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De Buck E, Scheers H, Vandekerckhove P, Vermeulen D, Heidbuchel H, Heuten H. The impact of different recovery positions on the perfusion of the lower forearm and comfort: A cross-over randomized controlled trial. Resusc Plus 2024; 19:100722. [PMID: 39091584 PMCID: PMC11293584 DOI: 10.1016/j.resplu.2024.100722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/06/2024] [Accepted: 07/03/2024] [Indexed: 08/04/2024] Open
Abstract
Background International guidelines recommend a side-lying recovery position for unresponsive individuals with normal breathing who do not require cardiopulmonary resuscitation. However, high-certainty evidence about an optimal recovery position is lacking. Recent guidelines recommend a position with the arm extended rather than bent, hypothesizing that venous drainage in the dependent lower arm might be compromised. This cross-over randomized controlled trial aims to evaluate the effect of recovery positions with bent or extended arm on perfusion of the lower forearm and comfort. Methods Eight healthy volunteers were placed in each of the recovery positions for 15 min, in random order, with an interval of 15 min in supine position. Various perfusion indices of the dependent arm were assessed by radial artery tonometry, ulnar artery echo doppler, and venous congestion plethysmography, as well as participant discomfort, pain and skin discoloration. Differences in outcomes were analyzed with linear mixed models. Results Our study found no statistically significant difference in systolic peripheral arterial pressure in the radial artery, peripheral venous pressure at the back of the hand, oxygen saturation, heart rate, subjective pain and discomfort, when comparing both postures. Participants slightly experienced more skin discoloration in the position with extended arm. Conclusions We conclude that, since perfusion of the dependent arm was shown to be similar in both positions, both recovery positions can be used. These conclusions fill a gap in evidence and can further support the treatment recommendations regarding the recovery position in first aid settings.
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Affiliation(s)
- Emmy De Buck
- Centre for Evidence-Based Practice, Belgian Red Cross, Motstraat 40, 2800 Mechelen, Belgium
- Cochrane First Aid, Motstraat 40, 2800 Mechelen, Belgium
- Department of Public Health and Primary Care, Leuven Institute for Healthcare Policy, KU Leuven, Kapucijnenvoer 7 blok g – bus 7001, 3000 Leuven, Belgium
| | - Hans Scheers
- Centre for Evidence-Based Practice, Belgian Red Cross, Motstraat 40, 2800 Mechelen, Belgium
- Department of Public Health and Primary Care, Leuven Institute for Healthcare Policy, KU Leuven, Kapucijnenvoer 7 blok g – bus 7001, 3000 Leuven, Belgium
| | - Philippe Vandekerckhove
- Department of Public Health and Primary Care, Leuven Institute for Healthcare Policy, KU Leuven, Kapucijnenvoer 7 blok g – bus 7001, 3000 Leuven, Belgium
- Belgian Red Cross, Motstraat 40, 2800 Mechelen, Belgium
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, PO Box 241, 800 Cape Town, South Africa
| | - Dorien Vermeulen
- Department of Cardiology, University Hospital Antwerp, Drie Eikenstraat 655, 2650 Edegem, Belgium
| | - Hein Heidbuchel
- Department of Cardiology, University Hospital Antwerp, Drie Eikenstraat 655, 2650 Edegem, Belgium
| | - Hilde Heuten
- Department of Cardiology, University Hospital Antwerp, Drie Eikenstraat 655, 2650 Edegem, Belgium
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Bruton L, Nichols M, Looi S, Evens T, Bendall JC, Davis KJ. Evaluating soft collars in pre-hospital cervical spine immobilisation: A cohort study on neurological outcomes, patient comfort and paramedic perspectives. Emerg Med Australas 2024. [PMID: 39049205 DOI: 10.1111/1742-6723.14464] [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: 06/17/2024] [Accepted: 06/24/2024] [Indexed: 07/27/2024]
Abstract
OBJECTIVE Cervical spinal immobilisation procedures often include rigid cervical collars which, despite associated complications, may provide less immobilisation than previously thought. The present study reports the incidence of worsening neurological outcomes following soft collar application, and additionally reports patient comfort, compliance with spinal immobilisation, and paramedic perspectives on usage. METHODS This was an observational cohort study conducted in selected metropolitan and regional areas of NSW Ambulance between 1 May 2022 and 31 March 2023. Soft collars were used exclusively in place of rigid collars. The SPEED (SPinal Emergency Evaluation of Deficits) tool was used to evaluate new or worsening neurological deficits following pre-hospital soft collar application. Secondary outcomes included patient-reported comfort of the device, and paramedic assessment of efficacy. RESULTS Overall, 2098 soft collars were applied, of which 74 patients (3.5%) were subsequently found to have a cervical spine injury. Eight patients had a spinal cord injury, of which two experienced a worsening neurological deficit after soft collar application. In both instances, comprehensive case reviews determined that this was unlikely to have been attributable to the soft collar. The majority of patients found the soft collar comfortable, and they were well-tolerated by patients who generally complied with immobility directions. Paramedics found the collar easy to apply, and felt it assisted in minimising patient movement. CONCLUSIONS Pre-hospital use of soft collars does not appear to increase the risk of significant injury. Patients found these devices relatively comfortable, and clinicians reported overall ease of use with good patient compliance with immobility directives.
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Affiliation(s)
- Liam Bruton
- NSW Ambulance, 10 Dawn Fraser Avenue, Sydney Olympic Park, New South Wales, Australia
| | - Martin Nichols
- NSW Ambulance, 10 Dawn Fraser Avenue, Sydney Olympic Park, New South Wales, Australia
| | - Stephanie Looi
- NSW Ambulance, 10 Dawn Fraser Avenue, Sydney Olympic Park, New South Wales, Australia
| | - Thomas Evens
- NSW Ambulance, 10 Dawn Fraser Avenue, Sydney Olympic Park, New South Wales, Australia
| | - Jason C Bendall
- NSW Ambulance, 10 Dawn Fraser Avenue, Sydney Olympic Park, New South Wales, Australia
- Department of Anaesthesia & Intensive Care, University of Newcastle, Newcastle, New South Wales, Australia
| | - Kimberley J Davis
- NSW Ambulance, 10 Dawn Fraser Avenue, Sydney Olympic Park, New South Wales, Australia
- Graduate School of Medicine, Faculty of Science Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia
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Wang X, Yuan K, Su Y, Li X, Meng L, Zhao N, Hu Y, Duan F, Xu FJ. Tuning Blood-Material Interactions to Generate Versatile Hemostatic Powders and Gels. Adv Healthc Mater 2024; 13:e2301945. [PMID: 37897223 DOI: 10.1002/adhm.202301945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/05/2023] [Indexed: 10/29/2023]
Abstract
Polymer-based hemostatic materials/devices have been increasingly exploited for versatile clinical scenarios, while there is an urgent need to reveal the rational design/facile approach for procoagulant surfaces through regulating blood-material interactions. In this work, degradable powders (PLPS) and thermoresponsive gels (F127-PLPS) are readily developed as promising hemostatic materials for versatile clinical applications, through tuning blood-material interactions with optimized grafting of cationic polylysine: the former is facilely prepared by conjugating polylysine onto porous starch particle, while F127-PLPS is prepared by the simple mixture of PLPS and commercial thermosensitive polymer. In vitro and in vivo results demonstrate that PLPS2 with the optimal-/medium content of polylysine grafts achieve the superior hemostatic performance. The underlying procoagulant mechanism of PLPS2 surface is revealed as the selective fibrinogen adsorption among the competitive plasma-protein-adsorption process, which is the foundation of other blood-material interactions. Moreover, in vitro results confirm the achieved procoagulant surface of F127-PLPS through optimal PLPS2 loading. Together with the tunable thermoresponsiveness, F127-PLPS exhibits outstanding hemostatic utilization in both femoral-artery-injury and renal-artery-embolization models. The work thereby pioneers an appealing approach for generating versatile polymer-based hemostatic materials/devices.
