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Kawakami S, Tahara Y, Noguchi T, Yasuda S, Koga H, Nishi JI, Yonemoto N, Nonogi H, Ikeda T. Association between defibrillation-to-adrenaline interval and short-term outcomes in patients with out-of-hospital cardiac arrest and an initial shockable rhythm. Resusc Plus 2024; 18:100651. [PMID: 38711911 PMCID: PMC11070920 DOI: 10.1016/j.resplu.2024.100651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/19/2024] [Accepted: 04/23/2024] [Indexed: 05/08/2024] Open
Abstract
Aim The optimal timing of adrenaline administration after defibrillation in patients with out-of-hospital cardiac arrest (OHCA) and an initial shockable rhythm is unknown. We investigated the association between the defibrillation-to-adrenaline interval and clinical outcomes. Methods Between 2011 and 2020, we enrolled 1,259,960 patients with OHCA into a nationwide prospective population-based registry in Japan. After applying exclusion criteria, 20,905 patients with an initial shockable rhythm documented at emergency medical services (EMS) arrival who received adrenaline after defibrillation were eligible for this study. Multivariable logistic regression analysis was used to predict favourable short-term outcomes: prehospital return of spontaneous circulation (ROSC), 30-day survival, or a favourable neurological outcome (Cerebral Performance Category 1 or 2) at 30 days. Patients were categorised into 2-minute defibrillation-to-adrenaline intervals up to 18 min, or more than 18 min. Results At 30 days, 1,618 patients (8%) had a favourable neurological outcome. The defibrillation-to-adrenaline interval in these patients was significantly shorter than in patients with an unfavourable neurological outcome [8 (5-12) vs 11 (7-16) minutes; P < 0.001]. The proportion of patients with prehospital ROSC, 30-day survival, or a favourable neurological outcome at 30 days decreased as the defibrillation-to-adrenaline interval increased (P < 0.001 for trend). Multivariable analysis revealed that a defibrillation-to-adrenaline interval of > 6 min was an independent predictor of worse prehospital ROSC, 30-day survival, or neurological outcome at 30 days when compared with an interval of 4-6 min. Conclusion A longer defibrillation-to-adrenaline interval was significantly associated with worse short-term outcomes in patients with OHCA and an initial shockable rhythm.
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Affiliation(s)
- Shoji Kawakami
- Department of Cardiology, Aso Iizuka Hospital, Fukuoka, Japan
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Yoshio Tahara
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Teruo Noguchi
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Satoshi Yasuda
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hidenobu Koga
- Clinical Research Support Office, Aso Iizuka Hospital, Fukuoka, Japan
| | | | - Naohiro Yonemoto
- Department of Public Health, Juntendo University School of Medicine, Tokyo, Japan
| | - Hiroshi Nonogi
- Faculty of Health Science, Osaka Aoyama University, Minoo, Japan
| | - Takanori Ikeda
- Department of Cardiovascular Medicine, Toho University Faculty of Medicine, Tokyo, Japan
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Garcia SI, Seelhammer TG, Saddoughi SA, Finch AS, Park JG, Wieruszewski PM. Cumulative epinephrine dose during cardiac arrest and neurologic outcome after extracorporeal cardiopulmonary resuscitation. Am J Emerg Med 2024; 80:61-66. [PMID: 38507848 DOI: 10.1016/j.ajem.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/16/2024] [Accepted: 03/11/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Epinephrine is recommended without an apparent ceiling dosage during cardiac arrest. However, excessive alpha- and beta-adrenergic stimulation may contribute to unnecessarily high aortic afterload, promote post-arrest myocardial dysfunction, and result in cerebral microvascular insufficiency in patients receiving extracorporeal cardiopulmonary resuscitation (ECPR). METHODS This was a retrospective cohort study of adults (≥ 18 years) who received ECPR at large academic ECMO center from 2018 to 2022. Patients were grouped based on the amount of epinephrine given during cardiac arrest into low (≤ 3 mg) and high (> 3 mg) groups. The primary endpoint was neurologic outcome at hospital discharge, defined by cerebral performance category (CPC). Multivariable logistic regression was used to assess the relationship between cumulative epinephrine dosage during arrest and neurologic outcome. RESULTS Among 51 included ECPR cases, the median age of patients was 60 years, and 55% were male. The mean cumulative epinephrine dose administered during arrest was 6.2 mg but ranged from 0 to 24 mg. There were 18 patients in the low-dose (≤ 3 mg) and 25 patients in the high-dose (> 3 mg) epinephrine groups. Favorable neurologic outcome at discharge was significantly greater in the low-dose (55%) compared to the high-dose (24%) group (p = 0.025). After adjusting for age, those who received higher doses of epinephrine during the arrest were more likely to have unfavorable neurologic outcomes at hospital discharge (odds ratio 4.6, 95% CI 1.3, 18.0, p = 0.017). CONCLUSION After adjusting for age, cumulative epinephrine doses above 3 mg during cardiac arrest may be associated with unfavorable neurologic outcomes after ECPR and require further investigation.
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Affiliation(s)
- Samuel I Garcia
- Department of Pulmonary, Critical Care and Sleep Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
| | - Troy G Seelhammer
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
| | - Sahar A Saddoughi
- Division of Thoracic Surgery, Department of Surgery, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; Department of Cardiovascular Surgery, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
| | - Alexander S Finch
- Department of Emergency Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
| | - John G Park
- Department of Pulmonary, Critical Care and Sleep Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
| | - Patrick M Wieruszewski
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; Department of Pharmacy, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
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3
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Chander S, Parkash O, Luhana S, Lohana AC, Sadarat F, Sapna F, Raja F, Rahaman Z, Mohammed YN, Shiwlani S, Kiran N, Wang HY, Tan S, Kumari R. Mortality, morbidity & clinical outcome with different types of vasopressors in out of hospital cardiac arrest patients- a systematic review and meta-analysis. BMC Cardiovasc Disord 2024; 24:283. [PMID: 38816786 PMCID: PMC11137957 DOI: 10.1186/s12872-024-03962-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 05/26/2024] [Indexed: 06/01/2024] Open
Abstract
BACKGROUND & OBJECTIVE Despite their continued use, the effectiveness and safety of vasopressors in post-cardiac arrest patients remain controversial. This study examined the efficacy of various vasopressors in cardiac arrest patients in terms of clinical, morbidity, and mortality outcomes. METHODS A comprehensive literature search was performed using online databases (MeSH terms: MEDLINE (Ovid), CENTRAL (Cochrane Library), Embase (Ovid), CINAHL, Scopus, and Google Scholar) from 1997 to 2023 for relevant English language studies. The primary outcomes of interest for this study included short-term survival leading to death, return of spontaneous circulation (ROSC), survival to hospital discharge, neurological outcomes, survival to hospital admission, myocardial infarction, and incidence of arrhythmias. RESULTS In this meta-analysis, 26 studies, including 16 RCTs and ten non-RCTs, were evaluated. The focus was on the efficacy of epinephrine, vasopressin, methylprednisolone, dopamine, and their combinations in medical emergencies. Epinephrine treatment was associated with better odds of survival to hospital discharge (OR = 1.52, 95%CI [1.20, 1.94]; p < 0.001) and achieving ROSC (OR = 3.60, 95% CI [3.45, 3.76], P < 0.00001)) over placebo but not in other outcomes of interest such as short-term survival/ death at 28-30 days, survival to hospital admission, or neurological function. In addition, our analysis indicates non-superiority of vasopressin or epinephrine vasopressin-plus-epinephrine therapy over epinephrine monotherapy except for survival to hospital admission where the combinatorial therapy was associated with better outcome (0.76, 95%CI [0.64, 0.92]; p = 0.004). Similarly, we noted the non-superiority of vasopressin-plus-methylprednisolone versus placebo. Finally, while higher odds of survival to hospital discharge (OR = 3.35, 95%CI [1.81, 6.2]; p < 0.001) and ROSC (OR = 2.87, 95%CI [1.97, 4.19]; p < 0.001) favoring placebo over VSE therapy were observed, the risk of lethal arrhythmia was not statistically significant. There was insufficient literature to assess the effects of dopamine versus other treatment modalities meta-analytically. CONCLUSION This meta-analysis indicated that only epinephrine yielded superior outcomes among vasopressors than placebo, albeit limited to survival to hospital discharge and ROSC. Additionally, we demonstrate the non-superiority of vasopressin over epinephrine, although vasopressin could not be compared to placebo due to the paucity of data. The addition of vasopressin to epinephrine treatment only improved survival to hospital admission.
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Affiliation(s)
- Subhash Chander
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Om Parkash
- Department of Medicine, Montefiore Medical Center, Bronx, NY, USA
| | - Sindhu Luhana
- Department of Medicine, AGA khan University Hospital, Karachi, Pakistan
| | - Abhi Chand Lohana
- Department of Medicine, Western Michigan University, Kalamazoo, WV, USA
| | - Fnu Sadarat
- Department of Medicine, University at Buffalo, Buffalo, NY, USA
| | - Fnu Sapna
- Department of Pathology, Montefiore Medical Center, Bronx, NY, USA
| | - Fnu Raja
- Department of Pathology, MetroHealth Hospital, Cleveland, OH, USA
| | - Zubair Rahaman
- Department of Medicine, University at Buffalo, Buffalo, NY, USA
| | | | - Sheena Shiwlani
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nfn Kiran
- Department of Pathology, Northwell Health Hospital, New York, NY, USA
| | - Hong Yu Wang
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sam Tan
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Roopa Kumari
- Department of Pathology, Icahn School of Medicine, Mount Sinai, New York, NY, USA
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Gerecht RB, Nable JV. Out-of-Hospital Cardiac Arrest. Cardiol Clin 2024; 42:317-331. [PMID: 38631798 DOI: 10.1016/j.ccl.2024.02.014] [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] [Indexed: 04/19/2024]
Abstract
Survival from out-of-hospital cardiac arrest (OHCA) is predicated on a community and system-wide approach that includes rapid recognition of cardiac arrest, capable bystander CPR, effective basic and advanced life support (BLS and ALS) by EMS providers, and coordinated postresuscitation care. Management of these critically ill patients continues to evolve. This article focuses on the management of OHCA by EMS providers.
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Affiliation(s)
- Ryan B Gerecht
- District of Columbia Fire and EMS Department, MedStar Washington Hospital Center, 110 Irving Street Northwest, Washington, DC 20010, USA
| | - Jose V Nable
- Georgetown University School of Medicine, Georgetown EMS, MedStar Georgetown University Hospital, 3800 Reservoir Road Northwest, Washington, DC 20007, USA.
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5
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Singh A, Heeney M, Montgomery ME. The Pharmacologic Management of Cardiac Arrest. Cardiol Clin 2024; 42:279-288. [PMID: 38631795 DOI: 10.1016/j.ccl.2024.02.012] [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] [Indexed: 04/19/2024]
Abstract
The effectiveness of pharmacologic management of cardiac arrest patients is widely debated; however, several studies published in the past 5 years have begun to clarify some of these issues. This article covers the current state of evidence for the effectiveness of the vasopressor epinephrine and the combination of vasopressin-steroids-epinephrine and antiarrhythmic medications amiodarone and lidocaine and reviews the role of other medications such as calcium, sodium bicarbonate, magnesium, and atropine in cardiac arrest care. We additionally review the role of β-blockers for refractory pulseless ventricular tachycardia/ventricular fibrillation and thrombolytics in undifferentiated cardiac arrest and suspected fatal pulmonary embolism.
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Affiliation(s)
- Amandeep Singh
- Alameda Health System, Highland Hospital Emergency Department, 1411 East 31st Street, Oakland, CA 94602, USA.
| | - Megan Heeney
- Alameda Health System, Highland Hospital Emergency Department, 1411 East 31st Street, Oakland, CA 94602, USA
| | - Martha E Montgomery
- Alameda Health System, Highland Hospital Emergency Department, 1411 East 31st Street, Oakland, CA 94602, USA
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Ho JKM, Tam HL, Leung LYL. Effectiveness of Vasopressin Against Cardiac Arrest: A Systematic Review of Systematic Reviews. Cardiovasc Drugs Ther 2024:10.1007/s10557-024-07571-3. [PMID: 38470507 DOI: 10.1007/s10557-024-07571-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/02/2024] [Indexed: 03/14/2024]
Abstract
PURPOSE This systematic review (SR) of SRs evaluates the effectiveness of vasopressin alone or in combination with other drugs in improving the outcomes of cardiac arrest (CA). METHODS Using a three-step approach, we searched five databases to identify all relevant SRs. Two reviewers independently selected suitable studies, assessed study quality, and extracted relevant data. If an outcome was reported by multiple SRs, a re-meta-analysis was conducted as needed; otherwise, a narrative analysis was performed. RESULTS Twelve SRs covering 16 original studies were included in this review. The meta-analysis results revealed a significant increase in survival to hospital admission for patients with in-hospital CA (IHCA) or out-of-hospital CA (OHCA) receiving vasopressin alone compared with that for those receiving epinephrine alone. Furthermore, the return of spontaneous circulation (ROSC) was significantly increased in patients with OHCA receiving vasopressin with epinephrine compared with that in those receiving epinephrine alone. Compared with patients with IHCA receiving epinephrine with placebo, those receiving vasopressin, steroids, and epinephrine (VSE) exhibited significant increases in ROSC, survival to hospital discharge, favorable neurological outcomes, mean arterial pressure, renal failure-free days, coagulation failure-free days, and insulin requirement. CONCLUSION VSE is the most effective drug combination for improving the short- and long-term outcomes of IHCA. It is recommended to use VSE in patients with IHCA. Future studies should investigate the effectiveness of VSE against OHCA and CA of various etiologies, the types and standard dosages of steroids for cardiac resuscitation, and the effectiveness of vasopressin-steroid in improving CA outcomes.
