Brisbane, Australia
| | - Melanie Proper
- Royal Brisbane and Women's Hospital, Metro North Health, Herston, Australia
| | - Jacelle Warren
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health, Brisbane, Australia
- Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, Australia
| | - Kirsten Vallmuur
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Metro North Health, Brisbane, Australia
- Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, Australia
| | - Natalie Bradford
- Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, Australia
| | - Hannah Carter
- Australian Centre for Health Services Innovation and Centre for Healthcare Transformation, Queensland University of Technology, Kelvin Grove, Australia
| | - Nicholas Graves
- Health Services & Systems Research, Duke-NUS Medical School, Singapore, Singapore
| | - Bill Loveday
- QScript Management Unit, Queensland Health, Brisbane, Australia
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Hallowell BD, Chambers LC, Barre L, Diao N, Onyejekwe C, Banks A, Bratberg J, Weidele H, Viner-Brown S, McDonald J. Association between initial opioid prescription diagnosis type and subsequent chronic prescription opioid use in Rhode Island: a population-based cohort study. BMJ Open 2022; 12:e050540. [PMID: 34992104 PMCID: PMC8739418 DOI: 10.1136/bmjopen-2021-050540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE To identify initial diagnoses associated with elevated risk of chronic prescription opioid use. DESIGN Population-based, retrospective cohort study. SETTING State of Rhode Island. PARTICIPANTS Rhode Island residents with an initial opioid prescription dispensed between 1 April 2019 and 31 March 2020. PRIMARY OUTCOME MEASURE Subsequent chronic prescription opioid use, defined as receiving 60 or more days' supply of opioids in the 90 days following an initial opioid prescription. RESULTS Among the 87 055 patients with an initial opioid prescription, 3199 (3.7%) subsequently became chronic users. Patients who become chronic users tended to receive a longer days' supply, greater quantity dispensed, but a lower morphine milligram equivalents on the initial opioid prescription. Patients prescribed an initial opioid prescription for diseases of the musculoskeletal system and connective tissue (adjusted OR (aOR): 5.9, 95% CI: 4.7 to 7.6), diseases of the nervous system (aOR: 6.3, 95% CI: 4.9 to 8.0) and neoplasms (aOR: 5.6, 95% CI: 4.2 to 7.5) had higher odds of subsequent chronic prescription opioid use, compared with a referent group that included all diagnosis types with fewer than 15 chronic opioid users, after adjusting for confounders. CONCLUSIONS By focusing interventions and prescribing guidelines on specific types of diagnoses that carry a high risk of chronic prescription opioid use and diagnoses that would benefit equally or more from alternative management approaches, states and healthcare organisations may more efficiently decrease inappropriate opioid prescribing while improving the quality of patient care.
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Affiliation(s)
| | - Laura C Chambers
- Rhode Island Department of Health, Providence, Rhode Island, USA
| | - Luke Barre
- Roger Williams Medical Center, Providence, Rhode Island, USA
| | - Nancy Diao
- Rhode Island Department of Health, Providence, Rhode Island, USA
| | | | - Alexandra Banks
- School of Public Health, Brown University, Providence, Rhode Island, USA
| | - Jeffery Bratberg
- College of Pharmacy, University of Rhode Island, Kingston, Rhode Island, USA
| | - Heidi Weidele
- Rhode Island Department of Health, Providence, Rhode Island, USA
| | | | - James McDonald
- Rhode Island Department of Health, Providence, Rhode Island, USA
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Stone AV, Murphy ML, Jacobs CA, Lattermann C, Hawk GS, Thompson KL, Conley CEW. Mood Disorders Are Associated with Increased Perioperative Opioid Usage and Health Care Costs in Patients Undergoing Knee Cartilage Restoration Procedure. Cartilage 2022; 13:19476035221087703. [PMID: 35333656 PMCID: PMC9137305 DOI: 10.1177/19476035221087703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 01/19/2022] [Accepted: 02/16/2022] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE To identify the prevalence of mood disorder diagnoses in patients undergoing cartilage transplantation procedures and determine the relationship between mood disorders, opioid usage, and postoperative health care costs. DESIGN Patients with current procedural