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Lavonas EJ, Akpunonu PD, Arens AM, Babu KM, Cao D, Hoffman RS, Hoyte CO, Mazer-Amirshahi ME, Stolbach A, St-Onge M, Thompson TM, Wang GS, Hoover AV, Drennan IR. 2023 American Heart Association Focused Update on the Management of Patients With Cardiac Arrest or Life-Threatening Toxicity Due to Poisoning: An Update to the American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care. Circulation 2023; 148:e149-e184. [PMID: 37721023 DOI: 10.1161/cir.0000000000001161] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
In this focused update, the American Heart Association provides updated guidance for resuscitation of patients with cardiac arrest, respiratory arrest, and refractory shock due to poisoning. Based on structured evidence reviews, guidelines are provided for the treatment of critical poisoning from benzodiazepines, β-adrenergic receptor antagonists (also known as β-blockers), L-type calcium channel antagonists (commonly called calcium channel blockers), cocaine, cyanide, digoxin and related cardiac glycosides, local anesthetics, methemoglobinemia, opioids, organophosphates and carbamates, sodium channel antagonists (also called sodium channel blockers), and sympathomimetics. Recommendations are also provided for the use of venoarterial extracorporeal membrane oxygenation. These guidelines discuss the role of atropine, benzodiazepines, calcium, digoxin-specific immune antibody fragments, electrical pacing, flumazenil, glucagon, hemodialysis, hydroxocobalamin, hyperbaric oxygen, insulin, intravenous lipid emulsion, lidocaine, methylene blue, naloxone, pralidoxime, sodium bicarbonate, sodium nitrite, sodium thiosulfate, vasodilators, and vasopressors for the management of specific critical poisonings.
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2
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Fettiplace MR, Weinberg G. Lipid emulsion for xenobiotic overdose: PRO. Br J Clin Pharmacol 2023; 89:1708-1718. [PMID: 36454165 PMCID: PMC10175108 DOI: 10.1111/bcp.15620] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 12/03/2022] Open
Abstract
Infusion of lipid emulsion for drug overdose arose as a treatment for local anaesthetic systemic toxicity (LAST) initially based on laboratory results in animal models with the subsequent support of favourable case reports. Following successful translation to the clinic, practitioners also incorporated lipid emulsion as a treatment for non-local anaesthetic toxicities but without formal clinical trials. Recent clinical trials demonstrate a benefit of lipid emulsion in antipsychotic, pesticide, metoprolol and tramadol overdoses. Formal trials of lipid emulsion in LAST may never occur, but alternative analytic tools indicate strong support for its efficacy in this indication; for example, lipid emulsion has obviated the need for cardiopulmonary bypass in most cases of LAST. Herein, we describe the pre-clinical support for lipid emulsion, evaluate the most recent clinical studies of lipid emulsion for toxicity, identify a possible dose-based requirement for efficacy and discuss the limitations to uncontrolled studies in the field.
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Affiliation(s)
- Michael R. Fettiplace
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, Massachusetts, 02114
| | - Guy Weinberg
- Department of Anesthesiology, University of Illinois College of Medicine, Chicago, IL 60622 USA
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3
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Jaffal K, Chevillard L, Mégarbane B. Lipid Emulsion to Treat Acute Poisonings: Mechanisms of Action, Indications, and Controversies. Pharmaceutics 2023; 15:pharmaceutics15051396. [PMID: 37242638 DOI: 10.3390/pharmaceutics15051396] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/28/2023] Open
Abstract
Biodetoxification using intravenous lipid emulsion (ILE) in acute poisoning is of growing interest. As well as for local anesthetics, ILE is currently used to reverse toxicity caused by a broad-spectrum of lipophilic drugs. Both pharmacokinetic and pharmacodynamic mechanisms have been postulated to explain its possible benefits, mainly combining a scavenging effect called "lipid sink" and cardiotonic activity. Additional mechanisms based on ILE-attributed vasoactive and cytoprotective properties are still under investigation. Here, we present a narrative review on lipid resuscitation, focusing on the recent literature with advances in understanding ILE-attributed mechanisms of action and evaluating the evidence supporting ILE administration that enabled the international recommendations. Many practical aspects are still controversial, including the optimal dose, the optimal administration timing, and the optimal duration of infusion for clinical efficacy, as well as the threshold dose for adverse effects. Present evidence supports the use of ILE as first-line therapy to reverse local anesthetic-related systemic toxicity and as adjunct therapy in lipophilic non-local anesthetic drug overdoses refractory to well-established antidotes and supportive care. However, the level of evidence is low to very low, as for most other commonly used antidotes. Our review presents the internationally accepted recommendations according to the clinical poisoning scenario and provides the precautions of use to optimize the expected efficacy of ILE and limit the inconveniences of its futile administration. Based on their absorptive properties, the next generation of scavenging agents is additionally presented. Although emerging research shows great potential, several challenges need to be overcome before parenteral detoxifying agents could be considered as an established treatment for severe poisonings.
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Affiliation(s)
- Karim Jaffal
- Department of Medical and Toxicological Critical Care, Federation of Toxicology, Lariboisière Hospital, 75010 Paris, France
- INSERM UMRS-1144, Paris-Cité University, 75006 Paris, France
| | - Lucie Chevillard
- Department of Medical and Toxicological Critical Care, Federation of Toxicology, Lariboisière Hospital, 75010 Paris, France
- INSERM UMRS-1144, Paris-Cité University, 75006 Paris, France
| | - Bruno Mégarbane
- Department of Medical and Toxicological Critical Care, Federation of Toxicology, Lariboisière Hospital, 75010 Paris, France
- INSERM UMRS-1144, Paris-Cité University, 75006 Paris, France
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4
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Zaballos M, Fernández I, Melone A, Rodríguez L, Varela O, García S, Quintela O, Vazquez E, Anadón MJ, Almendral J. Sodium bicarbonate reverts electrophysiologic cardiotoxicity of ropivacaine faster than lipid emulsions in a porcine model. Basic Clin Pharmacol Toxicol 2023; 132:211-222. [PMID: 36479999 PMCID: PMC10107242 DOI: 10.1111/bcpt.13822] [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: 08/11/2022] [Revised: 11/09/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022]
Abstract
Ropivacaine has been described as a safer local anaesthetic (LA); however, serious cardiotoxic accidents have been reported. Intravenous-lipid-emulsion (ILE) therapy during LA intoxication seems to act as an antidote. Sodium bicarbonate is the standard treatment for sodium channel blocker drug toxicity. We compared both antidotes on the reversion of electrophysiologic toxicity induced by ropivacaine. Ropivacaine 5 mg kg-1 was administered in 24 pigs, and 3 min later, the animals received ILE: 1.5 ml kg-1 + 0.25 ml kg-1 min-1 (ILE group); sodium bicarbonate: 2 mEq kg-1 + 1 mEq kg-1 h-1 (NaHCO3 group); saline solution (CTL group). Electrophysiological parameters were evaluated for 30 min. The area under the curve (AUC) for the first 5 or 30 min was compared between groups. Ropivacaine induced a lengthening of the PR interval by 17% (P = 0.0001), His-ventricle-interval by 58% (P = 0.001), sinus QRS complex by 56% (P = 0.0001), paced QRS at 150 bpm by 257% (P = 0.0001), and at 120 bpm by 143% (P = 0.0001) in all groups. At 5 min after treatment, sinus QRS in the NaHCO3 group was shorter than that in the CTL group (AUCQRS5 , P = 0.003) or ILE group (AUCQRS5 , P = 0.045). During the first minute, seven of the animals in the NaHCO3 group vs. two in the ILE or 0 in the CTL group recovered more than 30% of the sinus QRS previously lengthened by ropivacaine (P = 0.003). Sodium bicarbonate reversed the electrophysiological toxicity of ropivacaine faster than ILE and control groups.
