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Carenzo L, Calgaro G, Rehn M, Perkins Z, Qasim ZA, Gamberini L, Ter Avest E. Contemporary management of traumatic cardiac arrest and peri-arrest states: a narrative review. JOURNAL OF ANESTHESIA, ANALGESIA AND CRITICAL CARE 2024; 4:66. [PMID: 39327636 PMCID: PMC11426104 DOI: 10.1186/s44158-024-00197-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Accepted: 08/29/2024] [Indexed: 09/28/2024]
Abstract
Trauma is a leading cause of death and disability worldwide across all age groups, with traumatic cardiac arrest (TCA) presenting a significant economic and societal burden due to the loss of productive life years. Despite TCA's high mortality rate, recent evidence indicates that survival with good and moderate neurological recovery is possible. Successful resuscitation in TCA depends on the immediate and simultaneous treatment of reversible causes according to pre-established algorithms. The HOTT protocol, addressing hypovolaemia, oxygenation (hypoxia), tension pneumothorax, and cardiac tamponade, forms the foundation of TCA management. Advanced interventions, such as resuscitative thoracotomy and resuscitative endovascular balloon occlusion of the aorta (REBOA), further enhance treatment. Contemporary approaches also consider metabolic factors (e.g. hyperkalaemia, calcium imbalances) and hemostatic resuscitation. This narrative review explores the advanced management of TCA and peri-arrest states, discussing the epidemiology and pathophysiology of peri-arrest and TCA. It integrates classic TCA management strategies with the latest evidence and practical applications.
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Affiliation(s)
- Luca Carenzo
- Department of Anesthesia and Intensive Care Medicine, IRCCS Humanitas Research Hospital, Rozzano, Milano, 20089, Italy.
| | - Giulio Calgaro
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milano, Italy
| | - Marius Rehn
- Pre-Hospital Division, Air Ambulance Department, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- The Norwegian Air Ambulance Foundation, Oslo, Norway
| | - Zane Perkins
- Centre for Trauma Sciences, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- London's Air Ambulance and Barts Health NHS Trust, Royal London Hospital, London, UK
| | - Zaffer A Qasim
- Department of Emergency Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Lorenzo Gamberini
- Department of Anesthesia, Intensive Care and Prehospital Emergency, Maggiore Hospital Carlo Alberto Pizzardi, Bologna, Italy
| | - Ewoud Ter Avest
- London's Air Ambulance and Barts Health NHS Trust, Royal London Hospital, London, UK
- Department of Emergency Medicine, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
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Jiang L, Chen S, Pan X, Zhang J, Yin X, Guo C, Sun M, Ding B, Zhai X, Li K, Wang J, Chen Y. Estimation of invasive coronary perfusion pressure using electrocardiogram and Photoplethysmography in a porcine model of cardiac arrest. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2024; 254:108284. [PMID: 38924799 DOI: 10.1016/j.cmpb.2024.108284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 06/09/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Coronary perfusion pressure (CPP) indicates spontaneous return of circulation and is recommended for high-quality cardiopulmonary resuscitation (CPR). This study aimed to investigate a method for non-invasive estimation of CPP using electrocardiography (ECG) and photoplethysmography (PPG) during CPR. METHODS Nine pigs were used in this study. ECG, PPG, invasive arterial blood pressure (ABP), and right atrial pressure (RAP) signals were simultaneously recorded. The CPPs were estimated using three datasets: (a) ECG, (b) PPG, and (c) ECG and PPG, and were compared with invasively measured CPPs. Four machine-learning algorithms, namely support vector regression, random forest (RF), K-nearest neighbor, and gradient-boosted regression tree, were used for estimation of CPP. RESULTS The RF model with a combined ECG and PPG dataset achieved better estimation of CPP than the other algorithms. Specifically, the mean absolute error was 4.49 mmHg, the root mean square error was 6.15 mm Hg, and the adjusted R2 was 0.75. A strong correlation was found between the non-invasive estimation and invasive measurement of CPP (r = 0.88), which supported our hypothesis that machine-learning-based analysis of ECG and PPG parameters can provide a non-invasive estimation of CPP for CPR. CONCLUSIONS This study proposes a novel estimation of CPP using ECG and PPG with machine-learning-based algorithms. Non-invasively estimated CPP showed a high correlation with invasively measured CPP and may serve as an easy-to-use physiological indicator for high-quality CPR treatment.
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Affiliation(s)
- Lijun Jiang
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China
| | - Shuxin Chen
- The Institute of Intelligent Medical, Department of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan, China
| | - Xin Pan
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China
| | - Jingyu Zhang
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China
| | - Xinxin Yin
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China
| | - Chang Guo
- The Institute of Intelligent Medical, Department of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan, China
| | - Mingze Sun
- The Institute of Intelligent Medical, Department of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan, China
| | - Bozhi Ding
- The Institute of Intelligent Medical, Department of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan, China
| | - Xiaoxuan Zhai
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China
| | - Ke Li
- The Institute of Intelligent Medical, Department of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Jinan, China.
| | - Jiali Wang
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China.
| | - Yuguo Chen
- Department of Emergency Medicine and Chest Pain Center, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Clinical Research Center for Emergency and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China; Shandong Provincial Engineering Research Center for Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China; Medical and Pharmaceutical Basic Research Innovation Center of Emergency and Critical Care Medicine, Chinese Ministry of Education, Qilu Hospital of Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Public Health, Qilu Hospital, Shandong University, Jinan, China.
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3
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Sorcher JL, Santos PT, Adams S, Kulikowicz E, Vaidya D, Lee JK, Hunt EA, Koehler RC, Shaffner DH, O'Brien CE. Association of diastolic blood pressure with coronary perfusion pressure during resuscitation in pediatric swine. Pediatr Res 2024:10.1038/s41390-024-03308-y. [PMID: 39009765 DOI: 10.1038/s41390-024-03308-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 04/25/2024] [Accepted: 05/18/2024] [Indexed: 07/17/2024]
Abstract
BACKGROUND Diastolic blood pressure (DBP) is suggested as a surrogate for coronary perfusion pressure (CPP) during cardiopulmonary resuscitation. We examined the correlation between DBP and CPP and hypothesized that both would be associated with survival in a pediatric swine model of asphyxial cardiac arrest. METHODS We performed a retrospective, secondary analysis of 102 pediatric swine resuscitations. DBP and CPP were recorded every 30 s during resuscitation. Values were compared between survivors and non-survivors. RESULTS DBP mirrored CPP in survivors and non-survivors throughout resuscitation and both were associated with survival. Improvements in DBP and CPP after the first epinephrine administration were greater in survivors (DBP: 25.1 ± 3.0 vs. 5.4 ± 0.8 mmHg, p < 0.01; CPP: 24.9 ± 3.2 vs. 4.8 ± 0.9 mmHg, p < 0.01). DBP and CPP after epinephrine administration were highly predictive of survival, with an area under the curve of 0.95 (0.89-1.00) for DBP and 0.90 (0.81-0.99) for CPP. The optimal threshold for DBP was 22.5 mmHg, whereas that for CPP was 14.5 mmHg. CONCLUSIONS DBP and CPP were associated with survival throughout resuscitation, and the response of both to the first epinephrine administration was highly predictive of survival in this model. Clinically, the availability of DBP makes it useful as a target for physiologic feedback during resuscitation. IMPACT Diastolic blood pressure (DBP) mirrored coronary perfusion pressure (CPP) throughout prolonged resuscitation in a pediatric model of asphyxial cardiac arrest. Mean DBP and CPP were significantly greater in survivors than in non-survivors both before and after administration of epinephrine. The response of both DBP and CPP to the first dose of epinephrine was highly predictive of return of spontaneous circulation. Given the clinical availability of DBP, these findings support its use as a surrogate for CPP to guide high-quality cardiopulmonary resuscitation in this pediatric swine model.
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Affiliation(s)
- Jill L Sorcher
- Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Polan T Santos
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Shawn Adams
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ewa Kulikowicz
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Dhananjay Vaidya
- Department of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jennifer K Lee
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Elizabeth A Hunt
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Division of Health Sciences Informatics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Raymond C Koehler
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Donald H Shaffner
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Caitlin E O'Brien
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Kim HE, Chu SE, Jo YH, Chiang WC, Jang DH, Chang CH, Oh SH, Chen HA, Park SM, Sun JT, Lee DK. Effect of resuscitative endovascular balloon occlusion of the aorta in nontraumatic out-of-hospital cardiac arrest: a multinational, multicenter, randomized, controlled trial. Trials 2024; 25:118. [PMID: 38347550 PMCID: PMC10863125 DOI: 10.1186/s13063-024-07928-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/16/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Out-of-hospital cardiac arrest (OHCA) is a significant public health issue worldwide and is associated with low survival rates and poor neurological outcomes. The generation of optimal coronary perfusion pressure (CPP) via high-quality chest compressions is a key factor in enhancing survival rates. However, it is often challenging to provide adequate CPP in real-world cardiopulmonary resuscitation (CPR) scenarios. Based on animal studies and human trials on improving CPP in patients with nontraumatic OHCA, resuscitative endovascular balloon occlusion of the aorta (REBOA) is a promising technique in these cases. This study aims to investigate the benefits of REBOA adjunct to CPR compared with conventional CPR for the clinical management of nontraumatic OHCA. METHODS This is a parallel-group, randomized, controlled, multinational trial that will be conducted at two urban academic tertiary hospitals in Korea and Taiwan. Patients aged 20-80 years presenting with witnessed OHCA will be enrolled in this study. Eligible participants must fulfill the inclusion criteria, and written informed consent should be collected from their legal representatives. Patients will be randomly assigned to the intervention (REBOA-CPR) or control (conventional CPR) group. The intervention group will receive REBOA and standard advanced cardiovascular life support (ACLS). Meanwhile, the control group will receive ACLS based on the 2020 American Heart Association guidelines. The primary outcome is the return of spontaneous circulation (ROSC). The secondary outcomes include sustained ROSC, survival to admission, survival to discharge, neurological outcome, and hemodynamic changes. DISCUSSION Our upcoming trial can provide essential evidence regarding the efficacy of REBOA, a mechanical method for enhancing CPP, in OHCA resuscitation. Our study aims to determine whether REBOA can improve treatment strategies for patients with nontraumatic OHCA based on clinical outcomes, thereby potentially providing valuable insights and guiding further advancements in this critical public health area. TRIAL REGISTRATION ClinicalTrials.gov NCT06031623. Registered on September 9, 2023.
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Affiliation(s)
- Hee Eun Kim
- Department of Emergency Medicine, Seoul National University Bundang Hospital, 13620, 82, Gumi-ro 173beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Sheng-En Chu
- Department of Emergency Medicine, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nan-Ya South Rd, Ban-Qiao Dist., New Taipei City, Taiwan
| | - You Hwan Jo
- Department of Emergency Medicine, Seoul National University Bundang Hospital, 13620, 82, Gumi-ro 173beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Wen-Chu Chiang
- Department of Emergency Medicine, National Taiwan University Hospital Yun-Lin Branch, Yunlin, Taiwan
| | - Dong-Hyun Jang
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Public Healthcare Service, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Chin-Hao Chang
- National Taiwan University Hospital Statistical Consulting Unit, Taipei, Taiwan
| | - So Hee Oh
- Medical Research Collaborating Center, SMG-SNU Boramae Medical Center Seoul, Seoul, Republic of Korea
| | - Hsuan-An Chen
- Department of Emergency Medicine, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nan-Ya South Rd, Ban-Qiao Dist., New Taipei City, Taiwan
| | - Seung Min Park
- Department of Emergency Medicine, Seoul National University Bundang Hospital, 13620, 82, Gumi-ro 173beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jen-Tang Sun
- Department of Emergency Medicine, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nan-Ya South Rd, Ban-Qiao Dist., New Taipei City, Taiwan.
| | - Dong Keon Lee
- Department of Emergency Medicine, Seoul National University Bundang Hospital, 13620, 82, Gumi-ro 173beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea.
