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Muldowney M, Counts CR, Maider MC, Sharar SR, McCoy AM, Nathwani R, Wall JJ, Pache K, Maynard C, Rea TD, Kudenchuk PJ, Sayre MR. A Comparison of Ketamine to Midazolam for the Management of Acute Behavioral Disturbance in the Out-of-Hospital Setting. Ann Emerg Med 2024:S0196-0644(24)01069-2. [PMID: 39436328 DOI: 10.1016/j.annemergmed.2024.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 08/31/2024] [Accepted: 09/09/2024] [Indexed: 10/23/2024]
Abstract
STUDY OBJECTIVE Acute behavioral disturbance is characterized by altered mental status and psychomotor agitation. Pharmacological sedation may be required, risking potential respiratory compromise. We compared the need for emergent airway support following administration of midazolam or ketamine to treat acute behavioral disturbance in the out-of-hospital setting. METHODS In this retrospective cohort study of patients with acute behavioral disturbance in an urban emergency medical service system between 2017 and 2021, we compared the likelihood of out-of-hospital advanced airway management following administration of midazolam or ketamine. Advanced airway management was defined as out-of-hospital endotracheal intubation or supraglottic airway insertion. RESULTS Among 376 eligible patients, the median age was 35, and 78% were men. The most common etiologies of acute behavioral disturbance were substance use (51%), trauma (18%), and presumed postictal agitation (11%). In all, 162 patients (43%) initially received midazolam and 214 (57%) ketamine. The frequency of advanced airway management was similar between these respective groups (12% [n=19] versus 11% [n=24], difference 0.5%, 95% CI -6.0% to 7.0%). Adjusted for potential confounders, the odds of receiving advanced airway management did not differ between midazolam and ketamine (aOR 1.02, 95% CI 0.44 to 2.38), and no differences were observed in emergency department intubation rates (14% in midazolam recipients, 11% for ketamine) or overall mortality (2% in midazolam recipients, 1% for ketamine). CONCLUSION In this cohort study of patients with acute behavioral disturbance, emergent airway support and other outcomes did not differ following out-of-hospital treatment with midazolam or ketamine.
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Affiliation(s)
- Maeve Muldowney
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA.
| | - Catherine R Counts
- Department of Emergency Medicine, University of Washington, Seattle, WA; Seattle Fire Department, Seattle, WA
| | | | - Sam R Sharar
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA
| | - Andrew M McCoy
- Department of Emergency Medicine, University of Washington, Seattle, WA
| | - Rajen Nathwani
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA
| | - Jessica J Wall
- Department of Emergency Medicine, University of Washington, Seattle, WA; Department of Pediatrics, Division of Emergency Medicine, Seattle, WA
| | - Killian Pache
- Department of Emergency Medicine, University of Washington, Seattle, WA
| | - Charles Maynard
- University of Washington School of Public Health, Seattle, WA
| | - Thomas D Rea
- Department of Medicine, University of Washington, Seattle, WA; Division of Emergency Medical Services, Public Health, Seattle & King County, Seattle, WA
| | - Peter J Kudenchuk
- Division of Emergency Medical Services, Public Health, Seattle & King County, Seattle, WA; Department of Medicine, Division of Cardiology, University of Washington, Seattle, WA
| | - Michael R Sayre
- Department of Emergency Medicine, University of Washington, Seattle, WA; Seattle Fire Department, Seattle, WA
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Amer M, Møller MH, Alshahrani M, Shehabi Y, Arabi YM, Alshamsi F, Sigurðsson MI, Rehn M, Chew MS, Kalliomäki ML, Lewis K, Al-Suwaidan FA, Al-Dorzi HM, Al-Fares A, Alsadoon N, Bell CM, Groth CM, Parke R, Mehta S, Wischmeyer PE, Al-Omari A, Olkkola KT, Alhazzani W. Ketamine analgo-sedation for mechanically ventilated critically ill adults: A rapid practice guideline from the Saudi Critical Care Society and the Scandinavian Society of Anesthesiology and Intensive Care Medicine. Acta Anaesthesiol Scand 2024; 68:1161-1178. [PMID: 39198198 DOI: 10.1111/aas.14470] [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: 03/18/2024] [Revised: 05/16/2024] [Accepted: 05/29/2024] [Indexed: 09/01/2024]
Abstract
BACKGROUND This Rapid Practice Guideline (RPG) aimed to provide evidence-based recommendations for ketamine analgo-sedation (monotherapy and adjunct) versus non-ketamine sedatives or usual care in adult intensive care unit (ICU) patients on invasive mechanical ventilation (iMV) and to identify knowledge gaps for future research. METHODS The RPG panel comprised 23 multinational multidisciplinary panelists, including a patient representative. An up-to-date systematic review and meta-analysis constituted the evidence base. The Grading Recommendations, Assessment, Development, and Evaluation approach, and the evidence-to-decision framework were used to assess the certainty of evidence and to move from evidence to decision/recommendation. The panel provided input on the balance of the desirable and undesirable effects, certainty of evidence, patients' values and preferences, costs, resources, equity, feasibility, acceptability, and research priorities. RESULTS Data from 17 randomized clinical trials (n = 898) and nine observational studies (n = 1934) were included. There was considerable uncertainty about the desirable and undesirable effects of ketamine monotherapy for analgo-sedation. The evidence was very low certainty and downgraded for risk of bias, indirectness, and inconsistency. Uncertainty or variability in values and preferences were identified. Costs, resources, equity, and acceptability were considered varied. Adjunctive ketamine therapy had no effect on mortality (within 28 days) (relative risk [RR] 0.99; 95% confidence interval [CI] 0.76 to 1.27; low certainty), and may slightly reduce iMV duration (days) (mean difference [MD] -0.05 days; 95% CI -0.07 to -0.03; low certainty), and uncertain effect on the cumulative dose of opioids (mcg/kg/h morphine equivalent) (MD -11.6; 95% CI -20.4 to -2.7; very low certainty). Uncertain desirable effects (cumulative dose of sedatives and vasopressors) and undesirable effects (adverse event rate, delirium, arrhythmia, hepatotoxicity, hypersalivation, use of physical restraints) were also identified. A possibility of important uncertainty or variability in patient-important outcomes led to a balanced effect that favored neither the intervention nor the comparison. Cost, resources, and equity were considered varied. CONCLUSION The RPG panel provided two conditional recommendations and suggested (1) against using ketamine as monotherapy analgo-sedation in critically ill adults on iMV when other analgo-sedatives are available; and (2) using ketamine as an adjunct to non-ketamine usual care sedatives (e.g., opioids, propofol, dexmedetomidine) or continuing with non-ketamine usual care sedatives alone. Large-scale trials should provide additional evidence.
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Affiliation(s)
- Marwa Amer
- Medical/Critical Pharmacy Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- College of Medicine and Pharmacy, Alfaisal University, Riyadh, Saudi Arabia
| | - Morten Hylander Møller
- Department of Intensive Care, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Guidelines in Intensive Care Medicine, Development and Evaluation (GUIDE) Group, The Research Institute of St. Joe's, Hamilton, Canada
| | - Mohammed Alshahrani
- Department of Emergency and Critical Care, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Yahya Shehabi
- School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
- Clinical School of Medicine, University of New South Wales, Randwick Campus, New South Wales, Australia
| | - Yaseen M Arabi
- Intensive Care Department, Ministry of National Guard Health Affairs, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Fayez Alshamsi
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates University, Alain, United Arab Emirates
| | - Martin Ingi Sigurðsson
- Faculty of Medicine, University of Iceland, Reykjavík, Iceland
- Division of Anaesthesia and Intensive Care Medicine, Landspitali-The National University Hospital of Iceland, Reykjavík, Iceland
| | - Marius Rehn
- Division of Prehospital Services, Air Ambulance Department, Oslo University Hospital, Oslo, Norway
- The Norwegian Air Ambulance Foundation, Oslo, Norway
- Faculty of Health Sciences, University of Stavanger, Stavanger, Norway
| | - Michelle S Chew
- Department of Anaesthesia and Intensive Care, Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | | | - Kimberley Lewis
- Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Canada
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
| | - Faisal A Al-Suwaidan
- Division of Neurology, Department of Medicine, Security Forces Hospital, Riyadh, Saudi Arabia
- Neurology Clinical Lead, Ministry of Health, Riyadh, Saudi Arabia
- College of Medicine, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
- College of Medicine, Dar Al-Uloom University, Riyadh, Saudi Arabia
| | - Hasan M Al-Dorzi
- Intensive Care Department, Ministry of National Guard Health Affairs, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abdulrahman Al-Fares
- Department of Anesthesia, Critical Care Medicine and Pain Medicine, Al-Amiri Hospital, Minister of Health, Kuwait City, Kuwait
- Kuwait Extracorporeal Life Support Program, Al-Amiri Center for Advance Respiratory and Cardiac Failure, Ministry of Health, Kuwait City, Kuwait
| | - Naif Alsadoon
- Alshaya International Trading Company, Riyadh, Saudi Arabia
| | - Carolyn M Bell
- Medical University of South Carolina Hospital Authority, Charleston, South Carolina, USA
- Medical University of South Carolina College of Pharmacy, Charleston, South Carolina, USA
| | | | - Rachael Parke
- School of Nursing University of Auckland, Auckland, New Zealand
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
| | - Sangeeta Mehta
- Department of Medicine, Mount Sinai Hospital; Interdepartmental Division of Intensive Care Medicine, Toronto, Canada
| | - Paul E Wischmeyer
- Deptartments of Anesthesiology and Surgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Awad Al-Omari
- Critical Care Department, Dr Sulaiman Al-Habib Medical Group, Riyadh, Saudi Arabia
| | - Klaus T Olkkola
- Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Waleed Alhazzani
- Guidelines in Intensive Care Medicine, Development and Evaluation (GUIDE) Group, The Research Institute of St. Joe's, Hamilton, Canada
- Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Canada
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
- Department of Critical Care, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- Scientific Research Center, Directorate General of Armed Forces Medical Services, Riyadh, Saudi Arabia
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3
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de Boer HH, Fronczek J, Archer MS. More on: 'the role of restraint in fatal excited delirium syndrome'. Forensic Sci Med Pathol 2024; 20:1136-1139. [PMID: 38085426 PMCID: PMC11525397 DOI: 10.1007/s12024-023-00722-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2023] [Indexed: 11/01/2024]
Affiliation(s)
- Hans H de Boer
- Victorian Institute of Forensic Medicine/Dept. of Forensic Medicine, Monash University, 65 Kavanagh Street, Southbank, VIC, 3006, Australia.
| | - Judith Fronczek
- Victorian Institute of Forensic Medicine/Dept. of Forensic Medicine, Monash University, 65 Kavanagh Street, Southbank, VIC, 3006, Australia
| | - Melanie S Archer
- Victorian Institute of Forensic Medicine/Dept. of Forensic Medicine, Monash University, 65 Kavanagh Street, Southbank, VIC, 3006, Australia
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Amer M, Hylander Møller M, Alshahrani M, Shehabi Y, Arabi YM, Alshamsi F, Ingi Sigurðsson M, Rehn M, Chew MS, Kalliomäki ML, Lewis K, Al-Suwaidan FA, Al-Dorzi HM, Al-Fares A, Alsadoon N, Bell CM, Groth CM, Parke R, Mehta S, Wischmeyer PE, Al-Omari A, Olkkola KT, Alhazzani W. Ketamine Analgo-sedation for Mechanically Ventilated Critically Ill Adults: A Rapid Practice Guideline from the Saudi Critical Care Society and the Scandinavian Society of Anesthesiology and Intensive Care Medicine. Anesth Analg 2024:00000539-990000000-00925. [PMID: 39207913 DOI: 10.1213/ane.0000000000007173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
BACKGROUND This Rapid Practice Guideline (RPG) aimed to provide evidence‑based recommendations for ketamine analgo-sedation (monotherapy and adjunct) versus non-ketamine sedatives or usual care in adult intensive care unit (ICU) patients on invasive mechanical ventilation (iMV) and to identify knowledge gaps for future research. METHODS The RPG panel comprised 23 multinational multidisciplinary panelists, including a patient representative. An up-to-date systematic review and meta-analysis constituted the evidence base. The Grading Recommendations, Assessment, Development, and Evaluation approach, and the evidence-to-decision framework were used to assess the certainty of evidence and to move from evidence to decision/recommendation. The panel provided input on the balance of the desirable and undesirable effects, certainty of evidence, patients' values and preferences, costs, resources, equity, feasibility, acceptability, and research priorities. RESULTS Data from 17 randomized clinical trials (n=898) and 9 observational studies (n=1934) were included. There was considerable uncertainty about the desirable and undesirable effects of ketamine monotherapy for analgo-sedation. The evidence was very low certainty and downgraded for risk of bias, indirectness, and inconsistency. Uncertainty or variability in values and preferences were identified. Costs, resources, equity, and acceptability were considered varied. Adjunctive ketamine therapy had no effect on mortality (within 28 days) (relative risk [RR] 0.99; 95% confidence interval [CI] 0.76 to 1.27; low certainty), and may slightly reduce iMV duration (days) (mean difference [MD] -0.05 days; 95% CI -0.07 to -0.03; low certainty), and uncertain effect on the cumulative dose of opioids (mcg/kg/h morphine equivalent) (MD -11.6; 95% CI -20.4 to -2.7; very low certainty). Uncertain desirable effects (cumulative dose of sedatives and vasopressors) and undesirable effects (adverse event rate, delirium, arrhythmia, hepatotoxicity, hypersalivation, use of physical restraints) were also identified. A possibility of important uncertainty or variability in patient-important outcomes led to a balanced effect that favored neither the intervention nor the comparison. Cost, resources, and equity were considered varied. CONCLUSION The RPG panel provided two conditional recommendations and suggested (1) against using ketamine as monotherapy analgo-sedation in critically ill adults on iMV when other analgo-sedatives are available; and (2) using ketamine as an adjunct to non-ketamine usual care sedatives (e.g., opioids, propofol, dexmedetomidine) or continuing with non-ketamine usual care sedatives alone. Large-scale trials should provide additional evidence.
