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Bowman A, Domke C, Morton S. What is the Evidence for Using Intranasal Medicine in the Prehospital Setting? A Systematic Review. PREHOSP EMERG CARE 2024:1-16. [PMID: 38848591 DOI: 10.1080/10903127.2024.2357598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 04/10/2024] [Indexed: 06/09/2024]
Abstract
OBJECTIVES Intranasal (IN) medications offer a safe non-invasive way to rapidly deliver drugs in situations where intravenous (IV) access and intramuscular (IM) administration is challenging or not feasible. In the prehospital setting, this can be an essential alternative in time critical situations including trauma management, seizures, and agitated patients. However, there is a paucity of evidence summarizing its efficacy in this environment. This systematic review aims to assess the current evidence supporting the use of IN medicine (midazolam, ketamine, fentanyl, morphine, glucagon, and naloxone) in the prehospital setting alone. METHODS A systematic literature search (PROSPERO CRD42023440713) of PubMed, Web of Science, OVID Medline, "Cochrane Central Register of Controlled Trials," Cochrane reviews and Embase was performed from inception to June 2023 to identify studies where IN medications were administered to patients in the prehospital setting. All randomized controlled trials, observational cohort studies, case series, and case reports were included. Papers not written in English, review articles, abstracts, and non-published data (including letters to the editor) were excluded. The methodological quality of the included studies was interpreted using the Cochrane risk of bias tool and rated using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. No funding was received. RESULTS From 4818 studies, 39 were included (seven for midazolam, five for ketamine, twelve for fentanyl, one for diamorphine, two for glucagon, and twelve for naloxone). A total of 24,097 patients were treated with IN medications across all the studies. There were five moderate quality, four low quality, and thirty very low quality studies. The potential efficacy of IN fentanyl and ketamine was demonstrated consistently throughout the studies with less clear evidence for midazolam, morphine, glucagon, and naloxone. This review was severely limited by the study quality, with most studies demonstrating "high concerns" for bias. CONCLUSIONS Prehospital IN medication administration has wide-ranging potential, particularly for administering analgesia. There are likely to be certain populations, for example, pediatrics, that will benefit the most, although conclusions are limited by the quality of evidence currently available. We encourage additional research in this area, particularly with robust prospective double-blind RCTs.
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Fink PB, Wheeler AR, Smith WR, Brant-Zawadzki G, Lieberman JR, McIntosh SE, Van Tilburg C, Wedmore IS, Windsor JS, Hofmeyr R, Weber D. Wilderness Medical Society Clinical Practice Guidelines for the Treatment of Acute Pain in Austere Environments: 2024 Update. Wilderness Environ Med 2024; 35:198-218. [PMID: 38651342 DOI: 10.1177/10806032241248422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
The Wilderness Medical Society (WMS) convened an expert panel to develop evidence-based guidelines for the management of pain in austere environments. Recommendations are graded based on the quality of supporting evidence as defined by criteria put forth by the American College of Chest Physicians. This is an update of the 2014 version of the "WMS Practice Guidelines for the Treatment of Acute Pain in Remote Environments" published in Wilderness & Environmental Medicine 2014; 25:41-49.
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Affiliation(s)
- Patrick B Fink
- Department of Emergency Medicine, University of Utah, Salt Lake City, UT
| | - Albert R Wheeler
- Department of Emergency Medicine, St. John's Health, Jackson, WY
| | - William R Smith
- Department of Emergency Medicine, St. John's Health, Jackson, WY
| | | | | | - Scott E McIntosh
- Department of Emergency Medicine, University of Utah, Salt Lake City, UT
| | | | - Ian S Wedmore
- Uniformed Services University of the Health Sciences, Bethesda, MD
| | | | - Ross Hofmeyr
- Department of Anaesthesia and Perioperative Medicine, University of Cape Town, Cape Town, South Africa
| | - David Weber
- Mountain Rescue Collective, LLC, Park City, UT
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Pietsch U, Berger Y, Schurter D, Theiler L, Wenzel V, Meuli L, Grünenfelder A, Albrecht R. Nasal nalbuphine analgesia in prehospital trauma managed by first-responder personnel on ski slopes in Switzerland: an observational cohort study. Scand J Trauma Resusc Emerg Med 2021; 29:36. [PMID: 33596970 PMCID: PMC7890875 DOI: 10.1186/s13049-021-00852-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 02/05/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Pain is one of the major symptoms complained about by patients in the prehospital setting, especially in the case of trauma. When there is mountainous topography, as in Switzerland, there may be a time delay between injury and arrival of professional rescuers, in particular on ski slopes. Administration of a safe opioid by first responders may improve overall treatment. We therefore assessed administration of nasal nalbuphine as an analgesic treatment for trauma patients in Switzerland. METHODS This observational cohort study examined 267 patients who were treated with nasal nalbuphine by first responders in six ski resorts in Switzerland. All first responders were instructed to begin treatment by assessing the feasibility of using nalbuphine to treat pain in the patient. A treatment algorithm was developed and distributed to assure that nalbuphine was only administered following a strict protocol. Data regarding pain scores and pain reduction after administration of nalbuphine were collected on-site. Refills were handed out to the first responders with the return of each completed questionnaire. RESULTS Nalbuphine provided effective pain relief, with the median level of pain on the numeric rating scale for pain reduced by 3 units on average, from 8 points (p < 0.001). The multivariate regression model showed that pain reduction was more pronounced in patients with higher initial pain levels. Nalbuphine was more effective in adolsecents than in patients aged 20 to 60 years (p = 0.006). No major side effects were observed. CONCLUSION Nasal administration of nalbuphine by first responders is a presumably safe and effective noninvasive pain management strategy for acutely injured patients in the prehospital setting. This may be an alternative, especially in the case of severe pain and prolonged time between arrival of the first responders and arrival of EMS/HEMS personnel on scene.