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Affiliation(s)
- Jonathan Ka-Ming Ho
- School of Nursing and Health Studies, Hong Kong Metropolitan University, Homantin, Kowloon, Hong Kong.
| | - Hon-Lon Tam
- The Nethersole School of Nursing, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Leona Yuen-Ling Leung
- School of Nursing and Health Studies, Hong Kong Metropolitan University, Homantin, Kowloon, Hong Kong
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7
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Okubo M, Komukai S, Izawa J, Kiyohara K, Matsuyama T, Iwami T, Kitamura T. Sequence of Epinephrine and Advanced Airway Placement After Out-of-Hospital Cardiac Arrest. JAMA Netw Open 2024; 7:e2356863. [PMID: 38372996 PMCID: PMC10877448 DOI: 10.1001/jamanetworkopen.2023.56863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 12/28/2023] [Indexed: 02/20/2024] Open
Abstract
Importance While epinephrine and advanced airway management (AAM) (supraglottic airway insertion and endotracheal intubation) are commonly used for out-of-hospital cardiac arrest (OHCA), the optimal sequence of these interventions remains unclear. Objective To evaluate the association of the sequence of epinephrine administration and AAM with patient outcomes after OHCA. Design, Setting, and Participants This cohort study analyzed the nationwide, population-based OHCA registry in Japan and included adults (aged ≥18 years) with OHCA for whom emergency medical services personnel administered epinephrine and/or placed an advanced airway between January 1, 2014, and December 31, 2019. The data analysis was performed between October 1, 2022, and May 12, 2023. Exposure The sequence of intravenous epinephrine administration and AAM. Main Outcomes and Measures The primary outcome was 1-month survival. Secondary outcomes were 1-month survival with favorable functional status and prehospital return of spontaneous circulation. To control imbalances in measured patient demographics, cardiac arrest characteristics, and bystander and prehospital interventions, propensity scores and inverse probability of treatment weighting (IPTW) were performed for shockable and nonshockable initial rhythm subcohorts. Results Of 259 237 eligible patients (median [IQR] age, 79 [69-86] years), 152 289 (58.7%) were male. A total of 21 592 patients (8.3%) had an initial shockable rhythm, and 237 645 (91.7%) had an initial nonshockable rhythm. Using IPTW, all covariates between the epinephrine-first and AAM-first groups were well balanced, with all standardized mean differences less than 0.100. After IPTW, the epinephrine-first group had a higher likelihood of 1-month survival for both shockable (odds ratio [OR], 1.19; 95% CI, 1.09-1.30) and nonshockable (OR, 1.28; 95% CI, 1.19-1.37) rhythms compared with the AAM-first group. For the secondary outcomes, the epinephrine-first group experienced an increased likelihood of favorable functional status and prehospital return of spontaneous circulation for both shockable and nonshockable rhythms compared with the AAM-first group. Conclusions and Relevance These findings suggest that for patients with OHCA, administration of epinephrine before placement of an advanced airway may be the optimal treatment sequence for improved patient outcomes.
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Affiliation(s)
- Masashi Okubo
- Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Sho Komukai
- Division of Biomedical Statistics, Department of Integrated Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Junichi Izawa
- Department of Internal Medicine, Okinawa Prefectural Chubu Hospital, Okinawa, Japan
| | - Kosuke Kiyohara
- Department of Food Science, Otsuma Women’s University, Tokyo, Japan
| | - Tasuku Matsuyama
- Department of Emergency Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Taku Iwami
- Department of Preventive Services, Kyoto University, Kyoto, Japan
| | - Tetsuhisa Kitamura
- Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
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8
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Choi DH, Hong KJ, Kim KH, Shin SD, Song KJ, Kim Y, Joo YH, Park JH, Ro YS, Kang HJ. Effect of first epinephrine administration time on cerebral perfusion pressure and cortical cerebral blood flow in a porcine cardiac arrest model. Resuscitation 2024; 195:109969. [PMID: 37716402 DOI: 10.1016/j.resuscitation.2023.109969] [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: 07/02/2023] [Revised: 08/27/2023] [Accepted: 09/10/2023] [Indexed: 09/18/2023]
Abstract
OBJECTIVE The optimal time for epinephrine administration and its effects on cerebral blood flow (CBF) and microcirculation remain controversial. This study aimed to assess the effect of the first administration of epinephrine on cerebral perfusion pressure (CePP) and cortical CBF in porcine cardiac arrest model. METHODS After 4 min of untreated ventricular fibrillation, eight of 24 swine were randomly assigned to the early, intermediate, and late groups. In each group, epinephrine was administered intravenously at 5, 10, and 15 min after cardiac arrest induction. CePP was calculated as the difference between the mean arterial pressure and intracranial pressure. Cortical CBF was measured using a laser Doppler flow probe. The outcomes were CePP and cortical CBF measured continuously during cardiopulmonary resuscitation (CPR). Mean CePP and cortical CBF were compared using analysis of variance and a linear mixed model. RESULTS The mean CePP was significantly different between the groups at 6-11 min after cardiac arrest induction. The mean CePP in the early group was significantly higher than that in the intermediate group at 8-10 min and that in the late group at 6-9 min and 10-11 min. The mean cortical CBF was significantly different between the groups at 9-11 min. The mean cortical CBF was significantly higher in the early group than in the intermediate and late group at 9-10 min. CONCLUSION Early administration of epinephrine was associated with improved CePP and cortical CBF compared to intermediate or late administration during the early period of CPR.
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Affiliation(s)
- Dong Hyun Choi
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, South Korea.
| | - Ki Jeong Hong
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Hospital, Seoul, South Korea; Disaster Medicine Research Center, Seoul National University Medical Research Center, Seoul, South Korea; Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | - Ki Hong Kim
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Hospital, Seoul, South Korea; Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | - Sang Do Shin
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Hospital, Seoul, South Korea; Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | - Kyoung Jun Song
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Boramae Medical Center, Seoul, South Korea; Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | - Yoonjic Kim
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Hospital, Seoul, South Korea.
| | - Yoon Ha Joo
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea.
| | - Jeong Ho Park
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Hospital, Seoul, South Korea; Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | - Young Sun Ro
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea; Department of Emergency Medicine, Seoul National University Hospital, Seoul, South Korea; Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | - Hyun Jeong Kang
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, South Korea.
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Perman SM, Elmer J, Maciel CB, Uzendu A, May T, Mumma BE, Bartos JA, Rodriguez AJ, Kurz MC, Panchal AR, Rittenberger JC. 2023 American Heart Association Focused Update on Adult Advanced Cardiovascular Life Support: An Update to the American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care. Circulation 2024; 149:e254-e273. [PMID: 38108133 DOI: 10.1161/cir.0000000000001194] [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] [Indexed: 12/19/2023]
Abstract
Cardiac arrest is common and deadly, affecting up to 700 000 people in the United States annually. Advanced cardiac life support measures are commonly used to improve outcomes. This "2023 American Heart Association Focused Update on Adult Advanced Cardiovascular Life Support" summarizes the most recent published evidence for and recommendations on the use of medications, temperature management, percutaneous coronary angiography, extracorporeal cardiopulmonary resuscitation, and seizure management in this population. We discuss the lack of data in recent cardiac arrest literature that limits our ability to evaluate diversity, equity, and inclusion in this population. Last, we consider how the cardiac arrest population may make up an important pool of organ donors for those awaiting organ transplantation.
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10
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Segond N, Jaeger D, Debaty G. Epinephrine and brain perfusion during cardiac arrest: every minute counts. Resuscitation 2023; 193:110006. [PMID: 37865223 DOI: 10.1016/j.resuscitation.2023.110006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 10/09/2023] [Indexed: 10/23/2023]
Affiliation(s)
- Nicolas Segond
- Emergency Department and Mobile Intensive Care Unit, University Hospital of Grenoble Alps, Grenoble, France; University of Grenoble Alps, CNRS, UMR 5525, TIMC, Grenoble, France
| | - Deborah Jaeger
- Emergency Department, University Hospital of Nancy, Nancy, France; INSERM U1116, Acute and Chronic Cardiovascular Deficiency, University of Lorraine, Vandoeuvre-les-Nancy, France
| | - Guillaume Debaty
- Emergency Department and Mobile Intensive Care Unit, University Hospital of Grenoble Alps, Grenoble, France; University of Grenoble Alps, CNRS, UMR 5525, TIMC, Grenoble, France.
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Johannsen CM, Nørholt C, Baltsen C, Eggertsen MA, Magnussen A, Vormfenne L, Mortensen SØ, Hansen ESS, Vammen L, Andersen LW, Granfeldt A. The effects of methylene blue during and after cardiac arrest in a porcine model; a randomized, blinded, placebo-controlled study. Am J Emerg Med 2023; 73:145-153. [PMID: 37659143 DOI: 10.1016/j.ajem.2023.08.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/04/2023] [Accepted: 08/22/2023] [Indexed: 09/04/2023] Open
Abstract
PURPOSE To evaluate the effect of methylene blue administered as a bolus on return of spontaneous circulation (ROSC), lactate levels, vasopressor requirements, and markers of neurological injury in a clinically relevant pig model of cardiac arrest. MATERIALS AND METHODS 40 anesthetized pigs were subjected to acute myocardial infarction and 7 min of untreated cardiac arrest. Animals were randomized into three groups: one group received saline only (controls), one group received 2 mg/kg methylene blue and saline (MB + saline), and one group received two doses of 2 mg/kg methylene blue (MB + MB). The first intervention was given after the 3rd rhythm analysis, while the second dose was administered one hour after achieving ROSC. Animals underwent intensive care and observation for six hours, followed by cerebral magnetic resonance imaging (MRI). The primary outcome for this study was development in lactate levels after cardiac arrest. Categorical data were compared using Fisher's exact test and pointwise data were analyzed using one-way analysis of variance (ANOVA) or equivalent non-parametric test. Continuous data collected over time were analyzed using a linear mixed effects model. A value of p < .05 was considered statistically significant. RESULTS Lactate levels increased in all groups after cardiac arrest and resuscitation, however lactate levels in the MB + MB group decreased significantly faster compared with the control group (p = .007) and the MB + saline group (p = .02). The proportion of animals achieving initial ROSC was similar across groups: 11/13 (85%) in the control group, 10/13 (77%) in the MB + saline group, and 12/14 (86%) in the MB + MB group (p = .81). Time to ROSC did not differ between groups (p = .67). There was no significant difference in accumulated norepinephrine dose between groups (p = .15). Cerebral glycerol levels were significantly lower in the MB + MB group after resuscitation compared with control group (p = .03). However, MRI data revealed no difference in apparent diffusion coefficient, cerebral blood flow, or dynamic contrast enhanced MR perfusion between groups. CONCLUSION Treatment with a bolus of methylene blue during cardiac arrest and after resuscitation did not significantly improve hemodynamic function. A bolus of methylene blue did not yield the neuroprotective effects that have previously been described in animals receiving methylene blue as an infusion.
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Affiliation(s)
- Cecilie Munch Johannsen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
| | - Casper Nørholt
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
| | - Cecilie Baltsen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
| | - Mark A Eggertsen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
| | | | | | | | - Esben Søvsø Szocska Hansen
- Department of Clinical Medicine, Aarhus University, Denmark; MR Research Centre, Aarhus University, Denmark
| | - Lauge Vammen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark
| | - Lars W Andersen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark; Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
| | - Asger Granfeldt
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Denmark; Department of Clinical Medicine, Aarhus University, Denmark.
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12
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García-Álvarez R, Arboleda-Salazar R. Vasopressin in Sepsis and Other Shock States: State of the Art. J Pers Med 2023; 13:1548. [PMID: 38003863 PMCID: PMC10672256 DOI: 10.3390/jpm13111548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 10/19/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
This review of the use of vasopressin aims to be comprehensive and highly practical, based on the available scientific evidence and our extensive clinical experience with the drug. It summarizes controversies about vasopressin use in septic shock and other vasodilatory states. Vasopressin is a natural hormone with powerful vasoconstrictive effects and is responsible for the regulation of plasma osmolality by maintaining fluid homeostasis. Septic shock is defined by the need for vasopressors to correct hypotension and lactic acidosis secondary to infection, with a high mortality rate. The Surviving Sepsis Campaign guidelines recommend vasopressin as a second-line vasopressor, added to norepinephrine. However, these guidelines do not address specific debates surrounding the use of vasopressin in real-world clinical practice.