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Haugland H, Gamberini L, Hoareau GL, Haenggi M, Greif R, Brede JR. Resuscitative endovascular balloon occlusion of the aorta in out-of-hospital cardiac arrest - A Delphi consensus study for uniform data collection. Resusc Plus 2023; 16:100485. [PMID: 37859631 PMCID: PMC10583171 DOI: 10.1016/j.resplu.2023.100485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/01/2023] [Accepted: 09/25/2023] [Indexed: 10/21/2023] Open
Abstract
Background Evolving research on resuscitative endovascular balloon occlusion of the aorta (REBOA) as an adjunct treatment for out-of-hospital cardiac arrest mandates uniform recording and reporting of data. A consensus on which variables need to be collected may enable comparing and merging data from different studies. We aimed to establish a standard set of variables to be collected and reported in future REBOA studies in out-of-hospital cardiac arrest. Methods A four-round stepwise Delphi consensus process first asked experts to propose without restraint variables for future REBOA research in out-of-hospital cardiac arrest. The experts then reviewed the variables on a 5-point Likert scale and ≥75% agreement was defined as consensus. First authors of published papers on REBOA in out-of-hospital cardiac arrest over the last five years were invited to join the expert panel. Results The data were collected between May 2022 and December 2022. A total of 28 experts out of 34 primarily invited completed the Delphi process, which developed a set of 31 variables that might be considered as a supplement to the Utstein style reporting of research in out-of-hospital cardiac arrest. Conclusions This Delphi consensus process suggested 31 variables that enable future uniform reporting of REBOA in out-of-hospital cardiac arrest.
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Affiliation(s)
- Helge Haugland
- St. Olav’s University Hospital, Trondheim, Norway
- Norwegian Air Ambulance Foundation, Oslo, Norway
| | - Lorenzo Gamberini
- Department of Anesthesia, Intensive Care and Prehospital Emergency, Ospedale Maggiore Carlo Alberto Pizzardi, Bologna, Italy
| | | | - Matthias Haenggi
- Department of Intensive Care Medicine, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Robert Greif
- University of Bern, Bern Switzerland
- School of Medicine, Sigmund Freud University Vienna, Vienna, Austria
- ERC ResearchNet, Niel, Belgium
| | - Jostein Rødseth Brede
- St. Olav’s University Hospital, Trondheim, Norway
- Norwegian Air Ambulance Foundation, Oslo, Norway
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Jaeger D, Kalra R, Sebastian P, Gaisendrees C, Kosmopoulos M, Debaty G, Chouihed T, Bartos J, Yannopoulos D. Left rib fractures during cardiopulmonary resuscitation are associated with hemodynamic variations in a pig model of cardiac arrest. Resusc Plus 2023; 15:100429. [PMID: 37502743 PMCID: PMC10368933 DOI: 10.1016/j.resplu.2023.100429] [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: 05/24/2023] [Revised: 06/23/2023] [Accepted: 07/01/2023] [Indexed: 07/29/2023] Open
Abstract
Background Chest compressions (CC) are the cornerstone of cardiopulmonary resuscitation (CPR). But CC are also known to cause injuries, specifically rib fractures. The effects of such fractures have not been examined yet. This study aimed to investigate hemodynamic effects of rib fractures during mechanical CPR in a porcine model of cardiac arrest (CA). Methods We conducted a retrospective hemodynamic study in 31 pigs that underwent mechanical CC. Animals were divided into three groups based on the location of rib fractures: No Broken Ribs group (n = 11), Left Broken Ribs group (n = 13), and Right Broken Ribs group (n = 7). Hemodynamic measurements were taken at 10 seconds before and 10, 30, and 60 seconds after rib fractures. Results Baseline hemodynamic parameters did not differ between the three groups. Systolic aortic pressure was overall higher in the Left Broken Ribs group than in the No Broken Ribs group at 10, 30, and 60 seconds after rib fracture (p = 0.02, 0.01, and 0.006, respectively). The Left Broken Ribs group had a significantly higher right atrial pressure compared to the No Broken Rib group after rib fracture (p = 0.02, 0.01, and 0.03, respectively). There was no significant difference for any parameter for the Right Broken Ribs group, when compared to the No Broken Ribs group. Conclusion An increase in main hemodynamic parameters was observed after left rib fractures while right broken ribs were not associated with any change in hemodynamic parameters. Reporting fractures and their location seems worthwhile for future experimental studies.
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Affiliation(s)
- Deborah Jaeger
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
- INSERM U 1116, University of Lorraine, Vandœuvre-lès-Nancy, France
| | - Rajat Kalra
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
| | - Pierre Sebastian
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
| | - Christopher Gaisendrees
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
- Department of Cardiothoracic Surgery, Heart Centre, University of Cologne, Cologne, Germany
| | - Marinos Kosmopoulos
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
| | - Guillaume Debaty
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
- Université Grenoble Alpes, CNRS, CHU de Grenoble, TIMC-IMAG UMR 5525, Av. des Maquis du Grésivaudan, 38700 La Tronche, France
| | - Tahar Chouihed
- INSERM U 1116, University of Lorraine, Vandœuvre-lès-Nancy, France
| | - Jason Bartos
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
| | - Demetris Yannopoulos
- Department of Medicine-Cardiovascular Division, University of Minnesota, Minneapolis, MN, USA
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7
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Tiba MH, Nakashima T, McCracken BM, Hsu CH, Gottula AL, Greer NL, Cramer TA, Sutton NR, Ward KR, Neumar RW. Haemodynamic impact of aortic balloon occlusion combined with percutaneous left ventricular assist device during cardiopulmonary resuscitation in a swine model of cardiac arrest. Resuscitation 2023; 189:109885. [PMID: 37385400 DOI: 10.1016/j.resuscitation.2023.109885] [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: 03/27/2023] [Revised: 05/19/2023] [Accepted: 06/12/2023] [Indexed: 07/01/2023]
Abstract
AIM To investigate the effect of tandem use of transient balloon occlusion of the descending aorta (AO) and percutaneous left ventricular assist device (pl-VAD) during cardiopulmonary resuscitation in a large animal model of prolonged cardiac arrest. METHODS Ventricular fibrillation was induced and left untreated for 8 minutes followed by 16 minutes of mechanical CPR (mCPR) in 24 swine, under general anesthesia. Animals were randomized to 3 treatment groups (n = 8 per group): A) pL-VAD (Impella CP®) B) pL-VAD+AO, and C) AO. Impella CP® and the aortic balloon catheter were inserted via the femoral arteries. mCPR was continued during treatment. Defibrillation was attempted 3 times starting at minute 28 and then every 4 minutes. Haemodynamic, cardiac function and blood gas measurements were recorded for up to 4 hours. RESULTS Coronary perfusion pressure (CoPP) in the pL-VAD+AO Group increased by a mean (SD) of 29.2(13.94) mmHg compared to an increase of 7.1(12.08) and 7.1(5.95) mmHg for groups pL-VAD and AO respectively (p = 0.02). Similarly, cerebral perfusion pressure (CePP) in pL-VAD+AO increased by a mean (SD) of 23.6 (6.11), mmHg compared with 0.97 (9.07) and 6.9 (7.98) mmHg for the other two groups (p < 0.001). The rate of return of spontaneous heartbeat (ROSHB) was 87.5%, 75%, and 100% for pL-VAD+AO, pL-VAD, and AO. CONCLUSION Combined AO and pL-VAD improved CPR hemodynamics compared to either intervention alone in this swine model of prolonged cardiac arrest.
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Affiliation(s)
- Mohamad Hakam Tiba
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
| | - Takahiro Nakashima
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
| | - Brendan M McCracken
- Department of Radiology, University of Michigan, Ann Arbor, MI, United States.
| | - Cindy H Hsu
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
| | - Adam L Gottula
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
| | - Nicholas L Greer
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
| | - Traci A Cramer
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
| | - Nadia R Sutton
- Department of Internal Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, United States.
| | - Kevin R Ward
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States.
| | - Robert W Neumar
- Department of Emergency Medicine, University of Michigan, Ann Arbor, MI, United States; The Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, MI, United States.
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Dogan EM, Axelsson B, Jauring O, Hörer TM, Nilsson KF, Edström M. Intra-aortic and Intra-caval Balloon Pump Devices in Experimental Non-traumatic Cardiac Arrest and Cardiopulmonary Resuscitation. J Cardiovasc Transl Res 2023; 16:948-955. [PMID: 36481982 PMCID: PMC10480270 DOI: 10.1007/s12265-022-10343-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 11/25/2022] [Indexed: 12/13/2022]
Abstract
Intra-aortic balloon pump (IABP) use during CPR has been scarcely studied. Intra-caval balloon pump (ICBP) may decrease backward venous flow during CPR. Mechanical chest compressions (MCC) were initiated after 10 min of cardiac arrest in anesthetized pigs. After 5 min of MCC, IABP (n = 6) or ICBP (n = 6) was initiated. The MCC device and the IABP/ICBP had slightly different frequencies, inducing a progressive peak pressure phase shift. IABP inflation 0.15 s before MCC significantly increased mean arterial pressure (MAP) and carotid blood flow (CBF) compared to inflation 0.10 s after MCC and to MCC only. Coronary perfusion pressure significantly increased with IABP inflation 0.25 s before MCC compared to inflation at MCC. ICBP inflation before MCC significantly increased MAP and CBF compared to inflation after MCC but not compared to MCC only. This shows the potential of IABP in CPR when optimally synchronized with MCC. The effect of timing of intra-aortic balloon pump (IABP) inflation during mechanical chest compressions (MCC) on hemodynamics. Data from12 anesthetized pigs.