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Affiliation(s)
- Xueru Wang
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Material, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Kai Yuan
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yang Su
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Material, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xiaoyue Li
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Material, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Limin Meng
- Department of Medical Imaging, Air Force Medical Center, PLA, Beijing, 100142, China
| | - Nana Zhao
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Material, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yang Hu
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Material, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Feng Duan
- Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, 100853, China
| | - Fu-Jian Xu
- State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology, Ministry of Education), Beijing Laboratory of Biomedical Material, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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Poveda-Henao C, Valenzuela-Faccini N, Pérez-Garzón M, Mantilla-Viviescas K, Chavarro-Alfonso O, Robayo-Amortegui H. Neurological outcomes and quality of life in post-cardiac arrest patients with return of spontaneous circulation supported by ECMO: A retrospective case series. Medicine (Baltimore) 2023; 102:e35842. [PMID: 38115364 PMCID: PMC10727675 DOI: 10.1097/md.0000000000035842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/07/2023] [Accepted: 10/06/2023] [Indexed: 12/21/2023] Open
Abstract
Post-cardiac arrest brain injury constitutes a significant contributor to morbidity and mortality, leading to cognitive impairment and subsequent disability. Individuals within this patient cohort grapple with uncertainty regarding the potential advantages of extracorporeal life support (ECMO) cannulation. This study elucidates the neurological outcomes and quality of life of post-cardiac arrest patients who attained spontaneous circulation and underwent ECMO cannulation. This is a retrospective case study within a local context, the research involved 32 patients who received ECMO support following an intrahospital cardiac arrest with return of spontaneous circulation (ROSC). An additional 32 patients experienced cardiac arrest with ROSC before undergoing cannulation. The average age was 41 years, with the primary causes of cardiac arrest identified as acute coronary syndrome (46.8%), pulmonary thromboembolism (21.88%), and hypoxemia (18.7%). The most prevalent arrest rhythm was asystole (37.5%), followed by ventricular fibrillation (34.4%). The mean SOFA score was 7 points (IQR 6.5-9), APACHE II score was 12 (IQR 9-16), RESP score was -1 (IQR -1 to -4) in cases of respiratory ECMO, and SAVE score was -3 (IQR -5 to 2) in cases of cardiac ECMO. Overall survival was 71%, and at 6 months, the Barthel score was 75 points, modified Rankin score was 2, cerebral performance categories score was 1, and the SF-12 had an average score of 30. Notably, there were no significant associations between the time, cause, or rhythm of cardiac arrest and neurological outcomes. Importantly, cardiac arrest is not a contraindication for ECMO cannulation. A meticulous assessment of candidates who have achieved spontaneous circulation after cardiac arrest, considering the absence of early signs of poor neurological prognosis, is crucial in patient selection. Larger prospective studies are warranted to validate and extend these findings.
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Affiliation(s)
| | | | - Michel Pérez-Garzón
- Critical Medicine and Intensive Care, Fundación Clínica Shaio, Bogotá, Colombia
| | | | - Omar Chavarro-Alfonso
- Critical Medicine and Intensive Care resident, Universidad de La Sabana, Chía, Colombia
| | - Henry Robayo-Amortegui
- Critical Medicine and Intensive Care resident, Universidad de La Sabana, Chía, Colombia
- Grupo de Investigacion Clinica UPTC
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Kuupiel D, Jessani NS, Boffa J, Naude C, De Buck E, Vandekerckhove P, McCaul M. Prehospital clinical practice guidelines for unintentional injuries: a scoping review and prioritisation process. BMC Emerg Med 2023; 23:27. [PMID: 36915034 PMCID: PMC10010958 DOI: 10.1186/s12873-023-00794-x] [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: 08/15/2022] [Accepted: 02/22/2023] [Indexed: 03/14/2023] Open
Abstract
BACKGROUND Globally, millions of people die and many more develop disabilities resulting from injuries each year. Most people who die from injuries do so before they are transported to hospital. Thus, reliable, pragmatic, and evidence-based prehospital guidance for various injuries is essential. We systematically mapped and described prehospital clinical practice guidelines (CPGs) for injuries in the global context, as well as prioritised injury topics for guidance development and adolopment. METHODS This study was sequentially conducted in three phases: a scoping review for CPGs (Phase I), identification and refinement of gaps in CPGs (Phase II), and ranking and prioritisation of gaps in CPGs (Phase III). For Phase I, we searched PubMed, SCOPUS, and Trip Database; guideline repositories and websites up to 23rd May 2021. Two authors in duplicate independently screened titles and abstract, and full-text as well as extracted data of eligible CPGs. Guidelines had to meet 60% minimum methodological quality according to rigour of development domain in AGREE II. The second and third phases involved 17 participants from 9 African countries and 1 from Europe who participated in a virtual stakeholder engagement workshop held on 5 April 2022, and followed by an online ranking process. RESULTS Fifty-eight CPGs were included out of 3,427 guidance documents obtained and screened. 39/58 (67%) were developed de novo compared to 19 that were developed using alternative approaches. Twenty-five out of 58 guidelines (43%) were developed by bodies in countries within the WHO European Region, while only one guideline was targeted to the African context. Twenty-five (43%) CPGs targeted emergency medical service providers, while 13 (22%) targeted first aid providers (laypeople). Forty-three CPGs (74%) targeted people of all ages. The 58 guidance documents contained 32 injury topics. Injuries linked to road traffic accidents such as traumatic brain injuries and chest injuries were among the top prioritised topics for future guideline development by the workshop participants. CONCLUSION This study highlights the availability, gaps and priority injury topics for future guideline development/adolopment, especially for the African context. Further research is needed to evaluate the recommendations in the 58 included CPGs for possible adaptation to the African context.
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Affiliation(s)
- Desmond Kuupiel
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa.
- Centre for Evidence-Based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa.
- Faculty of Health Sciences, Durban University of Technology, Durban, 4001, South Africa.