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Affiliation(s)
- Raquel García-Álvarez
- Department of Anesthesiology and Surgical Intensive Care, University Hospital 12 de Octubre, 28022 Madrid, Spain
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13
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Vega Suarez L, Epstein SE, Martin LG, Davidow EB, Hoehne SN. Prevalence and factors associated with initial and subsequent shockable cardiac arrest rhythms and their association with patient outcomes in dogs and cats undergoing cardiopulmonary resuscitation: A RECOVER registry study. J Vet Emerg Crit Care (San Antonio) 2023; 33:520-533. [PMID: 37573256 DOI: 10.1111/vec.13320] [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: 01/12/2023] [Accepted: 02/17/2023] [Indexed: 08/14/2023]
Abstract
OBJECTIVE To report the prevalence of initial shockable cardiac arrest rhythms (I-SHKR), incidence of subsequent shockable cardiac arrest rhythms (S-SHKR), and factors associated with I-SHKRs and S-SHKRs and explore their association with return of spontaneous circulation (ROSC) rates in dogs and cats undergoing CPR. DESIGN Multi-institutional prospective case series from 2016 to 2021, retrospectively analyzed. SETTING Eight university and eight private practice veterinary hospitals. ANIMALS A total of 457 dogs and 170 cats with recorded cardiac arrest rhythm and event outcome reported in the Reassessment Campaign on Veterinary Resuscitation CPR registry. MEASUREMENTS AND MAIN RESULTS Logistic regression was used to evaluate association of animal, hospital, and arrest variables with I-SHKRs and S-SHKRs and with patient outcomes. Odds ratios (ORs) were generated, and significance was set at P < 0.05. Of 627 animals included, 28 (4%) had I-SHKRs. Odds for I-SHKRs were significantly higher in animals with a metabolic cause of arrest (OR 7.61) and that received lidocaine (OR 17.50) or amiodarone (OR 21.22) and significantly lower in animals experiencing arrest during daytime hours (OR 0.22), in the ICU (OR 0.27), in the emergency room (OR 0.13), and out of hospital (OR 0.18) and that received epinephrine (OR 0.19). Of 599 initial nonshockable rhythms, 74 (12%) developed S-SHKRs. Odds for S-SHKRs were significantly higher in animals with higher body weight (OR 1.03), hemorrhage (OR 2.85), or intracranial cause of arrest (OR 3.73) and that received epinephrine (OR 11.36) or lidocaine (OR 18.72) and significantly decreased in those arresting in ICU (OR 0.27), emergency room (OR 0.29), and out of hospital (OR 0.38). Overall, 171 (27%) animals achieved ROSC, 81 (13%) achieved sustained ROSC, and 15 (2%) survived. Neither I-SHKRs nor S-SHKRs were significantly associated with ROSC. CONCLUSIONS I-SHKRs and S-SHKRs occur infrequently in dogs and cats undergoing CPR and are not associated with increased ROSC rates.
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Affiliation(s)
- Laura Vega Suarez
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, USA
| | - Steven E Epstein
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, California, USA
| | - Linda G Martin
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, USA
| | - Elizabeth B Davidow
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, USA
| | - Sabrina N Hoehne
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, USA
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14
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Fernando SM, Mathew R, Sadeghirad B, Rochwerg B, Hibbert B, Munshi L, Fan E, Brodie D, Di Santo P, Tran A, McLeod SL, Vaillancourt C, Cheskes S, Ferguson ND, Scales DC, Lin S, Sandroni C, Soar J, Dorian P, Perkins GD, Nolan JP. Epinephrine in Out-of-Hospital Cardiac Arrest: A Network Meta-analysis and Subgroup Analyses of Shockable and Nonshockable Rhythms. Chest 2023; 164:381-393. [PMID: 36736487 DOI: 10.1016/j.chest.2023.01.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 01/20/2023] [Accepted: 01/21/2023] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Epinephrine is the most commonly used drug in out-of-hospital cardiac arrest (OHCA) resuscitation, but evidence supporting its efficacy is mixed. RESEARCH QUESTION What are the comparative efficacy and safety of standard dose epinephrine, high-dose epinephrine, epinephrine plus vasopressin, and placebo or no treatment in improving outcomes after OHCA? STUDY DESIGN AND METHODS In this systematic review and network meta-analysis of randomized controlled trials, we searched six databases from inception through June 2022 for randomized controlled trials evaluating epinephrine use during OHCA resuscitation. We performed frequentist random-effects network meta-analysis and present ORs and 95% CIs. We used the the Grading of Recommendations, Assessment, Development, and Evaluation approach to rate the certainty of evidence. Outcomes included return of spontaneous circulation (ROSC), survival to hospital admission, survival to discharge, and survival with good functional outcome. RESULTS We included 18 trials (21,594 patients). Compared with placebo or no treatment, high-dose epinephrine (OR, 4.27; 95% CI, 3.68-4.97), standard-dose epinephrine (OR, 3.69; 95% CI, 3.32-4.10), and epinephrine plus vasopressin (OR, 3.54; 95% CI, 2.94-4.26) all increased ROSC. High-dose epinephrine (OR, 3.53; 95% CI, 2.97-4.20), standard-dose epinephrine (OR, 3.00; 95% CI, 2.66-3.38), and epinephrine plus vasopressin (OR, 2.79; 95% CI, 2.27-3.44) all increased survival to hospital admission as compared with placebo or no treatment. However, none of these agents may increase survival to discharge or survival with good functional outcome as compared with placebo or no treatment. Compared with placebo or no treatment, standard-dose epinephrine improved survival to discharge among patients with nonshockable rhythm (OR, 2.10; 95% CI, 1.21-3.63), but not in those with shockable rhythm (OR, 0.85; 95% CI, 0.39-1.85). INTERPRETATION Use of standard-dose epinephrine, high-dose epinephrine, and epinephrine plus vasopressin increases ROSC and survival to hospital admission, but may not improve survival to discharge or functional outcome. Standard-dose epinephrine improved survival to discharge among patients with nonshockable rhythm, but not those with shockable rhythm. TRIAL REGISTRY Center for Open Science: https://osf.io/arxwq.
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Affiliation(s)
- Shannon M Fernando
- Division of Critical Care, Department of Medicine, University of Ottawa, ON, Canada; Department of Emergency Medicine, University of Ottawa, ON, Canada; CAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, ON, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.
| | - Rebecca Mathew
- CAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Behnam Sadeghirad
- Department of Anesthesia, Department of Medicine, McMaster University, Hamilton, ON, Canada; Department of Health Research Methods, Evidence, and Impact, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Bram Rochwerg
- Department of Health Research Methods, Evidence, and Impact, Department of Medicine, McMaster University, Hamilton, ON, Canada; Division of Critical Care, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Benjamin Hibbert
- Department of Cellular and Molecular Medicine, University of Ottawa, ON, Canada; CAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Laveena Munshi
- Interdepartmental Division of Critical Care Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, Toronto, ON, Canada; Department of Medicine, Sinai Health System and University Health Network, Toronto, ON, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, Toronto, ON, Canada; Department of Medicine, Sinai Health System and University Health Network, Toronto, ON, Canada; Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Daniel Brodie
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY; Center for Acute Respiratory Failure, New York-Presbyterian Hospital, New York, NY
| | - Pietro Di Santo
- Division of Critical Care, Department of Medicine, University of Ottawa, ON, Canada; School of Epidemiology and Public Health, University of Ottawa, ON, Canada; CAPITAL Research Group, Division of Cardiology, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Alexandre Tran
- Division of Critical Care, Department of Medicine, University of Ottawa, ON, Canada; School of Epidemiology and Public Health, University of Ottawa, ON, Canada
| | - Shelley L McLeod
- Department of Health Research Methods, Evidence, and Impact, Department of Medicine, McMaster University, Hamilton, ON, Canada; Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Schwartz/Reisman Emergency Medicine Institute, Sinai Health, Toronto, ON, Canada
| | - Christian Vaillancourt
- Department of Emergency Medicine, University of Ottawa, ON, Canada; School of Epidemiology and Public Health, University of Ottawa, ON, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Sheldon Cheskes
- Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Schwartz/Reisman Emergency Medicine Institute, Sinai Health, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
| | - Niall D Ferguson
- Interdepartmental Division of Critical Care Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, Toronto, ON, Canada; Department of Medicine, Sinai Health System and University Health Network, Toronto, ON, Canada; Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Damon C Scales
- Interdepartmental Division of Critical Care Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Steve Lin
- Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
| | - Claudio Sandroni
- Institute of Anesthesiology and Intensive Care Medicine, Università Cattolica del Sacro Cuore, Rome, Italy; Department of Intensive Care, Emergency Medicine and Anesthesiology, Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, Rome, Italy
| | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, England
| | - Paul Dorian
- Division of Cardiology, Department of Medicine, University of Toronto, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
| | - Gavin D Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, Warwick University, Gibbet Hill, Coventry, England
| | - Jerry P Nolan
- Warwick Clinical Trials Unit, Warwick Medical School, Warwick University, Gibbet Hill, Coventry, England; Department of Anaesthesia and Intensive Care Medicine, Royal United Hospital, Bath, England
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15
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Gerecht RB, Nable JV. Out-of-Hospital Cardiac Arrest. Emerg Med Clin North Am 2023; 41:433-453. [PMID: 37391243 DOI: 10.1016/j.emc.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Survival from out-of-hospital cardiac arrest (OHCA) is predicated on a community and system-wide approach that includes rapid recognition of cardiac arrest, capable bystander CPR, effective basic and advanced life support (BLS and ALS) by EMS providers, and coordinated postresuscitation care. Management of these critically ill patients continues to evolve. This article focuses on the management of OHCA by EMS providers.
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Affiliation(s)
- Ryan B Gerecht
- District of Columbia Fire and EMS Department, MedStar Washington Hospital Center, 110 Irving Street Northwest, Washington, DC 20010, USA
| | - Jose V Nable
- Georgetown University School of Medicine, Georgetown EMS, MedStar Georgetown University Hospital, 3800 Reservoir Road Northwest, Washington, DC 20007, USA.
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16
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Singh A, Heeney M, Montgomery ME. The Pharmacologic Management of Cardiac Arrest. Emerg Med Clin North Am 2023; 41:559-572. [PMID: 37391250 DOI: 10.1016/j.emc.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
The effectiveness of pharmacologic management of cardiac arrest patients is widely debated; however, several studies published in the past 5 years have begun to clarify some of these issues. This article covers the current state of evidence for the effectiveness of the vasopressor epinephrine and the combination of vasopressin-steroids-epinephrine and antiarrhythmic medications amiodarone and lidocaine and reviews the role of other medications such as calcium, sodium bicarbonate, magnesium, and atropine in cardiac arrest care. We additionally review the role of β-blockers for refractory pulseless ventricular tachycardia/ventricular fibrillation and thrombolytics in undifferentiated cardiac arrest and suspected fatal pulmonary embolism.
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Affiliation(s)
- Amandeep Singh
- Alameda Health System, Highland Hospital Emergency Department, 1411 East 31st Street, Oakland, CA 94602, USA.
| | - Megan Heeney
- Alameda Health System, Highland Hospital Emergency Department, 1411 East 31st Street, Oakland, CA 94602, USA
| | - Martha E Montgomery
- Alameda Health System, Highland Hospital Emergency Department, 1411 East 31st Street, Oakland, CA 94602, USA
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17
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Dreyfuss A, Carlson GK. Defibrillation in the Cardiac Arrest Patient. Emerg Med Clin North Am 2023; 41:529-542. [PMID: 37391248 DOI: 10.1016/j.emc.2023.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Defibrillation is one of the few interventions known to favorably impact survival in cardiac arrest. In witnessed arrest, survival improves with defibrillation as early as possible, whereas it may improve outcomes to administer high-quality chest compressions for 90 seconds before defibrillation in unwitnessed arrest. Minimizing pre-, peri-, and post-shock pauses has been shown to have mortality benefits. Refractory ventricular fibrillation has high mortality rates, and there is ongoing research into promising adjunctive treatment modalities. There remains no consensus on optimal pad positioning and defibrillation energy level, however, recent data suggest anteroposterior pad placement may be superior to anterolateral placement.
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Affiliation(s)
- Andrea Dreyfuss
- Department of Emergency Medicine, Hennepin Hospital, 701 Park Avenue, Minneapolis, MN 55415, USA.
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18
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Medina JA, Quintero JA, de Paz DA, Scarpetta DF, Castro CA, Paker NA, Carvajal SM. Cardiac arrest in an emergency department in Colombia during 2011-2020: A descriptive study. Int J Crit Illn Inj Sci 2023; 13:132-137. [PMID: 38023575 PMCID: PMC10664032 DOI: 10.4103/ijciis.ijciis_87_22] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/10/2023] [Accepted: 03/03/2023] [Indexed: 12/01/2023] Open
Abstract
Background Cardiac arrest is a public health problem related to high morbidity and mortality. In Colombia, objective data characterize in our population has been not available. The aim of this study has been to determined the epidemiological characteristics of patients with cardiorespiratory arrest treated in an emergency room. Methods A retrospective observational cross-sectional cohort study was performed. We included adult patients admitted with a diagnostic of out-of-hospital cardiac arrest (OHCA) or who presented with in-hospital cardiac arrest while in the emergency department (ED). Results A total of 415 patients were included 232 were men, and the median age was 67 years. OHCA was presented in 383 patients. In this group, 80.2% required orotracheal intubation, 90.1% received Epinephrine, and and 52.6% received immediate resuscitation. Survival after discharge was 43.1% in patients with non-shockable rhythm registered. Return of spontaneous circulation was achieved in 49.6%. The survival after hospital discharge was 22.2%. Cerebral performance category score <=2 was 20.4%. Conclusion In our study, the epidemiological characteristics and outcomes of patients seen in the ED with cardiac arrest are similar to those described in the literature.