terminology (CPT) codes for osteochondral autograft transplantation (OAT), osteochondral allograft transplantation (OCA), and autologous chondrocyte implantation (ACI) were identified in the Truven Health Marketscan database (January 2009-September 2014). Patients were grouped based on having a preoperative mood disorder diagnosis (preMDD). Preoperative opioids, postoperative opioids ≥90 days, and health care costs within the year postoperative were compared for those with and without mood disorders. Costs were analyzed, adjusting for preoperative cost, sex, age, and opioid usage, for those with and without mood disorders. RESULTS A total of 3,682 patients were analyzed (ACI: 690, OAT: 1,294, OCA: 1,698). A quarter of patients had preMDD (ACI: 25.4%, OAT: 20.6%, OCA: 22.7%). Postoperative opioid use was more prevalent in preMDD patients (OAT: 37.1% vs. 24.1%, P < 0.001; OCA: 30.4% vs. 24.8%, P = 0.032; ACI: 33.7% vs. 26.2%, P = 0.070) (odds ratio [OR] ranged from 1.29 to 1.86). First-year postoperative log-transformed costs were significantly greater for preMDD patients (ACI: $7,733 vs. $5,689*, P = 0.012; OAT: $5,221 vs. $3,823*, P < 0.001; OCA: $6,973 vs. $3,992*, P < 0.001; *medians reported). The estimated adjusted first postoperative year cost increase for preMDD OCA patients was 41.7% (P < 0.001) and 28.0% for OAT patients (P = 0.034). There was no statistical difference for ACI patients (P = 0.654). CONCLUSION Cartilage transplantation patients have a high prevalence of preoperative mood disorders. Opioid use and health care costs were significantly greater for patients with preoperative mood disorder diagnoses. LEVEL OF EVIDENCE Level III, retrospective therapeutic study.
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Affiliation(s)
- Austin V. Stone
- Department of Orthopedic Surgery & Sports Medicine, University of Kentucky, Lexington, KY, USA
| | - Meredith L. Murphy
- Department of Orthopedic Surgery & Sports Medicine, University of Kentucky, Lexington, KY, USA
| | - Cale A. Jacobs
- Department of Orthopedic Surgery & Sports Medicine, University of Kentucky, Lexington, KY, USA
| | - Christian Lattermann
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Gregory S. Hawk
- Department of Statistics, University of Kentucky, Lexington, KY, USA
| | | | - Caitlin E. W. Conley
- Department of Orthopedic Surgery & Sports Medicine, University of Kentucky, Lexington, KY, USA
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Hozack BA, Rivlin M, Lutsky KF, Beredjiklian PK. Overall Opioid Consumption Is Not Associated With the Amount of Opioids Administered and Prescribed on the Day of Upper Extremity Surgery. Hand (N Y) 2021; 16:781-784. [PMID: 31965858 PMCID: PMC8647310 DOI: 10.1177/1558944719897419] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: Orthopedic surgeons need to better understand the effect their opioid-prescribing habits have on patients. The purpose of our study was to evaluate whether the type of procedure or initial amount of opioids prescribed postoperatively leads to increased consumption of opioids. Methods: Consecutive patients undergoing upper extremity surgery were enrolled. The medical record and Pennsylvania Prescription Drug Monitoring Program Web site were used to record all prescriptions of controlled substances consumed intraoperatively, in the recovery room, and in prescriptions filled 6 months postoperatively. Morphine equivalent units (MEUs) were used to quantify the amount of opioids. Results: Two hundred ninety patients were included in the study. The mean MEU administered intraoperatively was 25.1 (0-50). The MEU provided in the recovery room was 2.9 (0-60). The MEU prescribed on the day of surgery was 155.6 (137-178). We used the Pearson correlation coefficient of r = 0, meaning no/weak correlation, and r = 1, meaning a strong correlation. Neither MEUs provided intraoperatively or in recovery, nor MEUs prescribed postoperatively correlated with prescriptions filled (r = 0.13, 0.02, 0.09, respectively). Although patients undergoing bony procedures were prescribed more opioids (P < .001), opioid consumption intraoperatively, in recovery, and in prescriptions filled was not significantly different. Conclusions: The MEUs administered and prescribed on the day of surgery did not affect the amount of prescriptions filled postoperatively. Finally, patients undergoing bony procedures were prescribed more opioids than those undergoing soft tissue procedures, but they did not consume or fill more opioids postoperatively.