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Affiliation(s)
- Matilde Zaballos
- Department of Toxicology, Faculty of Medicine, Complutense University, Madrid, Spain.,Department of Anaesthesiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Ignacio Fernández
- Department of Anaesthesiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Arturo Melone
- Department of Anaesthesiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Lucía Rodríguez
- Department of Anaesthesiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Olalla Varela
- Department of Anaesthesiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Sergio García
- Department of Anaesthesiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Oscar Quintela
- Department of Toxicology, Faculty of Medicine, Complutense University, Madrid, Spain.,National Institute of Toxicology and Forensic Science, Madrid, Spain
| | - Elena Vazquez
- Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | - Jesús Almendral
- Director of the Electrophysiology Laboratory and Arrhythmia Unit, Hospital Monteprincipe, Grupo HM Hospitales, University CEU-San Pablo, Madrid, Spain
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5
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Branco SEMT, de Lima MPA, Silva RA, Nogueira MM, Wenceslau RR, Gonçalves JE, Beier SL, Carneiro RA, Melo MM. The clinical effect of intravenous lipid emulsion on rabbits medicated with diazepam. Res Vet Sci 2023; 154:78-83. [PMID: 36512977 DOI: 10.1016/j.rvsc.2022.11.006] [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: 04/14/2022] [Revised: 09/23/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022]
Abstract
Intravenous lipid emulsions (ILE) have been increasingly used to reverse a wide range of lipophilic drug intoxications. However, it is still unknown if these emulsions interfere with other lipophilic drugs routinely used while treating intoxicated patients, such as diazepam, one of the main antiepileptic drugs. Therefore, the objective of the present study was to evaluate whether the administration of a 20% ILE interferes with diazepam's clinical effect. We randomly allocated thirty rabbits to five groups. Three of those groups received diazepam (1.0 mg/kg, IV), one of which did not receive any additional treatment, while the two remaining groups were treated with ILE or lactated ringer solution (1.5 mL/kg followed by 0.25 mL/kg/min for 30 min). The fourth group only received lipid emulsion, and the fifth only lactated ringer. Successive neurological exams at 20 min intervals for a total of 100 min were performed to assess the rabbits' neurological state. We concluded that the ILE did not interfere with diazepam's clinical effect but, although unlikely, the possibility of recurrence of a sedative effect should be considered.
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Affiliation(s)
- Stephanie Elise Muniz Tavares Branco
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil.
| | - Marcos Paulo Antunes de Lima
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - Renata Andrade Silva
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - Marina Moller Nogueira
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - Raphael Rocha Wenceslau
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - José Eduardo Gonçalves
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - Suzane Lilian Beier
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - Rubens Antônio Carneiro
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
| | - Marília Martins Melo
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Campus Pampulha da UFMG, Av. Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil
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Tikhomirov M, Jajor P, Śniegocki T, Poźniak B. Predicting the efficacy of opioid sequestration by intravenous lipid emulsion using biologically relevant in vitro models of drug distribution. Sci Rep 2022; 12:18683. [PMID: 36333363 PMCID: PMC9636243 DOI: 10.1038/s41598-022-21790-4] [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: 02/11/2022] [Accepted: 10/04/2022] [Indexed: 11/06/2022] Open
Abstract
Intravenous lipid emulsions (ILE), among other uses, are utilized in the treatment of poisonings caused by lipophilic substances. The body of evidence regarding the benefits of this treatment is growing but information about opioids-ILE interaction is still very scarce. In this work, the impact of ILE on the distribution of buprenorphine, fentanyl and butorphanol used in various concentrations (100-500 ng/ml) was investigated. Two different in vitro models were used: disposition of the drugs in plasma after ultracentrifugation and distribution into the simulated biophase (cell monolayer of 3T3 fibroblasts or J774.E macrophages). We confirmed the ability of ILE to sequester the three drugs of interest which results in their decrease in the aqueous part of the plasma by 34.2-38.2%, 11.7-28.5% and 6.0-15.5% for buprenorphine, fentanyl and butorphanol, respectively. Moreover, ILE affected the drug distribution to the biophase in vitro, however, in this case the drug concentration in cells decreased by 97.3 ± 3.1%, 28.6 ± 5.4% and 13.0 ± 7.5% for buprenorphine, fentanyl and butorphanol, respectively. The two models revealed notable differences in ILE's potential for drug sequestration, especially for buprenorphine. Similar, but not as pronounced tendencies were observed for the two other drugs. These discrepancies may result from the difference in protein abundance and resulting drug-protein binding in both systems. Nevertheless, the results obtained with both in vitro models correlated well with the partition coefficient (logP) values for these drugs.
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Affiliation(s)
- Marta Tikhomirov
- grid.411200.60000 0001 0694 6014Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Wroclaw University of Environmental and Life Sciences, 50-375 Wrocław, Poland
| | - Paweł Jajor
- grid.411200.60000 0001 0694 6014Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Wroclaw University of Environmental and Life Sciences, 50-375 Wrocław, Poland
| | - Tomasz Śniegocki
- grid.419811.4Department of Pharmacology and Toxicology, National Veterinary Research Institute, 24-100 Puławy, Poland
| | - Błażej Poźniak
- grid.411200.60000 0001 0694 6014Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Wroclaw University of Environmental and Life Sciences, 50-375 Wrocław, Poland
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7
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Gola W, Bialka S, Zajac M, Misiolek H. Cardiac Arrest after Small Doses Ropivacaine: Local Anesthetic Systemic Toxicity in the Course of Continuous Femoral Nerve Blockade. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12223. [PMID: 36231524 PMCID: PMC9566458 DOI: 10.3390/ijerph191912223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/22/2022] [Accepted: 09/24/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The paper presents a case report of an episode of local anesthetic systemic toxicity (LAST) with cardiac arrest after continuous femoral nerve blockade. CASE REPORT A 74-year-old patient burdened with hypertension and osteoarthritis underwent elective total knee replacement surgery. After surgery, a continuous femoral nerve blockade was performed and an infusion of a local anesthetic (LA) was started using an elastomeric pump. Five hours after surgery, the patient had an episode of generalized seizures followed by cardiac arrest. After resuscitation, spontaneous circulation was restored. In the treatment, 20% lipid emulsion was used. On day two of the ICU stay, the patient was fully cardiovascularly and respiratorily stable without neurological deficits and was discharged to the orthopedic department to continue treatment. CONCLUSION Systemic toxicity of LA is a serious and potentially fatal complication of the use of LA in clinical practice. It should be noted that in nearly 40% of patients, LAST deviates from the classic and typical course and may have an atypical manifestation, and the first symptoms may appear with a long delay, especially when continuous blockades are used. Therefore, the proper supervision of the patient and the developed procedure in the event of LAST is undoubtedly important here.