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Affiliation(s)
- Emanuel M Dogan
- Department of Anesthesiology and Intensive Care, Faculty of Medicine and Health, Örebro University, SE-701 85, Örebro, Sweden.
| | - Birger Axelsson
- Department of Cardiothoracic and Vascular Surgery, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Oskar Jauring
- Department of Anesthesiology and Intensive Care, Faculty of Medicine and Health, Örebro University, SE-701 85, Örebro, Sweden
| | - Tal M Hörer
- Department of Cardiothoracic and Vascular Surgery, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Kristofer F Nilsson
- Department of Cardiothoracic and Vascular Surgery, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Måns Edström
- Department of Anesthesiology and Intensive Care, Faculty of Medicine and Health, Örebro University, SE-701 85, Örebro, Sweden
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9
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Balzer C, Eagle SS, Yannopoulos D, Aufderheide TP, Riess ML. High central venous pressure amplitude predicts successful defibrillation in a porcine model of cardiac arrest. Resuscitation 2023; 185:109716. [PMID: 36736947 PMCID: PMC11087940 DOI: 10.1016/j.resuscitation.2023.109716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/22/2023] [Accepted: 01/24/2023] [Indexed: 02/04/2023]
Abstract
AIM Increasing venous return during cardiopulmonary resuscitation (CPR) has been shown to improve hemodynamics during CPR and outcomes following cardiac arrest (CA). We hypothesized that a high central venous pressure amplitude (CVP-A), the difference between the maximum and minimum central venous pressure during chest compressions, could serve as a robust predictor of return of spontaneous circulation (ROSC) in addition to traditional measurements of coronary perfusion pressure (CPP) and end-tidal CO2 (etCO2) in a porcine model of CA. METHODS After 10 min of ventricular fibrillation, 9 anesthetized and intubated female pigs received mechanical chest compressions with active compression/decompression (ACD) and an impedance threshold device (ITD). CPP, CVP-A and etCO2 were measured continuously. All groups received biphasic defibrillation (200 J) at minute 4 of CPR and were classified into two groups (ROSC, NO ROSC). Mean values were analyzed over 3 min before defibrillation by repeated-measures Analysis of Variance and receiver operating characteristic (ROC). RESULTS Five animals out of 9 experienced ROSC. CVP-A showed a statistically significant difference (p = 0.003) between the two groups during 3 min of CPR before defibrillation compared to CPP (p = 0.056) and etCO2 (p = 0.064). Areas-under-the-curve in ROC analysis for CVP-A, CPP and etCO2 were 0.94 (95% Confidence Interval 0.86, 1.00), 0.74 (0.54, 0.95) and 0.78 (0.50, 1.00), respectively. CONCLUSION In our study, CVP-A was a potentially useful predictor of successful defibrillation and return of spontaneous circulation. Overall, CVP-A could serve as a marker for prediction of ROSC with increased venous return and thereby monitoring the beneficial effects of ACD and ITD.
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Affiliation(s)
- Claudius Balzer
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Susan S Eagle
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - Tom P Aufderheide
- Department of Emergency Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Matthias L Riess
- Anesthesiology, TVHS VA Medical Center, Nashville, TN, USA; Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Pharmacology, Vanderbilt University, Nashville, TN, USA.
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10
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Caicedo Y, Gallego LM, Clavijo HJ, Padilla-Londoño N, Gallego CN, Caicedo-Holguín I, Guzmán-Rodríguez M, Meléndez-Lugo JJ, García AF, Salcedo AE, Parra MW, Rodríguez-Holguín F, Ordoñez CA. Resuscitative endovascular balloon occlusion of the aorta in civilian pre-hospital care: a systematic review of the literature. Eur J Med Res 2022; 27:202. [PMID: 36253841 PMCID: PMC9575194 DOI: 10.1186/s40001-022-00836-3] [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: 08/04/2022] [Accepted: 09/22/2022] [Indexed: 11/25/2022] Open
Abstract
Background Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a damage control tool with a potential role in the hemodynamic resuscitation of severely ill patients in the civilian pre-hospital setting. REBOA ensures blood flow to vital organs by early proximal control of the source of bleeding. However, there is no consensus on the use of REBOA in the pre-hospital setting. This article aims to perform a systematic review of the literature about the feasibility, survival, indications, complications, and potential candidates for civilian pre-hospital REBOA. Methods A literature search was conducted using Medline, EMBASE, LILACS and Web of Science databases. Primary outcome variables included overall survival and feasibility. Secondary outcome variables included complications and potential candidates for endovascular occlusion. Results The search identified 8 articles. Five studies described the use of REBOA in pre-hospital settings, reporting a total of 47 patients in whom the procedure was attempted. Pre-hospital REBOA was feasible in 68–100% of trauma patients and 100% of non-traumatic patients with cardiac arrest. Survival rates and complications varied widely. Pre-hospital REBOA requires a coordinated and integrated emergency health care system with a well-trained and equipped team. The remaining three studies performed a retrospective analysis identifying 784 potential REBOA candidates. Conclusions Pre-hospital REBOA could be a feasible intervention for a significant portion of severely ill patients in the civilian setting. However, the evidence is limited. The impact of pre-hospital REBOA should be assessed in future studies. Supplementary Information The online version contains supplementary material available at 10.1186/s40001-022-00836-3.
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Affiliation(s)
- Yaset Caicedo
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, Cali, Colombia
| | - Linda M Gallego
- Facultad de Medicina, Universidad Icesi, Cl. 18 No. 122 - 135, Valle del Cauca, Cali, Colombia
| | - Hugo Jc Clavijo
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, Cali, Colombia
| | - Natalia Padilla-Londoño
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, Cali, Colombia
| | - Cindy-Natalia Gallego
- Facultad de Medicina, Universidad Icesi, Cl. 18 No. 122 - 135, Valle del Cauca, Cali, Colombia
| | - Isabella Caicedo-Holguín
- Centro de Investigaciones Clínicas (CIC), Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, Cali, Colombia
| | - Mónica Guzmán-Rodríguez
- Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Av. Libertador Bernardo O'Higgins 1058, Santiago de Chile, Región Metropolitana, Chile
| | - Juan J Meléndez-Lugo
- Department of Surgery, Caja Costarricense del Seguro Social, Av. 2nda - 4rta Cl. 5nta - 7tima, San José, Costa Rica
| | - Alberto F García
- Facultad de Medicina, Universidad Icesi, Cl. 18 No. 122 - 135, Valle del Cauca, Cali, Colombia.,Division of Trauma and Acute Care Surgery, Department of Surgery, Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, 760032, Cali, Colombia.,Division of Trauma and Acute Care Surgery, Department of Surgery, Universidad del Valle, Cl. 13 # 100 - 00, Valle del Cauca, Cali, Colombia
| | - Alexander E Salcedo
- Facultad de Medicina, Universidad Icesi, Cl. 18 No. 122 - 135, Valle del Cauca, Cali, Colombia.,Division of Trauma and Acute Care Surgery, Department of Surgery, Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, 760032, Cali, Colombia.,Division of Trauma and Acute Care Surgery, Department of Surgery, Universidad del Valle, Cl. 13 # 100 - 00, Valle del Cauca, Cali, Colombia.,Division of Trauma and Acute Care Surgery, Department of Surgery, Hospital Universitario del Valle, Cl. 5 # 36 - 08, Valle del Cauca, Cali, Colombia
| | - Michael W Parra
- Department of Trauma Critical Care, Broward General Level I Trauma Center, 1600 S Andrews Ave, Fort Lauderdale, FL, USA
| | - Fernando Rodríguez-Holguín
- Division of Trauma and Acute Care Surgery, Department of Surgery, Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, 760032, Cali, Colombia
| | - Carlos A Ordoñez
- Facultad de Medicina, Universidad Icesi, Cl. 18 No. 122 - 135, Valle del Cauca, Cali, Colombia. .,Division of Trauma and Acute Care Surgery, Department of Surgery, Fundación Valle del Lili, Cra. 98 No. 18 - 49, Valle del Cauca, 760032, Cali, Colombia. .,Division of Trauma and Acute Care Surgery, Department of Surgery, Universidad del Valle, Cl. 13 # 100 - 00, Valle del Cauca, Cali, Colombia.
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Renz M, Müllejans L, Riedel J, Mohnke K, Rissel R, Ziebart A, Duenges B, Hartmann EK, Ruemmler R. High PEEP Levels during CPR Improve Ventilation without Deleterious Haemodynamic Effects in Pigs. J Clin Med 2022; 11:jcm11164921. [PMID: 36013161 PMCID: PMC9410261 DOI: 10.3390/jcm11164921] [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: 07/14/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Invasive ventilation during cardiopulmonary resuscitation (CPR) is very complex due to unique thoracic pressure conditions. Current guidelines do not provide specific recommendations for ventilation during ongoing chest compressions regarding positive end-expiratory pressure (PEEP). This trial examines the cardiopulmonary effects of PEEP application during CPR. Methods: Forty-two German landrace pigs were anaesthetised, instrumented, and randomised into six intervention groups. Three PEEP levels (0, 8, and 16 mbar) were compared in high standard and ultralow tidal volume ventilation. After the induction of ventricular fibrillation, mechanical chest compressions and ventilation were initiated and maintained for thirty minutes. Blood gases, ventilation/perfusion ratio, and electrical impedance tomography loops were taken repeatedly. Ventilation pressures and haemodynamic parameters were measured continuously. Postmortem lung tissue damage was assessed using the diffuse alveolar damage (DAD) score. Statistical analyses were performed using SPSS, and p values <0.05 were considered significant. Results: The driving pressure (Pdrive) showed significantly lower values when using PEEP 16 mbar than when using PEEP 8 mbar (p = 0.045) or PEEP 0 mbar (p < 0.001) when adjusted for the ventilation mode. Substantially increased overall lung damage was detected in the PEEP 0 mbar group (vs. PEEP 8 mbar, p = 0.038; vs. PEEP 16 mbar, p = 0.009). No significant differences in mean arterial pressure could be detected. Conclusion: The use of PEEP during CPR seems beneficial because it optimises ventilation pressures and reduces lung damage without significantly compromising blood pressure. Further studies are needed to examine long-term effects in resuscitated animals.
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12
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Resuscitative endovascular occlusion of the aorta (REBOA) as a mechanical method for increasing the coronary perfusion pressure in non-traumatic out-of-hospital cardiac arrest patients. Resuscitation 2022; 179:277-284. [PMID: 35870557 DOI: 10.1016/j.resuscitation.2022.07.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/14/2022] [Accepted: 07/16/2022] [Indexed: 11/24/2022]
Abstract
AIM of the study Resuscitative endovascular balloon occlusion of the aorta (REBOA), originally designed to block blood flow to the distal part of the aorta by placing a balloon in trauma patients, has recently been shown to increase coronary perfusion in cardiac arrest patients. This study evaluated the effect of REBOA on aortic pressure and coronary perfusion pressure (CPP) in non-traumatic out of-hospital cardiac arrest (OHCA) patients. METHODS Adult OHCA patients with cerebral performance category 1 or 2 prior to cardiac arrest, and without evidence of aortic disease, were enrolled from January to December 2021. Aortic pressure and right atrial pressure were measured before and after balloon occlusion. The CPP was calculated using the measured aortic and right atrial pressures, and the values before and after the balloon occlusion were compared. RESULTS Fifteen non-traumatic OHCA patients were enrolled in the study. The median call to balloon time was 46.0 (IQR, 38.0-54.5) min. The median CPP before and after balloon occlusion was 13.5 (IQR, 5.8-25.0) and 25.2 (IQR, 12.0-44.6) mmHg, respectively (P = 0.001). The median increase in the estimated CPP after balloon occlusion was 86.7%. CONCLUSIONS The results of this study suggest that REBOA may increase the CPP during cardiopulmonary resuscitation in patients with non-traumatic OHCA. Additional studies are needed to investigate the effect on clinical outcomes.