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Affiliation(s)
- Bryan A. Hozack
- Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, PA, USA,Bryan A. Hozack, Rothman Institute, Thomas Jefferson University Hospitals, 925 Chestnut Street, 5th Floor, Philadelphia, PA 19107, USA.
| | - Michael Rivlin
- Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Kevin F. Lutsky
- Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, PA, USA
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Uhrbrand P, Helmig P, Haroutounian S, Vistisen ST, Nikolajsen L. Persistent Opioid Use After Spine Surgery: A Prospective Cohort Study. Spine (Phila Pa 1976) 2021; 46:1428-1435. [PMID: 34559754 DOI: 10.1097/brs.0000000000004039] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Single-center, investigator-initiated, prospective cohort study. OBJECTIVE This study aimed to determine patient-reported reasons for persistent opioid use following elective spine surgery, assess the frequency of withdrawal symptoms, and characterize pain-related care sought after discharge. SUMMARY OF BACKGROUND DATA Patients are often prescribed opioids at discharge from hospital following surgery. Several studies have shown that a large number of patients fail to discontinue opioid treatment and use opioids even months to years after surgery. Spine surgery has proven to be a high-risk procedure in regard to persistent opioid use. There is, however, limited evidence on why patients continue to take opioids. METHODS Three hundred patients, scheduled to undergo spine surgery at Aarhus University Hospital, Denmark, were included. Baseline characteristics and discharge data on opioid consumption were collected. Data on opioid consumption, patient-reported reasons for opioid use, withdrawal symptoms, and pain-related care sought were collected at 3- and 6-month follow-up via a REDCap survey. RESULTS Before surgery, opioid use was reported in 53% of patients. Three months after surgery, opioid use was reported in 60% of preoperative opioid-users and in 9% of preoperative opioid non-users. Patients reported the following reasons for postoperative opioid use: treatment of surgery-related pain (53%), treatment of surgery-related pain combined with other reasons (37%), and reasons not related to spine surgery (10%). Withdrawal symptoms were experienced by 33% of patients during the first 3 months after surgery and were associated with failure to discontinue opioid treatment (P < 0.001). Half of patients (52%) contacted health care after discharge with pain-related topics the first 3 months. CONCLUSION Patients use opioids after spine surgery for reasons other than surgery-related pain. Withdrawal symptoms are frequent even though patients are given tapering plans at discharge. Further studies should address how to facilitate successful and safe opioid tapering in patients undergoing spine surgery.Level of Evidence: 3.
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Affiliation(s)
- Peter Uhrbrand
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Peter Helmig
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Orthopedic Surgery, Aarhus University Hospital, Aarhus, Denmark
| | | | - Simon Tilma Vistisen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lone Nikolajsen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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43
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Opioid Prescription After Cardiac Surgery. Heart Lung Circ 2021; 31:602-609. [PMID: 34657804 DOI: 10.1016/j.hlc.2021.08.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/12/2021] [Accepted: 08/20/2021] [Indexed: 12/17/2022]
Abstract
OBJECTIVES To characterise short-term and long-term opioid prescription patterns after cardiac surgery. DESIGN, SETTING AND PARTICIPANTS We obtained data from a single Australian tertiary hospital from November 2012 to July 2019 and included 2,205 patients who underwent a primary cardiac surgical procedure. MAIN OUTCOME AND MEASURES The primary outcome was the dose of opioids at hospital discharge. Secondary outcomes included factors associated with high dose opioid prescriptions and persistent opioids use after cardiac surgery. RESULTS Overall, 76.4% of study patients were prescribed opioids at hospital discharge, with a median discharge prescription of 150 mg oral morphine equivalents. Moreover, 52.8% of discharge opioid prescriptions were as slow-release formulations and 60.0% of all discharge prescriptions were for patients who had received no opioids the day before discharge. In the subset of our patients with long-term data, 14.0% were still receiving opioids at 3-12 months after cardiac surgery. CONCLUSIONS In cardiac surgical patients, opioid prescriptions at discharge were common, most were at higher than recommended doses and more than half were slow-release formulations. Such prescription was associated with one in seven patients continuing to receive opioids 3-12 months after surgery.