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Affiliation(s)
| | - Jaime Andres Quintero
- Critical Medicine, Emergency Department, Fundación Valle del Lili, Carrera, Colombia
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Carrera, Colombia
| | - David Andres de Paz
- Critical Medicine, Emergency Department, Fundación Valle del Lili, Carrera, Colombia
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19
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Ahn JY, Ryoo HW, Jung H, Ro YS, Park JH. Impact of emergency medical service with advanced life support training for adults with out-of-hospital cardiac arrest in the Republic of Korea: A retrospective multicenter study. PLoS One 2023; 18:e0286047. [PMID: 37289771 PMCID: PMC10249873 DOI: 10.1371/journal.pone.0286047] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/07/2023] [Indexed: 06/10/2023] Open
Abstract
Prehospital advanced life support (ALS) has been offered in many countries for patients experiencing out-of-hospital cardiac arrest (OHCA); however, its effectiveness remains unclear. This study aimed to determine the impact of emergency medical service (EMS) with ALS training as a nationwide pilot project for adults with OHCA in the Republic of Korea. This retrospective multicenter observational study was conducted between July 2019 and December 2020 using the Korean Cardiac Arrest Research Consortium registry. The patients were categorized into an intervention group that received EMS with ALS training and a control group that did not receive EMS with ALS training. Conditional logistic regression analysis was performed using matched data to compare clinical outcomes between the two groups. Compared with the control group, the intervention group had a lower rate of supraglottic airway usage (60.5% vs. 75.6%) and a higher rate of undergoing endotracheal intubation (21.7% vs. 6.1%, P < 0.001). In addition, the intervention group was administered more intravenous epinephrine (59.8% vs. 14.2%, P < 0.001) and used mechanical chest compression devices more frequently in prehospital settings than the control group (59.0% vs. 23.8%, P < 0.001). Based on the results of multivariable conditional logistic regression analysis, survival to hospital discharge (odds ratio: 0.48, 95% confidence interval: 0.27-0.87) of the intervention group was significantly lower than that of the control group; however, good neurological outcome was not significantly different between the two groups. In this study, survival to hospital discharge was worse in patients with OHCA who received EMS with ALS training than in those who did not.
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Affiliation(s)
- Jae Yun Ahn
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Hyun Wook Ryoo
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Republic of Korea
| | - Haewon Jung
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Young Sun Ro
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Republic of Korea
- Department of Emergency Medicine, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea
| | - Jeong Ho Park
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Republic of Korea
- Department of Emergency Medicine, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea
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20
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Stærk M, Lauridsen KG, Johnsen J, Løfgren B, Krogh K. In-situ simulations to detect patient safety threats during in-hospital cardiac arrest. Resusc Plus 2023; 14:100410. [PMID: 37424767 PMCID: PMC10323216 DOI: 10.1016/j.resplu.2023.100410] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/09/2023] [Accepted: 05/18/2023] [Indexed: 07/11/2023] Open
Abstract
Introduction Errors during treatment may affect patient outcomes and can include errors in treatment algorithms, teamwork, and system errors. In-hospital cardiac arrests (IHCA) require immediate and effective treatment, and delays are known to reduce survival. In-situ simulation is a tool that can be used to study emergency responses, including IHCA. We investigated system errors discovered during unannounced in-situ simulated IHCA. Method This multicenter cohort study included unannounced, full-scale IHCA in-situ simulations followed by a debriefing based on PEARLS with plus-delta used in the analysis phase. Simulations and debriefings were video-recorded for subsequent analysis. System errors observed were categorized by thematic analysis and analyzed for clinical implications. Errors related to treatment algorithm and clinical performance were excluded. Results We conducted 36 in-situ simulations across 4 hospitals with a total discovery of 30 system errors. On average, we discovered 0.8 system errors per simulation within the categories: human, organizational, hardware, or software errors. Of these, 25 errors (83%) had direct treatment consequences. System errors caused treatment delays in 15 cases, a need for alternative actions in 6 cases, omission of actions in 4 cases, and other consequences in 5 cases. Conclusion Using unannounced in-situ simulations, we identified almost one system error per simulation, and most of these errors were deemed to impact treatment negatively. The errors affected treatment by either causing delays, need for alternative treatment options, or omitting treatment actions. We suggest that hospitals focus on the need for regular testing of the emergency response by conducting full-scale unannounced in-situ simulations. This should be a priority to improve patient safety and care.
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Affiliation(s)
- Mathilde Stærk
- Department of Emergency Medicine, Gødstrup Hospital, Denmark
- Department of Medicine, Randers Regional Hospital, Denmark
- Education and Research, Randers Regional Hospital, Denmark
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
| | - Kasper G. Lauridsen
- Department of Medicine, Randers Regional Hospital, Denmark
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Department of Anesthesiology and Critical Care Medicine, Children’s Hospital of Philadelphia, USA
| | - Josephine Johnsen
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Department of Internal Medicine, Diagnostic Centre, Silkeborg Regional Hospital, Denmark
| | - Bo Løfgren
- Department of Medicine, Randers Regional Hospital, Denmark
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Department of Clinical Medicine, Aarhus University, Denmark
| | - Kristian Krogh
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Department of Anaesthesiology and Intensive Care, Aarhus University Hospital, Denmark
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21
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Yan W, Dong W, Song X, Zhou W, Chen Z. Therapeutic effects of vasopressin on cardiac arrest: a systematic review and meta-analysis. BMJ Open 2023; 13:e065061. [PMID: 37068900 PMCID: PMC10111914 DOI: 10.1136/bmjopen-2022-065061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/19/2023] Open
Abstract
OBJECTIVE To demonstrate the therapeutic effect of vasopressin as an alternative treatment for cardiac arrest. DESIGN Systematic review and meta-analysis. METHODS PubMed, EMBASE, the Cochrane Library and Web of Science were searched for randomised controlled trials. The intervention included administration of vasopressin alone or vasopressin combined with epinephrine or vasopressin, steroids and epinephrine (VSE) versus epinephrine combined with placebo as control group. The primary outcome was the return of spontaneous circulation (ROSC). The secondary outcomes included mid-term survival and mid-term good neurological outcome. We conducted subgroup analyses of the primary outcome based on different settings, different study drug strategies and different types of initial rhythm. RESULTS Twelve studies (n=6718) were included, of which eight trials (n=5638) reported the data on patients with out-of-hospital cardiac arrest and four trials (n=1080) on patients with in-hospital cardiac arrest (IHCA). There were no significant differences between intravenous vasopressin and placebo in the outcomes of ROSC (relative risk (RR): 1.11; 95% CI: 0.99 to 1.26), mid-term survival (RR: 1.23; 95% CI: 0.90 to 1.66) and mid-term good neurological outcome (RR: 1.20; 95% CI: 0.77 to 1.87). However, in the subgroup analysis, intravenous vasopressin as part of VSE can significantly improve the rate of ROSC (RR: 1.32; 95% CI: 1.18 to 1.47) but not the rate of mid-term survival (RR: 2.15; 95% CI: 0.75 to 6.16) and mid-term good neurological outcome (RR: 1.80; 95% CI: 0.81 to 4.01) for patients with IHCA. CONCLUSIONS Our study failed to demonstrate increased benefit from vasopressin with or without epinephrine compared with the standard of care. However, vasopressin as a part of VSE is associated with the improvement of ROSC in patients with IHCA, and the benefit on mid-term survival or mid-term good neurological outcome is uncertain. Larger trials should be conducted in the future to address the effect of vasopressin only, vasopressin plus epinephrine or VSE on cardiac arrest. PROSPERO REGISTRATION NUMBER CRD42021293347.
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Affiliation(s)
- Wenqing Yan
- Department of Emergency, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, People's Republic of China
- Medical Department, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Weihua Dong
- Department of Emergency, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, People's Republic of China
| | - Xin Song
- Department of Emergency, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, People's Republic of China
- Medical Department, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Wenqiang Zhou
- Department of Emergency, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, People's Republic of China
- Medical Department, Nanchang University, Nanchang, Jiangxi, People's Republic of China
| | - Zhi Chen
- Department of Emergency, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, People's Republic of China
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22
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Tateishi K, Saito Y, Kitahara H, Shiko Y, Kawasaki Y, Nonogi H, Tahara Y, Yonemoto N, Nagao K, Ikeda T, Sato N, Kobayashi Y. Impact of Number of Defibrillation Attempts on Neurologically Favourable Survival Rate in Patients with Out-of-Hospital Cardiac Arrest. Resuscitation 2023; 186:109779. [PMID: 36963560 DOI: 10.1016/j.resuscitation.2023.109779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/23/2023] [Accepted: 03/15/2023] [Indexed: 03/26/2023]
Abstract
AIM of the study: Defibrillation plays a crucial role in early return of spontaneous circulation (ROSC) and survival of patients with out-of-hospital cardiac arrest (OHCA) and shockable rhythm. Prehospital adrenaline administration increases the probability of prehospital ROSC. However, little is known about the relationship between number of prehospital defibrillation attempts and neurologically favourable survival in patients treated with and without adrenaline. METHODS Using a nationwide Japanese OHCA registry database from 2006 to 2020, 1,802,084 patients with OHCA were retrospectively analysed, among whom 81,056 with witnessed OHCA and initial shockable rhythm were included. The relationship between the number of defibrillation attempts before hospital admission and neurologically favourable survival rate (cerebral performance category score of 1 or 2) at 1 month was evaluated with subgroup analysis for patients treated with and without adrenaline. RESULTS At 1 month, 18,080 (22.3%) patients had a cerebral performance category score of 1 or 2. In the study population, the probability of prehospital ROSC and favourable neurological survival rate were inversely associated with number of defibrillation attempts. Similar trends were observed in patients treated without adrenaline, whereas a greater number of defibrillation attempts was counterintuitively associated with favourable neurological survival rate in patients treated with prehospital adrenaline. CONCLUSIONS Overall, a greater number of prehospital defibrillation attempts was associated with lower neurologically favourable survival at 1 month in patients with OHCA and shockable rhythm. However, an increasing number of shocks (up to the 4th shock) was associated with better neurological outcomes when considering only patients treated with adrenaline.
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Affiliation(s)
- Kazuya Tateishi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8677, Japan.
| | - Yuichi Saito
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8677, Japan
| | - Hideki Kitahara
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8677, Japan
| | - Yuki Shiko
- Biostatistics Section, Clinical Research Center, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8677, Japan
| | - Yohei Kawasaki
- Statistics Section, Institute for Assistance of Academic and Education, 3-10-6 Nakamachi, Machida, Tokyo 194-0021, Japan
| | - Hiroshi Nonogi
- Faculty of Health Science, Osaka Aoyama University, 2-11-1 Niina, Mino, Osaka 562-8580, Japan
| | - Yoshio Tahara
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan
| | - Naohiro Yonemoto
- Department of Public Health, Juntendo University school of medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Ken Nagao
- Cardiovascular Center, Nihon University Hospital, 1-1-6 Kanda Surugadai, Chiyoda-ku, Tokyo 101-8309, Japan
| | - Takanori Ikeda
- Department of Cardiovascular Medicine, Toho University Faculty of Medicine, 5-21-16 Omorinishi, Ota-ku, Tokyo 143-8540, Japan
| | - Naoki Sato
- Cardiovascular Medicine, Kawaguchi Cardiovascular and Respiratory Hospital, 1-1-51 Maekawa, Kawaguchi, Saitama 333-0842, Japan
| | - Yoshio Kobayashi
- Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8677, Japan
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Drabek T, Mencl F. All You Need Is Love, Two Hands on the Chest, a Spark and some Triiodothyronine. Resuscitation 2023; 186:109774. [PMID: 36958631 DOI: 10.1016/j.resuscitation.2023.109774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 03/13/2023] [Indexed: 03/25/2023]
Affiliation(s)
- Tomas Drabek
- Safar Center for Resuscitation Research, Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, UPMC Presbyterian Hospital, 200 Lothrop St., Suite C-200, Pittsburgh, PA 15213, United States.
| | - Francis Mencl
- Department of Emergency Medicine and Division of EMS, Penn State Health Hershey Medical Center, 500 University Dr. Hershey, PA 17933, United States.
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24
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Perkins GD, Couper K. Improving vasopressor use in cardiac arrest. Crit Care 2023; 27:81. [PMID: 36864469 PMCID: PMC9979497 DOI: 10.1186/s13054-023-04301-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 01/04/2023] [Indexed: 03/04/2023] Open
Abstract
The Chain of Survival highlights the effectiveness of early recognition of cardiac arrest and call for help, early cardiopulmonary resuscitation and early defibrillation. Most patients, however, remain in cardiac arrest despite these interventions. Drug treatments, particularly the use of vasopressors, have been included in resuscitation algorithms since their inception. This narrative review describes the current evidence base for vasopressors and reports that adrenaline (1 mg) is highly effective at achieving return of spontaneous circulation (number needed to treat 4) but is less effective on long-term outcomes (survival to 30 days, number needed to treat 111) with uncertain effects on survival with a favourable neurological outcome. Randomised trials evaluating vasopressin, either as an alternative to or in addition to adrenaline, and high-dose adrenaline have failed to find evidence of improved long-term outcomes. There is a need for future trials to evaluate the interaction between steroids and vasopressin. Evidence for other vasopressors (e.g. noradrenaline, phenylephedrine) is insufficient to support or refute their use. The use of intravenous calcium chloride as a routine intervention in out of hospital cardiac arrest is not associated with benefit and may cause harm. The optimal route for vascular access between peripheral intravenous versus intraosseous routes is currently the subject of two large randomised trials. Intracardiac, endobronchial, and intramuscular routes are not recommended. Central venous administration should be limited to patients where an existing central venous catheter is in situ and patent.