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Affiliation(s)
- Marwa Amer
- Medical/Critical Pharmacy Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- College of Medicine and Pharmacy, Alfaisal University, Riyadh, Saudi Arabia
| | - Morten Hylander Møller
- Department of Intensive Care, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Guidelines in Intensive Care Medicine, Development and Evaluation (GUIDE) Group, The Research Institute of St. Joe's, Hamilton, Canada
| | - Mohammed Alshahrani
- Department of Emergency and Critical Care, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Yahya Shehabi
- School of Clinical Sciences, Monash University, Clayton Campus, Victoria
- Clinical School of Medicine, University of New South Wales, Randwick Campus, New South Wales, Australia
| | - Yaseen M Arabi
- Intensive Care Department, Ministry of National Guard Health Affairs, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Fayez Alshamsi
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates University, Alain, United Arab Emirates
| | - Martin Ingi Sigurðsson
- Faculty of Medicine, University of Iceland, Iceland
- Division of Anaesthesia and Intensive Care Medicine, Landspitali-The National University Hospital of Iceland, Iceland
| | - Marius Rehn
- Division of Prehospital Services, Air Ambulance Department, Oslo University Hospital, Oslo, Norway
- The Norwegian Air Ambulance Foundation, Oslo, Norway
- Faculty of Health Sciences, University of Stavanger, Stavanger, Norway
| | - Michelle S Chew
- Department of Anaesthesia and Intensive Care, Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | | | - Kimberley Lewis
- Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Canada
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
| | - Faisal A Al-Suwaidan
- Division of Neurology, Department of Medicine, Security Forces Hospital, Riyadh, Saudi Arabia
- Neurology Clinical Lead, Ministry of Health, Saudi Arabia
- College of Medicine, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
- College of Medicine, Dar Al-Uloom University, Riyadh, Saudi Arabia
| | - Hasan M Al-Dorzi
- Intensive Care Department, Ministry of National Guard Health Affairs, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abdulrahman Al-Fares
- Department of Anesthesia, Critical Care Medicine and Pain Medicine, Al-Amiri Hospital, Minister of Health, Kuwait City, Kuwait
- Kuwait Extracorporeal Life Support Program, Al-Amiri Center for Advance Respiratory and Cardiac Failure, Ministry of Health, Kuwait City, Kuwait
| | - Naif Alsadoon
- Alshaya International Trading Company, Riyadh, Saudi Arabia
| | - Carolyn M Bell
- Medical University of South Carolina Hospital Authority, Charleston, SC
- Medical University of South Carolina College of Pharmacy, Charleston, SC
| | | | - Rachael Parke
- School of Nursing University of Auckland, New Zealand
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
| | - Sangeeta Mehta
- Dept. of Medicine, Mount Sinai Hospital; Interdepartmental Division of Intensive Care Medicine, Toronto, Canada
| | - Paul E Wischmeyer
- Deptartments of Anesthesiology and Surgery, Duke University School of Medicine, Durham, NC
| | - Awad Al-Omari
- Dr Sulaiman Al-Habib Medical Group, Critical Care Department, Riyadh, Saudi Arabia
| | - Klaus T Olkkola
- Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Waleed Alhazzani
- Guidelines in Intensive Care Medicine, Development and Evaluation (GUIDE) Group, The Research Institute of St. Joe's, Hamilton, Canada
- Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Canada
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
- Department of Critical Care, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- Scientific Research Center, Directorate General of Armed Forces Medical Services, Riyadh, Saudi Arabia
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O'Brien MC, Kelleran KJ, Burnett SJ, Hausrath KA, Kneer MS, Nan N, Ma CX, McCartin RW, Clemency BM. Fixed dose ketamine for prehospital management of hyperactive delirium with severe agitation. Am J Emerg Med 2024; 81:10-15. [PMID: 38626643 DOI: 10.1016/j.ajem.2024.04.011] [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: 11/24/2023] [Revised: 03/21/2024] [Accepted: 04/08/2024] [Indexed: 04/18/2024] Open
Abstract
INTRODUCTION Patients exhibiting signs of hyperactive delirium with severe agitation (HDSA) may require sedating medications for stabilization and safe transport to the hospital. Determining the patient's weight and calculating the correct weight-based dose may be challenging in an emergency. A fixed dose ketamine protocol is an alternative to the traditional weight-based administration, which may also reduce dosing errors. The objective of this study was to evaluate the frequency and characteristics of adverse events following pre-hospital ketamine administration for HDSA. METHODS Emergency Medical Services (EMS) records from four agencies were searched for prehospital ketamine administration. Cases were included if a 250 mg dose of ketamine was administered on standing order to an adult patient for clinical signs consistent with HDSA. Protocols allowed for a second 250 mg dose of ketamine if the first dose was not effective. Both the 250 mg initial dose and the total prehospital dose were analyzed for weight based dosing and adverse events. RESULTS Review of 132 cases revealed 60 cases that met inclusion criteria. Patients' median weight was 80 kg (range: 50-176 kg). No patients were intubated by EMS, one only requiring suction, three required respiratory support via bag valve mask (BVM). Six (10%) patients were intubated in the emergency department (ED) including the three (5%) supported by EMS via BVM, three (5%) others who were sedated further in the ED prior to requiring intubation. All six patients who were intubated were discharged from the hospital with a Cerebral Performance Category (CPC) 1 score. The weight-based dosing equivalent for the 250 mg initial dose (OR: 2.62, CI: 0.67-10.22) and the total prehospital dose, inclusive of the 12 patients that were administered a second dose, (OR: 0.74, CI: 0.27, 2.03), were not associated with the need for intubation. CONCLUSION The 250 mg fixed dose of ketamine was not >5 mg/kg weight-based dose equivalent for all patients in this study. Although a second 250 mg dose of ketamine was permitted under standing orders, only 12 (20%) of the patients were administered a second dose, none experienced an adverse event. This indicates that the 250 mg initial dose was effective for 80% of the patients. Four patients with prehospital adverse events likely related to the administration of ketamine were found. One required suction, three (5%) requiring BVM respiratory support by EMS were subsequently intubated upon arrival in the ED. All 60 patients were discharged from the hospital alive. Further research is needed to determine an optimal single administration dose for ketamine in patients exhibiting signs of HDSA, if employing a standardized fixed dose medication protocol streamlines administration, and if the fixed dose medication reduces the occurrence of dosage errors.
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Affiliation(s)
- Michael C O'Brien
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.
| | - Kyle J Kelleran
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Susan J Burnett
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Kaylee A Hausrath
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Mary S Kneer
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Nan Nan
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, USA
| | - Chang-Xing Ma
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, USA
| | - Robert W McCartin
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Brian M Clemency
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
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Thiessen MEW, Godwin SA, Hatten BW, Whittle JA, Haukoos JS, Diercks DB, Diercks DB, Wolf SJ, Anderson JD, Byyny R, Carpenter CR, Friedman B, Gemme SR, Gerardo CJ, Godwin SA, Hahn SA, Hatten BW, Haukoos JS, Kaji A, Kwok H, Lo BM, Mace SE, Moran M, Promes SB, Shah KH, Shih RD, Silvers SM, Slivinski A, Smith MD, Thiessen MEW, Tomaszewski CA, Valente JH, Wall SP, Westafer LM, Yu Y, Cantrill SV, Finnell JT, Schulz T, Vandertulip K. Clinical Policy: Critical Issues in the Evaluation and Management of Adult Out-of-Hospital or Emergency Department Patients Presenting With Severe Agitation: Approved by the ACEP Board of Directors, October 6, 2023. Ann Emerg Med 2024; 83:e1-e30. [PMID: 38105109 DOI: 10.1016/j.annemergmed.2023.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
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de Boer HH, Fronczek J, Archer MS. Scrutinizing the causal link between excited delirium syndrome and restraint: a commentary on 'The role of restraint in fatal excited delirium: a research synthesis and pooled analysis' by E.M.F. Strömmer, W. Leith, M.P. Zeegers, and M.D. Freeman. Forensic Sci Med Pathol 2023; 19:613-616. [PMID: 36792884 PMCID: PMC10752912 DOI: 10.1007/s12024-023-00589-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2023] [Indexed: 02/17/2023]
Affiliation(s)
- Hans H de Boer
- Victorian Insitute of Forensic Medicine / Dept. of Forensic Medicine of Monash University, 65 Kavanagh Street, Southbank, VIC, 3006, Australia.
| | - Judith Fronczek
- Victorian Insitute of Forensic Medicine / Dept. of Forensic Medicine of Monash University, 65 Kavanagh Street, Southbank, VIC, 3006, Australia
| | - Melanie S Archer
- Victorian Insitute of Forensic Medicine / Dept. of Forensic Medicine of Monash University, 65 Kavanagh Street, Southbank, VIC, 3006, Australia
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Evanoff AB, Baig M, Taylor JB, Beach SR. Ketamine: A Practical Review for the Consultation-Liaison Psychiatrist. J Acad Consult Liaison Psychiatry 2023; 64:521-532. [PMID: 37301324 DOI: 10.1016/j.jaclp.2023.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 04/15/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND Ketamine is a noncompetitive N-methyl-D-aspartate-receptor antagonist often used for sedation and management of acute agitation in general hospital settings. Many hospitals now include ketamine as part of their standard agitation protocol, and consultation-liaison psychiatrists frequently find themselves treating patients who have received ketamine, despite lack of clear recommendations for management. OBJECTIVE Conduct a nonsystematic narrative review regarding the use of ketamine for agitation and continuous sedation, including benefits and adverse psychiatric effects. Compare ketamine to more traditional agents of agitation control. Provide consultation-liaison psychiatrists with a summary of available knowledge and recommendations for managing patients receiving ketamine. METHODS A literature review was performed using PubMed, querying published articles from inception to March 2023 for articles related to use of ketamine for agitation or continuous sedation and side effects including psychosis and catatonia. RESULTS A total of 37 articles were included. Ketamine was found to have multiple benefits, including shorter time to adequate sedation for agitated patients when compared to haloperidol ± benzodiazepines and unique advantages for continuous sedation. However, ketamine carries significant medical risks including high rates of intubation. Ketamine appears to induce a syndrome that mimics schizophrenia in healthy controls, and such effects are more pronounced and longer-lasting in patients with schizophrenia. Evidence regarding rates of delirium with ketamine for continuous sedation is mixed and requires further investigation before the agent is widely adopted for this purpose. Finally, the diagnosis of "excited delirium syndrome" and use of ketamine to treat this controversial syndrome warrants critical evaluation. CONCLUSIONS Ketamine carries many potential benefits and can be an appropriate medication for patients with profound undifferentiated agitation. However, intubation rates remain high, and ketamine may worsen underlying psychotic disorders. It is essential that consultation-liaison psychiatrists understand the advantages, disadvantages, biased administration, and areas of limited knowledge regarding ketamine.
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Affiliation(s)
- Anastasia B Evanoff
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA; Department of Psychiatry, McLean Hospital, Belmont, MA.
| | - Mirza Baig
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA; Department of Psychiatry, McLean Hospital, Belmont, MA
| | - John B Taylor
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA
| | - Scott R Beach
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA
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Sergot PB, Mead LB, Jones EB, Crowe RP, Huebinger RM. Association of Ketamine Dosing with Intubation and Other Adverse Events in Patients with Behavioral Emergencies. PREHOSP EMERG CARE 2023; 28:851-856. [PMID: 37418327 DOI: 10.1080/10903127.2023.2234491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/08/2023] [Accepted: 06/20/2023] [Indexed: 07/09/2023]
Abstract
OBJECTIVE Varying rates of complications have been reported for prehospital sedation with ketamine, and the relationship to dosing has not been studied on a large scale. We evaluated the association between prehospital ketamine dosing and rates of intubations and other adverse events in patients with behavioral emergencies. METHODS Using the 2018/2019 ESO public-use research datasets, we included all non-traumatic, adult behavioral and drug-related EMS encounters with ketamine administration. Based on consensus guidelines, we stratified patients into "above" and "at/below" the maximum dosing for sedation (2 mg/kg IV/IO or 5 mg/kg IM) using the highest single dose of ketamine given. We created propensity scores for matched subjects using 1:1 propensity score matching. Using logistic regression, we compared rates of intubation and other airway interventions, antipsychotic coadministration, improvement reported by EMS, hypoxia, hypotension, and cardiac arrest between the two groups. RESULTS We included 2383 patients: 478 in the above and 1905 in the at/below dose group. Above-dose ketamine was associated with a higher rate of intubation or supraglottic airway placement (6.4% v 3.3%, OR 2.0, 95% CI 1.00-3.90). Other airway interventions were similar (40.0% v 40.0%, OR 1, 95% CI 0.80-1.30). The above-dose group also showed a higher rate of improvement noted by EMS clinicians (92.5% v 88.7%, OR 1.6, 95% CI 1.01-2.40). The rates of antipsychotic coadministration, hypoxia, hypotension, and cardiac arrest were similar between the cohorts. CONCLUSIONS Patients given ketamine doses above consensus recommendations for sedation appeared more likely to receive prehospital intubation but not more likely to experience other adverse events.