- Department of Public Health Medicine, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, 4001, South Africa.
| | - Nasreen S Jessani
- Centre for Evidence-Based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA
| | - Jody Boffa
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa
- The Aurum Institute, Johannesburg, South Africa
| | - Celeste Naude
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa
- Centre for Evidence-Based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa
| | - Emmy De Buck
- Centre for Evidence-Based Practice, Belgian Red Cross, Motstraat 42, 2800, Mechelen, Belgium
- Department of Public Health and Primary Care, Leuven Institute for Healthcare Policy, KU Leuven, Kapucijnenvoer 35 block D, 3000, Leuven, Belgium
- Cochrane First Aid, Motstraat 42, Mechelen, Belgium
| | - Philippe Vandekerckhove
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa
- Department of Public Health and Primary Care, Leuven Institute for Healthcare Policy, KU Leuven, Kapucijnenvoer 35 block D, 3000, Leuven, Belgium
- Belgian Red Cross, Motstraat 42, 2800, Mechelen, Belgium
| | - Michael McCaul
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine & Health Science, Stellenbosch University, Cape Town, 7530, South Africa
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Yu Q, Su B, Zhao W, Zhao C. Janus Self-Propelled Chitosan-Based Hydrogel Spheres for Rapid Bleeding Control. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205989. [PMID: 36567271 PMCID: PMC9929117 DOI: 10.1002/advs.202205989] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/22/2022] [Indexed: 06/12/2023]
Abstract
Uncontrolled hemorrhage is a major cause of potentially preventable death in civilian trauma nowadays. Considerable concern has been given to the development of efficient hemostats with high blood absorption, self-propelled property, and Ca2+ release ability, for irregularly shaped and noncompressible hemorrhage. Herein, Janus self-propelled chitosan-based hydrogel with CaCO3 (J-CMH@CaCO3 ) is developed by partial ionic crosslinking of carboxylated chitosan (CCS) and Ca2+ , gravity settlement, and photopolymerization, followed by removing the shell of CCS. The obtained J-CMH@CaCO3 is further used as a hemostat powered by the internal CaCO3 and coordinated protonated tranexamic acid (J-CMH@CaCO3 /T). Bubbles are generated and detached to provide the driving force, accompanied by the release of Ca2+ . The two aspects work in synergy to accelerate clot formation, endowing the J-CMH@CaCO3 /T with excellent hemostatic efficiency. The J-CMH@CaCO3 /T presents high blood absorption, favorable blood-clotting ability, desired erythrocyte and platelet aggregation, and acceptable hemocompatibility and cytocompatibility. In rodent and rabbit bleeding models, the J-CMH@CaCO3 /T exhibits the most effective hemostasis to the best knowledge of the authors, wherein the hemorrhage is rapidly halted within 39 s. It is believed that the J-CMH@CaCO3 /T with self-propelled property opens up a new avenue to design high-performance hemostats for clinical application.
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Affiliation(s)
- Qiao Yu
- Department of NephrologyWest China HospitalSichuan UniversityChengdu610041China
- Institute for Disaster Management and ReconstructionSichuan UniversityChengdu610207China
- Med‐X Center for MaterialsSichuan UniversityChengdu610041China
| | - Baihai Su
- Department of NephrologyWest China HospitalSichuan UniversityChengdu610041China
- Med‐X Center for MaterialsSichuan UniversityChengdu610041China
| | - Weifeng Zhao
- Med‐X Center for MaterialsSichuan UniversityChengdu610041China
- College of Polymer Science and EngineeringState Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu610054China
| | - Changsheng Zhao
- Med‐X Center for MaterialsSichuan UniversityChengdu610041China
- College of Polymer Science and EngineeringState Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu610054China
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The Untrained Public's Ability to Apply the Layperson Audiovisual Assist Tourniquet vs a Combat Application Tourniquet: A Randomized Controlled Trial. J Am Coll Surg 2023; 236:178-186. [PMID: 36165504 DOI: 10.1097/xcs.0000000000000432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
BACKGROUND Although the Stop the Bleed campaign's impact is encouraging, gaps remain. These gaps include rapid skill decay, a lack of easy-to-use tourniquets for the untrained public, and training barriers that prevent scalability. A team of academic and industry partners developed the Layperson Audiovisual Assist Tourniquet (LAVA TQ)-the first audiovisual-enabled tourniquet for public use. LAVA TQ addresses known tourniquet application challenges and is novel in its design and technology. STUDY DESIGN This study is a prospective, randomized, superiority trial comparing the ability of the untrained public to apply LAVA TQ to a simulated leg vs their ability to apply a Combat Application Tourniquet (CAT). The study team enrolled participants in Boston, MA; Frederick, MD; and Linköping, Sweden in 2022. The primary outcome was the proportion of successful applications of each tourniquet. Secondary outcomes included: mean time to application, placement position, reasons for failed application, and comfort with the devices. RESULTS Participants applied the novel LAVA TQ successfully 93% (n = 66 of 71) of the time compared with 22% (n = 16 of 73) success applying CAT (relative risk 4.24 [95% CI 2.74 to 6.57]; p < 0.001). Participants applied LAVA TQ faster (74.1 seconds) than CAT (126 seconds ; p < 0.001) and experienced a greater gain in comfort using LAVA TQ than CAT. CONCLUSIONS The untrained public is 4 times more likely to apply LAVA TQ correctly than CAT. The public also applies LAVA TQ faster than CAT and has more favorable opinions about its usability. LAVA TQ's highly intuitive design and built-in audiovisual guidance solve known problems of layperson education and skill retention and could improve public bleeding control.
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Matsuda J, Yonetsu T, Kato S, Nitta G, Hada Y, Negi K, Kanno Y, Nakao T, Niida T, Matsuda Y, Usui E, Hirasawa K, Umemoto T, Morita H, Inaba O, Matsumura Y, Sasano T. The impact of lesion complexity on predicting mortality of coronary artery disease patients after out-of-hospital cardiac arrest. Intern Emerg Med 2022; 17:1669-1678. [PMID: 35486329 DOI: 10.1007/s11739-022-02986-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 04/05/2022] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Coronary artery disease (CAD) is the most frequent cause of out-of-hospital cardiac arrest (OHCA). Nevertheless, there have been limited studies focusing on the impact of lesion complexity on resuscitated CAD patients. The purpose of the present study was to investigate the association between coronary lesion complexity and the mortality of CAD patients after OHCA. METHODS From pooled database of two centers, which comprised 706 successfully resuscitated OHCA patients, 172 patients undergoing coronary angiography were retrospectively investigated. A total of 148 patients exhibited coronary stenosis on angiogram and were included in the final analysis. Baseline characteristics, pre-and post-hospital care, general status after resuscitation and angiographical findings were compared between the patients who deceased within 30 days and those who survived and the predictors of 30-day mortality were determined. RESULTS Ninety-four patients (63.5%) survived at 30 days. Bystander cardiopulmonary resuscitation (CPR) (Odds ratio (OR) 0.36; 95% confidence interval (CI) 0.14-0.96; P = 0.041), revascularization of coronary stenosis (OR 0.15; 95% CI 0.19-0.86; P < 0.001), GRACE risk score (OR 1.04; 95% CI 1.02-1.05; P < 0.001) and SYNTAX score (OR 1.07; 95% CI 1.01-1.13; P = 0.025) were independent predictors of 30-day mortality. As multiple predictors such as bystander CPR, GRACE score and SYNTAX score were combined, the 30-day mortality gradually deteriorated. CONCLUSIONS In addition to bystander CPR, GRACE score and revascularization, SYNTAX score independently predicted 30-day mortality of CAD patients after OHCA.