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Affiliation(s)
- Gavin D Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK.
| | - Keith Couper
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
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25
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Zhong H, Yin Z, Kou B, Shen P, He G, Huang T, Liang J, Huang S, Huang J, Zhou M, Deng R. Therapeutic and adverse effects of adrenaline on patients who suffer out-of-hospital cardiac arrest: a systematic review and meta-analysis. Eur J Med Res 2023; 28:24. [PMID: 36635781 PMCID: PMC9835354 DOI: 10.1186/s40001-022-00974-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 12/29/2022] [Indexed: 01/14/2023] Open
Abstract
OBJECTIVE The efficacy and safety of epinephrine in patients with out-of-hospital cardiac arrest (OHCA) remains controversial. The meta-analysis was used to comprehensively appraise the influence of epinephrine in OHCA patients. METHODS We searched all randomized controlled and cohort studies published by PubMed, EMBASE, and Cochrane Library from the inception to August 2022 on the prognostic impact of epinephrine on patients with OHCA. Survival to discharge was the primary outcome, while the return of spontaneous circulation (ROSC) and favorable neurological outcome were secondary outcomes. RESULTS The meta-analysis included 18 studies involving 863,952 patients. OHCA patients with adrenaline had an observably improved chance of ROSC (RR 2.81; 95% CI 2.21-3.57; P = 0.001) in randomized controlled studies, but the difference in survival to discharge (RR 1.27; 95% CI 0.58-2.78; P = 0.55) and favorable neurological outcomes (RR 1.21; 95% CI 0.90-1.62; P = 0.21) between the two groups was not statistically significant. In cohort studies, the rate of ROSC (RR 1.62; 95% CI 1.14-2.30; P = 0.007) increased significantly with the adrenaline group, while survival to discharge (RR 0.73; 95% CI 0.55-0.98; P = 0.03) and favorable cerebral function (RR 0.42; 95% CI 0.30-0.58; P = 0.001) were lower than the non-adrenaline group. CONCLUSION We found that both the randomized controlled trials (RCTs) and cohort studies showed that adrenaline increased ROSC in OHCA patients. However, they were unable to agree on a long-term prognosis. The cohort studies showed that adrenaline had an adverse effect on the long-term prognosis of OHCA patients (discharge survival rate and good neurological prognosis), but adrenaline had no adverse effect in the RCTs. In addition to the differences in research methods, there are also some potential confounding factors in the included studies. Therefore, more high-quality studies are needed to fully confirm the effect of adrenaline on the long-term results of OHCA.
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Affiliation(s)
- Hong Zhong
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China ,Emergency Department, KweiChow Moutai Hospital, Renhuai, 564501 Guizhou China
| | - Zhaohui Yin
- General Surgery Department, KweiChow Moutai Hospital, Renhuai, 564501 Guizhou China
| | - Bojin Kou
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Pei Shen
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Guoli He
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Tingting Huang
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Jing Liang
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Shan Huang
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Jiaming Huang
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
| | - Manhong Zhou
- grid.413390.c0000 0004 1757 6938Emergency Department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China ,Emergency Department, KweiChow Moutai Hospital, Renhuai, 564501 Guizhou China
| | - Renli Deng
- grid.413390.c0000 0004 1757 6938Nursing department, Affiliated Hospital of Zunyi Medical University, Zunyi, 563003 Guizhou China
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26
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Kim JS, Ryoo SM, Kim YJ, Sohn CH, Ahn S, Seo DW, Hong SI, Kim SM, Chae B, Kim WY. Augmented-Medication CardioPulmonary Resuscitation Trials in out-of-hospital cardiac arrest: a pilot randomized controlled trial. Crit Care 2022; 26:378. [PMID: 36476543 PMCID: PMC9727995 DOI: 10.1186/s13054-022-04248-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 11/19/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Previously conducted physician-centered trials on the usefulness of vasopressin have yielded negative results; thus, patient-oriented trials have been warranted. We hypothesize that Augmented-Medication CardioPulmonary Resuscitation could be helpful for selected patients with out-of-hospital cardiac arrest (OHCA). METHODS This is a double-blind, single-center, randomized, placebo-controlled trial conducted in the emergency department in a tertiary, university-affiliated hospital in Seoul, Korea. A total of 148 adults with non-traumatic OHCA who had initial diastolic blood pressure (DBP) < 20 mm Hg via invasive arterial monitoring during the early cardiac compression period were randomly assigned to two groups. Patients received a dose of 40 IU of vasopressin or placebo with initial epinephrine. The primary endpoint was a sustained return of spontaneous circulation. Secondary endpoints were survival discharge, and neurologic outcomes at discharge. RESULTS Of the 180 included patients, 32 were excluded, and 148 were enrolled in the trial. A sustained return of spontaneous circulation was achieved by 27 patients (36.5%) in the vasopressin group and 24 patients (32.4%) in the control group (risk difference, 4.1%; P = .60). Survival discharge and good neurologic outcomes did not differ between groups. The trial group had significantly higher median DBPs during resuscitation than the control group (16.0 vs. 14.5 mm Hg, P < 0.01). There was no difference in end-tidal carbon dioxide, acidosis, and lactate levels at baseline, 10 min, and end-time. CONCLUSION Among patients with refractory vasodilatory shock in OHCA, administration of vasopressin, compared with placebo, did not significantly increase the likelihood of return of spontaneous circulation.
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Affiliation(s)
- June-sung Kim
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Seung Mok Ryoo
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Youn-Jung Kim
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Chang Hwan Sohn
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Shin Ahn
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Dong Woo Seo
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Seok In Hong
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Sang-Min Kim
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Bora Chae
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
| | - Won Young Kim
- grid.413967.e0000 0001 0842 2126Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-Ro-43-Gil, Songpa-gu, Seoul, 138-736 Republic of Korea
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27
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Temporal Changes in Epinephrine Dosing in Out-of-Hospital Cardiac Arrest: A Review of EMS Protocols across the United States. Prehosp Disaster Med 2022; 37:832-835. [PMID: 36268857 DOI: 10.1017/s1049023x22001418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Administration of epinephrine has been associated with worse neurological outcomes for survivors of out-of-hospital cardiac arrest. The publication of the 2018 PARAMEDIC-2 trial, a randomized and double-blind study of epinephrine in out-of-hospital cardiac arrest, provides the strongest evidence to date that epinephrine increases return of spontaneous circulation (ROSC) but not neurologically intact survival. This study aims to determine if Emergency Medical Services (EMS) cardiac arrest protocols have changed since the publication of PARAMEDIC-2. METHODS States in the US utilizing mandatory or model state-wide EMS protocols, including Washington DC, were included in this study. The nontraumatic cardiac arrest protocol as of January 1, 2018 was compared to the protocol in effect on January 1, 2021 to determine if there was a change in the administration of epinephrine. Protocols were downloaded from the relevant state EMS website. If a protocol could not be obtained, the state medical director was contacted. RESULTS A 2021 state-wide protocol was found for 32/51 (62.7%) states. Data from 2018 were available for 21/51 (41.2%) states. Of the 11 states without data from 2018, all follow Advanced Cardiac Life Support (ACLS) guidelines in the 2021 protocol. Five (15.6%) of the states with a state-wide protocol made a change in the cardiac arrest protocols. Maximum cumulative epinephrine dose was limited to 4mg in Maryland and 3mg in Vermont. Rhode Island changed epinephrine in shockable rhythms to be administered after three cycles of cardiopulmonary resuscitation (CPR) and an anti-arrhythmic. Rhode Island also added an epinephrine infusion as an option. No states removed epinephrine administration from their cardiac arrest protocol. Simple statistical analysis was performed with Microsoft Excel. CONCLUSION Several states have adjusted cardiac arrest protocols since 2018. The most frequent change was limiting the maximum cumulative dosage of epinephrine. One state changed timing of epinephrine dosing depending on the rhythm and also provided an option of an epinephrine infusion in place of bolus dosing. While the sample size is small, these changes may reflect the future direction of prehospital cardiac arrest protocols. Significant limitations apply, including the exclusion of local and regional protocols which are more capable of quickly adjusting to new research. Additionally, this study is only focused on EMS in the United States.
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28
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Mason JM, O’Brien ME, Koehl JL, Ji CS, Hayes BD. Cardiovascular Pharmacology. Emerg Med Clin North Am 2022; 40:771-792. [DOI: 10.1016/j.emc.2022.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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29
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Pacheco LD, Shepherd MC, Saade GS. Septic Shock and Cardiac Arrest in Obstetrics: A Practical Simplified Clinical View. Obstet Gynecol Clin North Am 2022; 49:461-471. [PMID: 36122979 DOI: 10.1016/j.ogc.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Septic shock and cardiac arrest during pregnancy, despite being uncommon, carry a high mortality rate among pregnant individuals. Basic initial management strategies are fundamental to improve clinical outcomes; obstetricians and maternal-fetal medicine specialists need to be familiar with such interventions.
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Affiliation(s)
- Luis D Pacheco
- Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine, and Anesthesiology, The University of Texas Medical Branch at Galveston, 301 University Boulevard, Galveston, TX 77555-0587, USA; Department of Obstetrics & Gynecology, Division of Surgical Critical Care, The University of Texas Medical Branch at Galveston, 301 University Boulevard, Galveston, TX 77555-0587, USA.
| | - Megan C Shepherd
- Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine, The University of Texas Medical Branch at Galveston, 301 University Boulevard, Galveston, TX 77555-0587, USA
| | - George S Saade
- Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine, The University of Texas Medical Branch at Galveston, 301 University Boulevard, Galveston, TX 77555-0587, USA
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30
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Stærk M, Lauridsen KG, Krogh K, Løfgren B. Distribution and use of automated external defibrillators and their effect on return of spontaneous circulation in Danish hospitals. Resusc Plus 2022; 9:100211. [PMID: 35199074 PMCID: PMC8842076 DOI: 10.1016/j.resplu.2022.100211] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 11/18/2022] Open
Abstract
Introduction Automated external defibrillators (AEDs) increase survival after out-of-hospital cardiac arrest. However, the effect of AEDs for in-hospital cardiac arrest (IHCA) remains uncertain. This study aims to describe the distribution and use of AEDs in Danish hospitals and investigate whether early rhythm analysis is associated with return of spontaneous circulation (ROSC). Methods All Danish public hospitals with a cardiac arrest team were included and sent a questionnaire on the in-hospital distribution of AEDs and manual defibrillators. Further, we collected data on IHCAs including rhythm analysis, device type, cardiac arrest team arrival, and ROSC from the national database on IHCA (DANARREST). Results Of 46 hospitals, 93% had AEDs and 93% had manual defibrillators. AEDs were often placed in wards or non-clinical areas, whereas manual defibrillators were often placed in areas with high-risk patients. We identified 3,204 IHCAs. AEDs were used in 13% of IHCAs. After adjustment for confounders, chance of ROSC was higher if the first rhythm analysis was performed before the arrival of the cardiac arrest team (RR: 1.28 (95% CI: 1.12–1.46)). The relative risk of ROSC was 1.09 (0.84–1.41) when analyzing with an AED before cardiac arrest team arrival and 1.19 (1.00–1.41) when using a manual defibrillator. However, there was no significant effect modification for AED vs manual defibrillator (p = 0.26). Conclusion AEDs are widely distributed in Danish hospitals but less commonly used for IHCAs compared to manual defibrillators. Rhythm analysis before arrival of the cardiac arrest team was associated with ROSC without significant effect modification of device type.
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Affiliation(s)
- Mathilde Stærk
- Department of Medicine, Randers Regional Hospital, Denmark
- Education and Research, Randers Regional Hospital, Denmark
| | - Kasper G. Lauridsen
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Emergency Department, Randers Regional Hospital, Denmark
- Department of Anesthesiology and Critical Care Medicine, Children’s Hospital of Philadelphia, USA
| | - Kristian Krogh
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Department of Anaesthesiology and Intensive Care, Aarhus University Hospital, Denmark
| | - Bo Løfgren
- Department of Medicine, Randers Regional Hospital, Denmark
- Research Center for Emergency Medicine, Aarhus University Hospital, Denmark
- Department of Clinical Medicine, Aarhus University, Denmark
- Corresponding author at: Department of Medicine, Randers Regional Hospital, Skovlyvej 15, 8930 Randers NE, Denmark.
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31
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Saghafi F, Bagheri N, Salehi-Abargouei A, Sahebnasagh A. Efficacy of combination triple therapy with vasopressin, steroid, and epinephrine in cardiac arrest: a systematic review and meta-analysis of randomized-controlled trials. J Intensive Care 2022; 10:5. [PMID: 35109925 PMCID: PMC8809021 DOI: 10.1186/s40560-022-00597-5] [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: 12/04/2021] [Accepted: 01/16/2022] [Indexed: 11/10/2022] Open
Abstract
Background This study investigated whether combination therapy with vasopressin, steroid, and epinephrine (VSE) improves in-hospital survival and return of spontaneous circulation (ROSC) during and after resuscitation in-hospital cardiac arrest (CA). Materials and methods Various databases were explored from inception until October 2021 for relevant published clinical trials and cohort studies. Results Three clinical trials were included. Pooled analysis suggested that VSE was significantly associated with increased ROSC in patients with in-hospital CA (IHCA) (odds ratio (OR): 2.281, 95% confidence interval (CI): 1.304–3.989, P value = 0.004). Meta-analysis of two studies (368 patients) demonstrated a significant difference in the reduction of mean arterial pressure (MAP) during and 15–20 min after cardiopulmonary resuscitation (standardized mean difference (SMD): 1.069, 95% CI: 0.851–1.288, P value < 0.001), renal failure free days (SMD = 0.590; 95% CI: 0.312–0.869 days; P value < 0.001), and coagulation failure free days (SMD = 0.403; 95% CI: 0.128–0.679, P value = 0.004). However, no significant difference was observed for survival-to-discharge ratio (OR: 2.082, 95% CI: 0.638–6.796, P value = 0.225) and ventilator free days (SMD = 0.201, 95% CI: − 0.677, 1.079 days; P value = 0.838). Conclusions VSE combination therapy during and after IHCA may have beneficial effects in terms of the ROSC, renal and circulatory failure free days, and MAP. Prospero registration: CRD42020178297 (05/07/2020). Supplementary Information The online version contains supplementary material available at 10.1186/s40560-022-00597-5.