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Affiliation(s)
- Paulina B Sergot
- Department of Emergency Medicine, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Loren B Mead
- Department of Emergency Medicine, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Elizabeth B Jones
- Department of Emergency Medicine, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Remle P Crowe
- ESO, Inc, McGovern Medical School at UTHealth Houston, Austin, Texas
| | - Ryan M Huebinger
- Department of Emergency Medicine, The University of Texas Health Science Center at Houston, Houston, Texas
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10
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Evers G, Mohr M, Sprakel L, Galonska J, Görlich D, Schulze AB. Bronchoscopist-Directed Continuous Flow Propofol Based Analgosedation during Flexible Interventional Bronchoscopy and EBUS. J Clin Med 2023; 12:4223. [PMID: 37445256 DOI: 10.3390/jcm12134223] [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: 05/03/2023] [Revised: 06/07/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Sedation techniques in interventional flexible bronchoscopy and endobronchial ultrasound-guided transbronchial-needle aspiration (EBUS-TBNA) are inconsistent and the evidence for required general anesthesia under full anesthesiologic involvement is scarce. Moreover, we faced the challenge of providing bronchoscopic care with limited personnel. Hence, we retrospectively identified 513 patients that underwent flexible interventional bronchoscopy and/or EBUS-TBNA out of our institution between January 2020 and August 2022 to evaluate our deep analgosedation approach based on pethidine/meperidine bolus plus continuous flow adjusted propofol, the bronchoscopist-directed continuous flow propofol based analgosedation (BDcfP) in a two-personnel setting. Consequently, 502 out of 513 patients received BDcfP for analgosedation. We identified cardiovascular comorbidities, chronic obstructive pulmonary disease, and arterial hypertension as risk factors for periprocedural hypotension. Propofol flow rate did not correlate with hypotension. Theodrenaline and cafedrine might be used to treat periprocedural hypotension. Moreover, midazolam might be used to support the sedative effect. In conclusion, BDcfP is a safe and feasible sedative approach during interventional flexible bronchoscopy and EBUS-TBNA. In general, after the implementation of safety measures, EBUS-TBNA and interventional flexible bronchoscopy via BDcfP might safely be performed even with limited personnel.
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Affiliation(s)
- Georg Evers
- Department of Medicine A, Hematology, Oncology and Pulmonary Medicine, University Hospital Münster, 48149 Münster, Germany
| | - Michael Mohr
- Department of Medicine A, Hematology, Oncology and Pulmonary Medicine, University Hospital Münster, 48149 Münster, Germany
| | - Lena Sprakel
- Department of Medicine A, Hematology, Oncology and Pulmonary Medicine, University Hospital Münster, 48149 Münster, Germany
| | - Jule Galonska
- Department of Medicine A, Hematology, Oncology and Pulmonary Medicine, University Hospital Münster, 48149 Münster, Germany
| | - Dennis Görlich
- Institute of Biostatistics and Clinical Research, Westfälische Wilhelms-University Münster, 48149 Münster, Germany
| | - Arik Bernard Schulze
- Department of Medicine A, Hematology, Oncology and Pulmonary Medicine, University Hospital Münster, 48149 Münster, Germany
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11
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Krenz JR, Medeiros K, Lupez K. Retrospective evaluation of ketamine versus droperidol on time to restraint removal in agitated emergency department patients. Am J Emerg Med 2023; 69:23-27. [PMID: 37031618 DOI: 10.1016/j.ajem.2023.03.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
PURPOSE Acute agitation and violent behavior in the emergency department (ED) can lead to significant patient morbidity and contribute to the growing problem of workplace violence against health care providers. To our knowledge, there is no available literature directly comparing intramuscular ketamine to intramuscular droperidol in ED patients presenting with undifferentiated agitation. The purpose of this investigation was to compare the effectiveness and safety of these agents for acute agitation in the ED. METHODS This was a retrospective observational study conducted at an urban, academic ED. The primary endpoint was time from the first dose of study medication to restraint removal. Safety endpoints included incidence of bradycardia (heart rate < 60 bpm), hypotension (systolic blood pressure < 90 mmHg), hypoxia (oxygen saturation < 90% or need for respiratory support), and incidence of intubation for ongoing agitation or respiratory failure. RESULTS An initial 189 patients were screened, of which, 92 met inclusion criteria. The median time from initial drug administration to restraint removal was 49 min (IQR 30, 168) in the ketamine group and 43 min (IQR 30, 80) in the droperidol group (Median difference 6 min; 95% CI [-7, 26]). There was no significant difference in rates of bradycardia (3% vs 3%, 95% CI [-7%, 8%]), hypotension (0% vs 2%, 95% CI [-5%, 2%]), or hypoxia (7% vs 10%, 95% CI [-15%, 9%]) in the ketamine versus droperidol groups respectively. One patient in the ketamine group was intubated for ongoing agitation, and one patient in the droperidol group was intubated for respiratory failure. CONCLUSIONS Intramuscular droperidol and intramuscular ketamine were associated with similar times from drug administration to restraint removal in patients presenting to the ED with undifferentiated agitation. Prospective studies are warranted to evaluate IM droperidol and IM ketamine head-to-head as first line agents for acute agitation in the ED.
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12
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Kunzler NM, Cole JB, Driver BE, Carlson J, April M, Brown CA. Risk of peri-intubation adverse events during emergency department intubation of overdose patients: a national emergency airway registry (near) analysis. Clin Toxicol (Phila) 2022; 60:1293-1298. [PMID: 36346031 DOI: 10.1080/15563650.2022.2131564] [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: 11/10/2022]
Abstract
BACKGROUND More than 20,000 emergency department (ED) patients undergo intubation for overdose each year. While the characteristics of patients intubated for overdose and poisoning are well described, little is known about the intubation outcomes of overdose patients in the ED. OBJECTIVES We quantify the frequency of peri-intubation adverse events for patients intubated in the ED for overdose, and determine whether first attempt success without adverse events differs between patients intubated for overdose and patients intubated for other reasons. METHODS We analyzed data from the National Emergency Airway Registry (NEAR), a prospective multicenter registry of ED intubations collected from an international network of 22 academic and community hospitals. We included patients 14 years and older whose first attempt was oral intubation, with data entered into NEAR between 1 January 2016 and 31 December 2018. The primary outcome was successful intubation on the first attempt. We used multivariable logistic regression to determine whether indication was independently associated with successful intubation on the first attempt after adjusting for age, gender, obesity, initial impression of difficult airway, presence of difficult airway characteristics, and use of video laryngoscopy. Secondary outcomes included successful intubation on the first attempt without adverse events, the occurrence of rescue surgical airways, and the occurrence of adverse events. Adverse events included hypoxemia, hypotension, peri-intubation cardiac arrest, bradycardia, mechanical injury to oral or airway structures, vomiting, tachydysrhythmia, esophageal intubation, laryngospasm, and pneumothorax. RESULTS We analyzed 17,984 patients, including 1,983 (11%) intubated for overdose, and 16,001 (89%) intubated for other indications. Patients intubated for overdose were younger (median age 38 vs 55 years), were less frequently obese (26% vs 34%), and fewer had difficult airway characteristics (38% vs 53%). Overdose patients were more likely to have preoxygenation performed (45% vs 35%), more likely to have apenic oxygenation (39% vs 31%), and more likely to have bougie used (33% vs 17%). First attempt success was 90.5% in patients intubated for overdose and 87.5% in patients intubated for other reasons (absolute difference 3.0%; 95% CI: -1.3 to 7.3). First attempt success without adverse events was higher in overdose patients (85.0%) compared to other patients (78.7%) (absolute difference, 6.3%; 95% CI 1.0 to 11.7%). Overdose patients experienced significantly less hypotension (1.5% vs 4.1%), and tended to have fewer adverse events overall. Multivariable model results were consistent with the unadjusted results including no difference in first pass success (adjusted odd ratio 1.02 [95% CI 0.86-1.23]). There was a higher first pass success without complication in patients intubated for overdose (adjusted odds ratio 1.23; 95% CI 1.07 to1.43). CONCLUSION For patients in whom the primary indication for intubation is overdose there is an increased chance of first attempt success without adverse event.
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Affiliation(s)
- Nathan M Kunzler
- Department of Emergency Medicine, Hennepin Healthcare, Minneapolis, MN, USA
| | - Jon B Cole
- Department of Emergency Medicine, Hennepin Healthcare, Minneapolis, MN, USA
| | - Brian E Driver
- Department of Emergency Medicine, Hennepin Healthcare, Minneapolis, MN, USA
| | - Jestin Carlson
- Department of Emergency Medicine, Allegheny Health Network, Erie, PA, USA
| | - Michael April
- Department of Military and Emergency Medicine, Uniformed Services University of The Health Sciences (USUHS), Bethesda, MD, USA
| | - Calvin A Brown
- Department of Emergency Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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13
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Brown N, Edwards T, McIntyre I, Faulkner M. A retrospective cohort study of pre-hospital agitation management by advanced paramedic practitioners in critical care. Br Paramed J 2022; 7:8-14. [DOI: 10.29045/14784726.2022.12.7.3.8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Introduction: Pre-hospital clinicians can expect to encounter patients with agitation, including acute behavioural disturbance (ABD). These situations carry significant risk for patients and emergency medical services. Advanced paramedics within the London Ambulance Service (LAS)
are frequently tasked to these incidents. At present, little evidence exists regarding clinical decision-making and management of this patient group. We sought to explore the demographics of patients presenting with potential ABD and quantify the degree of agitation, physical restraint, effectiveness
of chemical sedation and any associated complications.Methods: A retrospective analysis of pre-hospital clinical records for patients coded with ABD and attended by LAS advanced paramedics between 1 October 2019 and 30 September 2020. Sedation assessment tool (SAT) scores were used
as the primary outcome measure.Results: A total of 237 patient records were identified. Of the patients, 147 (62%) were physically restrained and 104 (44%) were chemically sedated. Sedation was more commonly administered where patients were exposed to physical restraint. High SAT
scores were associated with the administration of sedative agents and at higher doses. Of patients undergoing sedation, 89 (85%) had a SAT score reduction of 2 points or a final score ≤ 0. The mean SAT score reduction was 2.72. Three cases of minor injury were reported following physical
restraint.Conclusion: Advanced paramedics undertook sedation in less than half the cohort, suggesting that other strategies such as communication and positioning were utilised. Most patients were managed into a state between being restless and rousable, largely negating the need
for ongoing physical restraint during hospital transfer. Appropriately trained advanced paramedics can utilise sedation safely and effectively in selected cases.
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14
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Lipscombe C, Akhlaghi H, Groombridge C, Bernard S, Smith K, Olaussen A. Intubation Rates following Prehospital Administration of Ketamine for Acute Agitation: A Systematic Review and Meta-Analysis. PREHOSP EMERG CARE 2022; 27:1016-1030. [PMID: 35913093 DOI: 10.1080/10903127.2022.2108178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/27/2022] [Indexed: 10/16/2022]
Abstract
BACKGROUND Ketamine is a fast-acting, dissociative anesthetic with a favorable adverse effect profile that is effective for managing acute agitation as a chemical restraint in the prehospital and emergency department (ED) settings. However, some previously published individual studies have reported high intubation rates when ketamine was administered prehospitally. OBJECTIVE This systematic review aims to determine the rate and settings in which intubation following prehospital administration of ketamine for agitation is occurring, as well as associated indications and adverse events. METHODS We searched PubMed, Scopus, Ovid MEDLINE, Embase, CINAHL Plus, PsycINFO, the Cochrane Library, ClinicalTrials.gov, OpenGrey, Open Access Theses and Dissertation, and Google Scholar from the earliest possible date until 13/February/2022. Inclusion criteria required studies to describe agitated patients who received ketamine in the prehospital setting as a first-line drug to control acute agitation. Reference lists of appraised studies were screened for additional relevant articles. Study quality was assessed using the Newcastle-Ottawa quality assessment scale. Synthesis of results was completed via meta-analysis, and the GRADE tool was used for certainty assessment. RESULTS The search yielded 1466 unique records and abstracts, of which 50 full texts were reviewed, resulting in 18 being included in the analysis. All studies were observational in nature and 15 were from USA. There were 3476 patients in total, and the overall rate of intubation was 16% (95% confidence interval [CI] = 8%-26%). Most intubations occurred in the ED. Within the studies, the prehospital intubation rate ranged from 0% to 7.9% and the ED intubation rate ranged from 0 to 60%. The overall pooled prehospital intubation rate was 1% (95% CI = 0%-2%). The overall pooled ED intubation rate was 19% (95% CI = 11%-30%). The most common indications for intubation were for airway protection and respiratory depression/failure. CONCLUSIONS There is wide variation in intubation rates between and within studies. The majority of intubations performed following prehospital administration of ketamine for agitation took place in the ED.