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Affiliation(s)
- Junji Matsuda
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan.
| | - Taishi Yonetsu
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Shunichi Kato
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Giichi Nitta
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Yasuaki Hada
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Ken Negi
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Yoshinori Kanno
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Toshihiko Nakao
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Takayuki Niida
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Yuji Matsuda
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Eisuke Usui
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Kensuke Hirasawa
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Tomoyuki Umemoto
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
| | - Hideki Morita
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Osamu Inaba
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Yutaka Matsumura
- Department of Cardiology, Japanese Red Cross Saitama Hospital, Saitama, Japan
| | - Tetsuo Sasano
- Department of Cardiovascular Medicine, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyoku, Tokyo, 113-8510, Japan
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Grenier G, Despatis MA, Lebel K, Hamel M, Martin C, Boissy P. Removal of the cervical collar from alpine rescue protocols? A biomechanical non-inferiority trial in real-life mountain conditions. Scand J Trauma Resusc Emerg Med 2022; 30:42. [PMID: 35761355 PMCID: PMC9235139 DOI: 10.1186/s13049-022-01031-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 06/20/2022] [Indexed: 11/15/2022] Open
Abstract
Background Alpine skiing rescues are challenging because of the mountainous environment and risks of cervical spine motion (CSM) induced during victims’ extrications (EXs) and downhill evacuations (DEs). The benefits of applying a cervical collar (CC) over manual in-line stabilization without CC (MILS) in terms of spinal motion restriction during simulated alpine rescues are undocumented. Our hypothesis was that CSM recorded using MILS alone is non-inferior to CSM recorded with a CC according to a 10 degrees margin.
Methods A total of 32 alpine extrications and 4 downhill evacuations on different slope conditions were performed using a high fidelity mannequin designed with a motion sensors instrumented cervical spine. The primary outcome was the peak extrication 3D excursion angle (Peak 3D θEX,) of the mannequin’s head. The secondary objectives were to describe the time to extrication completion (tEX) and to highlight which extrication manipulation is more likely to induce CSM. Results The median Peak 3D θEX recorded during flat terrain extrications using CC was 10.77° (95% CI 7.31°–16.45°) compared to 13.06° (95% CI 10.20°–30.36°) using MILS, and 16.09° (95% CI 9.07°–37.43°) for CC versus 16.65° (95% CI 13.80°–23.40°) using MILS on a steep slope. Peak 3D θEX with CC or using MILS during extrications were equivalent according to a 10 degrees non-inferiority hypothesis testing (p < 0.05). Time to extrication completion (tEX) was significantly reduced using MILS without CC on a flat terrain with a median duration of 237,3 s (95% CI 197.8 s, 272.2 s) compared to 358.7 s (95% CI 324.1 s, 472.4 s). During downhill evacuations, CSM with and without CC across all terrain conditions were negligible (< 5°). When CC is used; its installation manipulation induces the highest CSM. When EXs are done using MILS without CC, the logroll initiation is the manipulation inducing the highest risk of CSM. Conclusion For experienced ski patrollers, the biomechanical benefits of spinal motion restriction provided by CC over MILS during alpine skiing rescues appear to be marginal and CC use negatively affects rescue time. Supplementary Information The online version contains supplementary material available at 10.1186/s13049-022-01031-3.
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Affiliation(s)
- Guillaume Grenier
- Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Marc-Antoine Despatis
- Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Karina Lebel
- Faculty of Engineering, Department of Electrical and Computing Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.,Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada
| | - Mathieu Hamel
- Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada
| | - Camille Martin
- Faculty of Engineering, Department of Electrical and Computing Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.,Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada
| | - Patrick Boissy
- Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada. .,Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada.
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URFALIOĞLU A. Anafilakside Hastaya Genel Yaklaşım. KAHRAMANMARAŞ SÜTÇÜ İMAM ÜNIVERSITESI TIP FAKÜLTESI DERGISI 2022. [DOI: 10.17517/ksutfd.1086290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Wyckoff MH, Singletary EM, Soar J, Olasveengen TM, Greif R, Liley HG, Zideman D, Bhanji F, Andersen LW, Avis SR, Aziz K, Bendall JC, Berry DC, Borra V, Böttiger BW, Bradley R, Bray JE, Breckwoldt J, Carlson JN, Cassan P, Castrén M, Chang WT, Charlton NP, Cheng A, Chung SP, Considine J, Costa-Nobre DT, Couper K, Dainty KN, Davis PG, de Almeida MF, de Caen AR, de Paiva EF, Deakin CD, Djärv T, Douma MJ, Drennan IR, Duff JP, Eastwood KJ, El-Naggar W, Epstein JL, Escalante R, Fabres JG, Fawke J, Finn JC, Foglia EE, Folke F, Freeman K, Gilfoyle E, Goolsby CA, Grove A, Guinsburg R, Hatanaka T, Hazinski MF, Heriot GS, Hirsch KG, Holmberg MJ, Hosono S, Hsieh MJ, Hung KKC, Hsu CH, Ikeyama T, Isayama T, Kapadia VS, Kawakami MD, Kim HS, Kloeck DA, Kudenchuk PJ, Lagina AT, Lauridsen KG, Lavonas EJ, Lockey AS, Malta Hansen C, Markenson D, Matsuyama T, McKinlay CJD, Mehrabian A, Merchant RM, Meyran D, Morley PT, Morrison LJ, Nation KJ, Nemeth M, Neumar RW, Nicholson T, Niermeyer S, Nikolaou N, Nishiyama C, O'Neil BJ, Orkin AM, Osemeke O, Parr MJ, Patocka C, Pellegrino JL, Perkins GD, Perlman JM, Rabi Y, Reynolds JC, Ristagno G, Roehr CC, Sakamoto T, Sandroni C, Sawyer T, Schmölzer GM, Schnaubelt S, Semeraro F, Skrifvars MB, Smith CM, Smyth MA, Soll RF, Sugiura T, Taylor-Phillips S, Trevisanuto D, Vaillancourt C, Wang TL, Weiner GM, Welsford M, Wigginton J, Wyllie JP, Yeung J, Nolan JP, Berg KM. 2021 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Neonatal Life Support; Education, Implementation, and Teams; First Aid Task Forces; and the COVID-19 Working Group. Resuscitation 2021; 169:229-311. [PMID: 34933747 PMCID: PMC8581280 DOI: 10.1016/j.resuscitation.2021.10.040] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The International Liaison Committee on Resuscitation initiated a continuous review of new, peer-reviewed published cardiopulmonary resuscitation science. This is the fifth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations; a more comprehensive review was done in 2020. This latest summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation task force science experts. Topics covered by systematic reviews in this summary include resuscitation topics of video-based dispatch systems; head-up cardiopulmonary resuscitation; early coronary angiography after return of spontaneous circulation; cardiopulmonary resuscitation in the prone patient; cord management at birth for preterm and term infants; devices for administering positive-pressure ventilation at birth; family presence during neonatal resuscitation; self-directed, digitally based basic life support education and training in adults and children; coronavirus disease 2019 infection risk to rescuers from patients in cardiac arrest; and first aid topics, including cooling with water for thermal burns, oral rehydration for exertional dehydration, pediatric tourniquet use, and methods of tick removal. Members from 6 International Liaison Committee on Resuscitation task forces have assessed, discussed, and debated the quality of the evidence, according to the Grading of Recommendations Assessment, Development, and Evaluation criteria, and their statements include consensus treatment recommendations or good practice statements. Insights into the deliberations of the task forces are provided in Justification and Evidence-to-Decision Framework Highlights sections. In addition, the task forces listed priority knowledge gaps for further research.