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Affiliation(s)
- Wojciech Gola
- Faculty of Medicine and Health Sciences, Jan Kochanowski University, 25-369 Kielce, Poland
| | - Szymon Bialka
- Department of Anaesthesiology, Intensive Care and Emergency Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Marek Zajac
- Department of Anesthesiology and Intensive Care, St. Lucas Hospital, 26-200 Konskie, Poland
| | - Hanna Misiolek
- Department of Anaesthesiology, Intensive Care and Emergency Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
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Long B, Chavez S, Gottlieb M, Montrief T, Brady WJ. Local anesthetic systemic toxicity: A narrative review for emergency clinicians. Am J Emerg Med 2022; 59:42-48. [PMID: 35777259 DOI: 10.1016/j.ajem.2022.06.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/31/2022] [Accepted: 06/05/2022] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Emergency clinicians utilize local anesthetics for a variety of procedures in the emergency department (ED) setting. Local anesthetic systemic toxicity (LAST) is a potentially deadly complication. OBJECTIVE This narrative review provides emergency clinicians with the most current evidence regarding the pathophysiology, evaluation, and management of patients with LAST. DISCUSSION LAST is an uncommon but potentially life-threatening complication of local anesthetic use that may be encountered in the ED. Patients at extremes of age or with organ dysfunction are at higher risk. Inadvertent intra-arterial or intravenous injection, as well as repeated doses and higher doses of local anesthetics are associated with greater risk of developing LAST. Neurologic and cardiovascular manifestations can occur. Early recognition and intervention, including supportive care and intravenous lipid emulsion 20%, are the mainstays of treatment. Using ultrasound guidance, aspirating prior to injection, and utilizing the minimal local anesthetic dose needed are techniques that can reduce the risk of LAST. CONCLUSIONS This focused review provides an update for the emergency clinician to manage patients with LAST.
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Affiliation(s)
- Brit Long
- SAUSHEC, Emergency Medicine, Brooke Army Medical Center, USA.
| | - Summer Chavez
- Department of Emergency Medicine, UT Health Houston, Houston, TX, USA
| | - Michael Gottlieb
- Department of Emergency Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Tim Montrief
- Department of Emergency Medicine, Jackson Memorial Health System, Miami, FL, USA
| | - William J Brady
- Department of Emergency Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA.
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Lazar AE, Gurzu S, Kovecsi A, Perian M, Cordos B, Gherghinescu MC, Enache LS. Cardio Protective Effects of Lipid Emulsion against Ropivacaine-Induced Local Anesthetic Systemic Toxicity—An Experimental Study. J Clin Med 2022; 11:jcm11102784. [PMID: 35628910 PMCID: PMC9142945 DOI: 10.3390/jcm11102784] [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] [Received: 03/27/2022] [Revised: 05/04/2022] [Accepted: 05/13/2022] [Indexed: 11/16/2022] Open
Abstract
Inadvertent intravascular injection of local anesthetics (LA) during regional anesthesia causes Local Anesthetic Systemic Toxicity (LAST). Theories of lipid rescue in the case of LAST proved that the administration of lipids in LAST has beneficial effects. One possible mechanism of action is based on the lipophilic properties of LA which allow plasma-free LA to be bound by the molecules of Lipid Emulsion (LE). The association LA–LE is shuttled towards organs such as liver and the kidneys, and the half-life of LA is shortened. The main objective of this experimental study was to assess the possible cardio-prophylactic effect of LE administration before the induction of LAST by intravenous administration of Ropivacaine. This was an experimental, interventional, prospective, and non-randomized study. The subjects were divided into groups and received, under general anesthesia, LE 20% first 0.3–0.4 mL, followed by 0.1 mL Ropivacaine 2 mg/mL, or Ropivacaine alone. At the end of the experiment, the subjects were sacrificed, and tissue samples of kidney, heart and liver were harvested for histopathological examination. LE, when administered as prophylaxis in Ropivacaine-induced LAST, had protective cardiac effects in rats. The LE known side effects were not produced if the substance was administered in the low doses used for LAST prophylaxis.
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Affiliation(s)
- Alexandra Elena Lazar
- Department of Anesthesiology, Emergency Clinical County Hospital, University of Medicine, Science and Technology “George Emil Palade”, 540136 Tirgu Mures, Romania;
| | - Simona Gurzu
- Department of Morphopathology, Emergency Clinical County Hospital, University of Medicine, Science and Technology “George Emil Palade”, 540136 Tirgu Mures, Romania;
- Correspondence:
| | - Attila Kovecsi
- Department of Morphopathology, Emergency Clinical County Hospital, University of Medicine, Science and Technology “George Emil Palade”, 540136 Tirgu Mures, Romania;
| | - Marcel Perian
- Department of Physiology, University of Medicine, Science and Technology “George Emil Palade”, 540136 Tirgu Mures, Romania;
| | - Bogdan Cordos
- Veterinary Experimental Base, University of Medicine, Science and Technology “George Emil Palade”, 540136 Tirgu Mures, Romania;
| | - Mircea Constantin Gherghinescu
- Department of Surgery, Emergency Clinical County Hospital, University of Medicine, Science and Technology “George Emil Palade”, 540136 Tirgu Mures, Romania;
| | - Liviu Sorin Enache
- Emergency Clinical County Hospital Tirgu Mures, University “Dimitrie Cantemir”, 540136 Tirgu Mures, Romania;
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Li Z, Li M, Sun H, Yang Z, Huo Q, Bai Y, Mei Y, Li Y, Quan P, Zhang J, Liu D. Prediction of drug capturing by lipid emulsions in vivo for the treatment of a drug overdose. J Control Release 2022; 346:148-157. [PMID: 35429574 DOI: 10.1016/j.jconrel.2022.04.011] [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: 12/22/2021] [Revised: 04/06/2022] [Accepted: 04/08/2022] [Indexed: 11/17/2022]
Abstract
Despite the successful treatment of drug intoxications, little information is available to quantitively predict the effect of lipid emulsions on pharmacokinetic features of overdosed drug molecules. We defined two new parameters, drug accommodation capacity and drug capture kinetics, to characterize the drug capture capability of lipid emulsions. By precisely characterizing their drug capture capability, the effect of lipid emulsions on pharmacokinetic features of overdosed drug molecules was quantitively described. This quantitative description enabled an accurate prediction of the reducing extent on the half-life and area under drug concentration-time curve, which was verified by the successful treatment of overdosed propafenone. Moreover, the capture effect prediction using drug capture capability was more accurate than that of directly using logP. Overall, the developed capture capability accurately described the effect of lipid emulsions on drug pharmacokinetic features, which can guide the clinical application of lipid emulsions for the treatment of drug overdose.
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Affiliation(s)
- Zhi Li
- State Key Laboratory of Natural Medicines, Department of Pharmaceutical Science, China Pharmaceutical University, Nanjing 210009, China; NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Meng Li
- Department of Emergency Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Hao Sun
- Department of Emergency Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; Institute of Poisoning, Nanjing Medical University, Nanjing 211166, China
| | - Zhiyuan Yang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutical Science, China Pharmaceutical University, Nanjing 210009, China; NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Qingqing Huo
- State Key Laboratory of Natural Medicines, Department of Pharmaceutical Science, China Pharmaceutical University, Nanjing 210009, China; NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Yuancheng Bai
- State Key Laboratory of Natural Medicines, Department of Pharmaceutical Science, China Pharmaceutical University, Nanjing 210009, China; NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Yong Mei
- Department of Emergency Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Yuanai Li
- State Key Laboratory of Natural Medicines, Department of Pharmaceutical Science, China Pharmaceutical University, Nanjing 210009, China; Department of Emergency Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Peng Quan
- Department of Pharmaceutical Science, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jinsong Zhang
- Department of Emergency Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; Institute of Poisoning, Nanjing Medical University, Nanjing 211166, China.
| | - Dongfei Liu
- State Key Laboratory of Natural Medicines, Department of Pharmaceutical Science, China Pharmaceutical University, Nanjing 210009, China; NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China; Institute of Poisoning, Nanjing Medical University, Nanjing 211166, China.