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Affiliation(s)
- Fatemeh Saghafi
- Department of Clinical Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Negar Bagheri
- Pharmaceutical Sciences Research Center, School of Pharmacy, Student Research Committee, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Amin Salehi-Abargouei
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran.
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32
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Holmberg MJ, Granfeldt A, Mentzelopoulos SD, Andersen LW. Vasopressin and glucocorticoids for in-hospital cardiac arrest: A systematic review and meta-analysis of individual participant data. Resuscitation 2022; 171:48-56. [PMID: 34990764 DOI: 10.1016/j.resuscitation.2021.12.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 12/20/2022]
Abstract
AIM To perform a systematic review and individual participant data meta-analysis of vasopressin and glucocorticoids for the treatment of cardiac arrest. METHODS The PRISMA-IPD guidelines were followed. We searched Medline, Embase, and the Cochrane Library for randomized trials comparing vasopressin and glucocorticoids to placebo during cardiac arrest. The population included adults with cardiac arrest in any setting. Pairs of investigators reviewed studies for relevance, extracted data, and assessed risk of bias. Meta-analyses were conducted using individual participant data. A Bayesian framework was used to estimate posterior treatment effects assuming various prior beliefs. The certainty of evidence was evaluated using GRADE. RESULTS Three trials were identified including adult in-hospital cardiac arrests only. Individual participant data were obtained from all trials yielding a total of 869 patients. There was some heterogeneity in post-cardiac arrest interventions between the trials. The results favored vasopressin and glucocorticoids for return of spontaneous circulation (odds ratio: 2.09, 95%CI: 1.54 to 2.84, moderate certainty). Estimates for survival at discharge (odds ratio: 1.39, 95%CI: 0.90 to 2.14, low certainty) and favorable neurological outcome (odds ratio: 1.64, 95%CI, 0.99 to 2.72, low certainty) were more uncertain. The Bayesian estimates for return of spontaneous circulation were consistent with the primary analyses, whereas the estimates for survival at discharge and favorable neurological outcome were more dependent on the prior belief. CONCLUSIONS Among adults with in-hospital cardiac arrest, vasopressin and glucocorticoids compared to placebo, improved return of spontaneous circulation. Larger trials are needed to determine whether there is an effect on longer-term outcomes.
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Affiliation(s)
- Mathias J Holmberg
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Anesthesiology and Intensive Care, Randers Regional Hospital, Randers, Denmark
| | - Asger Granfeldt
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Spyros D Mentzelopoulos
- Department of Intensive Care Medicine, National and Kapodistrian University of Athens, Evaggelismos General Hospital, Athens, Greece
| | - Lars W Andersen
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark; Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark; Prehospital Emergency Medical Services, Central Denmark Region, Denmark.
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Han E, Kong T, You JS, Park I, Park G, Lee S, Chung SP. Effect of Prehospital Epinephrine on Out-of-Hospital Cardiac Arrest Outcomes: A Propensity Score-Matched Analysis. Yonsei Med J 2022; 63:187-194. [PMID: 35083905 PMCID: PMC8819407 DOI: 10.3349/ymj.2022.63.2.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 10/04/2021] [Accepted: 10/21/2021] [Indexed: 12/02/2022] Open
Abstract
PURPOSE A pilot project using epinephrine at the scene under medical control is currently underway in Korea. This study aimed to determine whether prehospital epinephrine administration is associated with improved survival and neurological outcomes in out-of-hospital cardiac arrest (OHCA) patients who received epinephrine during cardiopulmonary resuscitation (CPR) in the emergency department. MATERIALS AND METHODS This retrospective observational study used a nationwide multicenter OHCA registry. Patients were classified into two groups according to whether they received epinephrine at the scene or not. The associations between prehospital epinephrine use and outcomes were assessed using propensity score (PS)-matched analysis. Multivariable logistic regression analysis was performed using PS matching. The same analysis was repeated for the subgroup of patients with non-shockable rhythm. RESULTS PS matching was performed for 1084 patients in each group. Survival to discharge was significantly decreased in the patients who received prehospital epinephrine [odds ratio (OR) 0.415, 95% confidence interval (CI) 0.250-0.670, p<0.001]. However, no statistical significance was observed for good neurological outcome (OR 0.548, 95% CI 0.258-1.123, p=0.105). For the patient subgroup with non-shockable rhythm, prehospital epinephrine was also associated with lower survival to discharge (OR 0.514, 95% CI 0.306-0.844, p=0.010), but not with neurological outcome (OR 0.709, 95% CI 0.323-1.529, p=0.382). CONCLUSION Prehospital epinephrine administration was associated with decreased survival rates in OHCA patients but not statistically associated with neurological outcome in this PS-matched analysis. Further research is required to investigate the reason for the detrimental effect of epinephrine administered at the scene.
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Affiliation(s)
- Eunah Han
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Taeyoung Kong
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Je Sung You
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Incheol Park
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Goeun Park
- Biostatistics Collaboration Unit, Medical Research Center, Yousei University College of Medicine, Seoul, Korea
| | - Sujee Lee
- Biostatistics Collaboration Unit, Medical Research Center, Yousei University College of Medicine, Seoul, Korea
| | - Sung Phil Chung
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea.
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Murphy TW, Snipes G, Chowdhury MAB, McCall-Wright P, Aleong E, Taylor N, Messina MM, Carrazana G, Maciel CB, Becker TK. Review of novel therapeutics in cardiac arrest (ReNTICA): systematic review protocol. BMJ Open 2022; 12:e053304. [PMID: 34980619 PMCID: PMC8724734 DOI: 10.1136/bmjopen-2021-053304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Cardiac arrest remains a common and devastating cause of death and disability worldwide. While targeted temperature management has become standard of care to improve functional neurologic outcome, few pharmacologic interventions have shown similar promise. METHODS/ANALYSIS This systematic review will focus on prospective human studies from 2015 to 2020 available in PubMed, Web of Science and EMBASE with a primary focus on impact on functional neurologic outcome. Prospective studies that include pharmacologic agents given during or after cardiac arrest will be included. Study selection will be in keeping with Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. If sufficient data involving a given agent are available, a meta-analysis will be conducted and compared with current evidence for therapies recommended in international practice guidelines. ETHICS AND DISSEMINATION Formal ethical approval will not be required as primary data will not be collected. The results will be disseminated through peer-reviewed publication, conference presentation and lay press. PROSPERO REGISTRATION NUMBER International Prospective Register for Systematic Reviews (CRD42021230216).
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Affiliation(s)
- Travis W Murphy
- Department of Emergency Medicine, University of Florida, Gainesville, Florida, USA
| | - Garrett Snipes
- Internal Medicine, University of Florida College of Medicine, Gainesville, Florida, USA
| | | | - Patti McCall-Wright
- Health Science Center Libraries, University of Florida Clinical and Translational Science Institute (CTSI), Gainesville, Florida, USA
| | | | | | | | | | - Carolina B Maciel
- Neurology and Neurosurgery, University of Florida Health, Gainesville, Florida, USA
| | - Torben K Becker
- Emergency Medicine, University of Florida Health, Gainesville, Florida, USA
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Pressin' On: Effect of Vasopressin and Steroids on Achieving Return of Spontaneous Circulation During Inhospital Cardiac Arrest (The VAM-IHCA Trial): January 2022 Annals of Emergency Medicine Journal Club. Ann Emerg Med 2021; 79:81-83. [PMID: 34949410 DOI: 10.1016/j.annemergmed.2021.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Vallentin MF, Granfeldt A, Meilandt C, Povlsen AL, Sindberg B, Holmberg MJ, Iversen BN, Mærkedahl R, Mortensen LR, Nyboe R, Vandborg MP, Tarpgaard M, Runge C, Christiansen CF, Dissing TH, Terkelsen CJ, Christensen S, Kirkegaard H, Andersen LW. Effect of Intravenous or Intraosseous Calcium vs Saline on Return of Spontaneous Circulation in Adults With Out-of-Hospital Cardiac Arrest: A Randomized Clinical Trial. JAMA 2021; 326:2268-2276. [PMID: 34847226 PMCID: PMC8634154 DOI: 10.1001/jama.2021.20929] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
IMPORTANCE It is unclear whether administration of calcium has a beneficial effect in patients with cardiac arrest. OBJECTIVE To determine whether administration of calcium during out-of-hospital cardiac arrest improves return of spontaneous circulation in adults. DESIGN, SETTING, AND PARTICIPANTS This double-blind, placebo-controlled randomized clinical trial included 397 adult patients with out-of-hospital cardiac arrest and was conducted in the Central Denmark Region between January 20, 2020, and April 15, 2021. The last 90-day follow-up was on July 15, 2021. INTERVENTIONS The intervention consisted of up to 2 intravenous or intraosseous doses with 5 mmol of calcium chloride (n = 197) or saline (n = 200). The first dose was administered immediately after the first dose of epinephrine. MAIN OUTCOMES AND MEASURES The primary outcome was sustained return of spontaneous circulation. The secondary outcomes included survival and a favorable neurological outcome (modified Rankin Scale score of 0-3) at 30 days and 90 days. RESULTS Based on a planned interim analysis of 383 patients, the steering committee stopped the trial early due to concerns about harm in the calcium group. Of 397 adult patients randomized, 391 were included in the analyses (193 in the calcium group and 198 in the saline group; mean age, 68 [SD, 14] years; 114 [29%] were female). There was no loss to follow-up. There were 37 patients (19%) in the calcium group who had sustained return of spontaneous circulation compared with 53 patients (27%) in the saline group (risk ratio, 0.72 [95% CI, 0.49 to 1.03]; risk difference, -7.6% [95% CI, -16% to 0.8%]; P = .09). At 30 days, 10 patients (5.2%) in the calcium group and 18 patients (9.1%) in the saline group were alive (risk ratio, 0.57 [95% CI, 0.27 to 1.18]; risk difference, -3.9% [95% CI, -9.4% to 1.3%]; P = .17). A favorable neurological outcome at 30 days was observed in 7 patients (3.6%) in the calcium group and in 15 patients (7.6%) in the saline group (risk ratio, 0.48 [95% CI, 0.20 to 1.12]; risk difference, -4.0% [95% CI, -8.9% to 0.7%]; P = .12). Among the patients with calcium values measured who had return of spontaneous circulation, 26 (74%) in the calcium group and 1 (2%) in the saline group had hypercalcemia. CONCLUSIONS AND RELEVANCE Among adults with out-of-hospital cardiac arrest, treatment with intravenous or intraosseous calcium compared with saline did not significantly improve sustained return of spontaneous circulation. These results do not support the administration of calcium during out-of-hospital cardiac arrest in adults. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT04153435.
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Affiliation(s)
| | - Asger Granfeldt
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Carsten Meilandt
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
| | | | - Birthe Sindberg
- Research Center for Emergency Medicine, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Emergency Department, Aarhus University Hospital, Aarhus, Denmark
| | - Mathias J. Holmberg
- Research Center for Emergency Medicine, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Emergency Department, Aarhus University Hospital, Aarhus, Denmark
- Department of Cardiology, Viborg Regional Hospital, Viborg, Denmark
| | - Bo Nees Iversen
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Rikke Mærkedahl
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Herning Regional Hospital, Herning, Denmark
| | - Lone Riis Mortensen
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Randers Regional Hospital, Randers, Denmark
| | - Rasmus Nyboe
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Horsens Regional Hospital, Horsens, Denmark
| | - Mads Partridge Vandborg
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Viborg Regional Hospital, Viborg, Denmark
| | - Maren Tarpgaard
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Herning Regional Hospital, Herning, Denmark
| | - Charlotte Runge
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Elective Surgery Centre, Silkeborg Regional Hospital, Silkeborg, Denmark
| | | | - Thomas H. Dissing
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | | | - Steffen Christensen
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Hans Kirkegaard
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Research Center for Emergency Medicine, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Emergency Department, Aarhus University Hospital, Aarhus, Denmark
| | - Lars W. Andersen
- Prehospital Emergency Medical Services, Central Denmark Region, Aarhus
- Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
- Research Center for Emergency Medicine, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Emergency Department, Aarhus University Hospital, Aarhus, Denmark
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Fukuda T, Ohashi-Fukuda N, Inokuchi R, Kondo Y, Taira T, Kukita I. Timing of Intravenous Epinephrine Administration During Out-of-Hospital Cardiac Arrest. Shock 2021; 56:709-717. [PMID: 33481550 DOI: 10.1097/shk.0000000000001731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Current guidelines for cardiopulmonary resuscitation recommend that standard dose of epinephrine be administered every 3 to 5 min during cardiac arrest. However, there is controversy about the association between timing of epinephrine administration and outcomes after out-of-hospital cardiac arrest (OHCA). This study aimed to determine whether the timing of intravenous epinephrine administration is associated with outcomes after OHCA. METHODS We analyzed Japanese government-led nationwide population-based registry data for OHCA. Adult OHCA patients who received intravenous epinephrine by emergency medical service personnel in the prehospital setting from 2011 to 2017 were included. Multivariable logistic regression models were used to assess the associations between time to first epinephrine administration and outcomes after OHCA. Subsequently, associations between early (≤20 min) versus delayed (>20 min) epinephrine administration and outcomes after OHCA were examined using propensity score-matched analyses. The primary outcome was 1-month neurologically favorable survival. RESULTS A total of 119,946 patients (mean [SD] age, 75.2 [14.8] years; 61.4% male) were included. The median time to epinephrine was 23 min (interquartile range, 19-29). Longer time to epinephrine was significantly associated with a decreased chance of 1-month neurologically favorable survival (multivariable adjusted OR per minute delay, 0.91 [95% CI, 0.90-0.92]). In the propensity score-matched cohort, when compared with early (≤20 min) epinephrine, delayed (>20 min) epinephrine was associated with a decreased chance of 1-month neurologically favorable survival (959/42,804 [2.2%] vs. 330/42,804 [0.8%]; RR, 0.34; 95% CI, 0.30-0.39; NNT, 69). CONCLUSIONS Delay in epinephrine administration was associated with a decreased chance of 1-month neurologically favorable survival among patients with OHCA.