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Affiliation(s)
- Urs Pietsch
- Department of Anaesthesiology and Intensive Care Medicine, Cantonal Hospital St. Gallen, Rorschacher Strasse 95, 9007 St. Gallen, Switzerland
- Swiss Air-Ambulance, Rega (Rettungsflugwacht / Guarde Aérienne), Zürich, Switzerland
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010 Bern, Switzerland
| | - Yoël Berger
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | | | - Lorenz Theiler
- Department of Anaesthesiology, Cantonal Hospital Aarau, Aarau, Switzerland
| | - Volker Wenzel
- Department of Anaesthesiology and Intensive Care Medicine, Friedrichshafen Regional Hospital, Friedrichshafen, Germany
| | - Lorenz Meuli
- Department of Vascular Surgery, University Hospital Zürich, Zürich, Switzerland
| | | | - Roland Albrecht
- Department of Anaesthesiology and Intensive Care Medicine, Cantonal Hospital St. Gallen, Rorschacher Strasse 95, 9007 St. Gallen, Switzerland
- Swiss Air-Ambulance, Rega (Rettungsflugwacht / Guarde Aérienne), Zürich, Switzerland
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010 Bern, Switzerland
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Wilkes M, Heath EC, Mason NP. Methoxyflurane for Procedural Analgesia at 4470 m Altitude. Wilderness Environ Med 2018; 29:388-391. [PMID: 30057014 DOI: 10.1016/j.wem.2018.02.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/07/2018] [Accepted: 02/22/2018] [Indexed: 11/24/2022]
Abstract
Methoxyflurane is a volatile, fluorinated anesthetic agent with analgesic properties. Although no longer used as an anesthetic due to concerns regarding renal toxicity in high doses, it has enjoyed a resurgence as an inhaled analgesic in prehospital care and in the emergency department. The agent is nonflammable and leads to rapid, titratable analgesia without intravenous access. The Penthrox inhaler device is light, robust, and straightforward to administer. Consequently, it has been proposed as an ideal analgesic for the remote high altitude setting. We report its use for procedural analgesia during suprapubic aspiration for acute urinary retention at a remote rescue post at night, in cold winter conditions, at 4470 m altitude in Machermo, Nepal. We found that methoxyflurane provided rapid, effective analgesia for our patient's visceral and procedural pain. The inhaler was easy to administer, and the patient remained responsive to voice, with satisfactory oxygen saturation and respiratory rate throughout. We also briefly review the administration, dosing, efficacy, and safety of methoxyflurane and its role in remote medical care.
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Affiliation(s)
- Matt Wilkes
- Rescue Post Machermo, Khumbu, Nepal (Drs Wilkes and Heath).