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Affiliation(s)
- Carlos Lipscombe
- Department of Paramedicine, Monash University, Melbourne, Victoria, Australia
| | - Hamed Akhlaghi
- Emergency Department, St Vincent's Hospital, Melbourne, Victoria, Australia
- Faculty of Medicine, University of Melbourne, Melbourne, Victoria, Australia
- Department of Psychology, Faculty of Health, Deakin University, Geelong, Australia
| | - Christopher Groombridge
- National Trauma Research Institute, The Alfred Hospital, Melbourne, Victoria, Australia
- Emergency & Trauma Centre, The Alfred Hospital, Melbourne, Australia
- Central Clinical School, Monash University, Melbourne, Australia
| | - Stephen Bernard
- Centre for Research and Evaluation, Victoria, Australia
- Department of Epidemiology and Preventive Medicine, Monash University, Clayton, Victoria, Australia
- Intensive Care Unit, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Karen Smith
- Department of Paramedicine, Monash University, Melbourne, Victoria, Australia
- Centre for Research and Evaluation, Victoria, Australia
- Department of Epidemiology and Preventive Medicine, Monash University, Clayton, Victoria, Australia
| | - Alexander Olaussen
- Department of Paramedicine, Monash University, Melbourne, Victoria, Australia
- National Trauma Research Institute, The Alfred Hospital, Melbourne, Victoria, Australia
- Centre for Research and Evaluation, Victoria, Australia
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15
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Corwell BN, Motov SM, Davis N, Kim HK. Novel uses of ketamine in the emergency department. Expert Opin Drug Saf 2022; 21:1009-1025. [PMID: 35822534 DOI: 10.1080/14740338.2022.2100883] [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] [Indexed: 11/04/2022]
Abstract
INTRODUCTION : Ketamine is gaining renewed interest among healthcare providers due to its novel clinical applications in the emergency department (ED) setting. AREAS COVERED : This article provides a comprehensive discussion of ketamine's pharmacological properties, including safety profile and adverse effects, in addition to an overview of current evidence for ketamine (racemic formulation) in the management of ED patients with acute agitation, pain, and depression/suicide ideation. EXPERT OPINION : Ketamine is an effective adjunct to opioids, providing greater pain relief than morphine alone. As an analgesic agent, administration of ketamine (0.1-0.3 mg/kg IV) alone can provide analgesia similar to that of morphine in patients with acute visceral and musculoskeletal pain. Moreover, ketamine provides equal analgesic efficacy to morphine in a variety of chronic painful conditions including pain associated with cancer, vaso-occlusive pain crisis associated with sickle cell disease, and in patients with high opioid tolerance and/or opioid dependency. Available literature shows that ketamine (1-2mg/kg IV or 4-5 mg/kg IM) is a safe, rapid (<5 minutes) and effective tranquilization agent for ED patients with acute agitation. Finally, there is growing evidence that suggests ketamine may have a potential utility in the management of patients with self-harm ideation or acute depressive episodes. Intravenous infusion of ketamine (0.5 mg/kg over 40 mins) has been shown to produce an antidepressant effect and decrease in suicidal ideation within 4 hours with effects lasting up to one week.
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Affiliation(s)
- Brian N Corwell
- Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD
| | - Sergey M Motov
- Department of Emergency Medicine, Maimonides Medical Center, Brooklyn, NY
| | - Natalie Davis
- Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD
| | - Hong K Kim
- Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD
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16
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The Management of Agitated Toxidromes. Emerg Med Clin North Am 2022; 40:223-235. [DOI: 10.1016/j.emc.2022.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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17
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Casamento A, Niccol T. Efficacy and safety of ketamine in mechanically ventilated intensive care unit patients: a scoping review. CRIT CARE RESUSC 2022; 24:71-82. [PMID: 38046843 PMCID: PMC10692604 DOI: 10.51893/2022.1.oa9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objectives: Mechanically ventilated patients account for about one-third of all admissions to the intensive care unit (ICU). Ketamine has been conditionally recommended to aid with analgesia in such patients, with low quality of evidence available to support this recommendation. We aimed to perform a narrative scoping review of the current knowledge of the use of ketamine, with a specific focus on mechanically ventilated ICU patients. Methods: We searched MEDLINE and EMBASE for relevant articles. Bibliographies of retrieved articles were examined for references of potential relevance. We included studies that described the use of ketamine for postoperative and emergency department management of pain and in the critically unwell, mechanically ventilated population. Results: There are few randomised controlled trials evaluating ketamine's utility in the ICU. The evidence is predominantly retrospective and observational in nature and the results are heterogeneous. Available evidence is summarised in a descriptive manner, with a division made between high dose and low dose ketamine. Ketamine's pharmacology and use as an analgesic agent outside of the ICU is briefly discussed, followed by evidence for use in the ICU setting, with particular emphasis on analgesia, sedation and intubation. Finally, data on adverse effects including delirium, coma, haemodynamic adverse effects, raised intracranial pressure, hypersalivation and laryngospasm are presented. Conclusions: Ketamine is used in mechanically ventilated ICU patients with several potentially positive clinical effects. However, it has a significant side effect profile, which may limit its use in these patients. The role of low dose ketamine infusion in mechanically ventilated ICU patients is not well studied and requires investigation in high quality, prospective randomised trials.
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Affiliation(s)
- Andrew Casamento
- Intensive Care Unit, Austin Health, Melbourne, VIC, Australia
- Intensive Care Unit, Northern Hospital, Melbourne, VIC, Australia
- Department of Critical Care, University of Melbourne, Melbourne, VIC, Australia
| | - Thomas Niccol
- Intensive Care Unit, Austin Health, Melbourne, VIC, Australia
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18
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deSouza IS, Thode HC, Shrestha P, Allen R, Koos J, Singer AJ. Rapid tranquilization of the agitated patient in the emergency department: A systematic review and network meta-analysis. Am J Emerg Med 2021; 51:363-373. [PMID: 34823192 DOI: 10.1016/j.ajem.2021.11.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/29/2021] [Accepted: 11/04/2021] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND Safe and effective tranquilization of the acutely agitated patient is challenging, and head-to-head comparisons of medications are limited. We aimed to identify the most optimal agent(s) for rapid tranquilization of the severely agitated patient in the emergency department (ED). METHODS The protocol for systematic review was registered (PROSPERO; CRD42020212534). We searched MEDLINE, Embase, PsycINFO, and Cochrane Database/CENTRAL from inception to June 2, 2021. We limited studies to randomized controlled trials that enrolled adult ED patients with severe agitation and compared drugs for rapid tranquilization. Predetermined outcomes were: 1) Adequate sedation within 30 min (effectiveness), 2) Immediate, serious adverse event - cardiac arrest, ventricular tachydysrhythmia, endotracheal intubation, laryngospasm, hypoxemia, hypotension (safety), and 3) Time to adequate sedation (effect onset). We extracted data according to PRISMA-NMA and appraised trials using Cochrane RoB 2 tool. We performed Bayesian network meta-analysis (NMA) using a Markov Chain Monte Carlo method with random-effects model and vague prior distribution to calculate odds ratios with 95% credible intervals for dichotomous outcomes and frequentist NMA to calculate mean differences with 95% confidence intervals for continuous outcomes. We assessed confidence in results using CINeMA. We used surface under the cumulative ranking (SUCRA) curves to rank agent(s) for each outcome. RESULTS Eleven studies provided data for effectiveness (1142 patients) and safety (1147 patients). Data was insufficient for effect onset. The NMA found that ketamine (SUCRA = 93.0%) is most likely to have superior effectiveness; droperidol-midazolam (SUCRA = 78.8%) is most likely to be safest. There are concerns with study quality and imprecision. Quality of the point estimates varied for effectiveness but mostly rated "very low" for safety. CONCLUSIONS Available evidence suggests that ketamine and droperidol have intermediate effectiveness for rapid tranquilization of the severely agitated patient in the ED. There is insufficient evidence to definitively determine which agent(s) may be safest or fastest-acting. Further, direct-comparison study of ketamine and droperidol is recommended.
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Affiliation(s)
- Ian S deSouza
- Department of Emergency Medicine, SUNY Downstate Health Sciences University and Kings County Hospital Center, Brooklyn, NY, USA.
| | - Henry C Thode
- Department of Emergency Medicine, Stony Brook University, NY, USA.
| | - Pragati Shrestha
- Department of Emergency Medicine, Stony Brook University, NY, USA.
| | - Robert Allen
- Department of Emergency Medicine, SUNY Downstate Health Sciences University and Kings County Hospital Center, Brooklyn, NY, USA.
| | - Jessica Koos
- Department of Emergency Medicine, Stony Brook University, NY, USA.
| | - Adam J Singer
- Department of Emergency Medicine, Stony Brook University, NY, USA.
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19
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Hadian M, Jabbari A, Sheikhbardsiri H. Workplace violence and influencing factors among paramedic pre hospital paramedic personnel (city and road) in Iran: a quality content analysis. BMC Emerg Med 2021; 21:124. [PMID: 34715782 PMCID: PMC8555860 DOI: 10.1186/s12873-021-00520-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 10/21/2021] [Indexed: 11/30/2022] Open
Abstract
Background The goal of every emergency department is to provide the highest quality services in the shortest time using limited resources. However, occupational violence is so prevalent among pre-hospital paramedic personnel that some experts claim that it is impossible to find pre-hospital personnel without an experience of violence in the workplace. Therefore, it seems necessary to investigate the causes of violence among this population group and find ways to control it. Aim The present study aimed to investigate the Violence and influencing factors among paramedic pre-hospital personnel. Method This qualitative study was conducted to explore the views of a group of pre-hospital paramedic personnel (n = 45) selected through purposive sampling. The data was collected through in-depth and semi-structured interviews and analyzed using Graneheim and Lundman’s conventional content analysis methods. The trial version of MAXQDA 16 software was used to manage the coding process. Results Based on the results of the analysis of data collected from prehospital paramedic personnel, three main categories including: human factors, organizational factors, and environmental factors and 20 subcategories were detected. Conclusion If authorities neglect violence in the workplace and do not take serious actions to prevent it, violence and, more importantly, “hostility” will gradually prevail in the workplace. It also increases the stress and anxiety of staff and consequently severely deteriorates their job performance. Hence, authorities are strongly recommended not to ignore this issue and, instead, take measures, for instance hold workshops, to train personnel about the techniques of anger and violence control.
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Affiliation(s)
- Marziye Hadian
- Health Services Management, Health Management and Economics Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Jabbari
- Health Services Management, Health Management and Economics Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hojjat Sheikhbardsiri
- Health in Disasters and Emergencies Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran.
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20
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Coffey SK, Vakkalanka JP, Egan H, Wallace K, Harland KK, Mohr NM, Ahmed A. Outcomes Associated with Lower Doses of Ketamine by Emergency Medical Services for Profound Agitation. West J Emerg Med 2021; 22:1183-1189. [PMID: 34546896 PMCID: PMC8463066 DOI: 10.5811/westjem.2021.5.50845] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 05/25/2021] [Indexed: 11/26/2022] Open
Abstract
Introduction Ketamine is commonly used to treat profound agitation in the prehospital setting. Early in ketamine’s prehospital use, intubation after arrival in the emergency department (ED) was frequent. We sought to measure the frequency of ED intubation at a Midwest academic medical center after prehospital ketamine use for profound agitation, hypothesizing that intubation has become less frequent as prehospital ketamine has become more common and prehospital dosing has improved. Methods We conducted a retrospective cohort study of adult patients receiving ketamine in the prehospital setting for profound agitation and transported to a midwestern, 60,000-visit, Level 1 trauma center between January 1, 2017–March 1, 2021. We report descriptive analyses of patient-level prehospital clinical data and ED outcomes. The primary outcome was proportion of patients intubated in the ED. Results A total of 78 patients received ketamine in the prehospital setting (69% male, mean age 36 years). Of the 42 (54%) admitted patients, 15 (36% of admissions) were admissions to the intensive care unit. Overall, 12% (95% confidence interval [CI]), 4.5–18.6%)] of patients were intubated, and indications included agitation (n = 4), airway protection not otherwise specified (n = 4), and respiratory failure (n = 1). Conclusion Endotracheal intubation in the ED after prehospital ketamine use for profound agitation in our study sample was found to be less than previously reported.