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Wyckoff MH, Singletary EM, Soar J, Olasveengen TM, Greif R, Liley HG, Zideman D, Bhanji F, Andersen LW, Avis SR, Aziz K, Bendall JC, Berry DC, Borra V, Böttiger BW, Bradley R, Bray JE, Breckwoldt J, Carlson JN, Cassan P, Castrén M, Chang WT, Charlton NP, Cheng A, Chung SP, Considine J, Costa-Nobre DT, Couper K, Dainty KN, Davis PG, de Almeida MF, de Caen AR, de Paiva EF, Deakin CD, Djärv T, Douma MJ, Drennan IR, Duff JP, Eastwood KJ, El-Naggar W, Epstein JL, Escalante R, Fabres JG, Fawke J, Finn JC, Foglia EE, Folke F, Freeman K, Gilfoyle E, Goolsby CA, Grove A, Guinsburg R, Hatanaka T, Hazinski MF, Heriot GS, Hirsch KG, Holmberg MJ, Hosono S, Hsieh MJ, Hung KKC, Hsu CH, Ikeyama T, Isayama T, Kapadia VS, Kawakami MD, Kim HS, Kloeck DA, Kudenchuk PJ, Lagina AT, Lauridsen KG, Lavonas EJ, Lockey AS, Malta Hansen C, Markenson D, Matsuyama T, McKinlay CJD, Mehrabian A, Merchant RM, Meyran D, Morley PT, Morrison LJ, Nation KJ, Nemeth M, Neumar RW, Nicholson T, Niermeyer S, Nikolaou N, Nishiyama C, O'Neil BJ, Orkin AM, Osemeke O, Parr MJ, Patocka C, Pellegrino JL, Perkins GD, Perlman JM, Rabi Y, Reynolds JC, Ristagno G, Roehr CC, Sakamoto T, Sandroni C, Sawyer T, Schmölzer GM, Schnaubelt S, Semeraro F, Skrifvars MB, Smith CM, Smyth MA, Soll RF, Sugiura T, Taylor-Phillips S, Trevisanuto D, Vaillancourt C, Wang TL, Weiner GM, Welsford M, Wigginton J, Wyllie JP, Yeung J, Nolan JP, Berg KM. 2021 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Neonatal Life Support; Education, Implementation, and Teams; First Aid Task Forces; and the COVID-19 Working Group. Circulation 2021; 145:e645-e721. [PMID: 34813356 DOI: 10.1161/cir.0000000000001017] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The International Liaison Committee on Resuscitation initiated a continuous review of new, peer-reviewed published cardiopulmonary resuscitation science. This is the fifth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations; a more comprehensive review was done in 2020. This latest summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation task force science experts. Topics covered by systematic reviews in this summary include resuscitation topics of video-based dispatch systems; head-up cardiopulmonary resuscitation; early coronary angiography after return of spontaneous circulation; cardiopulmonary resuscitation in the prone patient; cord management at birth for preterm and term infants; devices for administering positive-pressure ventilation at birth; family presence during neonatal resuscitation; self-directed, digitally based basic life support education and training in adults and children; coronavirus disease 2019 infection risk to rescuers from patients in cardiac arrest; and first aid topics, including cooling with water for thermal burns, oral rehydration for exertional dehydration, pediatric tourniquet use, and methods of tick removal. Members from 6 International Liaison Committee on Resuscitation task forces have assessed, discussed, and debated the quality of the evidence, according to the Grading of Recommendations Assessment, Development, and Evaluation criteria, and their statements include consensus treatment recommendations or good practice statements. Insights into the deliberations of the task forces are provided in Justification and Evidence-to-Decision Framework Highlights sections. In addition, the task forces listed priority knowledge gaps for further research.
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Charlton N, Schuler K, Ho CH, Hatten J, Woods WA, Goolsby C. Provider Fatigue During Direct Manual Compression for Life-Threatening Bleeding. Cureus 2021; 13:e17487. [PMID: 34603872 PMCID: PMC8476202 DOI: 10.7759/cureus.17487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2021] [Indexed: 11/25/2022] Open
Abstract
Introduction Trauma is a leading cause of death throughout the world, with hemorrhage being responsible for more than 35% of pre-hospital trauma deaths and more than 40% of deaths within the first 24 hours after injury. Despite first aid having a demonstrable effect on mortality from trauma, relatively little research has compared the best methods for bleeding control in the prehospital first aid setting. The most common first-line therapy for external bleeding control in the pre-hospital first aid setting is direct manual compression (DMC). However, a prior study demonstrated that the primary cause of failure in a simulated model of life-threatening bleeding was the inability to maintain adequate direct pressure for three minutes. In this study, we evaluated the effect of fatigue on DMC for the duration of a typical urban emergency medical services (EMS) response time. Methods We conducted a prospective observational trial of 33 participants, 18 years of age or older to measure the pressure generated on a model of life-threatening bleeding over an eight-minute period using a “CPR posture” for applying pressure. The primary analyses were longitudinal two-level multilevel models (MLM) with repeated measures of outcome (i.e., CPR posture pressure) nesting within participants. The demographic factors of gender, age, and weight were included as moderators in the analyses and each was analyzed independently. Results The participants’ average age was 31 (SD = 11) and the average weight was 161 pounds (SD = 31). The sample consisted of 18 female participants (54.5%) and 15 male participants (45.5%). Applied DMC pressure declined over time, more sharply initially from the beginning to approximately 250 seconds, at which point the decrease in pressure was gradual. Of the demographic factors, gender was associated with a difference in cardiopulmonary resuscitation (CPR) posture pressure over time. Conclusion Rescuers should be aware that fatigue may occur and may affect the quality of direct manual compression for control of life-threatening bleeding. Further research is needed to define the external pressures needed to control life-threatening bleeding and the extent that rescuer fatigue affects this pressure.
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Affiliation(s)
- Nathan Charlton
- Emergency Medicine, University of Virginia, Charlottesville, USA
| | - Keke Schuler
- Emergency Medicine, National Center for Disaster Medicine and Public Health, Bethesda, USA
| | - Chi H Ho
- Public Health Sciences, University of Virginia, Charlottesville, USA
| | - James Hatten
- Emergency Medicine, University of Virginia, Charlottesville, USA
| | - William A Woods
- Emergency Medicine, University of Virginia, Charlottesville, USA
| | - Craig Goolsby
- Military & Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, USA
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Avau B, Van Remoortel H, De Buck E. Translation and validation of PubMed and Embase search filters for identification of systematic reviews, intervention studies, and observational studies in the field of first aid. J Med Libr Assoc 2021; 109:599-608. [PMID: 34858089 PMCID: PMC8608173 DOI: 10.5195/jmla.2021.1219] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Objective The aim of this project was to validate search filters for systematic reviews, intervention studies, and observational studies translated from Ovid MEDLINE and Embase syntax and used for searches in PubMed and Embase.com during the development of evidence summaries supporting first aid guidelines. We aimed to achieve a balance among recall, specificity, precision, and number needed to read (NNR). Methods Reference gold standards were constructed per study type derived from existing evidence summaries. Search filter performance was assessed through retrospective searches and measurement of relative recall, specificity, precision, and NNR when using the translated search filters. Where necessary, search filters were optimized. Adapted filters were validated in separate validation gold standards. Results Search filters for systematic reviews and observational studies reached recall of ≥85% in both PubMed and Embase. Corresponding specificities for systematic review filters were ≥96% in both databases, with a precision of 9.7% (NNR 10) in PubMed and 5.4% (NNR 19) in Embase. For observational study filters, specificity, precision, and NNR were 68%, 2%, and 51 in PubMed and 47%, 0.8%, and 123 in Embase, respectively. These filters were considered sufficiently effective. Search filters for intervention studies reached a recall of 85% and 83% in PubMed and Embase, respectively. Optimization led to recall of ≥95% with specificity, precision, and NNR of 49%, 1.3%, and 79 in PubMed and 56%, 0.74%, and 136 in Embase, respectively. Conclusions We report validated filters to search for systematic reviews, observational studies, and intervention studies in guideline projects in PubMed and Embase.com.