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Affiliation(s)
- Tatsuma Fukuda
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Naoko Ohashi-Fukuda
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryota Inokuchi
- Department of Health Services Research, University of Tsukuba, Ibaraki, Japan
| | - Yutaka Kondo
- Department of Emergency and Critical Care Medicine, Juntendo University Urayasu Hospital, Chiba, Japan
- Department of Clinical Epidemiology and Health Economics, The University of Tokyo, Tokyo, Japan
| | - Takayuki Taira
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
- Department of Anesthesiology, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Ichiro Kukita
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
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On-Site Medical Management of Avalanche Victims-A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph181910234. [PMID: 34639535 PMCID: PMC8507645 DOI: 10.3390/ijerph181910234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/18/2021] [Accepted: 09/19/2021] [Indexed: 12/26/2022]
Abstract
Avalanche accidents are common in mountain regions and approximately 100 fatalities are counted in Europe each year. The average mortality rate is about 25% and survival chances are mainly determined by the degree and duration of avalanche burial, the patency of the airway, the presence of an air pocket, snow characteristics, and the severity of traumatic injuries. The most common cause of death in completely buried avalanche victims is asphyxia followed by trauma. Hypothermia accounts for a minority of deaths; however, hypothermic cardiac arrest has a favorable prognosis and prolonged resuscitation and extracorporeal rewarming are indicated. In this article, we give an overview on the pathophysiology and on-site management of avalanche victims.
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Vandersmissen H, Gworek H, Dewolf P, Sabbe M. Drug use during adult advanced cardiac life support: An overview of reviews. Resusc Plus 2021; 7:100156. [PMID: 34430950 PMCID: PMC8371248 DOI: 10.1016/j.resplu.2021.100156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/14/2021] [Accepted: 07/17/2021] [Indexed: 01/08/2023] Open
Abstract
AIM To conduct an overview of systematic reviews and meta-analyses to summarize the ever-growing evidence on drug use during advanced life support. METHODS We searched Embase, Medline, Cochrane central register of controlled trials and Web of science for systematic reviews and meta-analyses reporting on drug use during advanced life support from inception to March, 2020. Two reviewers independently assessed all abstracts for eligibility, extracted data and assessed risk of bias using the AMSTAR-2 tool. Corrected covered areas were calculated from publication citation matrices to account for potential risk of bias. Data were graphically represented using forest plots. RESULTS Twenty-two head-to-head drug comparisons from 47 included articles were analysed. Adrenaline significantly increases the incidence of return of spontaneous circulation and survival to hospital discharge, but not the incidence of neurological intact survival. Vasopressin alone or in combination with adrenaline is not superior to adrenaline alone. There is a trend favouring lidocaine over amiodarone in shockable cardiac arrest. The risk of bias assessment of included studies ranged from very low to very high and the overlap between articles was moderate to high. CONCLUSIONS In line with the guidelines, we currently suggest that a standard dose of adrenaline should be administered during resuscitation, however, studies assessing lower doses of adrenaline are pressing. There is no rationale for the combination of vasopressin and adrenaline or vasopressin alone instead of adrenaline. In addition, lidocaine is a valuable alternative for amiodarone and maybe even preferable for shockable cardiac arrest. However more research is necessary.
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Affiliation(s)
- Hans Vandersmissen
- Department of Emergency Medicine, University Hospitals of Leuven, Leuven, Belgium
- KULeuven, Faculty of Medicine, Leuven, Belgium
| | - Hanne Gworek
- Department of Emergency Medicine, University Hospitals of Leuven, Leuven, Belgium
- KULeuven, Faculty of Medicine, Leuven, Belgium
| | - Philippe Dewolf
- Department of Emergency Medicine, University Hospitals of Leuven, Leuven, Belgium
- KULeuven, Department of Public Health and Primary Care, Leuven, Belgium
- KULeuven, Faculty of Medicine, Leuven, Belgium
| | - Marc Sabbe
- Department of Emergency Medicine, University Hospitals of Leuven, Leuven, Belgium
- KULeuven, Department of Public Health and Primary Care, Leuven, Belgium
- KULeuven, Faculty of Medicine, Leuven, Belgium
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Okubo M, Komukai S, Callaway CW, Izawa J. Association of Timing of Epinephrine Administration With Outcomes in Adults With Out-of-Hospital Cardiac Arrest. JAMA Netw Open 2021; 4:e2120176. [PMID: 34374770 PMCID: PMC8356068 DOI: 10.1001/jamanetworkopen.2021.20176] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
IMPORTANCE Administration of epinephrine has been found to be associated with an increased chance of survival after out-of-hospital cardiac arrest (OHCA), but the optimal timing of administration has not been fully investigated. OBJECTIVE To ascertain whether there is an association between timing of epinephrine administration and patient outcomes after OHCA. DESIGN, SETTING, AND PARTICIPANTS This cohort study included adults 18 years or older with OHCA treated by emergency medical services (EMS) personnel from April 1, 2011, to June 30, 2015. Initial cardiac rhythm was stratified as either initially shockable (ventricular defibrillation or pulseless ventricular tachycardia) or nonshockable (pulseless electrical activity or asystole). Eligible individuals were identified from among publicly available, deidentified patient-level data from the Resuscitation Outcomes Consortium Cardiac Epidemiologic Registry, a prospective registry of adults with EMS-treated, nontraumatic OHCA with 10 sites in North America. Data analysis was conducted from May 2019 to April 2021. EXPOSURES Interval between advanced life support (ALS)-trained EMS personnel arrival at the scene and the first prehospital intravenous or intraosseous administration of epinephrine. MAIN OUTCOMES AND MEASURES The primary outcome was survival to hospital discharge. In each cohort of initial cardiac rhythms, patients who received epinephrine at any period (minutes) after EMS arrival at the scene were matched with patients who were at risk of receiving epinephrine within the same period using time-dependent propensity scores calculated from patient demographic characteristics, arrest characteristics, and EMS interventions. RESULTS Of 41 079 eligible individuals (median [interquartile range] age, 67 [55-79] years), 26 579 (64.7%) were men. A total of 10 088 individuals (24.6%) initially had shockable cardiac rhythms, and 30 991 (75.4%) had nonshockable rhythms. Those who received epinephrine included 8223 patients (81.5%) with shockable cardiac rhythms and 27 901 (90.0%) with nonshockable rhythms. In the shockable cardiac rhythm cohort, the risk ratio (RR) for receipt of epinephrine with survival to hospital discharge was highest between 0 and 5 minutes after EMS arrival (1.12; 95% CI, 0.99-1.26) across the categorized timing of the administration of epinephrine by 5-minute intervals after EMS arrival; however, that finding was not statistically significant. Treating the timing of epinephrine administration as a continuous variable, the RR for survival to hospital discharge decreased 5.5% (95% CI, 3.4%-7.5%; P < .001 for the interaction between epinephrine administration and time to matching) per minute after EMS arrival. In the nonshockable cardiac rhythm cohort, the RR for the association of receipt of epinephrine with survival to hospital discharge was the highest between 0 and 5 minutes (1.28; 95% CI, 0.95-1.72), although not statistically significant, and decreased 4.4% (95% CI, 0.8%-7.9%; P for interaction = .02) per minute after EMS arrival. CONCLUSIONS AND RELEVANCE Among adults with OHCA, survival to hospital discharge differed across the timing of epinephrine administration and decreased with delayed administration for both shockable and nonshockable rhythms.
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Affiliation(s)
- Masashi Okubo
- Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Sho Komukai
- Division of Biomedical Statistics, Department of Integrated Medicine, Osaka University Graduate School of Medicine, Suita, Japan
| | - Clifton W. Callaway
- Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Junichi Izawa
- Department of Internal Medicine, Okinawa Prefectural Yaeyama Hospital, Okinawa, Japan
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Fukuda T, Kaneshima H, Matsudaira A, Chinen T, Sekiguchi H, Ohashi-Fukuda N, Inokuchi R, Kukita I. Epinephrine dosing interval and neurological outcome in out-of-hospital cardiac arrest. Perfusion 2021; 37:835-846. [PMID: 34120526 DOI: 10.1177/02676591211025163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Current guidelines for cardiopulmonary resuscitation (CPR) recommend that standard-dose epinephrine be administered every 3-5 minutes during cardiac arrest. However, there is a knowledge gap regarding the optimal epinephrine dosing interval. This study aimed to examine the association between epinephrine dosing intervals and outcomes after out-of-hospital cardiac arrest (OHCA). METHODS This was a nationwide population-based observational study using data from a Japanese government-led registry of OHCA, including patients who experienced OHCA in Japan from 2011 to 2017. We defined the epinephrine dosing interval as the time interval between the first epinephrine administration and return of spontaneous circulation in the prehospital setting, divided by the total number of epinephrine doses. The primary outcome was 1-month neurologically favorable survival. RESULTS A total of 10,965 patients (mean (SD) age, 75.8 (14.3) years; 59.8% male) were included. The median epinephrine dosing interval was 3.5 minutes (IQR, 2.5-4.5; mean (SD), 3.6 (1.8)). Only approximately half of the patients received epinephrine administration with a standard dosing interval, as recommended in the current CPR guidelines. After multivariable adjustment, compared with the standard dosing interval, neither shorter nor longer epinephrine dosing intervals were associated with neurologically favorable survival after OHCA (Short vs Standard: adjusted OR 0.87 [95%CI 0.66-1.15]; and Long vs Standard: adjusted OR 1.08 [95%CI 0.76-1.55]). Similar associations were observed in propensity score-matched analyses. CONCLUSIONS The epinephrine dosing interval was not associated with 1-month neurologically favorable survival after OHCA. Our findings do not deny the recommended epinephrine dosing interval in the current CPR guidelines.
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Affiliation(s)
- Tatsuma Fukuda
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan.,Department of Emergency and Critical Care Medicine, Toranomon Hospital, Tokyo, Japan
| | - Hirotsugu Kaneshima
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Aya Matsudaira
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Takumi Chinen
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Hiroshi Sekiguchi
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Naoko Ohashi-Fukuda
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryota Inokuchi
- Department of Health Services Research, University of Tsukuba, Ibaraki, Japan
| | - Ichiro Kukita
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
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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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Soar J, Böttiger BW, Carli P, Couper K, Deakin CD, Djärv T, Lott C, Olasveengen T, Paal P, Pellis T, Perkins GD, Sandroni C, Nolan JP. [Adult advanced life support]. Notf Rett Med 2021; 24:406-446. [PMID: 34121923 PMCID: PMC8185697 DOI: 10.1007/s10049-021-00893-x] [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: 04/20/2021] [Indexed: 12/19/2022]
Abstract
These European Resuscitation Council Advanced Life Support guidelines are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the prevention of and ALS treatments for both in-hospital cardiac arrest and out-of-hospital cardiac arrest.