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11
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Sohn JT. Lipid emulsion treatment of cardiotoxicity caused by calcium channel blocker and beta-blocker. Am J Emerg Med 2022; 58:331-332. [PMID: 35346530 DOI: 10.1016/j.ajem.2022.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 03/19/2022] [Indexed: 11/15/2022] Open
Affiliation(s)
- Ju-Tae Sohn
- Department of Anesthesiology and Pain Medicine, Gyeongsang National University College of Medicine, Gyeongsang National University Hospital, 15 Jinju-daero 816 beon-gil, Jinju-si, Gyeongsangnam-do 52727, Republic of Korea; Institute of Health Sciences, Gyeongsang National University, Jinju-si 52727, Republic of Korea.
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Liu Y, Zhang J, Yu P, Niu J, Yu S. Mechanisms and Efficacy of Intravenous Lipid Emulsion Treatment for Systemic Toxicity From Local Anesthetics. Front Med (Lausanne) 2021; 8:756866. [PMID: 34820396 PMCID: PMC8606423 DOI: 10.3389/fmed.2021.756866] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/07/2021] [Indexed: 11/13/2022] Open
Abstract
Local anesthetics are widely used clinically for perioperative analgesia to achieve comfort in medical treatment. However, when the concentration of local anesthetics in the blood exceeds the tolerance of the body, local anesthetic systemic toxicity (LAST) will occur. With the development and popularization of positioning technology under direct ultrasound, the risks and cases of LAST associated with direct entry of the anesthetic into the blood vessel have been reduced. Clinical occurrence of LAST usually presents as a series of severe toxic reactions such as myocardial depression, which is life-threatening. In addition to basic life support (airway management, advanced cardiac life support, etc.), intravenous lipid emulsion (ILE) has been introduced as a treatment option in recent years and has gradually become the first-line treatment for LAST. This review introduces the mechanisms of LAST and identifies the clinical symptoms displayed by the central nervous system and cardiovascular system. The paper features the multimodal mechanism of LAST reversal by ILE, describes research progress in the field, and identifies other anesthetics involved in the resuscitation process of LAST. Finally, the review presents key issues in lipid therapy. Although ILE has achieved notable success in the treatment of LAST, adverse reactions and contraindications also exist; therefore, ILE requires a high degree of attention during use. More in-depth research on the treatment mechanism of ILE, the resuscitation dosage and method of ILE, and the combined use with other resuscitation measures is needed to improve the efficacy and safety of clinical resuscitation after LAST in the future.
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Affiliation(s)
- Yang Liu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Key Laboratory of Anesthesiology of Jiangxi Province, Nanchang, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Key Laboratory of Anesthesiology of Jiangxi Province, Nanchang, China
| | - Peng Yu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jiangfeng Niu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Key Laboratory of Anesthesiology of Jiangxi Province, Nanchang, China
| | - Shuchun Yu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Key Laboratory of Anesthesiology of Jiangxi Province, Nanchang, China
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McDaniel M, Flores KB, Akpa BS. Predicting Inter-individual Variability During Lipid Resuscitation of Bupivacaine Cardiotoxicity in Rats: A Virtual Population Modeling Study. Drugs R D 2021; 21:305-320. [PMID: 34279844 PMCID: PMC8363697 DOI: 10.1007/s40268-021-00353-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2021] [Indexed: 12/01/2022] Open
Abstract
Introduction Intravenous lipid emulsions (ILE) have been credited for successful resuscitation in drug intoxication cases where other cardiac life-support methods have failed. However, inter-individual variability can function as a confounder that challenges our ability to define the scope of efficacy for lipid interventions, particularly as relevant data are scarce. To address this challenge, we developed a quantitative systems pharmacology model to predict outcome variability and shed light on causal mechanisms in a virtual population of rats subjected to bupivacaine toxicity and ILE intervention. Materials and Methods We combined a physiologically based pharmacokinetic–pharmacodynamic model with data from a small study in Sprague-Dawley rats to characterize individual-specific cardiac responses to lipid infusion. We used the resulting individual parameter estimates to posit a population distribution of responses to lipid infusion. On that basis, we constructed a large virtual population of rats (N = 10,000) undergoing lipid therapy following bupivacaine cardiotoxicity. Results Using unsupervised clustering to assign resuscitation endpoints, our simulations predicted that treatment with a 30% lipid emulsion increases bupivacaine median lethal dose (LD50) by 46% when compared with a simulated control fluid. Prior experimental findings indicated an LD50 increase of 48%. Causal analysis of the population data suggested that muscle accumulation rather than liver accumulation of bupivacaine drives survival outcomes. Conclusion Our results represent a successful prediction of complex, dynamic physiological outcomes over a virtual population. Despite being informed by very limited data, our mechanistic model predicted a plausible range of treatment outcomes that accurately predicts changes in LD50 when extrapolated to putatively toxic doses of bupivacaine. Furthermore, causal analysis of the predicted survival outcomes indicated a critical synergy between scavenging and direct cardiotonic mechanisms of ILE action. Supplementary Information The online version contains supplementary material available at 10.1007/s40268-021-00353-4.
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Affiliation(s)
- Matthew McDaniel
- Department of Mathematics, North Carolina State University, Raleigh, NC, USA
| | - Kevin B Flores
- Department of Mathematics, North Carolina State University, Raleigh, NC, USA
| | - Belinda S Akpa
- Division of Biosciences, Oak Ridge National Laboratory, Oak Ridge, TN, USA. .,Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN, USA. .,Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA.
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Dontukurthy S, Tobias JD. Update on Local Anesthetic Toxicity, Prevention and Treatment During Regional Anesthesia in Infants and Children. J Pediatr Pharmacol Ther 2021; 26:445-454. [PMID: 34239395 DOI: 10.5863/1551-6776-26.5.445] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 09/17/2020] [Indexed: 01/29/2023]
Abstract
Local anesthetic agents play a key role in the treatment and prevention of pain in children. Although generally safe and effective, as with any pharmacologic agent, adverse effects may occur with the administration of these medications. Systemic absorption or inadvertent systemic injection during bolus dosing or continuous infusion can result in local anesthetic systemic toxicity with life-threatening neurological and cardiac complications. The following article reviews the pharmacology of local anesthetic agents, outlines previous reports of systemic toxicity during regional anesthesia, and discusses prevention and treatment algorithms.
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Clemons J, Jandu A, Stein B, Chary MA. Early intravenous lipid emulsion therapy for diphenhydramine overdose: a case report. TOXICOLOGY COMMUNICATIONS 2021. [DOI: 10.1080/24734306.2020.1870078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Joseph Clemons
- Department of Emergency Medicine, Kendall Regional Medical Center, Miami, FL, USA
| | - Arvinder Jandu
- Department of Emergency Medicine, Kendall Regional Medical Center, Miami, FL, USA
| | - Brandon Stein
- Department of Emergency Medicine, Kendall Regional Medical Center, Miami, FL, USA
| | - Michael A. Chary
- Department of Emergency Medicine, Division of Medical Toxicology, Boston Children’s Hospital, Boston, MA, USA
- Division of Medical Toxicology, Department of Emergency Medicine, Weil Cornell Medical College, New York, NY, USA
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Abstract
Cardiac arrest in the operating room and in the immediate postoperative period is a potentially catastrophic event that is almost always witnessed and is frequently anticipated. Perioperative crises and perioperative cardiac arrest, although often catastrophic, are frequently managed in a timely and directed manner because practitioners have a deep knowledge of the patient's medical condition and details of recent procedures. It is hoped that the approaches described here, along with approaches for the rapid identification and management of specific high-stakes clinical scenarios, will help anesthesiologists continue to improve patient outcomes.