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13
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Varney J, Motawea KR, Mostafa MR, AbdelQadir YH, Aboelenein M, Kandil OA, Ibrahim N, Hashim HT, Murry K, Jackson G, Shah J, Boury M, Awad AK, Patel P, Awad DM, Rozan SS, Talat NE. Efficacy of heads-up CPR compared to supine CPR positions: Systematic review and meta-analysis. Health Sci Rep 2022; 5:e644. [PMID: 35620549 PMCID: PMC9128396 DOI: 10.1002/hsr2.644] [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: 12/22/2021] [Revised: 03/03/2022] [Accepted: 04/19/2022] [Indexed: 11/06/2022] Open
Abstract
Background and Aim Cardiopulmonary resuscitation (CPR) in full-coded patients requires effective chest compressions with minimal interruptions to maintain adequate perfusion to the brain and other vital organs. Many novel approaches have been proposed to attain better organ perfusion compared to traditional CPR techniques. The purpose of this review is to investigate the safety and efficacy of heads-up CPR versus supine CPR. Methods We searched PubMed Central, SCOPUS, Web of Science, and Cochrane databases from 1990 to February 2021. After the full-text screening of 40 eligible studies, only seven studies were eligible for our meta-analysis. We used the RevMan software (5.4) to perform the meta-analysis. Results In survival outcome, the pooled analysis between heads-up and supine CPR was (risk ratio = 0.98, 95% confidence interval [CI] = 0.17-5.68, p = 0.98). The pooled analyses between heads-up CPR and supine CPR in cerebral flow, cerebral perfusion pressure and coronary perfusion pressure outcomes, were (mean difference [MD] = 0.10, 95% CI = 0.03-0.17, p = 0.003), (MD = 12.28, 95% CI = 5.92-18.64], p = 0.0002), and (MD = 8.43, 95% CI = 2.71-14.14, p = 0.004), respectively. After doing a subgroup analysis, cerebral perfusion was found to increase during heads-up CPR compared with supine CPR at 6 min CPR duration and 18 to 20 min CPR duration as well. Conclusion Our study suggests that heads-up CPR is associated with better cerebral and coronary perfusion compared to the conventional supine technique in pigs' models. However, more research is warranted to investigate the safety and efficacy of the heads-up technique on human beings and to determine the best angle for optimization of the technique results.
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Affiliation(s)
- Joseph Varney
- School of Medicine American University of the Caribbean Philipsburg Sint Maarten (Dutch Part)
| | | | | | | | | | | | - Nancy Ibrahim
- Faculty of Medicine Alexandria University Alexandria Egypt
| | | | | | - Garrett Jackson
- School of Medicine American University of the Caribbean Philipsburg Sint Maarten (Dutch Part)
| | - Jaffer Shah
- Kateb University Medical Research Center Kateb University Kabul Afghanistan.,New York State Department of Health New York USA
| | - Maty Boury
- School of Medicine American University of the Caribbean Philipsburg Sint Maarten (Dutch Part)
| | - Ahmed K Awad
- Faculty of Medicine Ain-Shams University Cairo Egypt
| | - Priya Patel
- School of Medicine American University of the Caribbean Philipsburg Sint Maarten (Dutch Part)
| | - Dina M Awad
- Faculty of Medicine Alexandria University Alexandria Egypt
| | - Samah S Rozan
- Faculty of Medicine Alexandria University Alexandria Egypt
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14
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Raju RM, Leeman KT. Pediatric Advanced Life Support in a Neonatal Context. Neoreviews 2022; 23:e359-e362. [PMID: 35490183 DOI: 10.1542/neo.23-5-e359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Ravikiran M Raju
- Division of Newborn Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA
- Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA
- Harvard Medical School, Boston, MA
| | - Kristen T Leeman
- Division of Newborn Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA
- Harvard Medical School, Boston, MA
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15
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Anderson KL, Evans JC, Castaneda MG, Boudreau SM, Maddry JK, Morgan JD. Effects of Left Ventricular Versus Traditional Chest Compressions in a Traumatic Pulseless Electrical Activity Model. Mil Med 2022; 187:351-359. [PMID: 34143215 DOI: 10.1093/milmed/usab229] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/26/2021] [Accepted: 06/02/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Prehospital cardiopulmonary resuscitation has commonly been considered ineffective in traumatic cardiopulmonary arrest because traditional chest compressions do not produce substantial cardiac output. However, recent evidence suggests that chest compressions located over the left ventricle (LV) produce greater hemodynamics when compared to traditional compressions. We hypothesized that chest compressions located directly over the LV would result in an increase in return of spontaneous circulation (ROSC) and hemodynamic variables, when compared to traditional chest compressions, in a swine model of traumatic pulseless electrical activity (PEA). METHODS Transthoracic echocardiography was used to mark the location of the aortic root (traditional compressions) and the center of the LV on animals (n = 34) that were randomized to receive chest compressions in one of the two locations. Animals were hemorrhaged to mean arterial pressure <20 to simulate traumatic PEA. After 5 minutes of PEA, basic life support (BLS) with mechanical cardiopulmonary resuscitation was initiated and performed for 10 minutes followed by advanced life support for an additional 10 minutes. Hemodynamic variables were averaged over the final 2 minutes of BLS and advanced life support periods. RESULTS Six of the LV group (35%) achieved ROSC compared to eight of the traditional group (47%) (P = .73). There was an increase in aortic systolic blood pressure (P < .01), right atrial systolic blood pressure (P < .01), and right atrial diastolic blood pressure (P = .02) at the end of BLS in the LV group compared to the traditional group. CONCLUSIONS In our swine model of traumatic PEA, chest compressions performed directly over the LV improved blood pressures during BLS but not ROSC.
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Affiliation(s)
- Kenton L Anderson
- Department of Emergency Medicine, Stanford University School of Medicine, Palo Alto, CA 94304, USA
| | - Jacqueline C Evans
- Department of Emergency Medicine, San Antonio Military Medical Center, Fort Sam Houston, TX 78234, USA
| | - Maria G Castaneda
- Wilford Hall Ambulatory Surgical Center, CREST Research Program, Lackland AFB, TX 78236, USA
| | - Susan M Boudreau
- Wilford Hall Ambulatory Surgical Center, CREST Research Program, Lackland AFB, TX 78236, USA
| | - Joseph K Maddry
- United States Army Institute of Surgical Research, Fort Sam Houston, TX 78234, USA
| | - Jeffrey D Morgan
- Department of Emergency Medicine, San Antonio Military Medical Center, Fort Sam Houston, TX 78234, USA
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Optimal Landmark for Chest Compressions during Cardiopulmonary Resuscitation Derived from a Chest Computed Tomography in Arms-Down Position. J Cardiovasc Dev Dis 2022; 9:jcdd9040100. [PMID: 35448077 PMCID: PMC9033090 DOI: 10.3390/jcdd9040100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 02/01/2023] Open
Abstract
Compressions at the left ventricle increase rate of return of spontaneous circulation. This study aimed to identify the landmark of the point of maximal left ventricular diameter on the sternum (LVmax) by using chest computed tomography (CCT) in the arms-down position, which was similar to an actual cardiac arrest patient. A retrospective study was conducted between September 2014 and November 2020. We included adult patients who underwent CCT in an arms-down position and measured the rescuer’s hand. We measured the distance from the sternal notch to LVmax (DLVmax), to the lower half of sternum (DLH), and to the point of maximal force of hand, which placed the lowest palmar margin of the rescuer’s reference hand at the xiphisternal junction. Thirty-nine patients were included. The LVmax was located below the lower half of the sternum; DLVmax and DLH were 12.6 and 10.0 cm, respectively (p < 0.001). Distance from the sternal notch to the point of maximal force of the left hand, with the ulnar border located at the xiphisternal junction, was close to DLVmax; 11.3 and 12.6 cm, respectively (p = 0.076). In conclusion, LVmax was located below the lower half of the sternum, which is recommended by current guidelines.
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Abdelazeem B, Awad AK, Manasrah N, Elbadawy MA, Ahmad S, Savarapu P, Abbas KS, Kunadi A. The Effect of Vasopressin and Methylprednisolone on Return of Spontaneous Circulation in Patients with In-Hospital Cardiac Arrest: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Am J Cardiovasc Drugs 2022; 22:523-533. [PMID: 35314927 DOI: 10.1007/s40256-022-00522-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/13/2022] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Cardiac arrest is often fatal if not treated immediately by cardiopulmonary resuscitation to restore a normal heart rhythm and spontaneous circulation. We aim to evaluate the clinical benefits of vasopressin and methylprednisolone versus placebo for patients with in-hospital cardiac arrest. DATA SOURCES We searched PubMed, EMBASE, Scopus, Web of Science, Cochrane Central, and Google Scholar from inception to October 17, 2021, by using search terms included "Vasopressin" AND "Methylprednisolone" AND "Cardiac arrest". STUDY SELECTION AND DATA EXTRACTION We included randomized controlled trials (RCTs) that compared vasopressin and methylprednisolone to placebo. The main outcomes were the return of spontaneous circulation (ROSC) and survival to hospital discharge. DATA SYNTHESIS A total of three RCTs, with a total of 869 patients, were included. The pooled risk ratios (RRs) were calculated along with their 95% confidence intervals (CIs). Our result showed an increase in ROSC in patients who received vasopressin and methylprednisolone (RR = 1.32; 95% CI = [1.18, 1.47], p < 0.00001) when compared with the placebo group. However, there was no difference between both groups regarding survival to hospital discharge (RR = 1.76; 95% CI = [0.68, 4.56], p= 0.25). RELEVANCE TO PATIENT CARE AND CLINICAL PRACTICE The current guidelines recommend epinephrine for patients with in-hospital cardiac arrest. Our meta-analysis updates clinicians about using vasopressin and methylprednisolone besides epinephrine, providing them with the best available evidence in managing patients with in-hospital cardiac arrest. CONCLUSION Among patients with in-hospital cardiac arrest, administration of vasopressin and methylprednisolone besides epinephrine is associated with increased ROSC compared with placebo and epinephrine. However, high-quality RCTs are necessary before drawing a firm conclusion regarding the efficacy of vasopressin and methylprednisolone for patients with in-hospital cardiac arrest.
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Chang EE, Segura E, Vellanki S, Trikannad Ashwini Kumar AK. Will Automated Compressing Devices Save More Lives in Recalcitrant Ventricular Fibrillation Cardiac Arrest? Cureus 2022; 14:e22407. [PMID: 35345727 PMCID: PMC8942138 DOI: 10.7759/cureus.22407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2022] [Indexed: 11/18/2022] Open
Abstract
We present a 55-year-old male that developed ventricular fibrillation cardiac arrest in the setting of ST-elevation acute myocardial infarction with recalcitrant and persistent ventricular fibrillation arrest that was successfully resuscitated with a good neurological outcome. The persistent chest compressions were performed in our intensive care unit with an automated chest compression system. The patient required defibrillations and nonstop chest compressions which were the key factors for his survival. This is an example we should consider in all our intensive care units. It's time for a paradigm shift in replacing the compressor of a code team with an automated system. The out-of-hospital evidence in acute care is compelling to bring this technology that has been proven crucial in transports from hospital areas, ambulances, helicopters, and ships to the inpatient ICU bedside. In ventricular tachycardia and ventricular fibrillation (Vt/Vf), the electrical storm created is the perfect example of the need to have the best compressions to provide the best care possible with the best survival and neurological outcomes.