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Affiliation(s)
- Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, Großbritannien
| | - Bernd W. Böttiger
- Department of Anaesthesiology and Intensive Care Medicine, Universitätsklinikum Köln, Köln, Deutschland
| | - Pierre Carli
- SAMU de Paris, Center Hospitalier Universitaire Necker Enfants Malades, Assistance Publique Hôpitaux de Paris, and Université Paris Descartes, Paris, Frankreich
| | - Keith Couper
- Critical Care Unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham, Großbritannien
- Warwick Medical School, University of Warwick, Coventry, Großbritannien
| | - Charles D. Deakin
- University Hospital Southampton NHS Foundation Trust, Southampton, Großbritannien
- South Central Ambulance Service NHS Foundation Trust, Otterbourne, Großbritannien
| | - Therese Djärv
- Dept of Acute and Reparative Medicine, Karolinska University Hospital, Stockholm, Schweden
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Schweden
| | - Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-Universität Mainz, Mainz, Deutschland
| | - Theresa Olasveengen
- Department of Anesthesiology, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norwegen
| | - Peter Paal
- Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Österreich
| | - Tommaso Pellis
- Department of Anaesthesia and Intensive Care, Azienda Sanitaria Friuli Occidentale, Pordenone, Italien
| | - Gavin D. Perkins
- Warwick Medical School and University Hospitals Birmingham NHS Foundation Trust, University of Warwick, Coventry, Großbritannien
| | - Claudio Sandroni
- Department of Intensive Care, Emergency Medicine and Anaesthesiology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Rom, Italien
- Institute of Anaesthesiology and Intensive Care Medicine, Università Cattolica del Sacro Cuore, Rom, Italien
| | - Jerry P. Nolan
- Warwick Medical School, Coventry, Großbritannien, Consultant in Anaesthesia and Intensive Care Medicine Royal United Hospital, University of Warwick, Bath, Großbritannien
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Oh J, Cha KC, Lee JH, Park S, Kim DH, Lee BK, Park JS, Jung WJ, Lee DK, Roh YI, Kim TY, Chung SP, Kim YM, Park JD, Kim HS, Lee MJ, Na SH, Cho GC, Kim ARE, Hwang SO. 2020 Korean Guidelines for Cardiopulmonary Resuscitation. Part 4. Adult advanced life support. Clin Exp Emerg Med 2021; 8:S26-S40. [PMID: 34034448 PMCID: PMC8171171 DOI: 10.15441/ceem.21.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 03/19/2021] [Indexed: 11/23/2022] Open
Affiliation(s)
- Jaehoon Oh
- Department of Emergency Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Kyoung-Chul Cha
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jong-Hwan Lee
- Department of Anesthesiology and Pain Medicine, Sungkyunkwan University College of Medicine, Seoul, Korea
| | - Seungmin Park
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Dong-Hyeok Kim
- Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea
| | - Byung Kook Lee
- Department of Emergency Medicine, Chonnam National University College of Medicine, Gwangju, Korea
| | - Jung Soo Park
- Department of Emergency Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Woo Jin Jung
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Dong Keon Lee
- Department of Anesthesiology and Pain Medicine, Sungkyunkwan University College of Medicine, Seoul, Korea
| | - Young Il Roh
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Tae Youn Kim
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Sung Phil Chung
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Young-Min Kim
- Department of Emergency Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - June Dong Park
- Department of Emergency Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Han-Suk Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Mi Jin Lee
- Department of Emergency Medicine, Kyungpook National University College of Medicine, Daegu, Korea
| | - Sang-Hoon Na
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Gyu Chong Cho
- Department of Emergency Medicine, Hallym University College of Medicine, Seoul, Korea
| | - Ai-Rhan Ellen Kim
- Department of Pediatrics, Ulsan University College of Medicine, Seoul, Korea
| | - Sung Oh Hwang
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
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Perkins GD, Ji C, Achana F, Black JJ, Charlton K, Crawford J, de Paeztron A, Deakin C, Docherty M, Finn J, Fothergill RT, Gates S, Gunson I, Han K, Hennings S, Horton J, Khan K, Lamb S, Long J, Miller J, Moore F, Nolan J, O'Shea L, Petrou S, Pocock H, Quinn T, Rees N, Regan S, Rosser A, Scomparin C, Slowther A, Lall R. Adrenaline to improve survival in out-of-hospital cardiac arrest: the PARAMEDIC2 RCT. Health Technol Assess 2021; 25:1-166. [PMID: 33861194 DOI: 10.3310/hta25250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Adrenaline has been used as a treatment for cardiac arrest for many years, despite uncertainty about its effects on long-term outcomes and concerns that it may cause worse neurological outcomes. OBJECTIVES The objectives were to evaluate the effects of adrenaline on survival and neurological outcomes, and to assess the cost-effectiveness of adrenaline use. DESIGN This was a pragmatic, randomised, allocation-concealed, placebo-controlled, parallel-group superiority trial and economic evaluation. Costs are expressed in Great British pounds and reported in 2016/17 prices. SETTING This trial was set in five NHS ambulance services in England and Wales. PARTICIPANTS Adults treated for an out-of-hospital cardiac arrest were included. Patients were ineligible if they were pregnant, if they were aged < 16 years, if the cardiac arrest had been caused by anaphylaxis or life-threatening asthma, or if adrenaline had already been given. INTERVENTIONS Participants were randomised to either adrenaline (1 mg) or placebo in a 1 : 1 allocation ratio by the opening of allocation-concealed treatment packs. MAIN OUTCOME MEASURES The primary outcome was survival to 30 days. The secondary outcomes were survival to hospital admission, survival to hospital discharge, survival at 3, 6 and 12 months, neurological outcomes and health-related quality of life through to 6 months. The economic evaluation assessed the incremental cost per quality-adjusted life-year gained from the perspective of the NHS and Personal Social Services. Participants, clinical teams and those assessing patient outcomes were masked to the treatment allocation. RESULTS From December 2014 to October 2017, 8014 participants were assigned to the adrenaline (n = 4015) or to the placebo (n = 3999) arm. At 30 days, 130 out of 4012 participants (3.2%) in the adrenaline arm and 94 out of 3995 (2.4%) in the placebo arm were alive (adjusted odds ratio for survival 1.47, 95% confidence interval 1.09 to 1.97). For secondary outcomes, survival to hospital admission was higher for those receiving adrenaline than for those receiving placebo (23.6% vs. 8.0%; adjusted odds ratio 3.83, 95% confidence interval 3.30 to 4.43). The rate of favourable neurological outcome at hospital discharge was not significantly different between the arms (2.2% vs. 1.9%; adjusted odds ratio 1.19, 95% confidence interval 0.85 to 1.68). The pattern of improved survival but no significant improvement in neurological outcomes continued through to 6 months. By 12 months, survival in the adrenaline arm was 2.7%, compared with 2.0% in the placebo arm (adjusted odds ratio 1.38, 95% confidence interval 1.00 to 1.92). An adjusted subgroup analysis did not identify significant interactions. The incremental cost-effectiveness ratio for adrenaline was estimated at £1,693,003 per quality-adjusted life-year gained over the first 6 months after the cardiac arrest event and £81,070 per quality-adjusted life-year gained over the lifetime of survivors. Additional economic analyses estimated incremental cost-effectiveness ratios for adrenaline at £982,880 per percentage point increase in overall survival and £377,232 per percentage point increase in neurological outcomes over the first 6 months after the cardiac arrest. LIMITATIONS The estimate for survival with a favourable neurological outcome is imprecise because of the small numbers of patients surviving with a good outcome. CONCLUSIONS Adrenaline improved long-term survival, but there was no evidence that it significantly improved neurological outcomes. The incremental cost-effectiveness ratio per quality-adjusted life-year exceeds the threshold of £20,000-30,000 per quality-adjusted life-year usually supported by the NHS. FUTURE WORK Further research is required to better understand patients' preferences in relation to survival and neurological outcomes after out-of-hospital cardiac arrest and to aid interpretation of the trial findings from a patient and public perspective. TRIAL REGISTRATION Current Controlled Trials ISRCTN73485024 and EudraCT 2014-000792-11. FUNDING This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 25, No. 25. See the NIHR Journals Library website for further project information.
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Affiliation(s)
- Gavin D Perkins
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK.,Heartlands Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Chen Ji
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Felix Achana
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - John Jm Black
- South Central Ambulance Service NHS Foundation Trust, Bicester, UK
| | - Karl Charlton
- North East Ambulance Service NHS Foundation Trust, Newcastle upon Tyne, UK
| | - James Crawford
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Adam de Paeztron
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | | | - Mark Docherty
- West Midlands Ambulance Service University NHS Foundation Trust, Brierley Hill, UK
| | - Judith Finn
- Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), Curtin University, Perth, WA, Australia
| | | | - Simon Gates
- Cancer Research Clinical Trials Unit (CRCTU), University of Birmingham, Birmingham, UK
| | - Imogen Gunson
- West Midlands Ambulance Service University NHS Foundation Trust, Brierley Hill, UK
| | - Kyee Han
- North East Ambulance Service NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Susie Hennings
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Jessica Horton
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Kamran Khan
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Sarah Lamb
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - John Long
- Patient and Public Involvement Representative, Warwick, UK
| | - Joshua Miller
- West Midlands Ambulance Service University NHS Foundation Trust, Brierley Hill, UK
| | - Fionna Moore
- South East Coast Ambulance Service NHS Foundation Trust, Crawley, UK
| | - Jerry Nolan
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK.,Royal United Hospitals Bath NHS Foundation Trust, Bath, UK
| | | | - Stavros Petrou
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Helen Pocock
- South Central Ambulance Service NHS Foundation Trust, Bicester, UK
| | - Tom Quinn
- Emergency, Cardiovascular and Critical Care Research Group, Faculty of Health, Social Care and Education, Kingston University London and St George's, University of London, London, UK
| | - Nigel Rees
- Welsh Ambulance Service NHS Trust, St Asaph, UK
| | - Scott Regan
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Andy Rosser
- West Midlands Ambulance Service University NHS Foundation Trust, Brierley Hill, UK
| | - Charlotte Scomparin
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Anne Slowther
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
| | - Ranjit Lall
- Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry, UK
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Soar J, Böttiger BW, Carli P, Couper K, Deakin CD, Djärv T, Lott C, Olasveengen T, Paal P, Pellis T, Perkins GD, Sandroni C, Nolan JP. European Resuscitation Council Guidelines 2021: Adult advanced life support. Resuscitation 2021; 161:115-151. [PMID: 33773825 DOI: 10.1016/j.resuscitation.2021.02.010] [Citation(s) in RCA: 407] [Impact Index Per Article: 135.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
These European Resuscitation Council Advanced Life Support guidelines, are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the prevention of and ALS treatments for both in-hospital cardiac arrest and out-of-hospital cardiac arrest.
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Affiliation(s)
- Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, UK.
| | - Bernd W Böttiger
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Cologne, Germany
| | - Pierre Carli
- SAMU de Paris, Centre Hospitalier Universitaire Necker Enfants Malades, Assistance Publique Hôpitaux de Paris, and Université Paris Descartes, Paris, France
| | - Keith Couper
- Critical Care Unit, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK; Warwick Medical School, University of Warwick, Coventry,UK
| | - Charles D Deakin
- University Hospital Southampton NHS Foundation Trust, Southampton, UK; South Central Ambulance Service NHS Foundation Trust, Otterbourne,UK
| | - Therese Djärv
- Dept of Acute and Reparative Medicine, Karolinska University Hospital, Stockholm, Sweden, Department of Medicine Solna, Karolinska Institutet,Stockholm, Sweden
| | - Carsten Lott
- Department of Anesthesiology, University Medical Center, Johannes Gutenberg-Universitaet Mainz, Germany
| | - Theresa Olasveengen
- Department of Anesthesiology, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Norway
| | - Peter Paal
- Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Tommaso Pellis
- Department of Anaesthesia and Intensive Care, Azienda Sanitaria Friuli Occidentale, Italy
| | - Gavin D Perkins
- University of Warwick, Warwick Medical School and University Hospitals Birmingham NHS Foundation Trust, Coventry, UK
| | - Claudio Sandroni
- Department of Intensive Care, Emergency Medicine and Anaesthesiology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Rome, Italy; Institute of Anaesthesiology and Intensive Care Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Jerry P Nolan
- University of Warwick, Warwick Medical School, Coventry, CV4 7AL; Royal United Hospital, Bath, UK
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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: 280] [Impact Index Per Article: 93.3] [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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The limitations of evidence: increasing data and increasing doubt in the treatment of cardiac arrest. Curr Opin Crit Care 2021; 26:617-621. [PMID: 33109950 DOI: 10.1097/mcc.0000000000000765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Cardiac arrest is one of the most challenging disease processes to study with clinical trials due to the emergent and unpredictable nature of these events and complexity of the patient population. In recent years, there has been a major push to complete more large, multicentre trials. In many cases, however, there remains little certainty on what treatments are most efficacious, in spite of the recent increase in evidence. This review was undertaken to address some of the unique barriers to address answering research questions in cardiac arrest with clinical trials. RECENT FINDINGS Multiple examples of trials that have failed to reach definitive conclusions, and potential reasons for this, are discussed. SUMMARY Trials on multiple major cardiac arrest interventions, including temperature management, drugs during cardiopulmonary resuscitation (CPR) and airway management, now have high-quality randomized trials, but significant questions on efficacy and best practices remain. Common pitfalls and reasons for this are explored, including heterogeneity of patients and providers, variability in exact interventions studied, delay in starting research interventions and lack of consistency across systems in decision making around appropriateness for resuscitation.
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Delay to initiation of out-of-hospital cardiac arrest EMS treatments. Am J Emerg Med 2021; 41:60-65. [PMID: 33387930 DOI: 10.1016/j.ajem.2020.12.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Time to initial treatment is important in any response to out-of-hospital cardiac arrest (OHCA). The purpose of this paper was to quantify the time delay for providing initial EMS treatments supplemented by comparison with those of other EMS systems conducting clinical trials. METHODS Data were collected between 1/1/16-2/15/19. Dispatched, EMS-worked, adult OHCA cases occurring before EMS arrival were included and compared with published treatment time data. Response time and time-to-treatment intervals were profiled in both groups. Time intervals were calculated by subtracting the following timepoints from 9-1-1 call receipt: ambulance in route; at curb; patient contact; first defibrillation; first epinephrine; and first antiarrhythmic. RESULTS 342 subjects met study inclusion/exclusion. Mean time intervals (min [95%CI]) from 9-1-1 call receipt to the following EMS endpoints were: dispatch 0.1 [0.05-0.2]; at curb 5.0 [4.5, 5.5]; at patient 6.7 [6.1, 7.2];, first defibrillation initially shockable 11.7 [10.1, 13.3]; first epinephrine (initially shockable 15.0 [12.8, 17.2], initially non-shockable 14.8 [13.5, 15.9]), first antiarrhythmic 25.1 [22.0, 28.2]. These findings were similar to data in 5 published clinical trials involving 12,954 subjects. CONCLUSIONS Delay to EMS treatments are common and may affect clinical outcomes. Neither Utstein out-of-hospital guidelines [1] nor U.S. Cardiac Arrest Registry to Enhance Survival (CARES) databases require capture of these elements. EMS is often not providing treatments quickly enough to optimize clinical outcomes. Further regulatory change/research are needed to determine whether OHCA outcome can be improved by novel changes such as enhancing bystander effectiveness through drone-delivered drugs/devices & real-time dispatcher direction on their use.
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The ineffable epinephrine in the labyrinth of evidence-based medicine. Eur J Emerg Med 2021; 28:7-8. [PMID: 33369954 DOI: 10.1097/mej.0000000000000780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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