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Pattullo C, Suckling B, Donovan P, Hall L. Developing a framework for implementing Opioid Stewardship Programs in Australian Hospital Settings. Intern Med J 2021; 52:530-541. [PMID: 34617378 DOI: 10.1111/imj.15555] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/24/2021] [Accepted: 10/07/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND There is growing interest in strategies to improve patient safety with prescription opioids, collectively known as Opioid stewardship (OS). This study aimed to develop a framework to facilitate the implementation of OS in the Australian acute hospital setting. METHODS Using a Modified Delphi Technique, a diverse stakeholder panel (including patient representatives and multidisciplinary healthcare professionals) was selected. A survey based on the results of a literature review was sent to the panel for appraisal. In line with standard Delphi methodology, the primary outcome for each element was reaching consensus of at least 70% of the participants on the importance of its inclusion in the framework. The survey allowed the participants to suggest new items for inclusion in subsequent rounds or rephrase existing items. RESULTS Of the 29 participants who completed the survey, a majority (23/29) were regularly involved in providing direct patient care. Twenty-six of 27 items reached the 70% threshold for agreement for importance after the first round. The remaining item not agreed upon in the initial round was modified based on comments received and reached 100% agreement on importance at the second round. There was greater than 85% agreement on importance of 24/27 items for inclusion in a framework with 8/27 reaching a 100% level of agreement. CONCLUSION We have developed a framework for OS in the Australian acute hospital settings which may be used to guide health services to prioritise and plan strategies to improve opioid use. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Champika Pattullo
- Quality Use of Medicine Pharmacist, Royal Brisbane and Women's Hospital, Queensland Opioid Stewardship Program, Clinical Excellence Queensland
| | - Benita Suckling
- Quality Use of Medicine Pharmacist, Royal Brisbane and Women's Hospital, Queensland Opioid Stewardship Program, Clinical Excellence Queensland
| | | | - Lisa Hall
- School of Public Health, University of Queensland
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Lavoie-Gagne O, Nwachukwu BU, Allen AA, Leroux T, Lu Y, Forsythe B. Factors Predictive of Prolonged Postoperative Narcotic Usage Following Orthopaedic Surgery. JBJS Rev 2021; 8:e0154. [PMID: 33006460 DOI: 10.2106/jbjs.rvw.19.00154] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND The purpose of this comprehensive review was to investigate risk factors associated with prolonged opioid use after orthopaedic procedures. A comprehensive review of the opioid literature may help to better guide preoperative management of expectations as well as opioid-prescribing practices. METHODS A systematic review of all studies pertaining to opioid use in relation to orthopaedic procedures was conducted using the MEDLINE, Embase, and CINAHL databases. Data from studies reporting on postoperative opioid use at various time points were collected. Opioid use and risk of prolonged opioid use were subcategorized by subspecialty, and aggregate data for each category were calculated. RESULTS There were a total of 1,445 eligible studies, of which 45 met inclusion criteria. Subspecialties included joint arthroplasty, spine, trauma, sports, and hand surgery. A total of 458,993 patients were included, including 353,330 (77%) prolonged postoperative opioid users and 105,663 (23%) non-opioid users. Factors associated with prolonged postoperative opioid use among all evaluated studies included body mass index (BMI) of ≥40 kg/m (relative risk [RR], 1.06 to 2.32), prior substance abuse (RR, 1.08 to 3.59), prior use of other medications (RR, 1.01 to 1.46), psychiatric comorbidities (RR, 1.08 to 1.54), and chronic pain conditions including chronic back pain (RR, 1.01 to 10.90), fibromyalgia (RR, 1.01 to 2.30), and migraines (RR, 1.01 to 5.11). Age cohorts associated with a decreased risk of prolonged postoperative opioid use were those ≥31 years of age for hand procedures (RR, 0.47 to 0.94), ≥50 years of age for total hip arthroplasty (RR, 0.70 to 0.80), and ≥70 years of age for total knee arthroplasty (RR, 0.40 to 0.80). Age cohorts associated with an increased risk