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Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) in Non-Traumatic Cardiac Arrest: A Narrative Review of Known and Potential Physiological Effects. J Clin Med 2022; 11:jcm11030742. [PMID: 35160193 PMCID: PMC8836569 DOI: 10.3390/jcm11030742] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 01/24/2022] [Accepted: 01/27/2022] [Indexed: 11/17/2022] Open
Abstract
Resuscitative endovascular balloon occlusion of the aorta (REBOA) is widely used in acute trauma care worldwide and has recently been proposed as an adjunct to standard treatments during cardiopulmonary resuscitation in patients with non-traumatic cardiac arrest (NTCA). Several case series have been published highlighting promising results, and further trials are starting. REBOA during CPR increases cerebral and coronary perfusion pressure by increasing the afterload of the left ventricle, thus improving the chances of ROSC and decreasing hypoperfusion to the brain. In addition, it may facilitate the termination of malignant arrhythmias by stimulating baroreceptor reflex. Aortic occlusion could mitigate the detrimental neurological effects of adrenaline, not only by increasing cerebral perfusion but also reducing the blood dilution of the drug, allowing the use of lower doses. Finally, the use of a catheter could allow more precise hemodynamic monitoring during CPR and a faster transition to ECPR. In conclusion, REBOA in NTCA is a feasible technique also in the prehospital setting, and its use deserves further studies, especially in terms of survival and good neurological outcome, particularly in resource-limited settings.
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Salcido DD, Koller AC, Genbrugge C, Fink EL, Berg RA, Menegazzi JJ. Injury characteristics and hemodynamics associated with guideline-compliant CPR in a pediatric porcine cardiac arrest model. Am J Emerg Med 2022; 51:176-183. [PMID: 34763236 PMCID: PMC8982633 DOI: 10.1016/j.ajem.2021.10.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/08/2021] [Accepted: 10/16/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Guidelines for depth of chest compressions in pediatric cardiopulmonary resuscitation (CPR) are based on sparse evidence. OBJECTIVE We sought to evaluate the performance of the two most widely recommended chest compression depth levels for pediatric CPR (1.5 in. and 1/3 the anterior-posterior diameter- APd) in a controlled swine model of asphyxial cardiac arrest. METHODS We executed a 2-group, randomized laboratory study with an adaptive design allowing early termination for overwhelming injury or benefit. Forty mixed-breed domestic swine (mean weight = 26 kg) were sedated, anesthetized and paralyzed along with endotracheal intubation and mechanical ventilation. Asphyxial cardiac arrest was induced with fentanyl overdose. Animals were untreated for 9 min followed by mechanical CPR with a target depth of 1.5 in. or 1/3 the APd. Advanced life support drugs were administered IV after 4 min of basic resuscitation followed by defibrillation at 14 min. The primary outcomes were return of spontaneous circulation (ROSC), hemodynamics and CPR-related injury severity. RESULTS Enrollment in the 1/3 APd group was stopped early due to overwhelming differences in injury. Twenty-three animals were assigned to the 1.5 in. group and 15 assigned to the 1/3 APd group, per an adaptive group design. The 1/3 APd group had increased frequency of rib fracture (6.7 vs 1.7, p < 0.001) and higher proportions of several anatomic injury markers than the 1.5 in. group, including sternal fracture, hemothorax and blood in the endotracheal tube (p < 0.001). ROSC and hemodynamic measures were similar between groups. CONCLUSION In this pediatric model of cardiac arrest, chest compressions to 1/3APd were more harmful without a concurrent benefit for resuscitation outcomes compared to the 1.5 in. compression group.
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Affiliation(s)
- David D. Salcido
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Allison C. Koller
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | | | - Ericka L. Fink
- Department of Critical Care Medicine, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Robert A. Berg
- Department of Anesthesiology and Critical Care Medicine, Children’s Hospital of Philadelphia and University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
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Aufderheide TP, Kalra R, Kosmopoulos M, Bartos JA, Yannopoulos D. Enhancing cardiac arrest survival with extracorporeal cardiopulmonary resuscitation: insights into the process of death. Ann N Y Acad Sci 2022; 1507:37-48. [PMID: 33609316 PMCID: PMC8377067 DOI: 10.1111/nyas.14580] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/30/2021] [Accepted: 02/02/2021] [Indexed: 01/03/2023]
Abstract
Extracorporeal cardiopulmonary resuscitation (ECPR) is an emerging method of cardiopulmonary resuscitation to improve outcomes from cardiac arrest. This approach targets patients with out-of-hospital cardiac arrest previously unresponsive and refractory to standard treatment, combining approximately 1 h of standard CPR followed by venoarterial extracorporeal membrane oxygenation (VA-ECMO) and coronary artery revascularization. Despite its relatively new emergence for the treatment of cardiac arrest, the approach is grounded in a vast body of preclinical and clinical data that demonstrate significantly improved survival and neurological outcomes despite unprecedented, prolonged periods of CPR. In this review, we detail the principles behind VA-ECMO-facilitated resuscitation, contemporary clinical approaches with outcomes, and address the emerging new understanding of the process of death and capability for neurological recovery.
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Affiliation(s)
- Tom P. Aufderheide
- Department of Emergency Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - Rajat Kalra
- Center for Resuscitation Medicine, University of Minnesota Medical School, Minneapolis, MN,Cardiovascular Division, University of Minnesota, Minneapolis, MN
| | - Marinos Kosmopoulos
- Center for Resuscitation Medicine, University of Minnesota Medical School, Minneapolis, MN
| | - Jason A. Bartos
- Center for Resuscitation Medicine, University of Minnesota Medical School, Minneapolis, MN,Cardiovascular Division, University of Minnesota, Minneapolis, MN
| | - Demetris Yannopoulos
- Center for Resuscitation Medicine, University of Minnesota Medical School, Minneapolis, MN,Cardiovascular Division, University of Minnesota, Minneapolis, MN
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22
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Lee JJ, Pyo SY, Lee JH, Park GJ, Kim SC, Kim H, Lee SW, Kim YM, Chai HS. Effects of Changes in Inspiratory Time on Inspiratory Flowrate and Airway Pressure during Cardiopulmonary Resuscitation: A Manikin-Based Study. KOSIN MEDICAL JOURNAL 2021. [DOI: 10.7180/kmj.2021.36.2.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Objectives: Given that cardiopulmonary resuscitation (CPR) is an aerosol-generating procedure, it is necessary to use a mechanical ventilator and reduce the number of providers involved in resuscitation for in-hospital cardiac arrest in coronavirus disease (COVID-19) patients or suspected COVID-19 patients. However, no study assessed the effect of changes in inspiratory time on flowrate and airway pressure during CPR. We herein aimed to determine changes in these parameters during CPR and identify appropriate ventilator management for adults during CPR.Methods: We measured changes in tidal volume (Vt), peak inspiratory flow rate (PIFR), peak airway pressure (Ppeak), mean airway pressure (Pmean) according to changes in inspiratory time (0.75 s, 1.0 s and 1.5 s) with or without CPR. Vt of 500 mL was supplied (flowrate: 10 times/min) using a mechanical ventilator. Chest compressions were maintained at constant compression depth (53 ± 2 mm) and speed (102 ± 2/min) using a mechanical chest compression device.Results: Median levels of respiratory physiological parameters during CPR were significantly different according to the inspiratory time (0.75 s vs. 1.5 s): PIFR (80.8 [73.3 – 87.325] vs. 70.5 [67 – 72.4] L/min, P < 0.001), Ppeak (54 [48 – 59] vs. 47 [45 – 49] cmH<sub>2</sub>O, P < 0.001), and Pmean (3.9 [3.6 – 4.1] vs. 5.7 [5.6 – 5.8] cmH<sub>2</sub>O, P < 0.001).Conclusions: Changes in PIFR, Ppeak, and Pmean were associated with inspiratory time. PIFR and Ppeak values tended to decrease with increase in inspiratory time, while Pmean showed a contrasting trend. Increased inspiratory time in low-compliance cardiac arrest patients will help in reducing lung injury during adult CPR.
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Use of an end-tidal carbon dioxide-guided algorithm during cardiopulmonary resuscitation improves short-term survival in paediatric swine. Resusc Plus 2021; 8:100174. [PMID: 34820656 PMCID: PMC8600153 DOI: 10.1016/j.resplu.2021.100174] [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: 06/14/2021] [Revised: 08/28/2021] [Accepted: 09/28/2021] [Indexed: 01/09/2023] Open
Abstract
Aim To evaluate an algorithm that uses an end-tidal carbon dioxide (ETCO2) target of ≥ 30 torr to guide specific changes in chest compression rate and epinephrine administration during cardiopulmonary resuscitation (CPR) in paediatric swine. Methods Swine underwent asphyxial cardiac arrest followed by resuscitation with either standard or ETCO2-guided algorithm CPR. The standard group received chest compressions at a rate of 100/min and epinephrine every 4 min during advanced life support consistent with the American Heart Association paediatric resuscitation guidelines. In the ETCO2-guided algorithm group, chest compression rate was increased by 10 compressions/min for every minute that the ETCO2 was < 30 torr, and the epinephrine administration interval was decreased to every 2 min if the ETCO2 remained < 30 torr. Short-term survival and physiologic data during active resuscitation were compared. Results Short-term survival was significantly greater in the ETCO2-guided algorithm CPR group than in the standard CPR group (16/28 [57.1%] versus 4/28 [14.3%]; p = 0.002). Additionally, the algorithm group had higher predicted mean ETCO2, chest compression rate, diastolic and mean arterial pressure, and myocardial perfusion pressure throughout resuscitation. Swine in the algorithm group also exhibited significantly greater improvement in diastolic and mean arterial pressure and cerebral perfusion pressure after the first dose of epinephrine than did those in the standard group. Incidence of resuscitation-related injuries was similar in the two groups. Conclusions Use of a resuscitation algorithm with stepwise guidance for changes in the chest compression rate and epinephrine administration interval based on a goal ETCO2 level improved survival and intra-arrest hemodynamics in this porcine cardiac arrest model.
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Jaeger D, Koger J, Duhem H, Fritz C, Jeangeorges V, Duarte K, Levy B, Debaty G, Chouihed T. Mildly Reduced Doses of Adrenaline Do Not Affect Key Hemodynamic Parameters during Cardio-Pulmonary Resuscitation in a Pig Model of Cardiac Arrest. J Clin Med 2021; 10:4674. [PMID: 34682797 PMCID: PMC8538222 DOI: 10.3390/jcm10204674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/04/2021] [Accepted: 10/08/2021] [Indexed: 11/30/2022] Open
Abstract
Adrenaline is recommended for cardiac arrest resuscitation, but its effectiveness has been questioned recently. Achieving return of spontaneous circulation (ROSC) is essential and is obtained by increasing coronary perfusion pressure (CPP) after adrenaline injection. A threshold as high as 35 mmHg of CPP may be necessary to obtain ROSC, but increasing doses of adrenaline might be harmful to the brain. Our study aimed to compare the increase in CPP with reduced doses of adrenaline to the recommended 1 mg dose in a pig model of cardiac arrest. Fifteen domestic pigs were randomized into three groups according to the adrenaline doses: 1 mg, 0.5 mg, or 0.25 mg administered every 5 min. Cardiac arrest was induced by ventricular fibrillation; after 5 min of no-flow, mechanical chest compression was resumed. The Wilcoxon test and Kruskal-Wallis exact test were used for the comparison of groups. Fisher's exact test was used to compare categorical variables. CPP, EtCO2 level, cerebral, and tissue near-infrared spectroscopy (NIRS) were measured. CPP was significantly lower in the 0.25 mg group 90 s after the first adrenaline injection: 28.9 (21.2; 35.4) vs. 53.8 (37.8; 58.2) in the 1 mg group (p = 0.008), while there was no significant difference with 0.5 mg 39.6 (32.7; 52.5) (p = 0.056). Overall, 0.25 mg did not achieve the threshold of 35 mmHg. EtCO2 levels were higher at T12 and T14 in the 0.5 mg than in the standard group: 32 (23; 35) vs. 19 (16; 26) and 26 (20; 34) vs. 19 (12; 22) (p < 0.05). Cerebral and tissue NIRS did not show a significant difference between the three groups. CPP after 0.5 mg boluses of adrenaline was not significantly different from the recommended 1 mg in our model of cardiac arrest.