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Affiliation(s)
- Shaila K Coffey
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa
| | - J Priyanka Vakkalanka
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa.,University of Iowa Carver College of Public Health, Department of Epidemiology, Iowa City, Iowa
| | - Haley Egan
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa
| | - Kelli Wallace
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa
| | - Karisa K Harland
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa.,University of Iowa Carver College of Public Health, Department of Epidemiology, Iowa City, Iowa
| | - Nicholas M Mohr
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa.,University of Iowa Carver College of Public Health, Department of Epidemiology, Iowa City, Iowa.,University of Iowa Carver College of Medicine, Department of Anesthesia, Iowa City, Iowa
| | - Azeemuddin Ahmed
- University of Iowa Carver College of Medicine, Department of Emergency Medicine, Iowa City, Iowa.,University of Iowa Tippie College of Business, Iowa City, Iowa
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Fernandez AR, Bourn SS, Crowe RP, Bronsky ES, Scheppke KA, Antevy P, Myers JB. Out-of-Hospital Ketamine: Indications for Use, Patient Outcomes, and Associated Mortality. Ann Emerg Med 2021; 78:123-131. [PMID: 34112540 DOI: 10.1016/j.annemergmed.2021.02.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 01/08/2023]
Abstract
STUDY OBJECTIVE To describe out-of-hospital ketamine use, patient outcomes, and the potential contribution of ketamine to patient death. METHODS We retrospectively evaluated consecutive occurrences of out-of-hospital ketamine administration from January 1, 2019 to December 31, 2019 reported to the national ESO Data Collaborative (Austin, TX), a consortium of 1,322 emergency medical service agencies distributed throughout the United States. We descriptively assessed indications for ketamine administration, dosing, route, transport disposition, hypoxia, hypercapnia, and mortality. We reviewed cases involving patient death to determine whether ketamine could be excluded as a potential contributing factor. RESULTS Indications for out-of-hospital ketamine administrations in our 11,291 patients were trauma/pain (49%; n=5,575), altered mental status/behavioral indications (34%; n=3,795), cardiovascular/pulmonary indications (13%; n=1,454), seizure (2%; n=248), and other (2%; n=219). The highest median dose was for altered mental status/behavioral indications at 3.7 mg/kg (interquartile range, 2.2 to 4.4 mg/kg). Over 99% of patients (n=11,274) were transported to a hospital. Following ketamine administration, hypoxia and hypercapnia were documented in 8.4% (n=897) and 17.2% (n=1,311) of patients, respectively. Eight on-scene and 120 in-hospital deaths were reviewed. Ketamine could not be excluded as a contributing factor in 2 on-scene deaths, representing 0.02% (95% confidence interval 0.00% to 0.07%) of those who received out-of-hospital ketamine. Among those with in-hospital data, ketamine could not be excluded as a contributing factor in 6 deaths (0.3%; 95% confidence interval 0.1% to 0.7%). CONCLUSION In this large sample, out-of-hospital ketamine was administered for a variety of indications. Patient mortality was rare. Ketamine could not be ruled out as a contributing factor in 8 deaths, representing 0.07% of those who received ketamine.
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Affiliation(s)
- Antonio R Fernandez
- ESO, Inc, Austin, TX; Department of Emergency Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC.
| | | | | | - E Stein Bronsky
- Colorado Springs Fire Department, Colorado Springs, CO; El Paso County American Medical Response, Colorado Springs, CO; Plains to Peaks Regional Emergency Trauma Advisory Council, Colorado Springs, CO; El Paso-Teller County 911 Authority, Colorado Springs, CO
| | - Kenneth A Scheppke
- Florida Department of Health, Tallahassee, FL; Palm Beach County Fire Rescue, West Palm Beach, FL
| | - Peter Antevy
- Davie Fire and Rescue, Davie, FL; Coral Springs Fire Department, Coral Springs, FL; Southwest Ranches Fire Rescue, Southwest Ranches, FL
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Acquisto NM, Slocum GW, Bilhimer MH, Awad NI, Justice SB, Kelly GF, Makhoul T, Patanwala AE, Peksa GD, Porter B, Truoccolo DMS, Treu CN, Weant KA, Thomas MC. Key articles and guidelines for the emergency medicine clinical pharmacist: 2011-2018 update. Am J Health Syst Pharm 2021; 77:1284-1335. [PMID: 32766731 DOI: 10.1093/ajhp/zxaa178] [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: 11/13/2022] Open
Abstract
PURPOSE To summarize recently published research reports and practice guidelines on emergency medicine (EM)-related pharmacotherapy. SUMMARY Our author group was composed of 14 EM pharmacists, who used a systematic process to determine main sections and topics for the update as well as pertinent literature for inclusion. Main sections and topics were determined using a modified Delphi method, author and peer reviewer groups were formed, and articles were selected based on a comprehensive literature review and several criteria for each author-reviewer pair. These criteria included the document "Oxford Centre for Evidence-based Medicine - Levels of Evidence (March 2009)" but also clinical implications, interest to reader, and belief that a publication was a "key article" for the practicing EM pharmacist. A total of 105 articles published from January 2011 through July 2018 were objectively selected for inclusion in this review. This was not intended as a complete representation of all available pertinent literature. The reviewed publications address the management of a wide variety of disease states and topic areas that are commonly found in the emergency department: analgesia and sedation, anticoagulation, cardiovascular emergencies, emergency preparedness, endocrine emergencies, infectious diseases, neurology, pharmacy services and patient safety, respiratory care, shock, substance abuse, toxicology, and trauma. CONCLUSION There are many important recent additions to the EM-related pharmacotherapy literature. As is evident with the surge of new studies, guidelines, and reviews in recent years, it is vital for the EM pharmacist to continue to stay current with advancing practice changes.
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Affiliation(s)
- Nicole M Acquisto
- Department of Pharmacy and Department of Emergency Medicine, University of Rochester Medical Center, Rochester, NY
| | - Giles W Slocum
- Department of Pharmacy, Rush University Medical Center, Chicago, IL
| | | | - Nadia I Awad
- Department of Pharmacy, Robert Wood Johnson University Hospital, New Brunswick, NJ
| | | | - Gregory F Kelly
- Department of Pharmacy, Hospital of the University of Pennsylvania, Philadelphia, PA
| | - Therese Makhoul
- Department of Pharmacy, Santa Rosa Memorial Hospital, Santa Rosa, CA
| | - Asad E Patanwala
- School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Gary D Peksa
- Department of Pharmacy, Rush University Medical Center, Chicago, IL
| | - Blake Porter
- Department of Pharmacy, University of Vermont Medical Center, Burlington, VT
| | | | - Cierra N Treu
- Department of Pharmacy, NewYork Presbyterian-Brooklyn Methodist Hospital, Brooklyn, NY
| | - Kyle A Weant
- Medical University of South Carolina College of Pharmacy, Medical University of South Carolina, Charleston, SC
| | - Michael C Thomas
- McWhorter School of Pharmacy, Samford University, Birmingham, AL
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Abstract
OBJECTIVES To assess the evidence and discuss the risks and clinical relevance of ketamine for the treatment of various disease states impacting the adult critically ill population. DATA SOURCES A literature review was performed using PubMed evaluating primary literature published until August 2018. STUDY SELECTION Case reports, observational studies (cohort, case-control), and randomized controlled trials involving patients 18 years and older in a nonperioperative setting using either IV or intramuscular ketamine were included for analysis. Uses of ketamine discussed focused on critically ill patients in the ICU and emergency department settings. DATA EXTRACTION Included studies were evaluated for dosing, outcomes, and adverse effects of ketamine. For each study, the design, population, intervention, investigated outcomes, and results were assessed. DATA SYNTHESIS The evidence was organized according to use of ketamine, which included pain, sedation, status asthmaticus, alcohol withdrawal syndrome, status epilepticus, and acute behavioral psychologic disturbances. Evaluation of the evidence was based on the included primary literature along with any related guideline recommendations. CONCLUSIONS Ketamine has suggested potential benefit in several disease states impacting critically ill patients including pain, alcohol withdrawal syndrome, status epilepticus, and acute agitation. Further supporting evidence is needed to validate its use in the setting of critical illness.
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Rosenthal ES, Elm JJ, Ingles J, Rogers AJ, Terndrup TE, Holsti M, Thomas DG, Babcock L, Okada PJ, Lipsky RH, Miller JB, Hickey RW, Barra ME, Bleck TP, Cloyd JC, Silbergleit R, Lowenstein DH, Coles LD, Kapur J, Shinnar S, Chamberlain JM. Early Neurologic Recovery, Practice Pattern Variation, and the Risk of Endotracheal Intubation Following Established Status Epilepticus. Neurology 2021; 96:e2372-e2386. [PMID: 34032604 PMCID: PMC8166444 DOI: 10.1212/wnl.0000000000011879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 02/08/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To quantify the association between early neurologic recovery, practice pattern variation, and endotracheal intubation during established status epilepticus, we performed a secondary analysis within the cohort of patients enrolled in the Established Status Epilepticus Treatment Trial (ESETT). METHODS We evaluated factors associated with the endpoint of endotracheal intubation occurring within 120 minutes of ESETT study drug initiation. We defined a blocked, stepwise multivariate regression, examining 4 phases during status epilepticus management: (1) baseline characteristics, (2) acute treatment, (3) 20-minute neurologic recovery, and (4) 60-minute recovery, including seizure cessation and improving responsiveness. RESULTS Of 478 patients, 117 (24.5%) were intubated within 120 minutes. Among high-enrolling sites, intubation rates ranged from 4% to 32% at pediatric sites and 19% to 39% at adult sites. Baseline characteristics, including seizure precipitant, benzodiazepine dosing, and admission vital signs, provided limited discrimination for predicting intubation (area under the curve [AUC] 0.63). However, treatment at sites with an intubation rate in the highest (vs lowest) quartile strongly predicted endotracheal intubation independently of other treatment variables (adjusted odds ratio [aOR] 8.12, 95% confidence interval [CI] 3.08-21.4, model AUC 0.70). Site-specific variation was the factor most strongly associated with endotracheal intubation after adjustment for 20-minute (aOR 23.4, 95% CI 6.99-78.3, model AUC 0.88) and 60-minute (aOR 14.7, 95% CI 3.20-67.5, model AUC 0.98) neurologic recovery. CONCLUSIONS Endotracheal intubation after established status epilepticus is strongly associated with site-specific practice pattern variation, independently of baseline characteristics, and early neurologic recovery and should not alone serve as a clinical trial endpoint in established status epilepticus. TRIAL REGISTRATION INFORMATION ClinicalTrials.gov Identifier: NCT01960075.
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Affiliation(s)
- Eric S Rosenthal
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC.
| | - Jordan J Elm
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - James Ingles
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Alexander J Rogers
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Thomas E Terndrup
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Maija Holsti
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Danny G Thomas
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Lynn Babcock
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Pamela J Okada
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Robert H Lipsky
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Joseph B Miller
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Robert W Hickey
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Megan E Barra
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Thomas P Bleck
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - James C Cloyd
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Robert Silbergleit
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Daniel H Lowenstein
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Lisa D Coles
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Jaideep Kapur
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - Shlomo Shinnar
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
| | - James M Chamberlain
- From the Division of Clinical Neurophysiology and Division of Neurocritical Care (E.S.R.), Department of Neurology, and Department of Pharmacy (M.E.B.), Massachusetts General Hospital, Boston; Department of Public Health Sciences (J.J.E., J.I.), Medical University of South Carolina, Charleston; Departments of Emergency Medicine (A.J.R., R.S.) and Pediatrics (A.J.R.), University of Michigan, Ann Arbor; Department of Emergency Medicine (T.E.T.), The Ohio State University Wexner Medical Center, Columbus; Division of Pediatric Emergency Medicine (M.H.), Department of Pediatrics, University of Utah, Salt Lake City; Department of Pediatrics (D.G.T.), Medical College of Wisconsin, Milwaukee; Division of Emergency Medicine (L.B.), Department of Pediatrics, University of Cincinnati, OH; Division of Pediatric Emergency Medicine (P.J.O.), Department of Pediatrics, UT Southwestern Medical Center, Dallas, TX; Department of Neurosciences (R.H.L.), Inova Health System, Falls Church, VA; Department of Emergency Medicine (J.B.M.), Henry Ford Hospital, Detroit, MI; Division of Pediatric Emergency Medicine (R.W.H.), Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, PA; Feinberg School of Medicine (T.P.B.), Northwestern University and Rush Medical College, Chicago, IL; Department of Experimental and Clinical Pharmacology (J.C.C., L.D.C.), College of Pharmacy and Center for Orphan Drug Research, University of Minnesota, Minneapolis; Department of Neurology (D.H.L.), University of California, San Francisco; Department of Neurology (J.K.), University of Virginia, Charlottesville; Montefiore Medical Center (S.S.), Albert Einstein College of Medicine, Bronx, NY; and Division of Emergency Medicine (J.M.C.), Children's National Medical Center, Washington, DC
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Martel ML, Driver BE, Miner JR, Biros MH, Cole JB. Randomized Double-blind Trial of Intramuscular Droperidol, Ziprasidone, and Lorazepam for Acute Undifferentiated Agitation in the Emergency Department. Acad Emerg Med 2021; 28:421-434. [PMID: 32888340 DOI: 10.1111/acem.14124] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/07/2020] [Accepted: 08/11/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND The optimal agent to treat acute agitation in the emergency department (ED) has not been determined. The objective of this study was to compare the effectiveness and safety of intramuscular droperidol, ziprasidone, and lorazepam for acute agitation in the ED. METHODS This was a randomized, double-blind trial of ED patients with acute agitation requiring parenteral sedation. The study was conducted under exception from informed consent (21 CFR 50.24) from July 2004 to March 2005. Patients were randomized to receive 5 mg of droperidol, 10 mg of ziprasidone, 20 mg of ziprasidone, or 2 mg of lorazepam intramuscularly. We recorded Altered Mental Status Scale (AMSS) scores, nasal end-tidal carbon dioxide (ETCO2 ), and pulse oximetry (SpO2 ) at 0, 15, 30, 45, 60, 90, and 120 minutes as well as QTc durations and dysrhythmias. Respiratory depression was defined as a change in ETCO2 consistent with respiratory depression or SpO2 < 90%. The primary outcome was the proportion of patients adequately sedated (AMSS ≤ 0) at 15 minutes. RESULTS We enrolled 115 patients. Baseline AMSS scores were similar between groups. For the primary outcome, adequate sedation at 15 minutes, droperidol administration was effective in 16 of 25 (64%) patients, compared to seven of 28 (25%) for 10 mg of ziprasidone, 11 of 31 (35%) for 20 mg of ziprasidone, and nine of 31 (29%) for lorazepam. Pairwise comparisons revealed that droperidol was more effective that the other medications, with 39% (95% confidence interval [CI] = 3% to 54%) more compared to 20 mg of ziprasidone and 33% (95% CI = 8% to 58%) more compared to lorazepam. There was no significant difference between groups in need of additional rescue sedation. Numerically, respiratory depression was lower with droperidol (3/25 [12%]) compared to 10 mg of ziprasidone (10/28 [36%]), 20 mg of ziprasidone (12/31 [39%]), or lorazepam (15/31 [48%]). One patient receiving 20 mg of ziprasidone required intubation to manage an acute subdural hematoma. No patients had ventricular dysrhythmias. QTc durations were similar in all groups. CONCLUSIONS Droperidol was more effective than lorazepam or either dose of ziprasidone for the treatment of acute agitation in the ED and caused fewer episodes of respiratory depression.