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Affiliation(s)
- Bert Avau
- , Centre for Evidence-Based Practice, Belgian Red Cross, Mechelen, Belgium
| | - Hans Van Remoortel
- , Centre for Evidence-Based Practice, Belgian Red Cross, Mechelen, Belgium
| | - Emmy De Buck
- , Centre for Evidence-Based Practice, Belgian Red Cross, Mechelen, Belgium; Department of Public Health and Primary Care, Faculty of Medicine, KU Leuven, Leuven, Belgium; Cochrane First Aid, Mechelen, Belgium
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Lim SH, Chee TS, Wee FC, Tan SH, Loke JH, Leong BSH. Singapore Basic Cardiac Life Support and Automated External Defibrillation Guidelines 2021. Singapore Med J 2021; 62:415-423. [PMID: 35001107 PMCID: PMC8804482 DOI: 10.11622/smedj.2021108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/18/2023]
Abstract
Basic Cardiac Life Support and Automated External Defibrillation (BCLS+AED) refers to the skills required in resuscitating cardiac arrest casualties. On recognising cardiac arrest, the rescuer should call for '995' for Emergency Ambulance and immediately initiate chest compressions. Good-quality chest compressions are performed with arms extended, elbows locked, shoulders directly perpendicular over the casualty's chest, and the heel of the palm placed on the lower half of the sternum. The rescuer compresses hard and fast at 4-6 cm depth for adults at a compression rate of 100-120 per minute, with complete chest recoil after each compression. Two quick ventilations of 400-600 mL each can be delivered via a bag-valve-mask after every 30 chest compressions. Alternatively, a trained, able and willing rescuer can provide mouth-to-mouth ventilation. Cardiopulmonary resuscitation should be stopped only when the casualty wakes up, the emergency team takes over care, or when an automated external defibrillator prompts for heart rhythm analysis or delivery of a shock.
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Affiliation(s)
- Swee Han Lim
- Department of Emergency Medicine, Singapore General Hospital, Singapore
| | - Tek Siong Chee
- Chee Heart Specialists Clinic, Parkway East Medical Centre, Singapore
| | - Fong Chi Wee
- Nursing Service, Tan Tock Seng Hospital, Singapore
| | - Siew Hong Tan
- School of Health and Social Sciences, Nanyang Polytechnic, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Jun Hao Loke
- Singapore Resuscitation and First Aid Council, Unit for Pre-hospital Emergency Care, Singapore
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Lott C, Truhlář A, Alfonzo A, Barelli A, González-Salvado V, Hinkelbein J, Nolan JP, Paal P, Perkins GD, Thies KC, Yeung J, Zideman DA, Soar J. [Cardiac arrest under special circumstances]. Notf Rett Med 2021; 24:447-523. [PMID: 34127910 PMCID: PMC8190767 DOI: 10.1007/s10049-021-00891-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/19/2021] [Indexed: 01/10/2023]
Abstract
These guidelines of the European Resuscitation Council (ERC) Cardiac Arrest under Special Circumstances are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the modifications required for basic and advanced life support for the prevention and treatment of cardiac arrest under special circumstances; in particular, specific causes (hypoxia, trauma, anaphylaxis, sepsis, hypo-/hyperkalaemia and other electrolyte disorders, hypothermia, avalanche, hyperthermia and malignant hyperthermia, pulmonary embolism, coronary thrombosis, cardiac tamponade, tension pneumothorax, toxic agents), specific settings (operating room, cardiac surgery, cardiac catheterization laboratory, dialysis unit, dental clinics, transportation [in-flight, cruise ships], sport, drowning, mass casualty incidents), and specific patient groups (asthma and chronic obstructive pulmonary disease, neurological disease, morbid obesity, pregnancy).
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Affiliation(s)
- Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Deutschland
| | - Anatolij Truhlář
- Emergency Medical Services of the Hradec Králové Region, Hradec Králové, Tschechien
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital Hradec Králové, Charles University in Prague, Hradec Králové, Tschechien
| | - Anette Alfonzo
- Departments of Renal and Internal Medicine, Victoria Hospital, Kirkcaldy, Fife Großbritannien
| | - Alessandro Barelli
- Anaesthesiology and Intensive Care, Teaching and research Unit, Emergency Territorial Agency ARES 118, Catholic University School of Medicine, Rom, Italien
| | - Violeta González-Salvado
- Cardiology Department, University Clinical Hospital of Santiago de Compostela, Institute of Health Research of Santiago de Compostela (IDIS), Biomedical Research Networking Centres on Cardiovascular Disease (CIBER-CV), A Coruña, Spanien
| | - Jochen Hinkelbein
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Köln, Deutschland
| | - Jerry P. Nolan
- Resuscitation Medicine, Warwick Medical School, University of Warwick, CV4 7AL Coventry, Großbritannien
- Anaesthesia and Intensive Care Medicine, Royal United Hospital, BA1 3NG Bath, Großbritannien
| | - Peter Paal
- Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Österreich
| | - Gavin D. Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, Großbritannien
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, Großbritannien
| | - Karl-Christian Thies
- Dep. of Anesthesiology and Critical Care, Bethel Evangelical Hospital, University Medical Center OLW, Bielefeld University, Bielefeld, Deutschland
| | - Joyce Yeung
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, Großbritannien
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, Großbritannien
| | | | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, Großbritannien
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Van de Voorde P, Turner NM, Djakow J, de Lucas N, Martinez-Mejias A, Biarent D, Bingham R, Brissaud O, Hoffmann F, Johannesdottir GB, Lauritsen T, Maconochie I. [Paediatric Life Support]. Notf Rett Med 2021; 24:650-719. [PMID: 34093080 PMCID: PMC8170638 DOI: 10.1007/s10049-021-00887-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/19/2021] [Indexed: 12/11/2022]
Abstract
The European Resuscitation Council (ERC) Paediatric Life Support (PLS) guidelines are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations of the International Liaison Committee on Resuscitation (ILCOR). This section provides guidelines on the management of critically ill or injured infants, children and adolescents before, during and after respiratory/cardiac arrest.