of prolonged postoperative opioid use were those ≥50 years of age for sports procedures (RR, 1.11 to 2.57) or total shoulder arthroplasty (RR, 1.26 to 1.40) and those ≥70 years of age for spine procedures (RR, 1.61). Identified risk factors for postoperative use were similar across subspecialties. CONCLUSIONS We provide a comprehensive review of the various preoperative and postoperative risk factors associated with prolonged opioid use after elective and nonelective orthopaedic procedures. Increased BMI, prior substance abuse, psychiatric comorbidities, and chronic pain conditions were most commonly associated with prolonged postoperative opioid use. Careful consideration of elective surgical intervention for painful conditions and perioperative identification of risk factors within each patient's biopsychosocial context will be essential for future modulation of physician opioid-prescribing patterns. LEVEL OF EVIDENCE Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Ophelie Lavoie-Gagne
- 1Midwest Orthopaedics at Rush, Rush University, Chicago, Illinois 2HSS Sports Medicine Institute West Side, Hospital for Special Surgery, New York, NY 3Department of Orthopaedic Surgery, University of Toronto, Toronto, Ontario, Canada
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Tadjalli A, Seven YB, Sharma A, McCurdy CR, Bolser DC, Levitt ES, Mitchell GS. Acute morphine blocks spinal respiratory motor plasticity via long-latency mechanisms that require toll-like receptor 4 signalling. J Physiol 2021; 599:3771-3797. [PMID: 34142718 DOI: 10.1113/jp281362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 06/15/2021] [Indexed: 12/22/2022] Open
Abstract
KEY POINTS While respiratory complications following opioid use are mainly mediated via activation of mu opioid receptors, long-latency off-target signalling via innate immune toll-like receptor 4 (TLR4) may impair other essential elements of breathing control such as respiratory motor plasticity. In adult rats, pre-treatment with a single dose of morphine blocked long-term facilitation (LTF) of phrenic motor output via a long-latency TLR4-dependent mechanism. In the phrenic motor nucleus, morphine triggered TLR4-dependent activation of microglial p38 MAPK - a key enzyme that orchestrates inflammatory signalling and is known to undermine phrenic LTF. Morphine-induced LTF loss may destabilize breathing, potentially contributing to respiratory side effects. Therefore, we suggest minimizing TLR-4 signalling may improve breathing stability during opioid therapy. ABSTRACT Opioid-induced respiratory dysfunction is a significant public health burden. While respiratory effects are mediated via mu opioid receptors, long-latency off-target opioid signalling through innate immune toll-like receptor 4 (TLR4) may modulate essential elements of breathing control, particularly respiratory motor plasticity. Plasticity in respiratory motor circuits contributes to the preservation of breathing in the face of destabilizing influences. For example, respiratory long-term facilitation (LTF), a well-studied model of respiratory motor plasticity triggered by acute intermittent hypoxia, promotes breathing stability by increasing respiratory motor drive to breathing muscles. Some forms of respiratory LTF are exquisitely sensitive to inflammation and are abolished by even a mild inflammation triggered by TLR4 activation (e.g. via systemic lipopolysaccharides). Since opioids induce inflammation and TLR4 activation, we hypothesized that opioids would abolish LTF through a TLR4-dependent mechanism. In adult Sprague Dawley rats, pre-treatment with a single systemic injection of the prototypical opioid agonist morphine blocks LTF expression several hours later in the phrenic motor system - the motor pool driving diaphragm muscle contractions. Morphine blocked phrenic LTF via TLR4-dependent mechanisms because pre-treatment with (+)-naloxone - the opioid inactive stereoisomer and novel small molecule TLR4 inhibitor - prevented impairment of phrenic LTF in morphine-treated rats. Morphine triggered TLR4-dependent activation of microglial p38 MAPK within the phrenic motor system - a key enzyme that orchestrates inflammatory signalling and undermines phrenic LTF. Morphine-induced LTF loss may destabilize breathing, potentially contributing to respiratory side effects. We suggest minimizing TLR-4 signalling may improve breathing stability during opioid therapy by restoring endogenous mechanisms of plasticity within respiratory motor circuits.