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Affiliation(s)
- Deborah Jaeger
- SAMU-SMUR, Service d’Urgences, CHRU Nancy, 54000 Nancy, France; (D.J.); (J.K.); (V.J.)
- INSERM, Université de Lorraine, 54000 Nancy, France; (C.F.); (B.L.)
| | - Jonathan Koger
- SAMU-SMUR, Service d’Urgences, CHRU Nancy, 54000 Nancy, France; (D.J.); (J.K.); (V.J.)
- INSERM, Université de Lorraine, 54000 Nancy, France; (C.F.); (B.L.)
| | - Helene Duhem
- Service d’Urgences, Université de Grenoble Alpes/CNRS/CHU de Grenoble Alpes, 38000 Grenoble, France; (H.D.); (G.D.)
| | - Caroline Fritz
- INSERM, Université de Lorraine, 54000 Nancy, France; (C.F.); (B.L.)
- Département d’Anesthésie et de Réanimation, HEGP, Assistance Publique–Hôpitaux de Paris, 75015 Paris, France
| | - Victor Jeangeorges
- SAMU-SMUR, Service d’Urgences, CHRU Nancy, 54000 Nancy, France; (D.J.); (J.K.); (V.J.)
| | - Kevin Duarte
- Centre d’Investigation Clinique Plurithématique, INSERM, Université de Lorraine, 54000 Nancy, France;
| | - Bruno Levy
- INSERM, Université de Lorraine, 54000 Nancy, France; (C.F.); (B.L.)
- Service de Réanimation Médicale Brabois, Pôle Cardio-Médico-Chirurgical, CHRU Nancy, 54000 Nancy, France
| | - Guillaume Debaty
- Service d’Urgences, Université de Grenoble Alpes/CNRS/CHU de Grenoble Alpes, 38000 Grenoble, France; (H.D.); (G.D.)
| | - Tahar Chouihed
- SAMU-SMUR, Service d’Urgences, CHRU Nancy, 54000 Nancy, France; (D.J.); (J.K.); (V.J.)
- INSERM, Université de Lorraine, 54000 Nancy, France; (C.F.); (B.L.)
- Centre d’Investigation Clinique Plurithématique, INSERM, Université de Lorraine, 54000 Nancy, France;
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Drumheller BC, Pinizzotto J, Overberger RC, Sabolick EE. Goal-directed cardiopulmonary resuscitation for refractory out-of-hospital cardiac arrest in the emergency Department: A feasibility study. Resusc Plus 2021; 7:100159. [PMID: 34485953 PMCID: PMC8397883 DOI: 10.1016/j.resplu.2021.100159] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/12/2021] [Accepted: 08/02/2021] [Indexed: 11/27/2022] Open
Abstract
Aim To describe the feasibility of prospective measurement of intra-arrest diastolic blood pressure (DBP) and goal-directed treatment of refractory out-of-hospital cardiac arrest (OHCA) in the emergency department (ED). Methods Retrospective case series performed at an urban, tertiary-care hospital from 12/1/2018 - 12/31/2019. We studied consecutive adults presenting with refractory, non-traumatic OHCA treated with haemodynamic-targeted resuscitation that entailed placement of a femoral arterial catheter, transduction of continuous BP during CPR, and administration of vasopressors (1 mg noradrenaline) and, if applicable, Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA), to achieve DBP ≥ 40 mmHg. Feasibility was measured by the success rate and time to achieve arterial catheterization and BP transduction. Additional outcomes included the change in DBP with vasopressor administration and occurrence of sustained ROSC. Results Goal-directed treatment was successfully performed in 8/9 (89%) patients. Arterial access required 1.5 (interquartile range (IQR) 1-2) attempts and BP transduction occurred within 10.5 ± 2.4 minutes of patient arrival. Noradrenaline slightly increased DBP (pre 21.6 ± 8.3 mmHg, post 26.1 ± 12.1 mmHg, p < 0.025), but only 4/23 (17%) doses resulted in DBP ≥ 40 mmHg. REBOA was attempted in 2/8 (25%) patients and placed successfully in both cases. Three (37.5%) patients achieved ROSC, but none survived to hospital discharge. Conclusions In ED patients with refractory OHCA, measurement of DBP during CPR and titration of resuscitation to a DBP goal is feasible. Future research incorporating this approach should seek to develop haemodynamic-targeted treatment strategies for OHCA patients that do not achieve ROSC with initial resuscitation.
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Affiliation(s)
- Byron C Drumheller
- Department of Emergency Medicine, Einstein Healthcare Network, Einstein Medical Center Philadelphia, 5501 Old York Rd, Philadelphia, PA 19141, United States
| | - Joseph Pinizzotto
- Department of Emergency Medicine, Einstein Healthcare Network, Einstein Medical Center Philadelphia, 5501 Old York Rd, Philadelphia, PA 19141, United States
| | - Ryan C Overberger
- Department of Emergency Medicine, Einstein Healthcare Network, Einstein Medical Center Philadelphia, 5501 Old York Rd, Philadelphia, PA 19141, United States
| | - Erin E Sabolick
- Department of Emergency Medicine, Einstein Healthcare Network, Einstein Medical Center Philadelphia, 5501 Old York Rd, Philadelphia, PA 19141, United States
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Shi L, Xu J, Wang J, Zhang M, Liu F, Khan ZU, Liu S, Zhou W, Qian A, Zhang J, Zhang M. Automated pupillometry helps monitor the efficacy of cardiopulmonary resuscitation and predict return of spontaneous circulation. Am J Emerg Med 2021; 49:360-366. [PMID: 34246167 DOI: 10.1016/j.ajem.2021.06.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/11/2021] [Accepted: 06/21/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND We investigated the effectiveness of automated pupillometry on monitoring cardiopulmonary resuscitation (CPR) and predicting return of spontaneous circulation (ROSC) in a swine model of cardiac arrest (CA). METHODS Sixteen male domestic pigs were included. Traditional indices including coronary perfusion pressure (CPP), end-tidal carbon dioxide (ETCO2), regional cerebral tissue oxygen saturation (rSO2) and carotid blood flow (CBF) were continuously monitored throughout the experiment. In addition, the pupillary parameters including the initial pupil size before constriction (Init, maximum diameter), the end pupil size at peak constriction (End, minimum diameter), and percentage of change (%PLR) were measured by an automated quantitative pupillometer at baseline, at 1, 4, 7 min during CA, and at 1, 4, 7 min during CPR. RESULTS ROSC was achieved in 11/16 animals. The levels of CPP, ETCO2, rSO2 and CBF were significantly greater during CPR in resuscitated animals than those non-resuscitated ones. Init and End were decreased and %PLR was increased during CPR in resuscitated animals when compared with those non-resuscitated ones. There were moderate to good significant correlations between traditional indices and Init, End, and %PLR (|r| = 0.46-0.78, all P < 0.001). Furthermore, comparable performance was also achieved by automated pupillometry (AUCs of Init, End and %PLR were 0.821, 0.873 and 0.821, respectively, all P < 0.05) compared with the traditional indices (AUCs = 0.809-0.946). CONCLUSION The automated pupillometry may serve as an effective surrogate method to monitor cardiopulmonary resuscitation efficacy and predict ROSC in a swine model of cardiac arrest.
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Affiliation(s)
- Lin Shi
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Jiefeng Xu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Jiangang Wang
- Hangzhou Emergency Medical Center of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Minhai Zhang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Fei Liu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Zafar Ullah Khan
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Shaoyun Liu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Wen Zhou
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Anyu Qian
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Jungen Zhang
- Hangzhou Emergency Medical Center of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Mao Zhang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China; Institute of Emergency Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
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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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Abstract
PURPOSE OF REVIEW The purpose of this narrative review is to provide an update on hemodynamics during cardiopulmonary resuscitation (CPR) and to describe emerging therapies to optimize perfusion. RECENT FINDINGS Cadaver studies have shown large inter-individual variations in blood distribution and anatomical placement of the heart during chest compressions. Using advanced CT techniques the studies have demonstrated atrial and slight right ventricular compression, but no direct compression of the left ventricle. A hemodynamic-directed CPR strategy may overcome this by allowing individualized hand-placement, drug dosing, and compression rate and depth. Through animal studies and one clinical before-and-after study head-up CPR has shown promising results as a potential strategy to improve cerebral perfusion. Two studies have demonstrated that placement of an endovascular balloon occlusion in the aorta (REBOA) can be performed during ongoing CPR. SUMMARY Modern imaging techniques may help increase our understanding on the mechanism of forward flow during CPR. This could provide new information on how to optimize perfusion. Head-up CPR and the use of REBOA during CPR are novel methods that might improve cerebral perfusion during CPR; both techniques do, however, still await clinical testing.
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Hutin A, Levy Y, Lidouren F, Kohlhauer M, Carli P, Ghaleh B, Lamhaut L, Tissier R. Resuscitative endovascular balloon occlusion of the aorta vs epinephrine in the treatment of non-traumatic cardiac arrest in swine. Ann Intensive Care 2021; 11:81. [PMID: 34002305 PMCID: PMC8128970 DOI: 10.1186/s13613-021-00871-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 05/08/2021] [Indexed: 12/31/2022] Open
Abstract
Background The administration of epinephrine in the management of non-traumatic cardiac arrest remains recommended despite controversial effects on neurologic outcome. The use of resuscitative endovascular balloon occlusion of the aorta (REBOA) could be an interesting alternative. The aim of this study was to compare the effects of these 2 strategies on return of spontaneous circulation (ROSC) and cerebral hemodynamics during cardiopulmonary resuscitation (CPR) in a swine model of non-traumatic cardiac arrest. Results Anesthetized pigs were instrumented and submitted to ventricular fibrillation. After 4 min of no-flow and 18 min of basic life support (BLS) using a mechanical CPR device, animals were randomly submitted to either REBOA or epinephrine administration before defibrillation attempts. Six animals were included in each experimental group (Epinephrine or REBOA). Hemodynamic parameters were similar in both groups during BLS, i.e., before randomization. After epinephrine administration or REBOA, mean arterial pressure, coronary and cerebral perfusion pressures similarly increased in both groups. However, carotid blood flow (CBF) and cerebral regional oxygenation saturation were significantly higher with REBOA as compared to epinephrine administration (+ 125% and + 40%, respectively). ROSC was obtained in 5 animals in both groups. After resuscitation, CBF remained lower in the epinephrine group as compared to REBOA, but it did not achieve statistical significance. Conclusions During CPR, REBOA is as efficient as epinephrine to facilitate ROSC. Unlike epinephrine, REBOA transitorily increases cerebral blood flow and could avoid its cerebral detrimental effects during CPR. These experimental findings suggest that the use of REBOA could be beneficial in the treatment of non-traumatic cardiac arrest.