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Affiliation(s)
- Benjamin T Houseman
- Memorial Healthcare System Anesthesiology Residency Program, Envision Physician Services, 703 North Flamingo Road, Pembroke Pines, FL 33028, USA
| | - Joshua A Bloomstone
- Envision Physician Services, 7700 W Sunrise Boulevard, Plantation, FL 33322, USA; University of Arizona College of Medicine-Phoenix, 475 N 5th Street, Phoenix, AZ 85004, USA; Division of Surgery and Interventional Sciences, University of College London, Centre for Perioperative Medicine, Charles Bell House, 43-45 Foley Street, London, WIW 7TS, England
| | - Gerald Maccioli
- Quick'r Care, 990 Biscayne Boulevard #501, Miami, FL 33132, USA.
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Fettiplace MR, Pichurko AB. Heterogeneity and bias in animal models of lipid emulsion therapy: a systematic review and meta-analysis. Clin Toxicol (Phila) 2020; 59:1-11. [PMID: 33025830 DOI: 10.1080/15563650.2020.1814316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Clinicians utilize lipid emulsion to treat local anesthetic toxicity and non-local anesthetic toxicities, a practice supported by animal experimentation and clinical experience. Prior meta-analysis confirmed a mortality benefit of lipid emulsion in animal models of local anesthetic toxicity but the benefit of lipid emulsion in models of non-local anesthetic toxicity remains unanswered. Further, swine suffer an anaphylactoid reaction from lipid emulsions calling into question their role as a model system to study lipid, so we examined swine and non-swine dependent outcomes in models of intravenous lipid emulsion. METHODS We conducted a systematic review and meta-analysis examining the use of lipid emulsion therapy in animal models of cardiac toxicity. We quantified mortality using a random-effects odds-ratio method. Secondary outcomes included survival in the following subgroups: local-anesthetic systemic toxicity, non-local anesthetic toxicity, swine-based models, and non-swine models (e.g., rat, rabbit and dog). We assessed for heterogeneity with Cochran's Q and I2. We examined bias with Egger's test & funnel plot analysis. RESULTS Of 2784 references screened, 58 met criteria for inclusion. Treatment with lipid emulsion reduced chance of death in all models of toxicity with an odds ratio of death of 0.26 (95% CI 0.16-0.44, Z-5.21, p < 0.00001, Cohen's-d = 0.72, n = 60). Secondary outcomes confirmed a reduced chance of death in models of local anesthetic toxicity (OR 0.16 {95% CI 0.1-0.33}) and non-local anesthetic toxicity (OR 0.43 {95% CI 0.22-0.83}). Heterogeneity (Cochran's Q 132 {df = 59, p < 0.01}, I 2 = 0.55) arose primarily from animal-model and disappeared (I 2 < = 0.12) when we analyzed swine and non-swine subgroups independently. Swine only benefited in models of local anesthetic toxicity (OR 0.28 {95% CI 0.11-0.7}, p = 0.0033) whereas non-swine models experienced a homogeneous benefit across all toxins (OR 0.1 {95% CI 0.06-0.16}, p < 0.00001). Egger's test identified risk of bias with outliers on funnel plot analysis. DISCUSSION Lipid emulsion therapy reduces mortality in animal models of toxicity. Heterogeneity arises from the animal-model used. Swine only benefit in models of local anesthetic toxicity, potentially due to lipid dose, experimental design or swine's anaphylactoid reaction to lipid. Outlier analysis reinforced the need for appropriate dosing of lipid emulsion along with airway management and chest compressions in the setting of cardiac arrest.
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Affiliation(s)
- Michael R Fettiplace
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Adrian B Pichurko
- Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Yang J, Hao Z, Li W, Duan C, Fan X, Xin J, Ren C. The Efficacy and Safety of Paravertebral Block Combined with Parecoxib During Video-Assisted Thoracic Surgery: A Randomized Controlled Trial. J Pain Res 2020; 13:355-366. [PMID: 32104057 PMCID: PMC7025740 DOI: 10.2147/jpr.s244787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 01/29/2020] [Indexed: 12/13/2022] Open
Abstract
Background Although video-assisted thoracoscopic surgery (VATS) is increasingly used, the optimal analgesia strategy is still unknown. We explore the efficacy and safety of preemptive ultrasound-guided paravertebral block (PVB) combined with parecoxib during VATS. Methods Seventy-four patients were divided into two groups. PVBs were performed before anesthesia induction under real-time ultrasound guidance. Visual analog scale (VAS) score with coughing at 48 h after surgery, postoperative sufentanil consumption and level of sedation (LOS) at 1, 4, 8, 12, 24, and 48 h postoperatively, intraoperative hemodynamics, satisfaction scores of patients and surgeons, remedial measures, time to chest tube removed and mobilization, adverse effects and hospital stay length were recorded. We also recorded inflammatory markers, respiratory function and the prevalence of chronic pain after surgery. Results VAS scores at rest and with coughing during the first 24 h after surgery were significantly lower in the P group (P<0.05). Consumption of sevoflurane, remifentanil, and dexmedetomidine was all significantly reduced in the P group (P<0.05). The consumption of sufentanil within 48 h after surgery, time to first dose and total dose of rescue ketorolac was significantly lower in the P group (P<0.05). The FEV1/FVC ratio was significantly higher in the P group at 1 and 3 d after surgery (P<0.05). Times to chest tube removal and mobilization were significantly shorter in the P group (P<0.05). Compared with the C group, the level of both ACTH and cortisol was significantly reduced in the P group at 1 and 3 d after surgery (P<0.05). Conclusion PVB combined with parecoxib was associated with better pain relief, decreased sufentanil and ketorolac consumption, less hemodynamic instability, and a lower surgery-related stress response. However, the incidences of chronic pain 3 and 6 months after surgery and the risk of complication except urinary retention were not significantly different between groups.