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Affiliation(s)
- Marc L. Martel
- From the Department of Emergency Medicine Hennepin County Medical Center Minneapolis MNUSA
| | - Brian E. Driver
- From the Department of Emergency Medicine Hennepin County Medical Center Minneapolis MNUSA
| | - James R. Miner
- From the Department of Emergency Medicine Hennepin County Medical Center Minneapolis MNUSA
- and the Department of Emergency Medicine University of Minnesota Minneapolis MNUSA
| | - Michelle H. Biros
- and the Department of Emergency Medicine University of Minnesota Minneapolis MNUSA
| | - Jon B. Cole
- From the Department of Emergency Medicine Hennepin County Medical Center Minneapolis MNUSA
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Bernard S, Roggenkamp R, Delorenzo A, Stephenson M, Smith K. Use of intramuscular ketamine by paramedics in the management of severely agitated patients. Emerg Med Australas 2021; 33:875-882. [PMID: 33763938 DOI: 10.1111/1742-6723.13755] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 09/16/2020] [Accepted: 02/08/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Administration of a sedative agent is required for safe transport of prehospital patients with severe agitation to EDs. Ambulance services in Australasia use ketamine, droperidol or midazolam as first line agent but the optimal agent is uncertain. In Victoria, intramuscular (IM) ketamine is used. The present study aimed to examine the prehospital characteristics and ED outcomes of patients with severe agitation after IM ketamine administration. METHODS A retrospective review was conducted for patients who received IM ketamine for severe agitation over a 2-year period. Data were sourced from Ambulance Victoria and linked to hospital data. The primary outcome was time to sedation. Data collected included baseline characteristics, adverse events and ED outcomes. RESULTS Three hundred and fifty-eight prehospital cases transported to 32 hospitals were included. Outcome data were available for 305 patients (21 hospitals). Median age was 31 years (IQR 23-40). 71.2% were male. Adequate sedation was achieved in 96.9% of cases in a median time of 5.0 min (IQR 3.0-7.0; range 1-31 min). Adverse events were transient hypoxia (5.0%), hyper-salivation (4.2%) and emergence reactions (0.8%). A total of 45 (14.8%) patients were intubated; two prehospital. CONCLUSION Intramuscular ketamine is effective with a low rate of prehospital complications in severely agitated patients in the prehospital setting. Given the variation in ambulance practice in Australasia, prospective, randomised trials in the prehospital setting comparing ketamine to other sedating agents such as droperidol in patients with severe agitation are required.
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Affiliation(s)
- Stephen Bernard
- Centre for Research and Evaluation, Ambulance Victoria, Melbourne, Victoria, Australia.,Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Intensive Care Unit, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Renee Roggenkamp
- Centre for Research and Evaluation, Ambulance Victoria, Melbourne, Victoria, Australia
| | - Ashleigh Delorenzo
- Centre for Research and Evaluation, Ambulance Victoria, Melbourne, Victoria, Australia
| | - Michael Stephenson
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Community Emergency Health and Paramedic Practice, Monash University, Melbourne, Victoria, Australia.,Clinical Operations, Ambulance Victoria, Melbourne, Victoria, Australia
| | - Karen Smith
- Centre for Research and Evaluation, Ambulance Victoria, Melbourne, Victoria, Australia.,Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Community Emergency Health and Paramedic Practice, Monash University, Melbourne, Victoria, Australia
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Drew P, Tippett V, Devenish S. Paramedic occupational violence mitigation: a comprehensive systematic review of emergency service worker prevention strategies and experiences for use in prehospital care. Occup Environ Med 2021; 78:841-848. [PMID: 33658324 DOI: 10.1136/oemed-2020-107037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/23/2020] [Accepted: 12/30/2020] [Indexed: 11/03/2022]
Abstract
Occupational violence is a significant issue within the context of prehospital healthcare with the majority of paramedics reporting some form of abuse, intimidation, physical or sexual assault during their career. Though the paramedic literature acknowledges the severity of this issue, there is limited literature examining occupational violence mitigation strategies. Despite this, the operational and environmental similarities that exist between paramedics and other emergency service workers such as the police and firefighters, provide an opportunity to review relatable occupational violence mitigation strategies and experiences.This review used Joanna Briggs Institute guidance for systematic reviews of both qualitative evidence and effectiveness. Studies included in this review incorporated those published in English from 1990 to January 2020.Two qualitative studies met the criteria for review. From these, a total of 22 findings were extracted and combined to form four categories from which two syntheses were developed. Twenty-four quantitative studies, encompassing six unique fields, met the criteria for review.Mitigation strategies for emergency service worker occupational violence are not easily defined. They are dynamic, multilayered and encompass a variety of complex social, medical and psychological influences. In spite of this, there are clear benefits to their application in regard to the approaches and training of violence mitigation. The paramedic environment would benefit from strategies that are flexible to the ongoing needs of the workers and the specific cultural, environmental and social factors that encompass the paramedic organisation.
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Affiliation(s)
- Peter Drew
- Faculty of Health, Queensland University of Technology, Kelvin Grove, Queensland, Australia
| | - Vivienne Tippett
- Faculty of Health, Queensland University of Technology, Kelvin Grove, Queensland, Australia
| | - Scott Devenish
- Faculty of Health, Queensland University of Technology, Kelvin Grove, Queensland, Australia
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Kim HK, Leonard JB, Corwell BN, Connors NJ. Safety and efficacy of pharmacologic agents used for rapid tranquilization of emergency department patients with acute agitation or excited delirium. Expert Opin Drug Saf 2021; 20:123-138. [PMID: 33327811 DOI: 10.1080/14740338.2021.1865911] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Introduction: Management of patients with acute agitation or aggressive behavior can pose a significant challenge to health-care providers in emergency departments. Areas covered: This article provides a comprehensive review of the pharmacologic properties, efficacy, and safety profiles of select intramuscular (IM) sedative agents (i.e., antipsychotics, benzodiazepines, and ketamine) for rapid tranquilization. Expert opinion: Using antipsychotics and benzodiazepines - whether a single agent or combined - will have similar efficacy in producing sedation. But there are differences in the time to sedation depending on which agent is used. Based upon the available studies, droperidol (5-10 mg IM) and midazolam (5-10 mg IM) have the fastest onset of sedation when either is used as a single agent. When combination therapy is used, using midazolam with an antipsychotic agent, instead of lorazepam, may result in faster sedative effect. QT prolongation and torsades de pointes are uncommon adverse drug effects of antipsychotic administration. Ketamine is often reserved as a second-line agent when antipsychotics and benzodiazepines fail to produce the desired tranquilization. However, ketamine (5 mg/kg IM) is more frequently associated with airway compromise requiring endotracheal intubation. A low-dose of ketamine (2 mg/kg IM) may reduce the risk of airway compromise while providing adequate sedation.
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Affiliation(s)
- Hong K Kim
- Department of Emergency Medicine, University of Maryland School of Medicine , Baltimore, MD, USA
| | - James B Leonard
- Maryland Poison Center, University of Maryland School of Pharmacy , Baltimore, MD, USA
| | - Brian N Corwell
- Department of Emergency Medicine, University of Maryland School of Medicine , Baltimore, MD, USA
| | - Nicholas J Connors
- Department of Emergency Medicine, HCA Healthcare Trident Medical Center , Charleston, SC, USA
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Strömmer EMF, Leith W, Zeegers MP, Freeman MD. The role of restraint in fatal excited delirium: a research synthesis and pooled analysis. Forensic Sci Med Pathol 2020; 16:680-692. [PMID: 32827300 PMCID: PMC7669776 DOI: 10.1007/s12024-020-00291-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2020] [Indexed: 02/02/2023]
Abstract
The purpose of the present study was to perform a comprehensive scientific literature review and pooled data risk factor analysis of excited delirium syndrome (ExDS) and agitated delirium (AgDS). All cases of ExDS or AgDS described individually in the literature published before April 23, 2020 were used to create a database of cases, including demographics, use of force, drug intoxication, mental illness, and survival outcome. Odds ratios were used to quantify the association between death and diagnosis (ExDS vs. AgDS) across the covariates. There were 61 articles describing 168 cases of ExDS or AgDS, of which 104 (62%) were fatal. ExDS was diagnosed in 120 (71%) cases, and AgDS in 48 (29%). Fatalities were more likely to be diagnosed as ExDS (OR: 9.9, p < 0.0001). Aggressive restraint (i.e. manhandling, handcuffs, and hobble ties) was more common in ExDS (ORs: 4.7, 14, 29.2, respectively, p < 0.0001) and fatal cases (ORs: 7.4, 10.7, 50, respectively, p < 0.0001). Sedation was more common in AgDS and survived cases (OR:11, 25, respectively, p < 0.0001). The results of the study indicate that a diagnosis of ExDS is far more likely to be associated with both aggressive restraint and death, in comparison with AgDS. There is no evidence to support ExDS as a cause of death in the absence of restraint. These findings are at odds with previously published theories indicating that ExDS-related death is due to an occult pathophysiologic process. When death has occurred in an aggressively restrained individual who fits the profile of either ExDS or AgDS, restraint-related asphyxia must be considered a likely cause of the death.
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Affiliation(s)
- Ellen M F Strömmer
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands.
| | - Wendy Leith
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Maurice P Zeegers
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Michael D Freeman
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands
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31
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Isoardi KZ, Parker LE, Page CB, Humphreys MA, Harris K, Rashford S, Isbister GK. K
etamine as
a
rescue treatment for severe acute behavioural disturbance
: A prospective prehospital study. Emerg Med Australas 2020; 33:610-614. [DOI: 10.1111/1742-6723.13682] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/24/2020] [Accepted: 10/26/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Katherine Z Isoardi
- Department of Clinical Toxicology Princess Alexandra Hospital Brisbane Queensland Australia
- Clinical Toxicology Research Group The University of Newcastle Newcastle New South Wales Australia
- Faculty of Medicine The University of Queensland Brisbane Queensland Australia
| | | | - Colin B Page
- Department of Clinical Toxicology Princess Alexandra Hospital Brisbane Queensland Australia
- Clinical Toxicology Research Group The University of Newcastle Newcastle New South Wales Australia
- Faculty of Medicine The University of Queensland Brisbane Queensland Australia
| | - Michael A Humphreys
- Department of Clinical Toxicology Princess Alexandra Hospital Brisbane Queensland Australia
- Faculty of Medicine The University of Queensland Brisbane Queensland Australia
| | - Keith Harris
- Department of Clinical Toxicology Princess Alexandra Hospital Brisbane Queensland Australia
- Faculty of Medicine The University of Queensland Brisbane Queensland Australia
| | | | - Geoffrey K Isbister
- Clinical Toxicology Research Group The University of Newcastle Newcastle New South Wales Australia
- Department of Clinical Toxicology and Pharmacology Calvary Mater Newcastle Newcastle New South Wales Australia
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Stevenson R, Tracy DK. Acute behavioural disturbance: a physical emergency psychiatrists need to understand. BJPSYCH ADVANCES 2020. [DOI: 10.1192/bja.2020.67] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARYThe phenomenon of acute behavioural disturbance (ABD) (also known as acute behavioural disorder or excited delirium) is an underrecognised and potentially life-threatening syndrome, and an emergency in psychiatric settings. Causes are discussed and the pathophysiology explained. The challenges faced by practitioners are highlighted, including how ‘standard’ control and restraint can exacerbate symptoms. Initial treatment strategies are suggested.