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Affiliation(s)
- Arash Tadjalli
- Breathing Research and Therapeutics Center, University of Florida, Gainesville, FL, USA.,Department of Physical Therapy, University of Florida, Gainesville, FL, USA
| | - Yasin B Seven
- Breathing Research and Therapeutics Center, University of Florida, Gainesville, FL, USA.,Department of Physical Therapy, University of Florida, Gainesville, FL, USA
| | - Abhisheak Sharma
- Department of Pharmaceutics, University of Florida, Gainesville, FL, USA
| | | | - Donald C Bolser
- Breathing Research and Therapeutics Center, University of Florida, Gainesville, FL, USA.,Department of Physiological Sciences, University of Florida, Gainesville, FL, USA
| | - Erica S Levitt
- Breathing Research and Therapeutics Center, University of Florida, Gainesville, FL, USA.,Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL, USA
| | - Gordon S Mitchell
- Breathing Research and Therapeutics Center, University of Florida, Gainesville, FL, USA.,Department of Physical Therapy, University of Florida, Gainesville, FL, USA
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Patel MS, Updegrove GF, Singh AM, Jamgochian GC, LoBiondo D, Abboud JA, Ramsey ML, Lazarus MD. Characterizing opioid consumption in the 30-day post-operative period following shoulder surgery: are we over prescribing? PHYSICIAN SPORTSMED 2021; 49:158-164. [PMID: 32597282 DOI: 10.1080/00913847.2020.1789439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Objectives: The primary aim of this study was to characterize opioid consumption in the first 30 days after shoulder surgery. Secondary aims were to assess patient expectations, pain tolerance, risk factors for increase opioid consumption, and proper disposal of narcotics.Methods: Patients undergoing rotator cuff repair (RCR), anatomic shoulder arthroplasty, reverse shoulder arthroplasty (RSA), distal clavicle resection, or labral surgery were prospectively enrolled. Collected data included demographics, Pain Catastrophizing Scale (PCS), pain tolerance surveys, narcotic use, adverse effects, and disposal method.Results: Eighty patients were included in this study. At 28 days, RCR patients took significantly more 5 mg oxycodone-equivalent pills than RSA patients (18.4 vs. 7.5; p = 0.001). Number of days on narcotics did not differ between groups. By day 14, 73 (92.5%) patients had stopped taking narcotics entirely, with 872 5 mg oxycodone-equivalent pills prescribed in surplus. Ten (14.3%) patients required an additional prescription. There was a significant difference in tobacco use (20% vs. 1.4%; p = 0.04), psychiatric history (50% vs. 5.7%; p = 0.0004) and PCS (12.7 vs. 7.1; p = 0.027) in these patients, with PCS of 12.5 as predictive of requiring another prescription.Conclusion: All patients achieved adequate pain control, with 60 (75%) patients having excess pills. Opioid utilization differed based on surgery - significantly lower use in RSA patients compared to RCR. Only 13 (16.25%) patients required more than 20 5 mg oxycodone-equivalent pills. Tobacco use, history of psychiatric illness, and PCS were risk factors for requiring more prescriptions.