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Affiliation(s)
- Junling Yang
- Department of Anesthesiology, Ordos Central Hospital, Ordos, People's Republic of China
| | - Zaijun Hao
- Department of Anesthesiology, Ordos Central Hospital, Ordos, People's Republic of China
| | - Wei Li
- Department of Anesthesiology, Ordos Central Hospital, Ordos, People's Republic of China
| | - Caiping Duan
- Department of Anesthesiology, Ordos Central Hospital, Ordos, People's Republic of China
| | - Xiujuan Fan
- Department of Anesthesiology, Ordos Central Hospital, Ordos, People's Republic of China
| | - Jing Xin
- Department of Anesthesiology, Ordos Central Hospital, Ordos, People's Republic of China
| | - Chunguang Ren
- Department of Anesthesiology, Liaocheng People's Hospital, Liaocheng, Shandong, People's Republic of China
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Nie H, Bai Z, Li Z, Yan L, Chen XX. Intravenous lipid emulsion modifies synaptic transmission in hippocampal CA1 pyramidal neurons after bupivacaine-induced central nervous system toxicity. J Neurochem 2019; 154:144-157. [PMID: 31758799 PMCID: PMC7383907 DOI: 10.1111/jnc.14924] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 11/06/2019] [Accepted: 11/06/2019] [Indexed: 12/23/2022]
Abstract
Local anesthetics can cause severe toxicity when absorbed systemically. Rapid intravenous administration of lipid emulsion (LE) is the standard of care for severe local anesthetic systemic toxicity which can cause cardiovascular and central nervous system (CNS) injury. The biological mechanism by which LE alleviates CNS toxicity remains unknown and understudied. Previous research has suggested that local anesthetics cause an imbalance of excitatory and inhibitory transmission in the brain. Therefore, this study aimed to observe the effect of LE on glutamate- and GABA-induced currents in CA1 pyramidal neurons after bupivacaine-induced CNS toxicity. We further characterized post-synaptic modifications in these cells to try to elucidate the mechanism by which LE mediates bupivacaine-induced CNS toxicity. Sprague-Dawley rats received intravenous bupivacaine (1 mg kg-1 min-1 ) in either normal saline or LE (or LE without bupivacaine) for 5 min. An acute brain slice preparation and a combination of whole-cell patch clamp techniques and whole-cell recordings were used to characterize action potential properties, miniature excitatory, and inhibitory post-synaptic currents, and post-synaptic modifications of excitatory and inhibitory transmission in CA1 hippocampal pyramidal neurons. The expression level of GABAA receptors were assessed with western blotting, whereas H&E and TUNEL staining were used to assess cytoarchitecture and apoptosis levels respectively. Bupivacaine treatment significantly increased the number of observed action potentials, whereas significantly decreasing rheobase, the first interspike interval (ISI), and hyperpolarization-activated cation currents (Ih) in CA1 pyramidal neurons. LE treatment significantly reduced the frequency of miniature inhibitory post-synaptic currents and enhanced GABA-induced paired pulse ratio with 50 ms interval stimulation in bupivacaine-treated rats. Regulation of GABAA levels is a promising mechanism by which LE may ameliorate CNS toxicity after systemic absorption of bupivacaine.
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Affiliation(s)
- Hao Nie
- Department of Anesthesiology, General Hospital of Ning Xia Medical University, Yin Chuan, China
| | - Zhixia Bai
- Department of Anesthesiology, General Hospital of Ning Xia Medical University, Yin Chuan, China
| | - Zhenzhou Li
- Department of Anesthesiology, General Hospital of Ning Xia Medical University, Yin Chuan, China
| | - Li Yan
- Institute of Brain Sciences, YICHUANG Institute of Bio-Industry, Beijing, China
| | - Xue-Xin Chen
- Department of Anesthesiology, General Hospital of Ning Xia Medical University, Yin Chuan, China
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Local anesthetic systemic toxicity: proposed mechanisms for lipid resuscitation and methods of prevention. J Anesth 2019; 33:569-571. [DOI: 10.1007/s00540-019-02648-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 04/24/2019] [Indexed: 10/26/2022]
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Paneta M, Waring WS. Literature review of the evidence regarding intravenous lipid administration in drug-induced cardiotoxicity. Expert Rev Clin Pharmacol 2019; 12:591-602. [PMID: 31106655 DOI: 10.1080/17512433.2019.1621163] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction: Intravenous lipid emulsion (ILE) administration is capable of reversing the acute cardiac and neurological toxicity caused by local anesthetic agents. In recent years, ILE has also been explored as a potential antidote for cardiotoxicity caused by non-anesthetic agents too. Areas covered: The potential mechanisms, safety, and efficacy of this approach are considered. Data were sought from published reports listed in PubMed and EMBASE, and abstracts of meetings of the North American Congress of Clinical Toxicology and European Association of Poisons Centres and Clinical Toxicologists. There were reports involving 298 patients where ILE has been administered for severe drug toxicity. Clinical improvement was observed in 57 of 59 patients with local anesthetic toxicity (96.6%); there were 239 patients where toxicity was due to non-anesthetic agents, and ILE apparently improved clinical outcome in 215 (72.1%). Expert opinion: Response rates were similar between ILE treated toxicity caused by lipid soluble and non-lipid soluble drugs. Potential adverse effects of ILE include interference with laboratory assays, acute pancreatitis, and adult respiratory distress syndrome, although the rate of occurrence is difficult to ascertain.
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Affiliation(s)
- Maria Paneta
- a Acute Medical Unit , York Teaching Hospital NHS Foundation Trust , York , UK
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Liu L, Jin Z, Cai X, Xia Y, Zhang M, Papadimos TJ, Xu X, Shi K. Comparative Regimens of Lipid Rescue From Bupivacaine-Induced Asystole in a Rat Model. Anesth Analg 2019; 128:256-263. [DOI: 10.1213/ane.0000000000003711] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Smolinske S, Hoffman RS, Villeneuve E, Hoegberg LCG, Gosselin S. Utilization of lipid emulsion therapy in fatal overdose cases: an observational study. Clin Toxicol (Phila) 2018; 57:197-202. [DOI: 10.1080/15563650.2018.1504954] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Susan Smolinske
- New Mexico Poison and Drug Information Center, University of New Mexico, Albuquerque, NM, USA
| | - Robert S. Hoffman
- Division of Medical Toxicology, Ronald O. Perelman Department of Emergency Medicine, NYU School of Medicine, New York, NY, USA
| | - Eric Villeneuve
- Department of Pharmacy, McGill University Health Centre, Montreal, Canada
| | - Lotte C. G. Hoegberg
- Department of Anesthesiology and the Danish Poisons Information Centre, Copenhagen University Hospital Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Sophie Gosselin
- Centre Antipoison du Québec, McGill University Health Centre, Hôpital Charles Lemoyne, Quebec, Canada
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Abstract
The experimental use of lipid emulsion for local anesthetic toxicity was originally identified in 1998. It was then translated to clinical practice in 2006 and expanded to drugs other than local anesthetics in 2008. Our understanding of lipid resuscitation therapy has progressed considerably since the previous update from the American Society of Regional Anesthesia and Pain Medicine, and the scientific evidence has coalesced around specific discrete mechanisms. Intravenous lipid emulsion therapy provides a multimodal resuscitation benefit that includes both scavenging (eg, the lipid shuttle) and nonscavenging components. The intravascular lipid compartment scavenges drug from organs susceptible to toxicity and accelerates redistribution to organs where drug (eg, bupivacaine) is stored, detoxified, and later excreted. In addition, lipid exerts nonscavenging effects that include postconditioning (via activation of prosurvival kinases) along with cardiotonic and vasoconstrictive benefits. These effects protect tissue from ischemic damage and increase tissue perfusion during recovery from toxicity. Other mechanisms have diminished in favor based on lack of evidence; these include direct effects on channel currents (eg, calcium) and mass-effect overpowering a block in mitochondrial metabolism. In this narrative review, we discuss these proposed mechanisms and address questions left to answer in the field. Further work is needed, but the field has made considerable strides towards understanding the mechanisms.