| | | | - Nicholas P Mason
- Royal Gwent Hospital, Newport, United Kingdom (Dr Mason); International Porter Protection Group, Cardiff, United Kingdom (Dr Mason)
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Galinski M, Hoffman L, Bregeaud D, Kamboua M, Ageron FX, Rouanet C, Hubert JC, Istria J, Ruscev M, Tazarourte K, Pevirieri F, Lapostolle F, Adnet F. Procedural Sedation and Analgesia in Trauma Patients in an Out-of-Hospital Emergency Setting: A Prospective Multicenter Observational Study. PREHOSP EMERG CARE 2018; 22:497-505. [DOI: 10.1080/10903127.2017.1413464] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Ausserer J, Moritz E, Stroehle M, Brugger H, Strapazzon G, Rauch S, Mair P. Physician staffed helicopter emergency medical systems can provide advanced trauma life support in mountainous and remote areas. Injury 2017; 48:20-25. [PMID: 27650943 DOI: 10.1016/j.injury.2016.09.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 08/17/2016] [Accepted: 09/02/2016] [Indexed: 02/02/2023]
Abstract
INTRODUCTION In remote and mountainous areas, helicopter emergency medical systems (HEMS) are used to expedite evacuation and provide pre-hospital advanced trauma life support (ATLS) in major trauma victims. Aim of the study was to investigate feasibility of ATLS in HEMS mountain rescue missions and its influence on patient condition at hospital admission. PATIENTS 58 major trauma victims (Injury Severity Score ≥16), evacuated by physician staffed HEMS from remote and mountainous areas in the State of Tyrol, Austria between 1.1.2011 and 31.12.2013. RESULTS Pre-hospital time exceeded 90min in 24 (44%) cases. 31 (53%) patients suffered critical impairment of at least one vital function (systolic blood pressure <90mmHg, GCS <10, or respiratory rate <10 or >30). 4 (6.9%) of 58 patients died prior to hospital admission. Volume resuscitation was restrictive: 18 (72%) of 25 hypotensive patients received ≤500ml fluids and blood pressure was increased >90mmHg at hospital admission in only 9 (36%) of these 25 patients. 8 (50%) of 16 brain trauma patients with a blood pressure <90mmHg remained hypotensive at hospital admission. Endotracheal intubation was accomplished without major complications in 15 (79%) of 19 patients with a Glasgow Coma Scale score <10. Rope operations were necessary in 40 (69%) of 58 cases and ATLS was started before hoist evacuation in 30 (75%) of them. CONCLUSIONS The frequent combination of prolonged pre-hospital times, with critical impairment of vital functions, supports the need for early ATLS in HEMS mountain rescue missions. Pre-hospital endotracheal intubation is possible with a high success and low complication rate also in a mountain rescue scenario. Pre-hospital volume resuscitation is restrictive and hypotension is reversed at hospital admission in only one third of patients. Prolonged pre-hospital hypotension remains an unresolved problem in half of all brain trauma patients and indicates the difficulties to increase blood pressure to a desired level in a mountain rescue scenario. Despite technical considerations, on-site ATLS is feasible for an experienced emergency physician in the majority of rope rescue operations.
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Affiliation(s)
- Julia Ausserer
- Department of Anaesthesiology and Critical Care Medicine, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
| | - Elizabeth Moritz
- Department of Anaesthesiology and Critical Care Medicine, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
| | - Matthias Stroehle
- Department of Anaesthesiology and Critical Care Medicine, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
| | - Hermann Brugger
- EURAC Institute of Mountain Emergency Medicine, Drususallee 1, 39100 Bolzano, Italy
| | - Giacomo Strapazzon
- EURAC Institute of Mountain Emergency Medicine, Drususallee 1, 39100 Bolzano, Italy
| | - Simon Rauch
- EURAC Institute of Mountain Emergency Medicine, Drususallee 1, 39100 Bolzano, Italy
| | - Peter Mair
- Department of Anaesthesiology and Critical Care Medicine, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria.
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Eidenbenz D, Taffé P, Hugli O, Albrecht E, Pasquier M. A two-year retrospective review of the determinants of pre-hospital analgesia administration by alpine helicopter emergency medical physicians to patients with isolated limb injury. Anaesthesia 2016; 71:779-87. [PMID: 27091515 DOI: 10.1111/anae.13462] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/19/2016] [Indexed: 11/28/2022]
Abstract
Up to 75% of pre-hospital trauma patients experience moderate to severe pain but this is often poorly recognised and treated with insufficient analgesia. Using multi-level logistic regression analysis, we aimed to identify the determinants of pre-hospital analgesia administration and choice of analgesic agent in a single helicopter-based emergency medical service, where available analgesic drugs were fentanyl and ketamine. Of the 1156 patients rescued for isolated limb injury, 657 (57%) received analgesia. Mean (SD) initial pain scores (as measured by a numeric rating scale) were 2.8 (1.8), 3.3 (1.6) and 7.4 (2.0) for patients who did not receive, declined, and received analgesia, respectively (p < 0.001). Fentanyl as a single agent, ketamine in combination with fentanyl and ketamine as a single agent were used in 533 (84%), 94 (14%) and 10 (2%) patients, respectively. A high initial on-scene pain score and a presumptive diagnosis of fracture were the main determinants of analgesia administration. Fentanyl was preferred for paediatric patients and ketamine was preferentially administered for severe pain by physicians who had more medical experience or had trained in anaesthesia.