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Rescue Intubation in the Emergency Department After Prehospital Ketamine Administration for Agitation. Prehosp Disaster Med 2020; 35:651-655. [DOI: 10.1017/s1049023x20001168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
AbstractObjective:Prehospital intramuscular (IM) ketamine is increasingly used for chemical restraint of agitated patients. However, few studies have assessed emergency department (ED) follow-up of patients receiving prehospital ketamine for this indication, with previous reports suggesting a high rate of post-administration intubation. This study examines the rate of and reasons for intubation and other airway interventions in agitated patients who received ketamine by Emergency Medical Services (EMS).Methods:This retrospective cohort study included patients who received prehospital ketamine for agitation and were transported to two community hospital EDs. Charts were reviewed for demographics, ketamine dose, and airway intervention by EMS or in the ED. Characteristics of patients who were intubated versus those who did not receive airway intervention were analyzed.Results:Over 28 months, 86 patients received ketamine for agitation. Fourteen (16.3%) underwent endotracheal intubation. Patients with a higher temperature and a lower Glasgow Coma Score (GCS) were more likely to require intubation. There was no age or dose-dependent association on intubation rate. Intubated patients averaged 39 years old versus 44 for patients not intubated (negative five-year difference; 95% CI, -16 to 6). The mean ketamine dose was 339.3mg in patients intubated versus 350.7mg in patients not (-11.4mg difference; 95% CI, -72.4 to 49.6). The mean weight-based ketamine dose was 4.44mg/kg in patients intubated versus 4.96mg/kg in patients not (-0.53mg/kg difference; 95% CI, -1.49 to 0.43).Conclusions:The observed rate of intubation in patients receiving prehospital ketamine for agitation was 16.3%. Study data did not reveal an age or dose-dependent rate of intubation. Further research should be conducted to compare the airway intervention rate of agitated patients receiving ketamine versus other sedatives in a controlled fashion.
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Cole JB, Lee SC, Martel ML, Smith SW, Biros MH, Miner JR. The Incidence of QT Prolongation and Torsades des Pointes in Patients Receiving Droperidol in an Urban Emergency Department. West J Emerg Med 2020; 21:728-736. [PMID: 32726229 PMCID: PMC7390553 DOI: 10.5811/westjem.2020.4.47036] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 04/13/2020] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION Droperidol carries a boxed warning from the United States Food and Drug Administration for QT prolongation and torsades des pointes (TdP). After a six-year hiatus, droperidol again became widely available in the US in early 2019. With its return, clinicians must again make decisions regarding the boxed warning. Thus, the objective of this study was to report the incidence of QT prolongation or TdP in patients receiving droperidol in the ED. METHODS Patients receiving droperidol at an urban Level I trauma center from 1997-2001 were identified via electronic health record query. All patients were reviewed for cardiac arrest. We reviewed electrocardiogram (ECG) data for both critically-ill and noncritical patients and recorded Bazett's corrected QT intervals (QTc). ECGs from critically-ill patients undergoing resuscitation were further risk-stratified using the QT nomogram. RESULTS Of noncritical patients, 15,374 received 18,020 doses of droperidol; 2,431 had an ECG. In patients with ECGs before and after droperidol, the mean QTc was 424.3 milliseconds (ms) (95% confidence interval [CI], 419.7-428.9) before and 427.6 ms (95% CI, 424.3-430.9), after droperidol (n = 170). Regarding critically-ill patients, 1,172 received droperidol and 396 had an ECG. In the critically-ill group with ECGs before and after droperidol mean QTc was 435.7 ms (95% CI, 426.7-444.7) before and 435.8 ms (95% CI, 427.5-444.1) after droperidol (n = 114). Of 337 ECGs suitable for plotting on the QT nomogram, 13 (3.8%) were above the "at-risk" line; 3/136 (2.2%; 95% CI, 0.05-6.3%) in the before group, and 10/202 (4.9%; 95% CI, 2.4%-8.9%) in the after group. A single case of TdP occurred in a patient with multiple risk factors that did not reoccur after a droperidol rechallenge. Thus, the incidence of TdP was 1/16,546 (0.006%; 95% CI, 0.00015 - 0.03367%). CONCLUSION We found the incidence of QTc prolongation and TdP in ED patients receiving droperidol to be extremely rare. Our data suggest the FDA "black box warning" is overstated, and that close ECG monitoring is useful only in high-risk patients.
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Affiliation(s)
- Jon B. Cole
- University of Minnesota Medical School, Department of Emergency Medicine, Minneapolis, Minnesota
- Minnesota Poison Control System, Minneapolis, Minnesota
- Hennepin Healthcare, Department of Emergency Medicine, Minneapolis, Minnesota
| | | | - Marc L. Martel
- University of Minnesota Medical School, Department of Emergency Medicine, Minneapolis, Minnesota
- Hennepin Healthcare, Department of Emergency Medicine, Minneapolis, Minnesota
| | - Stephen W. Smith
- University of Minnesota Medical School, Department of Emergency Medicine, Minneapolis, Minnesota
- Hennepin Healthcare, Department of Emergency Medicine, Minneapolis, Minnesota
| | - Michelle H. Biros
- University of Minnesota Medical School, Department of Emergency Medicine, Minneapolis, Minnesota
| | - James R. Miner
- University of Minnesota Medical School, Department of Emergency Medicine, Minneapolis, Minnesota
- Hennepin Healthcare, Department of Emergency Medicine, Minneapolis, Minnesota
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Triple Therapeutic Effects of Ketamine in Prehospital Settings: Systematic Review. CURRENT EMERGENCY AND HOSPITAL MEDICINE REPORTS 2020. [DOI: 10.1007/s40138-020-00215-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Sullivan N, Chen C, Siegel R, Ma Y, Pourmand A, Montano N, Meltzer A. Ketamine for emergency sedation of agitated patients: A systematic review and meta-analysis. Am J Emerg Med 2020; 38:655-661. [DOI: 10.1016/j.ajem.2019.11.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 11/01/2019] [Accepted: 11/03/2019] [Indexed: 12/28/2022] Open
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Monte AA, Hopkinson A, Saben J, Shelton S, Thornton S, Schneir A, Pomerleau A, Hendrickson R, Arens AM, Cole JB, Chenoweth J, Martin S, Adams A, Banister SD, Gerona RR. The Psychoactive Surveillance Consortium and Analysis Network (PSCAN): the first year. Addiction 2020; 115:270-278. [PMID: 31769125 PMCID: PMC6982594 DOI: 10.1111/add.14808] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/21/2019] [Accepted: 08/30/2019] [Indexed: 01/20/2023]
Abstract
BACKGROUND AND AIMS The Psychoactive Surveillance Consortium and Analysis Network (PSCAN) is a national network of academic emergency departments (ED), analytical toxicologists and pharmacologists that collects clinical data paired with biological samples to identify and improve treatments of medical conditions arising from use of new psychoactive substances (NPS). The aim of this study was to gather clinical data with paired drug identification from NPS users who presented to EDs within PSCAN during its first year (2016-17). DESIGN Observational study involving patient records and biological samples. SETTING Seven academic emergency medical centers across the United States. PARTICIPANTS ED patients (n = 127) > 8 years of age with possible NPS use who were identified and enrolled in PSCAN by clinical providers or research personnel. MEASUREMENTS Clinical signs, symptoms and treatments were abstracted from the patients' health records. Biological samples were collected from leftover urine, serum and whole blood. Biological and drug samples, when available, were tested for drugs and drug metabolites via liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF/MS). FINDINGS Patients in whom synthetic opioids were detected (n = 9) showed higher rates of intubation (four of nine), impaired mental status (four of nine) and respiratory acidosis (five of nine) compared with the rest of the cohort (nine of 118, P-value < 0.05). Patients in whom synthetic cannabinoid (SC) were found (n = 27) had lower median diastolic blood pressures (70.5 versus 77 mmHg, P = 0.046) compared with the rest of the cohort. In 64 cases of single drug ingestion, benzodiazepines were administered in 25 cases and considered effective by the treating physician in 21 (84%) cases. CONCLUSIONS During its first year of operation, the Psychoactive Surveillance Consortium and Analysis Network captured clinical data on new classes of drugs paired with biological samples over a large geographical area in the United States. Synthetic cannabinoids were the most common new psychoactive drug identified. Synthetic opioids were associated with a high rate of intubation and respiratory acidosis.
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Affiliation(s)
- Andrew A. Monte
- University of Colorado School of Medicine, Department of Emergency Medicine, Aurora, CO,Rocky Mountain Poison & Drug Center, Denver Health and Hospital Authority, Denver, CO
| | - Andrew Hopkinson
- University of Colorado School of Medicine, Department of Emergency Medicine, Aurora, CO
| | - Jessica Saben
- University of Colorado School of Medicine, Department of Emergency Medicine, Aurora, CO
| | - Shelby Shelton
- University of Colorado School of Medicine, Department of Emergency Medicine, Aurora, CO
| | - Stephen Thornton
- University of Kansas, Department of Emergency Medicine, Kansas City, KS
| | - Aaron Schneir
- University of California San Diego Health System, Division of Medical Toxicology, Department of Emergency Medicine, San Diego, CA, USA
| | - Adam Pomerleau
- Department of Emergency Medicine, Emory University, Atlanta, GA
| | - Robert Hendrickson
- Department of Emergency Medicine, Oregon Health and Science University, Portland, OR
| | - Ann M. Arens
- Department of Emergency Medicine, Hennepin Healthcare, Minneapolis, MN
| | - Jon B. Cole
- Department of Emergency Medicine, Hennepin Healthcare, Minneapolis, MN
| | | | - Spencer Martin
- Clinical Toxicology and Environmental Biomonitoring Lab, University of California San Francisco, San Francisco, CA
| | - Axel Adams
- Clinical Toxicology and Environmental Biomonitoring Lab, University of California San Francisco, San Francisco, CA
| | - Samuel D. Banister
- The School of Chemistry, The University of Sydney, Sydney, NSW, Australia,The Lambert Initiative for Cannabinoid Therapeutics, The Brain and Mind Centre, The University of Sydney, Sydney, NSW, Australia
| | - Roy R. Gerona
- Clinical Toxicology and Environmental Biomonitoring Lab, University of California San Francisco, San Francisco, CA
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Mo H, Campbell MJ, Fertel BS, Lam SW, Wells EJ, Casserly E, Meldon SW. Ketamine Safety and Use in the Emergency Department for Pain and Agitation/Delirium: A Health System Experience. West J Emerg Med 2020; 21:272-281. [PMID: 31999250 PMCID: PMC7081852 DOI: 10.5811/westjem.2019.10.43067] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 10/03/2019] [Indexed: 01/02/2023] Open
Abstract
INTRODUCTION Two protocols were developed to guide the use of subdissociative dose ketamine (SDDK) for analgesia and dissociative sedation ketamine for severe agitation/excited delirium in the emergency department (ED). We sought to evaluate the safety of these protocols implemented in 18 EDs within a large health system. METHODS We conducted a retrospective chart review to evaluate all adult patients who received intravenous (IV) SDDK for analgesia and intramuscular (IM) dissociative sedation ketamine for severe agitation/excited delirium in 12 hospital-based and six freestanding EDs over a one-year period from the protocol implementation. We developed a standardized data collection form and used it to record patient information regarding ketamine use, concomitant medication use, and any comorbidities that could have impacted the incidence of adverse events. RESULTS Approximately 570,000 ED visits occurred during the study period. SDDK was used in 210 ED encounters, while dissociative sedation ketamine for severe agitation/excited delirium was used in 37 ED encounters. SDDK was used in 83% (15/18) of sites while dissociative sedation ketamine was used in 50% (9/18) of sites. Endotracheal intubation, non-rebreather mask, and nasal cannula ≥ four liters per minute were identified in one, five, and three patients, respectively. Neuropsychiatric adverse events were identified in 4% (9/210) of patients who received SDDK. CONCLUSION Patients experienced limited neuropsychiatric adverse events from SDDK. Additionally, dissociative sedation ketamine for severe agitation/excited delirium led to less endotracheal intubation than reported in the prehospital literature. The favorable safety profile of ketamine use in the ED may prompt further increases in usage.