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Low dose Intralipid resuscitation improves survival compared to ClinOleic in propranolol overdose in rats. PLoS One 2018; 13:e0202871. [PMID: 30161186 PMCID: PMC6116996 DOI: 10.1371/journal.pone.0202871] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/10/2018] [Indexed: 12/15/2022] Open
Abstract
Background Medication overdose is a prevalent issue and despite mixed reports of efficacy, the use of intravenous lipid emulsions, notably Intralipid®, for the management of toxicity from lipid-soluble drugs is becoming increasingly prevalent. Whether alternative lipid emulsion formulations have similar efficacy for resuscitation compared to Intralipid is not known. Here, we compared the efficacy of Intralipid and ClinOleic® for resuscitation following overdose with the lipid-soluble beta-adrenergic antagonist propranolol. Methods Male Sprague-Dawley rats (age 3–4 months) were anesthetized with isoflurane and instrumented for direct hemodynamic assessments. In Study One, rats (n = 22) were pre-treated with Intralipid 20% (n = 12) or ClinOleic 20% (n = 10) to determine whether the hemodynamic effects of propranolol could be prevented. In Study Two, rats were randomly assigned to Intralipid 20% (1, 2, or 3 mL/kg IV, n = 21) or ClinOleic 20% (1, 2, or 3 mL/kg IV, n = 20) resuscitation groups following propranolol overdose (15 mg/kg IV). In Study Three the effect of Intralipid 20% (1 mL/kg IV, n = 3) and ClinOleic 20% (1 mL/kg IV, n = 3) in the absence of propranolol was investigated. The primary endpoint in all studies was survival time (up to a maximum of 120 minutes), and secondary endpoints were time to achieve 50%, 75%, and 90% of baseline hemodynamic parameters. Results In Study One, pre-treatment with Intralipid prior to propranolol administration resulted in prolonged survival compared to pre-treatment with ClinOleic at low doses (1 mL/kg; P = 0.002), but provided no benefit at higher doses (3 mL/kg; P = 0.95). In Study Two, Intralipid conferred a survival advantage over ClinOleic, with 18/21 rats surviving 120 minutes in the Intralipid group and only 4/20 survivors in the ClinOleic group (P<0.0001). Median survival times (with interquartile ranges) for rats treated with Intralipid, and ClinOleic, and saline were 120 (80.5–120) min, 21.5 (3.25–74.5) min, and 1 (0.25–2.5) min respectively (P<0.001). Only 3/21 rats in the Intralipid group survived less than 30 minutes, whereas 12/20 ClinOleic treated rats had survival times of less than 30 minutes. The number of rats achieving 75%, and 90% of baseline mean arterial pressure was also greater in the Intralipid group (P<0.05 for both values). Treatment in Study Three did not alter survival times. Conclusions Low-dose Intralipid (1, 2, or 3 mL/kg IV) confers a survival advantage up to 120 minutes post-propranolol overdose (the end-point of the experiment) and better hemodynamic recovery compared to ClinOleic (1, 2, or 3 mL/kg IV) in rats with propranolol overdose. As health care centres choose alternate intravenous lipid emulsions, limited availability of Intralipid could impact efficacy and success of overdose treatment for lipid-soluble drugs.
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Ropivacaine Plasma Concentrations after 192-Hour High Dose Epidural Ropivacaine Infusion in a Pediatric Patient without Side Effects. Case Rep Anesthesiol 2018; 2018:9150980. [PMID: 30105100 PMCID: PMC6076945 DOI: 10.1155/2018/9150980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 07/01/2018] [Indexed: 11/23/2022] Open
Abstract
This case report discusses continuous epidural administration of ropivacaine 0.56 mg kg−1 h −1 for 8 days in a 7-year-old trauma patient to prevent pain, after performing a lower right and upper left leg guillotine amputation. Venous sampling after 8 days revealed bound and unbound ropivacaine concentrations of 1.1 mg/l and 0.06 mg/l in plasma, respectively. Arterial sampling for bound and unbound ropivacaine was 1.2 mg/l and 0.05 mg/l in plasma, respectively. In this case report, long-term high dose epidural infiltration of ropivacaine did not result in severe side effects or complications. Further studies are needed to explore safety of these concentrations in larger populations of children.
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Lipid Emulsion Pretreatment Decreased the Maximum Total and Free Plasma Concentration of Levobupivacaine for Femoral and Sciatic Nerve Block in Below-Knee Fracture Surgery. Reg Anesth Pain Med 2018; 43:838-843. [DOI: 10.1097/aap.0000000000000834] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
The use of intravenous lipid emulsion (ILE) therapy as antidote in systemic toxicity of certain agents has gained widespread support. There are increasing data suggesting use of ILE in reversing from local anesthetic-induced systemic toxicity severe, life-threatening cardiotoxicity, although findings are contradictory. Efficiency of ILE was demonstrated in animal studies in the treatment of severe impairment of cardiac functions, via a mechanism for trapping lipophilic drugs in an expanded plasma lipid compartment (“lipid sink”). In patients with hemodynamic compromise and/or cardiovascular collapse due to lipid-soluble agents, ILE may be considered for resuscitation in the acute setting by emergency physicians. The most common adverse effects from standard ILE include hypertriglyceridemia, fat embolism, infection, vein irritation, pancreatitis, electrolyte disturbances and allergic reactions. The advantages of ILE include an apparent wide margin of safety, relatively low cost, long shelf-life, and ease of administration.
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Affiliation(s)
- Ozgur Karcioglu
- Department of Emergency Medicine, University of Health Sciences, Istanbul Education and Research Hospital, Istanbul, Turkey. E-mail.
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Abstract
PURPOSE OF REVIEW Enthusiasm for regional anesthesia has been driven by multimodal benefits to patient outcomes. Despite widespread awareness and improved techniques (including the increasing use of ultrasound guidance for block placement), intravascular sequestration and the attendant risk of local anesthetic systemic toxicity (LAST) remains. Intravenous lipid emulsion (ILE) for the treatment of LAST has been endorsed by anesthetic regulatory societies on the basis of animal study and human case report data. The accumulated mass of reporting now permits objective interrogation of published literature. RECENT FINDINGS Although incompletely elucidated the mechanism of action for ILE in LAST seemingly involves beneficial effects on initial drug distribution (i.e., pharmacokinetic effects) and positive cardiotonic and vasoactive effects (i.e., pharmacokinetic effects) acting in concert. Recent systematic review by collaborating international toxicologic societies have provided reserved endorsement for ILE in bupivacaine-induced toxicity, weak support for ILE use in toxicity from other local anesthetics, and largely neutral recommendation for all other drug poisonings. Work since publication of these recommendations has concluded that there is a positive effect on survival for ILE when animal models of LAST are meta-analyzed and evidence of a positive pharmacokinetic effect for lipid in human models of LAST. SUMMARY Lipid emulsion remains first-line therapy (in conjunction with standard resuscitative measures) in LAST. Increasing conjecture as to the clinical efficacy of ILE in LAST, however, calls for high-quality human data to refine clinical recommendations.
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McEvoy MD, Thies KC, Einav S, Ruetzler K, Moitra VK, Nunnally ME, Banerjee A, Weinberg G, Gabrielli A, Maccioli GA, Dobson G, O’Connor MF. Cardiac Arrest in the Operating Room. Anesth Analg 2018; 126:889-903. [DOI: 10.1213/ane.0000000000002595] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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The Third American Society of Regional Anesthesia and Pain Medicine Practice Advisory on Local Anesthetic Systemic Toxicity. Reg Anesth Pain Med 2018; 43:113-123. [DOI: 10.1097/aap.0000000000000720] [Citation(s) in RCA: 166] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Ok SH, Hong JM, Lee SH, Sohn JT. Lipid Emulsion for Treating Local Anesthetic Systemic Toxicity. Int J Med Sci 2018; 15:713-722. [PMID: 29910676 PMCID: PMC6001420 DOI: 10.7150/ijms.22643] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 04/12/2018] [Indexed: 02/07/2023] Open
Abstract
Lipid emulsion has been shown to be an effective treatment for systemic toxicity induced by local anesthetics, which is reflected in case reports. A systemic review and meta-analysis confirm the efficacy of this treatment. Investigators have suggested mechanisms associated with the lipid emulsion-mediated recovery of cardiovascular collapse caused by local anesthetic systemic toxicity; these mechanisms include lipid sink, a widely accepted theory in which highly soluble local anesthetics (particularly bupivacaine) are absorbed into the lipid phase of plasma from tissues (e.g., the heart) affected by local-anesthetic-induced toxicity; enhanced redistribution (lipid shuttle); fatty acid supply; reversal of mitochondrial dysfunction; inotropic effects; glycogen synthase kinase-3β phosphorylation associated with inhibition of the mitochondrial permeability transition pore opening; inhibition of nitric oxide release; and reversal of cardiac sodium channel blockade. The current review includes the following: 1) an introduction, 2) a list of the proposed mechanisms, 3) a discussion of the best lipid emulsion treatment for reversal of local anesthetic toxicity, 4) a description of the effect of epinephrine on lipid emulsion-mediated resuscitation, 5) a description of the recommended lipid emulsion treatment, and 6) a conclusion.