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Affiliation(s)
- Patrick Van de Voorde
- Department of Emergency Medicine, Faculty of Medicine UG, Ghent University Hospital, Gent, Belgien
- Federal Department of Health, EMS Dispatch Center, East & West Flanders, Brüssel, Belgien
| | - Nigel M. Turner
- Paediatric Cardiac Anesthesiology, Wilhelmina Children’s Hospital, University Medical Center, Utrecht, Niederlande
| | - Jana Djakow
- Paediatric Intensive Care Unit, NH Hospital, Hořovice, Tschechien
- Paediatric Anaesthesiology and Intensive Care Medicine, University Hospital Brno, Medical Faculty of Masaryk University, Brno, Tschechien
| | | | - Abel Martinez-Mejias
- Department of Paediatrics and Emergency Medicine, Hospital de Terassa, Consorci Sanitari de Terrassa, Barcelona, Spanien
| | - Dominique Biarent
- Paediatric Intensive Care & Emergency Department, Hôpital Universitaire des Enfants, Université Libre de Bruxelles, Brüssel, Belgien
| | - Robert Bingham
- Hon. Consultant Paediatric Anaesthetist, Great Ormond Street Hospital for Children, London, Großbritannien
| | - Olivier Brissaud
- Réanimation et Surveillance Continue Pédiatriques et Néonatales, CHU Pellegrin – Hôpital des Enfants de Bordeaux, Université de Bordeaux, Bordeaux, Frankreich
| | - Florian Hoffmann
- Pädiatrische Intensiv- und Notfallmedizin, Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, Ludwig-Maximilians-Universität, München, Deutschland
| | | | - Torsten Lauritsen
- Paediatric Anaesthesia, The Juliane Marie Centre, University Hospital of Copenhagen, Kopenhagen, Dänemark
| | - Ian Maconochie
- Paediatric Emergency Medicine, Faculty of Medicine Imperial College, Imperial College Healthcare Trust NHS, London, Großbritannien
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Perkins GD, Gräsner JT, Semeraro F, Olasveengen T, Soar J, Lott C, Van de Voorde P, Madar J, Zideman D, Mentzelopoulos S, Bossaert L, Greif R, Monsieurs K, Svavarsdóttir H, Nolan JP. [Executive summary]. Notf Rett Med 2021; 24:274-345. [PMID: 34093077 PMCID: PMC8170635 DOI: 10.1007/s10049-021-00883-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/19/2021] [Indexed: 02/06/2023]
Abstract
Informed by a series of systematic reviews, scoping reviews and evidence updates from the International Liaison Committee on Resuscitation, the 2021 European Resuscitation Council Guidelines present the most up to date evidence-based guidelines for the practice of resuscitation across Europe. The guidelines cover the epidemiology of cardiac arrest; the role that systems play in saving lives, adult basic life support, adult advanced life support, resuscitation in special circumstances, post resuscitation care, first aid, neonatal life support, paediatric life support, ethics and education.
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Affiliation(s)
- Gavin D. Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, CV4 7AL Coventry, Großbritannien
- University Hospitals Birmingham, B9 5SS Birmingham, Großbritannien
| | - Jan-Thorsten Gräsner
- Institute for Emergency Medicine, University Hospital Schleswig-Holstein, Kiel, Deutschland
| | - Federico Semeraro
- Department of Anaesthesia, Intensive Care and Emergency Medical Services, Maggiore Hospital, Bologna, Italien
| | - Theresa Olasveengen
- Department of Anesthesiology, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norwegen
| | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, BS10 5NB Bristol, Großbritannien
| | - Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Deutschland
| | - Patrick Van de Voorde
- Department of Emergency Medicine, Faculty of Medicine, Ghent University, Gent, Belgien
- Federal Department of Health, EMS Dispatch Center, East-West Flanders, Gent, Belgien
| | - John Madar
- Department of Neonatology, University Hospitals Plymouth, Plymouth, Großbritannien
| | - David Zideman
- Thames Valley Air Ambulance, Stokenchurch, Großbritannien
| | | | | | - Robert Greif
- Department of Anaesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Schweiz
- School of Medicine, Sigmund Freud University Vienna, Wien, Österreich
| | - Koen Monsieurs
- Department of Emergency Medicine, Antwerp University Hospital and University of Antwerp, Antwerpen, Belgien
| | | | - Jerry P. Nolan
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, CV4 7AL Coventry, Großbritannien
- Royal United Hospital, BA1 3NG Bath, Großbritannien
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Erste Hilfe. Notf Rett Med 2021. [DOI: 10.1007/s10049-021-00886-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zideman DA, Singletary EM, Borra V, Cassan P, Cimpoesu CD, De Buck E, Djärv T, Handley AJ, Klaassen B, Meyran D, Oliver E, Poole K. European Resuscitation Council Guidelines 2021: First aid. Resuscitation 2021; 161:270-290. [PMID: 33773828 DOI: 10.1016/j.resuscitation.2021.02.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The European Resuscitation Council has produced these first aid guidelines, which are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. The topics include the first aid management of emergency medicine and trauma. For medical emergencies the following content is covered: recovery position, optimal positioning for shock, bronchodilator administration for asthma, recognition of stroke, early aspirin for chest pain, second dose of adrenaline for anaphylaxis, management of hypoglycaemia, oral rehydration solutions for treating exertion-related dehydration, management of heat stroke by cooling, supplemental oxygen in acute stroke, and presyncope. For trauma related emergencies the following topics are covered: control of life-threatening bleeding, management of open chest wounds, cervical spine motion restriction and stabilisation, recognition of concussion, cooling of thermal burns, dental avulsion, compression wrap for closed extremity joint injuries, straightening an angulated fracture, and eye injury from chemical exposure.
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Affiliation(s)
| | | | - Vere Borra
- Centre for Evidence-based Practice, Belgian Red Cross, Mechelen, Belgium; Cochrane First Aid, Mechelen, Belgium
| | - Pascal Cassan
- International Federation of Red Cross and Red Crescent, France
| | - Carmen D Cimpoesu
- University of Medicine and Pharmacy "Grigore T. Popa", Iasi, Emergency Department and Prehospital EMS SMURD Iasi Emergency County Hospital "Sf. Spiridon" Iasi, Romania
| | - Emmy De Buck
- Centre for Evidence-based Practice, Belgian Red Cross, Mechelen, Belgium; Cochrane First Aid, Mechelen, Belgium; Department of Public Health and Primary Care, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Therese Djärv
- Department of Medicine Solna, Karolinska Institute and Division of Acute and Reparative Medicine, Karolinska University Hospital, Sweden
| | | | - Barry Klaassen
- Emergency Medicine, Ninewells Hospital and Medical School Dundee, UK; British Red Cross, UK
| | - Daniel Meyran
- French Red Cross, Bataillon de Marins Pompiers de Marseille, France
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21
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Van de Voorde P, Turner NM, Djakow J, de Lucas N, Martinez-Mejias A, Biarent D, Bingham R, Brissaud O, Hoffmann F, Johannesdottir GB, Lauritsen T, Maconochie I. European Resuscitation Council Guidelines 2021: Paediatric Life Support. Resuscitation 2021; 161:327-387. [PMID: 33773830 DOI: 10.1016/j.resuscitation.2021.02.015] [Citation(s) in RCA: 170] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
These European Resuscitation Council Paediatric Life Support (PLS) guidelines, are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the management of critically ill infants and children, before, during and after cardiac arrest.