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Affiliation(s)
- Hanjie Mo
- Cleveland Clinic, Department of Pharmacy, Cleveland, Ohio
| | | | - Baruch S Fertel
- Cleveland Clinic, Emergency Services Institute, Cleveland, Ohio
| | - Simon W Lam
- Cleveland Clinic, Department of Pharmacy, Cleveland, Ohio
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Exploring the case for research on incorporating psychedelics within interventions for borderline personality disorder. JOURNAL OF CONTEXTUAL BEHAVIORAL SCIENCE 2020. [DOI: 10.1016/j.jcbs.2019.11.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Zietlow J, Berns K, Jenkins D, Zietlow S. Prehospital Use of Ketamine: Effectiveness in Critically Ill and Injured Patients. Mil Med 2019; 184:542-544. [PMID: 30901477 DOI: 10.1093/milmed/usy422] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/10/2018] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The military use of ketamine is well established. The benefits of prehospital civilian use have not been extensively reported. METHODS A retrospective review was performed of patients with prehospital ketamine use in Mayo One's air and critical care ground transport. RESULTS The medical records were reviewed from 2014 to 2016 to assess the efficacy of Ketamine. During this time frame, 158 (167 instances) patients were treated with ketamine for analgesia (38%), sedation (44%), or procedural (18%) use. The patient population had a mean age of 49 (range: 1-100), with 105 (67%) male patients. Indications included trauma (69%), which was further broken down into blunt (57%), penetrating (4%), and miscellaneous (8%), and medical illness (31%). The mean ketamine dose was 52.6 mg (range: 5-200 mg) via intravenous route. Ketamine was utilized in 61% of patients after other medications were ineffective. Overall success rate was 98%. Mean pain scale before and after ketamine use was 9/10 and 3/10, respectively. Ketamine use increased yearly from 21 (13%) in 2014, 56 (36%) in 2015, and 81 (51%) in 2016. CONCLUSION Prehospital ketamine use is effective alone or in conjunction with other medications for analgesia, sedation, and procedural use in trauma and critically ill patients with minimal hemodynamic and respiratory consequences.
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Affiliation(s)
| | | | - Donald Jenkins
- University of Texas, San Antonio, 7703 Floyd Curl Dr., San Antonio, TX
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Childers R, Vilke G. Ketamine for Acute Agitation. CURRENT EMERGENCY AND HOSPITAL MEDICINE REPORTS 2019. [DOI: 10.1007/s40138-019-00177-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Klein LR, Driver BE, Horton G, Scharber S, Martel ML, Cole JB. Rescue Sedation When Treating Acute Agitation in the Emergency Department With Intramuscular Antipsychotics. J Emerg Med 2019; 56:484-490. [PMID: 30745194 DOI: 10.1016/j.jemermed.2018.12.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/21/2018] [Accepted: 12/24/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND Rapid treatment of agitation in the emergency department (ED) is critical to avoid injury to patients and providers. Treatment with intramuscular antipsychotics is often utilized, but there is a paucity of comparative effectiveness evidence available. OBJECTIVE The purpose of this investigation was to compare the effectiveness of droperidol, olanzapine, and haloperidol for treating agitation in the ED. METHODS This was a retrospective observational study of adult patients who received intramuscular medication to treat agitation. Patients were classified based on the initial antipsychotic they received. The primary effectiveness outcome was the rate of additional sedation administered (rescue medication) within 1 h. Secondary outcomes included rescue sedation for the entire encounter and adverse events. RESULTS There were 15,918 patients included (median age 37 years, 75% male). Rescue rates at 1 h were: 547/4947 for droperidol (11%, 95% confidence interval [CI] 10-12%), 988/8825 olanzapine (11%, 95% CI 10-12%), and 390/2146 for haloperidol (18%, 95% CI 17-20%). Rescue rates for the entire ED encounter were: 832/4947 for droperidol (17%, 95% CI 16-18%), 1665/8825 for olanzapine (19%, 95% CI 18-20%), and 560/2146 for haloperidol (26%, 95% CI 24-28%). Adverse events were uncommon: intubation (49, 0.3%), akathisia (7, 0.04%), dystonia (5, 0.03%), respiratory arrest (1, 0.006%), and torsades de pointes (0), with no significant differences between drugs. CONCLUSIONS Olanzapine and droperidol lead to lower rates of rescue sedation at 1 h and overall, compared with haloperidol. There were no significant differences in major adverse events.
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Affiliation(s)
- Lauren R Klein
- Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
| | - Brian E Driver
- Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
| | - Gabriella Horton
- Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
| | - Sarah Scharber
- Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
| | - Marc L Martel
- Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
| | - Jon B Cole
- Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
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Page CB, Parker LE, Rashford SJ, Isoardi KZ, Isbister GK. A Prospective Study of the Safety and Effectiveness of Droperidol in Children for Prehospital Acute Behavioral Disturbance. PREHOSP EMERG CARE 2018; 23:519-526. [PMID: 30380965 DOI: 10.1080/10903127.2018.1542473] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Study objective: Although uncommon, children (<16 years) with acute behavioral disturbance are a significant issue for emergency medical service providers. In this study, we aimed to investigate the safety and effectiveness of droperidol in children with prehospital acute behavioral disturbance. Methods: This was a prospective observational study over 1 year investigating the use of droperidol (0.1-0.2 mg/kg) for children (< 16 years) with acute behavioral disturbance. Inclusion criteria for acute behavioral disturbance were defined by a sedation assessment tool score of ≥2 determined by the attending paramedic. The primary outcome was the proportion of adverse effects (need for airway intervention, oxygen saturation <90% and/or respiratory rate <12, systolic blood pressure <90 mmHg, sedation assessment tool score of -3 and dystonic reactions). Secondary outcomes included time to sedation (sedation assessment tool score decreased by 2 or more, or a score of zero), requirement for additional sedation, failure to sedate and proportion of sedation success defined as the number of patients successfully sedated who did not suffer any adverse events or receive additional sedation. Results: There were 96 patients (males 51 [53%], median age 14 years [range 7-15 years]) who presented on 102 occasions over the one year study period. Self-harm and/or harm to others was the commonest (74/105 [70%]) cause of acute behavioral disturbance followed by alcohol (16/105 [15%]). There were 9 adverse events in 8 patients (8/102 [8%]; 95% confidence intervals [CI]: 3-13%) Five patients had hypotension, all asymptomatic and only one required treatment; 2 dystonic reactions managed with benztropine and one patient with respiratory depression. Median time to sedation was 14 min (interquartile range (IQR): 10-20 min; range: 3-85 min). There was no requirement for prehospital additional sedation (0/102 [0%]; 95% CI: 0-4%) and additional sedation in the first hour of arrival to hospital was required by 4 patients (4/102 [4%]; 95% CI: 1-10%). Overall successful sedation was achieved in 89 (87%) patients. Conclusions: The use of droperidol in children for acute behavioral disturbance in the prehospital setting is both safe and effective.
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Arens AM, Olives TD, Simpson NS, Laes JR, Anderson DL, Bangh SA, Lee SC, Martin S, Banister SD, Gerona RR, Cole JB. An outbreak of synthetic cannabinoid exposures reported to a regional poison center: "K2" identified as 5F-ADB. Clin Toxicol (Phila) 2018; 57:69-71. [PMID: 30430881 DOI: 10.1080/15563650.2018.1497170] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Ann M Arens
- a Minnesota Poison Control System , Minneapolis , MN , USA.,b Department of Emergency Medicine , Hennepin Healthcare , Minneapolis , MN , USA
| | - Travis D Olives
- a Minnesota Poison Control System , Minneapolis , MN , USA.,b Department of Emergency Medicine , Hennepin Healthcare , Minneapolis , MN , USA
| | - Nicholas S Simpson
- b Department of Emergency Medicine , Hennepin Healthcare , Minneapolis , MN , USA
| | - JoaAn R Laes
- a Minnesota Poison Control System , Minneapolis , MN , USA.,c Division of Addiction Medicine , Hennepin Healthcare , Minneapolis , MN , USA
| | | | - Stacey A Bangh
- a Minnesota Poison Control System , Minneapolis , MN , USA
| | - Samantha C Lee
- a Minnesota Poison Control System , Minneapolis , MN , USA
| | - Spencer Martin
- d University of California, San Francisco School of Medicine , San Francisco , CA , USA
| | - Samuel D Banister
- e The Lambert Initiative for Cannabinoid Therapeutics, University of Sydney , Camperdown , Australia
| | - Roy R Gerona
- f Clinical Toxicology and Environmental Biomonitoring Laboratory , University of California , San Francisco , CA , USA
| | - Jon B Cole
- a Minnesota Poison Control System , Minneapolis , MN , USA
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Heydari F, Gholamian A, Zamani M, Majidinejad S. Effect of Intramuscular Ketamine versus Haloperidol on Short-Term Control of Severe Agitated Patients in Emergency Department; A Randomized Clinical Trial. Bull Emerg Trauma 2018; 6:292-299. [PMID: 30402516 PMCID: PMC6215072 DOI: 10.29252/beat-060404] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Objective To evaluate the efficacy and safety of intramuscular ketamine and haloperidol in sedation of severely agitated patients in emergency department (ED). Methods This randomized, double-blind clinical trial study was performed on agitated patients referring to two university educational hospitals. Patients were randomly assigned to receive intramuscular (IM) haloperidol (5 mg) or IM ketamine (4 mg/kg). The primary outcome was time to adequate sedation (AMSS ≤ +1). Secondary outcomes included the need for additional sedatives, required intubation, duration of hospitalization, and side effects. Results The 90 agitated patients were enrolled. The mean age was 30.37±7.36 years (range 18-56); 74% (67/90) were men. The mean time to adequate sedation in ketamine group (7.73 ± 4.71 minutes) was significantly lower than haloperidol group (11.42 ± 7.20 minutes) (p= 0.005). 15 minutes after intervention, the sedation score did not differ significantly in both groups (Ketamine:0.14 ± 0.59 vs. Haloperidol: 0.30 ± 0.60; p=0.167). The incidence of complications was not significantly different between groups. The physician's satisfaction from the patients' aggression control was significantly higher in ketamine group. Conclusion These data suggest ketamine may be used for short-term control of agitated patients, additional studies are needed to confirm if ketamine is safe in this patient population. Given rapid effective sedation and the higher physician satisfaction of ketamine in comparison to haloperidol, it may be considered as a safe and appropriate alternative to haloperidol.IRCT Code: IRCT20180129038549N5.
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Affiliation(s)
- Farhad Heydari
- Emergency Medicine Research Center, Department of Emergency Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Gholamian
- Department of Emergency Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Majid Zamani
- Emergency Medicine Research Center, Department of Emergency Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Saeed Majidinejad
- Emergency Medicine Research Center, Department of Emergency Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Miner JR, Klein LR, Cole JB, Driver BE, Moore JC, Ho JD. The Characteristics and Prevalence of Agitation in an Urban County Emergency Department. Ann Emerg Med 2018; 72:361-370. [DOI: 10.1016/j.annemergmed.2018.06.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 05/09/2018] [Accepted: 05/31/2018] [Indexed: 10/28/2022]
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Intramuscular Midazolam, Olanzapine, Ziprasidone, or Haloperidol for Treating Acute Agitation in the Emergency Department. Ann Emerg Med 2018; 72:374-385. [DOI: 10.1016/j.annemergmed.2018.04.027] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/17/2018] [Accepted: 04/24/2018] [Indexed: 11/17/2022]
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Ketamine for Rapid Sedation of Agitated Patients in the Prehospital and Emergency Department Settings: A Systematic Review and Proportional Meta-Analysis. J Emerg Med 2018; 55:670-681. [PMID: 30197153 DOI: 10.1016/j.jemermed.2018.07.017] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 07/06/2018] [Accepted: 07/11/2018] [Indexed: 12/29/2022]
Abstract
BACKGROUND Rapid tranquilization of agitated patients can prevent injuries and expedite care. Whereas antipsychotics and benzodiazepines are commonly used for this purpose, ketamine has been suggested as an alternative. OBJECTIVE The aim of this systematic review is to determine the safety and effectiveness of ketamine to sedate prehospital and emergency department (ED) patients with undifferentiated agitation. METHODS Studies and case series of patients receiving ketamine for agitation were included. Studies were excluded if ketamine was used for analgesia, procedural sedation, asthma, or induction. Information sources included traditional and gray literature. RESULTS The initial search yielded 1176 results from 14 databases. After review of titles and abstracts, 32 studies were reviewed and 18 were included in the analysis, representing 650 patient encounters. The mean dose of ketamine was 315 mg (SD 52) given intramuscularly, with adequate sedation achieved in 7.2 min (SD 6.2, range 2-500). Intubation occurred in 30.5% of patients (95% confidence interval [CI] 27.0-34.1%). In the majority of those patients, ketamine was administered by paramedics during ground transport and the patient was intubated on ED arrival. When ketamine was administered in the ED, the intubation rate was 1.8% (95% CI 0.0-4.4%); in air medical transport, the rate was 4.9% (95% CI 0.0-10.3%). Other reported side effects included: vomiting, 5.2% (2.3-8.1%); hypertension, 12.1% (5.7-18.6%); emergence reactions, 3.5% (1.4-5.6%); transient hypoxia, 1.8% (0.1-3.6%) and laryngospasm, 1.3% (0.3-2.3%). CONCLUSIONS Ketamine provides rapid sedation for undifferentiated agitated patients and is associated with higher intubation rates when used by ground Emergency Medical Services paramedics, compared with ED or air medical transport patients. Other side effects are common but usually self-limiting.
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