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Affiliation(s)
- Manan Sunil Patel
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Gary F Updegrove
- Department of Orthopaedic Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Arjun M Singh
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Grant C Jamgochian
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Deborah LoBiondo
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Joseph A Abboud
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Matthew L Ramsey
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Mark D Lazarus
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
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Van Boerum MS, Mann SL, Veith JP, Collier W, Hosein RC, Manum JS, Agarwal J, Kwok AC. Patient-reported opioid use for tissue expander-based breast reconstruction. J Plast Reconstr Aesthet Surg 2021; 74:2899-2905. [PMID: 34078588 DOI: 10.1016/j.bjps.2021.03.114] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 01/07/2021] [Accepted: 03/18/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION There is limited evidence for appropriate post-operative opioid prescribing in breast reconstruction patients. We sought to describe postoperative outpatient prescription opioid use patterns (quantity and duration) following discharge after immediate breast reconstruction with tissue expanders (TE) and to identify demographic and/or clinical risk factors associated with postoperative outpatient opioid use. METHODS Patients 18 years and older undergoing immediate TE-based breast reconstruction were given a 28-day postoperative pain medication log book. Descriptive statistics were performed to describe the quantity and duration of opioid use. Preoperative, intraoperative, and postoperative characteristics were examined and tested for their associations with postoperative opioid use. RESULTS A total of 45 logbooks were completed. On average, patients used opioids for 7.42 days (SD = 6.45) after discharge home and used 15.9 (SD = 18.71) oxycodone 5 mg tablet equivalents (119.3 morphine milligram equivalents, SD = 140.31). The total number of oxycodone 5 mg equivalents consumed prior to discharge was associated with the amount of post-discharge opioid consumption (IRR=1.08, p<0.01). Each additional year of age was associated with a reduction in the days-to-opioid cessation by a factor of 0.97 (p=0.01). Each additional oxycodone 5mg equivalent consumed prior to hospital discharge was associated with an increase in the days-to-cessation after discharge by a factor of 1.04 (p=0.026). CONCLUSIONS These patient-reported data will provide a benchmark which plastic surgeons can use to minimize narcotic use in patients and will help prevent issues of dependence, misuse, and diversion, while being mindful of adequate pain control. For patients discharging home after a one-night stay for immediate TE breast reconstruction, we recommend a prescription for 10 oxycodone 5 mg tablets, or 15 tablets if they are less than age 49 or have had high inpatient opioid use. Patients should also be counseled that the expected duration of outpatient opioid use is 7-11 days, and that 20 % of patients did not use any opioids following hospital discharge, making nonnarcotic pain regimens a real possibility.
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Affiliation(s)
- Melody S Van Boerum
- Department of Surgery, Division of Plastic Surgery, University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132
| | - Sara L Mann
- University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132
| | - Jacob P Veith
- Department of Surgery, Division of Plastic Surgery, University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132
| | - Willem Collier
- Department of Population Health Sciences, University of Utah School of Medicine, Williams Building, Room 1N490 295 Chipeta Way, Salt Lake City, UT 84108
| | - Rayaad C Hosein
- Department of Surgery, Division of Plastic Surgery, University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132
| | - Joanna S Manum
- Department of Surgery, Division of Plastic Surgery, University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132
| | - Jayant Agarwal
- Department of Surgery, Division of Plastic Surgery, University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132
| | - Alvin C Kwok
- Department of Surgery, Division of Plastic Surgery, University of Utah School of Medicine, 30 North 1900 East, 3B400, Salt Lake City, Utah 84132.
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Balceniuk MD, Blegen MB, Ayers BC, Calderon T, Negron TM, Retz W, Glocker RJ, Doyle AJ, Stoner MC. Evaluation of Opioid Prescription and Consumption Habits Following Endovascular Aortic Aneurysm Repair. Ann Vasc Surg 2021; 74:158-164. [PMID: 33548403 DOI: 10.1016/j.avsg.2020.12.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/07/2020] [Accepted: 12/14/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND There has been a dramatic rise in opioid-related deaths over the past decade. Most of the reduction strategies have focused on outpatient use; however, recent studies have demonstrated an association between inpatient opioid use and consumption following discharge across a variety of surgical procedures. The objective of this study is to evaluate the association of inpatient use of opioids as well as the consumption of opioids after discharge following endovascular aortic aneurysm repair (EVAR). METHODS A prospectively maintained database was reviewed for cases between 2015 and 2018. Patients were included in the study if they underwent an elective EVAR, had an intensive care unit stay less than 1 day and total length of stay less than 3 days. Patients were contacted to participate in a survey of opioid use if they received a prescription at discharge. The primary outcome was percent of prescribed opioids consumed following discharge. Multivariate analyses were performed to determine predictors of receiving an opioid prescription. RESULTS One hundred seventy-one patients were included in the analysis; 95% patients were white and 85% male. 59% of patients responded to the survey. Seventy-one (42%) received an opioid prescription at discharge. Patients that received a discharge prescription tended to be younger (71 vs. 75 years, P = 0.005) and more likely to have received opioids while in the hospital (79% vs. 45%, P < 0.001). Additionally, patients who received opioids at discharge received a significantly greater amount of milligram oral morphine equivalents (OME) while in the hospital (27.76 ± 38.91 vs. 10.05 ±29.43, P < 0.001). Multivariate analysis demonstrated age, estimated blood loss (EBL), and OME per day to be significant inpatient predictors of requiring an outpatient opioid prescription. Open femoral access (27%) was not a predictor of opioid prescription at discharge. A total of 1185 pills were prescribed (29.6 ± 2.06 per patient), but only 208 pills consumed (5.2 ± 1.27 per patient). Around 82% of total pills prescribed were not consumed. CONCLUSIONS This study evaluates inpatient opioid use and postdischarge consumption following EVAR. These data identify key factors associated with receiving an opioid prescription at discharge and demonstrate that patients consume far fewer opioids than prescribed. These findings provide insight as to which patients may not require an outpatient prescription following EVAR, leading to potential practice-changing opioid reduction strategies.