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Affiliation(s)
- D Eidenbenz
- Medical School of the University of Lausanne, Lausanne, Switzerland
| | - P Taffé
- Institute for Social and Preventive Medicine (IUMSP), Lausanne, Switzerland
| | - O Hugli
- Emergency Service, Lausanne, Switzerland
| | - E Albrecht
- Anaesthesiology Service, Lausanne, Switzerland
| | - M Pasquier
- Emergency Service, Lausanne University Hospital, Lausanne, Switzerland
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Ellerton J, Milani M, Blancher M, Zen-Ruffinen G, Skaiaa SC, Brink B, Lohani A, Paal P. Managing moderate and severe pain in mountain rescue. High Alt Med Biol 2014; 15:8-14. [PMID: 24673533 DOI: 10.1089/ham.2013.1135] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
AIMS We aimed to describe evidence-based options for prehospital analgesia, and to offer practical advice to physicians and nonphysicians working in mountain rescue. METHODS A literature search was performed; the results and recommendations were discussed among the authors. Four authors considered a scenario. The final article was discussed and approved by the International Commission for Mountain Emergency Medicine (ICAR MEDCOM) in October 2013. RESULTS AND RECOMMENDATIONS Many health care providers fail to recognize, assess, and treat pain adequately. Assessment scales and treatment protocols should be implemented in mountain rescue services to encourage better management of pain. Specific training in assessing and managing pain is essential for all mountain rescuers. Persons administrating analgesics should receive appropriate detailed training. There is no ideal analgesic that will accomplish all that is expected in every situation. A range of drugs and delivery methods will be needed. Thus, an 'analgesic module' reflecting its users and the environment should be developed. The number of drugs carried should be reduced to a minimum by careful selection and, where possible, utilizing drugs with multiple delivery options. A strong opioid is recommended as the core drug for managing moderate or severe pain; a multimodal approach may provide additional benefits.
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Affiliation(s)
- John Ellerton
- 1 General Practitioner and Medical Officer, Mountain Rescue (England and Wales), Birbeck Medical Group , Penrith, United Kingdom
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Tsze DS, Vitberg YM, Berezow J, Starc TJ, Dayan PS. Treatment of tetralogy of Fallot hypoxic spell with intranasal fentanyl. Pediatrics 2014; 134:e266-9. [PMID: 24936003 DOI: 10.1542/peds.2013-3183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
We present the case of a 3-month-old girl who had unrepaired Tetralogy of Fallot who presented to the emergency department with an acute hypoxic episode. The patient was hyperpneic and cyanotic, with an initial oxygen saturation of 56%. She did not respond to knee-to-chest positioning. A single dose of intranasal fentanyl was administered with subsequent resolution of her symptoms and improvement of her oxygen saturation to 78% within 10 minutes. To our knowledge, this is the first report of the successful treatment of a hypoxic episode of Tetralogy of Fallot using intranasal fentanyl.
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Affiliation(s)
- Daniel S Tsze
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Yaffa M Vitberg
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Joel Berezow
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Thomas J Starc
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Peter S Dayan
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
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[Accidental hypothermia]. Anaesthesist 2013; 62:624-31. [PMID: 23925462 DOI: 10.1007/s00101-013-2205-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 05/14/2013] [Accepted: 06/18/2013] [Indexed: 02/02/2023]
Abstract
Uncertainty exists on how to treat patients suffering from accidental hypothermia and on the optimal transport decisions. The aim of this review is to provide an updated evidence-based reference for the pre-hospital and in-hospital management of patients with accidental hypothermia and for the transport decisions required to facilitate treatment. Advances in the efficiency and availability of rewarming techniques have improved the prognosis for patients presenting with hypothermia. For hypothermic patients with a core body temperature ≥ 28 °C without cardiac instability there is increasing evidence to support the use of active external and minimally invasive rewarming techniques (e.g. chemical, electrical or forced air heating packs, blankets and warm parenteral fluids). Hypothermic patients with cardiac instability (i.e. systolic blood pressure < 90 mmHg, ventricular arrhythmia and core body temperature < 28 °C) should be rewarmed with active external and minimally invasive rewarming techniques in a hospital which also has circulation substituting venous-arterial extracorporeal membrane oxygenation (VA-ECMO) and cardiopulmonary bypass (CBP) facilities. In cardiac arrest patients VA-ECMO may be a better treatment option than CBP and survival rates of 100 % can be achieved compared to ~ 10 % with traditional methods (e.g. body cavity lavage). Early transport to a hospital appropriately equipped for rewarming has the potential to decrease complication rates and improve survival.
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