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Affiliation(s)
- Alice Hutin
- Univ Paris Est Créteil, INSERM, IMRB, 94010, Créteil, France.,Ecole Nationale Vétérinaire D'Alfort, IMRB, AfterROSC Network, 7 avenue du Général de Gaulle, 94700, Maisons-Alfort, France.,SAMU de Paris-ICU, Necker University Hospital, Assistance Publique-Hôpitaux de Paris, Université de Paris, 75015, Paris, France
| | - Yaël Levy
- Univ Paris Est Créteil, INSERM, IMRB, 94010, Créteil, France.,Ecole Nationale Vétérinaire D'Alfort, IMRB, AfterROSC Network, 7 avenue du Général de Gaulle, 94700, Maisons-Alfort, France
| | - Fanny Lidouren
- Univ Paris Est Créteil, INSERM, IMRB, 94010, Créteil, France.,Ecole Nationale Vétérinaire D'Alfort, IMRB, AfterROSC Network, 7 avenue du Général de Gaulle, 94700, Maisons-Alfort, France
| | - Matthias Kohlhauer
- Univ Paris Est Créteil, INSERM, IMRB, 94010, Créteil, France.,Ecole Nationale Vétérinaire D'Alfort, IMRB, AfterROSC Network, 7 avenue du Général de Gaulle, 94700, Maisons-Alfort, France
| | - Pierre Carli
- SAMU de Paris-ICU, Necker University Hospital, Assistance Publique-Hôpitaux de Paris, Université de Paris, 75015, Paris, France
| | - Bijan Ghaleh
- Univ Paris Est Créteil, INSERM, IMRB, 94010, Créteil, France.,Ecole Nationale Vétérinaire D'Alfort, IMRB, AfterROSC Network, 7 avenue du Général de Gaulle, 94700, Maisons-Alfort, France
| | - Lionel Lamhaut
- SAMU de Paris-ICU, Necker University Hospital, Assistance Publique-Hôpitaux de Paris, Université de Paris, 75015, Paris, France.,INSERM U970, PARCC, CEMS, Paris, France
| | - Renaud Tissier
- Univ Paris Est Créteil, INSERM, IMRB, 94010, Créteil, France. .,Ecole Nationale Vétérinaire D'Alfort, IMRB, AfterROSC Network, 7 avenue du Général de Gaulle, 94700, Maisons-Alfort, France.
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Seewald S, Dopfer S, Wnent J, Jakisch B, Heller M, Lefering R, Gräsner JT. Differences between manual CPR and corpuls cpr in regard to quality and outcome: study protocol of the comparing observational multi-center prospective registry study on resuscitation (COMPRESS). Scand J Trauma Resusc Emerg Med 2021; 29:39. [PMID: 33632277 PMCID: PMC7905890 DOI: 10.1186/s13049-021-00855-9] [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: 09/04/2020] [Accepted: 02/11/2021] [Indexed: 12/04/2022] Open
Abstract
Background The effect of mechanical CPR is diversely described in the literature. Different mechanical CPR devices are available. The corpuls cpr is a new generation of piston-driven devices and was launched in 2015. The COMPRESS-trial analyzes quality of chest compression and CPR-related injuries in cases of mechanical CPR by the corpuls cpr and manual CPR. Methods This article describes the design and study protocol of the COMPRESS-trial. This observational multi-center study includes all patients who suffered an out-of-hospital cardiac arrest (OHCA) where CPR is attempted in four German emergency medical systems (EMS) between January 2020 and December 2022. EMS treatment, in-hospital-treatment and outcome are anonymously reported to the German Resuscitation Registry (GRR). This information is linked with data from the defibrillator, the feedback system and the mechanical CPR device for a complete dataset. Primary endpoint is chest compression quality (complete release, compression rate, compression depth, chest compression fraction, CPR-related injuries). Secondary endpoint is survival (return of spontaneous circulation (ROSC), admission to hospital and survival to hospital discharge). The trial is sponsored by GS Elektromedizinische Geräte G. Stemple GmbH. Discussion This observational multi-center study will contribute to the evaluation of mechanical chest compression devices and to the efficacy and safety of the corpuls cpr. Trial registration DRKS, DRKS-ID DRKS00020819. Registered 31 July 2020.
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Affiliation(s)
- S Seewald
- Institute for Emergency Medicine and Department of Anesthesiology and Intensive Care Medicine, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany.
| | - S Dopfer
- Elektromedizinische Geräte G. Stemple GmbH, Kaufering, Germany
| | - J Wnent
- Institute for Emergency Medicine and Department of Anesthesiology and Intensive Care Medicine, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany.,School of Medicine, University of Namibia, Windhoek, Namibia
| | | | - M Heller
- Elektromedizinische Geräte G. Stemple GmbH, Kaufering, Germany
| | - R Lefering
- Institute for Research in Operative Medicine, Faculty of Health, University of Witten/ Herdecke, Witten, Germany
| | - J T Gräsner
- Institute for Emergency Medicine and Department of Anesthesiology and Intensive Care Medicine, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105, Kiel, Germany
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Obermaier M, Zimmermann JB, Popp E, Weigand MA, Weiterer S, Dinse-Lambracht A, Muth CM, Nußbaum BL, Gräsner JT, Seewald S, Jensen K, Seide SE. Automated mechanical cardiopulmonary resuscitation devices versus manual chest compressions in the treatment of cardiac arrest: protocol of a systematic review and meta-analysis comparing machine to human. BMJ Open 2021; 11:e042062. [PMID: 33589455 PMCID: PMC7887349 DOI: 10.1136/bmjopen-2020-042062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
INTRODUCTION Cardiac arrest is a leading cause of death in industrialised countries. Cardiopulmonary resuscitation (CPR) guidelines follow the principles of closed chest compression as described for the first time in 1960. Mechanical CPR devices are designed to improve chest compression quality, thus considering the improvement of resuscitation outcomes. This protocol outlines a systematic review and meta-analysis methodology to assess trials investigating the therapeutic effect of automated mechanical CPR devices at the rate of return of spontaneous circulation, neurological state and secondary endpoints (including short-term and long-term survival, injuries and surrogate parameters for CPR quality) in comparison with manual chest compressions in adults with cardiac arrest. METHODS AND ANALYSIS A sensitive search strategy will be employed in established bibliographic databases from inception until the date of search, followed by forward and backward reference searching. We will include randomised and quasi-randomised trials in qualitative analysis thus comparing mechanical to manual CPR. Studies reporting survival outcomes will be included in quantitative analysis. Two reviewers will assess independently publications using a predefined data collection form. Standardised tools will be used for data extraction, risks of bias and quality of evidence. If enough studies are identified for meta-analysis, the measures of association will be calculated by dint of bivariate random-effects models. Statistical heterogeneity will be evaluated by I2-statistics and explored through sensitivity analysis. By comprehensive subgroup analysis we intend to identify subpopulations who may benefit from mechanical or manual CPR techniques. The reporting follows the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. ETHICS AND DISSEMINATION No ethical approval will be needed because data from previous studies will be retrieved and analysed. Most resuscitation studies are conducted under an emergency exception for informed consent. This publication contains data deriving from a dissertation project. We will disseminate the results through publication in a peer-reviewed journal and at scientific conferences. PROSPERO REGISTRATION NUMBER CRD42017051633.
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Affiliation(s)
- Manuel Obermaier
- Department of Anaesthesiology, Heidelberg University Hospital, Heidelberg, Germany
| | | | - Erik Popp
- Department of Anaesthesiology, Heidelberg University Hospital, Heidelberg, Germany
| | - Markus A Weigand
- Department of Anaesthesiology, Heidelberg University Hospital, Heidelberg, Germany
| | - Sebastian Weiterer
- Department of Anaesthesiology, Heidelberg University Hospital, Heidelberg, Germany
- Rheinland Klinikum, Lukaskrankenhaus Neuss, Neuss, Germany
| | | | - Claus-Martin Muth
- Department of Anaesthesiology, Ulm University Hospital, Ulm, Germany
| | | | - Jan-Thorsten Gräsner
- Institute for Emergency Medicine, Schleswig-Holstein University Hospital, Kiel, Germany
| | - Stephan Seewald
- Institute for Emergency Medicine, Schleswig-Holstein University Hospital, Kiel, Germany
| | - Katrin Jensen
- Institute of Medical Biometry and Informatics, Heidelberg University Hospital, Heidelberg, Germany
| | - Svenja E Seide
- Institute of Medical Biometry and Informatics, Heidelberg University Hospital, Heidelberg, Germany
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Olsen MH, Olesen ND, Karlsson M, Holmlöv T, Søndergaard L, Boutelle M, Mathiesen T, Møller K. Randomized blinded trial of automated REBOA during CPR in a porcine model of cardiac arrest. Resuscitation 2021; 160:39-48. [PMID: 33482264 DOI: 10.1016/j.resuscitation.2021.01.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/23/2020] [Accepted: 01/05/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Resuscitative endovascular balloon occlusion of the aorta (REBOA) reportedly elevates arterial blood pressure (ABP) during non-traumatic cardiac arrest. OBJECTIVES This randomized, blinded trial of cardiac arrest in pigs evaluated the effect of automated REBOA two minutes after balloon inflation on ABP (primary endpoint) as well as arterial blood gas values and markers of cerebral haemodynamics and metabolism. METHODS Twenty anesthetized pigs were randomized to REBOA inflation or sham-inflation (n = 10 in each group) followed by insertion of invasive monitoring and a novel, automated REBOA catheter (NEURESCUE® Catheter & NEURESCUE® Assistant). Cardiac arrest was induced by ventricular pacing. Cardiopulmonary resuscitation was initiated three min after cardiac arrest, and the automated REBOA was inflated or sham-inflated (blinded to the investigators) five min after cardiac arrest. RESULTS In the inflation compared to the sham group, mean ABP above the REBOA balloon after inflation was higher (inflation: 54 (95%CI: 43-65) mmHg; sham: 44 (33-55) mmHg; P = 0.06), and diastolic ABP was higher (inflation: 38 (29-47) mmHg; sham: 26 (20-33) mmHg; P = 0.02), and the arterial to jugular oxygen content difference was lower (P = 0.04). After return of spontaneous circulation, mean ABP (inflation: 111 (95%CI: 94-128) mmHg; sham: 94 (95%CI: 65-123) mmHg; P = 0.04), diastolic ABP (inflation: 95 (95%CI: 78-113) mmHg; sham: 78 (95%CI: 50-105) mmHg; P = 0.02), CPP (P = 0.01), and brain tissue oxygen tension (inflation: 315 (95%CI: 139-491)% of baseline; sham: 204 (95%CI: 75-333)%; P = 0.04) were higher in the inflation compared to the sham group. CONCLUSION Inflation of REBOA in a porcine model of non-traumatic cardiac arrest improves central diastolic arterial pressure as a surrogate marker of coronary artery pressure, and cerebral perfusion. INSTITUTIONAL PROTOCOL NUMBER 2017-15-0201-01371.