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Affiliation(s)
- Mark D Balceniuk
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Mariah B Blegen
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Brian C Ayers
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Thais Calderon
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Tianna M Negron
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - William Retz
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Roan J Glocker
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Adam J Doyle
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY
| | - Michael C Stoner
- Department of Surgery, Division of Vascular Surgery, University of Rochester Medical Center, Rochester, NY.
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Gong J, Merry AF, Beyene KA, Campbell D, Frampton C, Jones P, McCall J, Moore M, Chan AHY. Persistent opioid use and opioid-related harm after hospital admissions for surgery and trauma in New Zealand: a population-based cohort study. BMJ Open 2021; 11:e044493. [PMID: 33468530 PMCID: PMC7817825 DOI: 10.1136/bmjopen-2020-044493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Opioid use has increased globally for the management of chronic non-cancer-related pain. There are concerns regarding the misuse of opioids leading to persistent opioid use and subsequent hospitalisation and deaths in developed countries. Hospital admissions related to surgery or trauma have been identified as contributing to the increasing opioid use internationally. There are minimal data on persistent opioid use and opioid-related harm in New Zealand (NZ), and how hospital admission for surgery or trauma contributes to this. We aim to describe rates and identify predictors of persistent opioid use among opioid-naïve individuals following hospital discharge for surgery or trauma. METHODS AND ANALYSIS This is a population-based, retrospective cohort study using linked data from national health administrative databases for opioid-naïve patients who have had surgery or trauma in NZ between January 2006 and December 2019. Linked data will be used to identify variables of interest including all types of hospital surgeries in NZ, all trauma hospital admissions, opioid dispensing, comorbidities and sociodemographic variables. The primary outcome of this study will be the prevalence of persistent opioid use. Secondary outcomes will include mortality, opioid-related harms and hospitalisation. We will compare the secondary outcomes between persistent and non-persistent opioid user groups. To compute rates, we will divide the total number of outcome events by total follow-up time. Multivariable logistic regression will be used to identify predictors of persistent opioid use. Multivariable Cox regression models will be used to estimate the risk of opioid-related harms and hospitalisation as well as all-cause mortality among the study cohort in a year following hospital discharge for surgery or trauma. ETHICS AND DISSEMINATION This study has been approved by the Auckland Health Research Ethics Committee (AHREC- AH1159). Results will be reported in accordance with the Reporting of studies Conducted using Observational Routinely collected health data statement (RECORD).
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Affiliation(s)
- Jiayi Gong
- School of Pharmacy, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
- Pharmacy Department, Auckland District Health Board, Auckland, New Zealand
| | - Alan Forbes Merry
- Department of Anaesthesiology, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
- Department of Anaesthesia and Perioperative Medicine, Auckland District Health Board, Auckland, New Zealand
| | - Kebede A Beyene
- School of Pharmacy, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
| | - Doug Campbell
- Department of Anaesthesiology, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
- Department of Anaesthesia and Perioperative Medicine, Auckland District Health Board, Auckland, New Zealand
| | - Chris Frampton
- Department of Psychological Medicine, University of Otago, Christchurch, New Zealand
| | - Peter Jones
- Department of Surgery, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
| | - John McCall
- Department of Surgery, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
| | - Matthew Moore
- Department of Anaesthesiology, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
| | - Amy Hai Yan Chan
- School of Pharmacy, The University of Auckland Faculty of Medical and Health Sciences, Auckland, New Zealand
- Pharmacy Department, Auckland District Health Board, Auckland, New Zealand
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