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Affiliation(s)
- Patrick Van de Voorde
- Department of Emergency Medicine Ghent University Hospital, Faculty of Medicine UG, Ghent, Belgium; EMS Dispatch Center, East & West Flanders, Federal Department of Health, Belgium.
| | - Nigel M Turner
- Paediatric Cardiac Anesthesiology, Wilhelmina Children's Hospital, University Medical Center, Utrecht, Netherlands
| | - Jana Djakow
- Paediatric Intensive Care Unit, NH Hospital, Hořovice, Czech Republic; Paediatric Anaesthesiology and Intensive Care Medicine, University Hospital Brno, Medical Faculty of Masaryk University, Brno, Czech Republic
| | | | - Abel Martinez-Mejias
- Department of Paediatrics and Emergency Medicine, Hospital de Terassa, Consorci Sanitari de Terrassa, Barcelona, Spain
| | - Dominique Biarent
- Paediatric Intensive Care & Emergency Department, Hôpital Universitaire des Enfants, Université Libre de Bruxelles, Brussels, Belgium
| | - Robert Bingham
- Hon. Consultant Paediatric Anaesthetist, Great Ormond Street Hospital for Children, London, UK
| | - Olivier Brissaud
- Réanimation et Surveillance Continue Pédiatriques et Néonatales, CHU Pellegrin - Hôpital des Enfants de Bordeaux, Université de Bordeaux, Bordeaux, France
| | - Florian Hoffmann
- Paediatric Intensive Care and Emergency Medicine, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-University, Munich, Germany
| | | | - Torsten Lauritsen
- Paediatric Anaesthesia, The Juliane Marie Centre, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Ian Maconochie
- Paediatric Emergency Medicine, Imperial College Healthcare Trust NHS, Faculty of Medicine Imperial College, London, UK
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22
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Lott C, Truhlář A, Alfonzo A, Barelli A, González-Salvado V, Hinkelbein J, Nolan JP, Paal P, Perkins GD, Thies KC, Yeung J, Zideman DA, Soar J. European Resuscitation Council Guidelines 2021: Cardiac arrest in special circumstances. Resuscitation 2021; 161:152-219. [PMID: 33773826 DOI: 10.1016/j.resuscitation.2021.02.011] [Citation(s) in RCA: 314] [Impact Index Per Article: 104.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
These European Resuscitation Council (ERC) Cardiac Arrest in Special Circumstances guidelines are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the modifications required to basic and advanced life support for the prevention and treatment of cardiac arrest in special circumstances; specifically special causes (hypoxia, trauma, anaphylaxis, sepsis, hypo/hyperkalaemia and other electrolyte disorders, hypothermia, avalanche, hyperthermia and malignant hyperthermia, pulmonary embolism, coronary thrombosis, cardiac tamponade, tension pneumothorax, toxic agents), special settings (operating room, cardiac surgery, catheter laboratory, dialysis unit, dental clinics, transportation (in-flight, cruise ships), sport, drowning, mass casualty incidents), and special patient groups (asthma and COPD, neurological disease, obesity, pregnancy).
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Affiliation(s)
- Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-University Mainz, Germany.
| | - Anatolij Truhlář
- Emergency Medical Services of the Hradec Králové Region, Hradec Králové, Czech Republic; Department of Anaesthesiology and Intensive Care Medicine, Charles University in Prague, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Annette Alfonzo
- Departments of Renal and Internal Medicine, Victoria Hospital, Kirkcaldy, Fife, UK
| | - Alessandro Barelli
- Anaesthesiology and Intensive Care, Catholic University School of Medicine, Teaching and Research Unit, Emergency Territorial Agency ARES 118, Rome, Italy
| | - Violeta González-Salvado
- Cardiology Department, University Clinical Hospital of Santiago de Compostela, Institute of Health Research of Santiago de Compostela (IDIS), Biomedical Research Networking Centres on Cardiovascular Disease (CIBER-CV), A Coruña, Spain
| | - Jochen Hinkelbein
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Cologne, Germany
| | - Jerry P Nolan
- Resuscitation Medicine, University of Warwick, Warwick Medical School, Coventry, CV4 7AL, UK; Anaesthesia and Intensive Care Medicine, Royal United Hospital, Bath, BA1 3NG, UK
| | - Peter Paal
- Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Gavin D Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK; University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Karl-Christian Thies
- Department of Anesthesiology, Critical Care and Emergency Medicine, Bethel Medical Centre, OWL University Hospitals, Bielefeld University, Germany
| | - Joyce Yeung
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK; University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | | | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, UK
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23
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Perkins GD, Graesner JT, Semeraro F, Olasveengen T, Soar J, Lott C, Van de Voorde P, Madar J, Zideman D, Mentzelopoulos S, Bossaert L, Greif R, Monsieurs K, Svavarsdóttir H, Nolan JP. European Resuscitation Council Guidelines 2021: Executive summary. Resuscitation 2021; 161:1-60. [PMID: 33773824 DOI: 10.1016/j.resuscitation.2021.02.003] [Citation(s) in RCA: 243] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Informed by a series of systematic reviews, scoping reviews and evidence updates from the International Liaison Committee on Resuscitation, the 2021 European Resuscitation Council Guidelines present the most up to date evidence-based guidelines for the practice of resuscitation across Europe. The guidelines cover the epidemiology of cardiac arrest; the role that systems play in saving lives, adult basic life support, adult advanced life support, resuscitation in special circumstances, post resuscitation care, first aid, neonatal life support, paediatric life support, ethics and education.
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Affiliation(s)
- Gavin D Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; University Hospitals Birmingham, Birmingham, B9 5SS, UK.
| | - Jan-Thorsen Graesner
- University Hospital Schleswig-Holstein, Institute for Emergency Medicine, Kiel, Germany
| | - Federico Semeraro
- Department of Anaesthesia, Intensive Care and Emergency Medical Services, Maggiore Hospital, Bologna, Italy
| | - Theresa Olasveengen
- Department of Anesthesiology, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Norway
| | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, BS10 5NB, UK
| | - Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-University Mainz, Germany
| | - Patrick Van de Voorde
- Department of Emergency Medicine, Faculty of Medicine Ghent University, Ghent, Belgium; EMS Dispatch Center, East-West Flanders, Federal Department of Health, Belgium
| | - John Madar
- Department of Neonatology, University Hospitals Plymouth, Plymouth, UK
| | | | | | | | - Robert Greif
- Department of Anaesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland; School of Medicine, Sigmund Freud University Vienna, Vienna, Austria
| | - Koen Monsieurs
- Department of Emergency Medicine, Antwerp University Hospital and University of Antwerp, Belgium
| | | | - Jerry P Nolan
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK; Royal United Hospital, Bath BA1 3NG, UK
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24
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Nolan JP, Ornato JP, Parr MJA, Perkins GD, Soar J. Resuscitation highlights in 2020. Resuscitation 2021; 162:1-10. [PMID: 33577963 DOI: 10.1016/j.resuscitation.2021.01.037] [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: 01/31/2021] [Accepted: 01/31/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND This review is the latest in a series of regular annual reviews undertaken by the editors and aims to highlight some of the key papers published in Resuscitation during 2020. The number of papers submitted to the Journal in 2020 increased by 25% on the previous year.MethodsHand-searching by the editors of all papers published in Resuscitation during 2020. Papers were selected based on then general interest and novelty and were categorised into general themes.ResultsA total of 103 papers were selected for brief mention in this review.ConclusionsResuscitation science continues to evolve rapidly and incorporate all links in the chain of survival.
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Affiliation(s)
- J P Nolan
- University of Warwick, Warwick Medical School, Coventry, CV4 7AL, UK; Anaesthesia and Intensive Care Medicine, Royal United Hospital, Bath, BA1 3NG, UK.
| | - J P Ornato
- Department of Emergency Medicine, Virginia Commonwealth University Health, Richmond, VA, USA.
| | - M J A Parr
- Intensive Care, Liverpool and Macquarie University Hospitals, University of New South Wales and Macquarie University, Sydney, Australia.
| | - G D Perkins
- Critical Care Medicine, University of Warwick, Warwick Medical School and University Hospitals Birmingham NHS Foundation Trust, Coventry, CV4 7AL, UK.
| | - J Soar
- Anaesthesia and Intensive Care Medicine, Southmead Hospital, North Bristol NHS Trust, Bristol, BS10 5NB, UK.
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