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Affiliation(s)
- Seong-Ho Ok
- Department of Anesthesiology and Pain Medicine, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, 15 Jinju-daero 816 Beon-gil, Jinju-si, Gyeongsangnam-do, 52727, Republic of Korea.,Institute of Health Sciences, Gyeongsang National University, Jinju-si, 52727, Republic of Korea
| | - Jeong-Min Hong
- Department of Anesthesia and Pain Medicine, Pusan National University School of Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Soo Hee Lee
- Department of Anesthesiology and Pain Medicine, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, 15 Jinju-daero 816 Beon-gil, Jinju-si, Gyeongsangnam-do, 52727, Republic of Korea.,Institute of Health Sciences, Gyeongsang National University, Jinju-si, 52727, Republic of Korea
| | - Ju-Tae Sohn
- Department of Anesthesiology and Pain Medicine, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, 15 Jinju-daero 816 Beon-gil, Jinju-si, Gyeongsangnam-do, 52727, Republic of Korea.,Institute of Health Sciences, Gyeongsang National University, Jinju-si, 52727, Republic of Korea
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Dun-Chi Lin J, Sivanesan E, Horlocker TT, Missair A. Two for One: A Case Report of Intravenous Lipid Emulsion to Treat Local Anesthetic Systemic Toxicity in Term Pregnancy. ACTA ACUST UNITED AC 2017; 8:235-237. [PMID: 28099175 DOI: 10.1213/xaa.0000000000000477] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Combined spinal-epidural (CSE) analgesia is a frequently used method of labor analgesia. Although it is considered safe and effective, CSE can be complicated by local anesthetic systemic toxicity (LAST), a potentially life-threatening condition. We present a case of LAST that developed in a primigravida 50 minutes after uneventful placement of a CSE. Her symptoms resolved within 10 minutes of administering intralipid emulsion. She subsequently underwent cesarean delivery under spinal anesthesia for failure to progress without sequelae in the mother or infant. LAST in pregnancy can occur at traditionally subthreshold dosing; anesthesiologists must be vigilant to ensure prompt and effective treatment.
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Affiliation(s)
- Jonathan Dun-Chi Lin
- From the *Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland; †Department of Anesthesiology, Jackson Memorial Hospital, Miami, Florida; ‡Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota; and §Department of Anesthesiology, University of Miami, Miami, Florida
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Fettiplace MR. Reply to Hoegberg et al.: letter in response to “lipid emulsion improves survival in animal models of local anesthetic toxicity: a meta-analysis”. Clin Toxicol (Phila) 2017; 55:1021-1022. [DOI: 10.1080/15563650.2017.1325490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Michael R. Fettiplace
- Medical Scientist Training Program, University of Illinois College of Medicine, Chicago, Illinois, USA
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Wali B, Stein DG, Sayeed I. Intralipid Vehicle Does Not Interfere with the Efficacy of Progesterone in Attenuating Edema following Traumatic Brain Injury. J Neurotrauma 2017; 34:2183-2186. [DOI: 10.1089/neu.2016.4845] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Bushra Wali
- Department of Emergency Medicine, Emory University, Atlanta, Georgia
| | - Donald G. Stein
- Department of Emergency Medicine, Emory University, Atlanta, Georgia
| | - Iqbal Sayeed
- Department of Emergency Medicine, Emory University, Atlanta, Georgia
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Weinberg G. Current evidence supports use of lipid rescue therapy in local anaesthetic systemic toxicity. Acta Anaesthesiol Scand 2017; 61:365-368. [PMID: 28251603 DOI: 10.1111/aas.12870] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- G. Weinberg
- Department of Anesthesiology M/C 515; University of Illinois Hospital; Jesse Brown VA Medical Center; Chicago IL USA
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Fettiplace MR, McCabe DJ. Lipid emulsion improves survival in animal models of local anesthetic toxicity: a meta-analysis. Clin Toxicol (Phila) 2017; 55:617-623. [DOI: 10.1080/15563650.2017.1288911] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Michael R. Fettiplace
- Medical Scientist Training Program, University of Illinois College of Medicine, Chicago, IL, USA
| | - Daniel J. McCabe
- Department of Emergency Medicine, John H. Stroger Cook County Hospital, Chicago, IL, USA
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Hoshino R, Kamiya Y, Fujii Y, Tsubokawa T. Lipid emulsion injection-induced reversal of cardiac toxicity and acceleration of emergence from general anesthesia after scalp infiltration of a local anesthetic: a case report. JA Clin Rep 2017; 3:9. [PMID: 29492448 PMCID: PMC5813673 DOI: 10.1186/s40981-017-0077-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 01/18/2017] [Indexed: 11/10/2022] Open
Abstract
Background A scalp block or wound infiltration of local anesthetic is thought to effectively control post-craniotomy pain. However, it can result in local anesthetic toxicity (LAST), which is difficult to distinguish from brain damage due to the surgical procedure when emergence from general anesthesia is delayed. Lipid rescue (infusion of a lipid emulsion) is a widely accepted treatment for LAST. Case presentation A 64-year-old man underwent surgical resection of a glioma in the brainstem. While still under general anesthesia, and before suturing of the wound, he received a 20-mL scalp infusion of ropivacaine 0.75%. His emergence from anesthesia was delayed, his respiration was suppressed, and premature ventricular contractions occurred; all of which are symptoms of LAST. Injection of a 20% lipid emulsion rapidly alleviated these symptoms. Interestingly, the blood concentration of ropivacaine increased after lipid rescue. Conclusions The increase in ropivacaine concentration in the blood after lipid rescue suggests that the intravenously administered lipid emulsion absorbed the ropivacaine from the intoxicated brain and heart tissue. This finding is consistent with the lipid sink theory as a mechanistic explanation of lipid rescue.
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Affiliation(s)
- Rintaro Hoshino
- 1Division of Anesthesiology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Chuo Ward, Niigata, 951-8510 Japan
| | - Yoshinori Kamiya
- 1Division of Anesthesiology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Chuo Ward, Niigata, 951-8510 Japan.,2Department of Anesthesiology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, 4132 Urasa, Minami-uonuma, Niigata, 949-7302 Japan
| | - Yuka Fujii
- 3Department of Anesthesiology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan.,4Department of Anesthesiology, Ishikawa Prefectural Central Hospital, 2-1 Kuratsuki-higashi, Kanazawa, Ishikawa 920-8201 Japan
| | - Tsunehisa Tsubokawa
- 3Department of Anesthesiology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa 920-8641 Japan.,5Department of Anesthesiology, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato Ward, Tokyo, 105-8461 Japan
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