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Affiliation(s)
- Markus Harboe Olsen
- Department of Neurointensive Care and Neuroanaesthesiology, Neuroscience Centre, Rigshospitalet, University of Copenhagen, Denmark.
| | - Niels D Olesen
- Department of Anesthesiology, Centre of Cancer and Organ Diseases, Rigshospitalet, University of Copenhagen, Denmark
| | - Michael Karlsson
- Department of Neurosurgery, Neuroscience Centre, Rigshospitalet, University of Copenhagen, Denmark
| | - Theodore Holmlöv
- Department of Neurosurgery, Neuroscience Centre, Rigshospitalet, University of Copenhagen, Denmark; Stockholm Health Care Services, Region Stockholm, Stockholm, Sweden
| | - Lars Søndergaard
- Department of Cardiology, Centre of Cardiac, Vascular, Pulmonary and Infectious Diseases, Rigshospitalet, University of Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Martyn Boutelle
- Faculty of Engineering, Department of Bioengineering, Imperial College, London, United Kingdom
| | - Tiit Mathiesen
- Department of Neurosurgery, Neuroscience Centre, Rigshospitalet, University of Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark; Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Kirsten Møller
- Department of Neurointensive Care and Neuroanaesthesiology, Neuroscience Centre, Rigshospitalet, University of Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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Taylor B, Joshi B, Hutchison L, Manivel V. Echocardiography does not prolong peri-shock pause in cardiopulmonary resuscitation using the COACH-RED protocol with non-expert sonographers in simulated cardiac arrest. Resusc Plus 2020; 4:100047. [PMID: 34223322 PMCID: PMC8244492 DOI: 10.1016/j.resplu.2020.100047] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVE Focused echocardiography during peri-shock pause (PSP) can prognosticate and detect reversible causes in cardiac arrest but minimising interruptions to chest compressions improves outcome. The COACH-RED protocol was adapted from the COACHED protocol to systematically incorporate echocardiography into rhythm check without prolonging PSP beyond the recommended 10 s. The primary objective of this study was to test the feasibility of emergency nurses learning to perform all roles in the COACH-RED protocol. PSP duration and change in participant confidence were secondary outcomes. METHODS After an initial two-hour workshop, five ALS-trained nurses were assessed for the correct use of COACH-RED protocol, without critical error, in three simulated cardiac arrest scenarios of four cycles each. Assessments were repeated on days 7 and 35. On day 35, three COACHED scenarios were also assessed for comparison. Participant roles per scenario and cardiac rhythm per cycle were randomised. Participants completed questionnaires on their confidence levels. Sessions were videotaped for accurate measurement of PSP duration and results tabulated for simple comparison. Statistical analysis was not performed due to small sample size. RESULTS There were no critical errors, two minor team-leading errors and two minor echosonography errors. Minor errors occurred in separate scenarios resulting in a 100% pass rate overall by predetermined criteria. Echocardiographic recordings were 100% adequate. Overall median PSP was 9.35 s for COACH-RED and 6.94 s for COACHED. Sub-group analysis of COACH-RED revealed median PSP 10.80 s in shockable rhythms and 8.74 s (∼2 s less) in non-shockable rhythms. Mean participant confidence in performing COACH-RED improved from 1.6 to 4.6, on a 5-point scale. CONCLUSION The COACH-RED protocol can be effectively performed by ALS-trained nurses, in all roles of this protocol, including echocardiography, in a simulated environment, after a single training session. Using this protocol, focused echocardiography does not prolong PSP beyond 10 s.
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Key Words
- ALS, Advanced Life Support
- ARC, Australian Resuscitation Council
- Advanced cardiac life support
- CPR, Cardiopulmonary resuscitation
- Cardiac arrest
- Cardiopulmonary resuscitation
- ED, Emergency Department
- Echocardiography
- Education
- IQR, Interquartile Range
- Nursing
- PEA, Pulseless Electrical Activity
- PSP, Peri-Shock Pause
- SAH, Sydney Adventist Hospital
- Simulation training
- VF, Ventricular Fibrillation
- VT, Ventricular Tachycardia
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Affiliation(s)
- Benjamin Taylor
- Emergency Care, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
| | - Bhushan Joshi
- Emergency Care, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
| | - Leanne Hutchison
- Emergency Care, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
| | - Vijay Manivel
- Emergency Care, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
- The University of Sydney, Sydney, NSW 2000, Australia
- Emergency Department, Nepean Hospital, Kingswood, NSW 2747, Australia
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Nowadly CD, Johnson MA, Hoareau GL, Manning JE, Daley JI. The use of resuscitative endovascular balloon occlusion of the aorta (REBOA) for non-traumatic cardiac arrest: A review. J Am Coll Emerg Physicians Open 2020; 1:737-743. [PMID: 33145513 PMCID: PMC7593442 DOI: 10.1002/emp2.12241] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/11/2020] [Accepted: 08/14/2020] [Indexed: 12/21/2022] Open
Abstract
Resuscitative endovascular balloon occlusion of the aorta (REBOA) has been proposed as a novel approach to managing non-traumatic cardiac arrest (NTCA). During cardiac arrest, cardiac output ceases and perfusion of vital organs is compromised. Traditional advanced cardiac life support (ACLS) measures and cardiopulmonary resuscitation are often unable to achieve return of spontaneous circulation (ROSC). During insertion of REBOA a balloon-tipped catheter is placed into the femoral artery and advanced in a retrograde manner into the aorta while the patient is undergoing cardiopulmonary resuscitation (CPR). The balloon is then inflated to fully occlude the aorta. The literature surrounding the use of aortic occlusion in non-traumatic cardiac arrest is limited to animal studies, case reports and one recent non-controlled feasibility trial. In both human and animal studies, preliminary data show that REBOA may improve coronary and cerebral perfusion pressures and key physiologic parameters during cardiac arrest resuscitation, and animal data have demonstrated improved rates of ROSC. Multiple questions remain before REBOA can be considered as an adjunct to ACLS. If demonstrated to be effective clinically, REBOA represents a potentially cost-effective and generalizable intervention that may improve quality of life for patients with non-traumatic cardiac arrest.
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Affiliation(s)
- Craig D. Nowadly
- Department of Emergency MedicineDavid Grant United States Air Force Medical CenterTravis Air Force BaseSacramentoCaliforniaUSA
- Department of Emergency MedicineUniversity of California at DavisSacramentoCaliforniaUSA
| | - M. Austin Johnson
- Division of Emergency MedicineUniversity of Utah School of MedicineSalt Lake CityUtahUSA
| | - Guillaume L. Hoareau
- Division of Emergency MedicineUniversity of Utah School of MedicineSalt Lake CityUtahUSA
| | - James E Manning
- Department of Emergency MedicineUniversity of North Carolina School of MedicineChapel HillUSA
| | - James I. Daley
- Department of Emergency MedicineYale University School of MedicineNew HavenConnecticutUSA
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Barringer BJ, Castaneda MG, Rall J, Maddry JK, Anderson KL. The Effect of Chest Compression Location and Aortic Perfusion in a Traumatic Arrest Model. J Surg Res 2020; 258:88-99. [PMID: 33002666 DOI: 10.1016/j.jss.2020.08.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 08/17/2020] [Accepted: 08/25/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Recent evidence demonstrates that closed chest compressions directly over the left ventricle (LV) in a traumatic cardiac arrest (TCA) model improve hemodynamics and return of spontaneous circulation (ROSC) when compared to traditional compressions. Selective aortic arch perfusion (SAAP) also improves hemodynamics and controls hemorrhage in TCA. We hypothesized that chest compressions located over the LV would result in improved hemodynamics and ROSC in a swine model of TCA using SAAP. MATERIALS AND METHODS Transthoracic echo was used to mark the location of the aortic root (Traditional location) and the center of the LV on animals (n = 24), which were randomized to receive chest compressions in one of the two locations. After hemorrhage, ventricular fibrillation (VF) was induced to simulate TCA. After a period of 10 min of VF, basic life support (BLS) with mechanical CPR was initiated and performed for 10 min, followed by advanced life support (ALS) for an additional 10 min. SAAP balloons were inflated at min 6 of BLS. Hemodynamic variables were averaged over the final 2 min of the BLS and ALS periods. Survival was compared between this SAAP cohort and a control group without SAAP (No-SAAP) (n = 26). RESULTS There was no significant difference in ROSC between the two SAAP groups (P = 0.67). There was no ROSC difference between SAAP and No-SAAP (P = 0.74). CONCLUSIONS There was no difference in ROSC between LV and Traditional compressions when SAAP was used in this swine model of TCA. SAAP did not confer a survival benefit compared to historical controls.
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Affiliation(s)
- Benjamin J Barringer
- Department of Emergency Medicine, Joint Base Elmendorf-Richardson, Elmendorf AFB, Alaska
| | - Maria G Castaneda
- CREST Research Program, Wilford Hall Ambulatory Surgical Center, Lackland AFB, Texas
| | - Jason Rall
- CREST Research Program, Wilford Hall Ambulatory Surgical Center, Lackland AFB, Texas
| | - Joseph K Maddry
- United States Air Force En-route Care Research Center, United States Army Institute of Surgical Research/59th MDW/ST, San Antonio, Texas
| | - Kenton L Anderson
- Department of Emergency Medicine, Stanford University School of Medicine, Palo Alto, California.
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Huang L, Ren Q, Yu S, Shao Y, Chen Y, Huang X. Supplement of Lipid Emulsion to Epinephrine Improves Resuscitation Outcomes of Asphyxia-Induced Cardiac Arrest in Aged Rats. Clin Interv Aging 2020; 15:1701-1716. [PMID: 33061323 PMCID: PMC7519862 DOI: 10.2147/cia.s268768] [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: 06/21/2020] [Accepted: 08/12/2020] [Indexed: 11/23/2022] Open
Abstract
Objective The goal of the study was to investigate the efficacy of lipid supplement to epinephrine-based therapy in resuscitation of asphyxia-induced cardiac arrest in aged rats. Methods The study included two parts: in experiment A, rats underwent asphyxial cardiac arrest and cardiopulmonary resuscitation, randomized to receive epinephrine and normal saline (control group, n=22), epinephrine and intralipid 20% (long-chain triglycerides (LCT) group, n=22) or epinephrine and lipovenoes 20% (LCT/medium-chain triglcerides (MCT) group, n=22). Return of spontaneous circulation, recurrence of asystole after resuscitation, hemodynamic metrics, arterial blood gas values, neurological assessment score and indexes of pulmonary transudation were recorded. In experiment B, rats using the same model and resuscitation protocol were randomly divided into 21 groups: Control 0, Control 20, Control 40, Control 60, Control 80, Control 100, Control 120, LCT 0, LCT 20, LCT 40, LCT 60, LCT 80, LCT 100, LCT 120, LCT/MCT 0, LCT/MCT 20, LCT/MCT 40, LCT/MCT 60, LCT/MCT 80, LCT/MCT 100 and LCT 120 (n=10, the subscripts represent respective endpoint of observation in minutes). Myocardial bioenergetics were determined. Results In experiment A, the LCT and LCT/MCT groups had a shorter time to return of spontaneous circulation (ROSC) (P=0.001and P<0.001, respectively) and higher survival rate (P=0.033 and P=0.014, respectively) compared with the Control group. The LCT/MCT group had higher MAP (P<0.001 and P=0.001, respectively), HR (P<0.001 and P=0.004, respectively) and RPP (P<0.001 and P<0.001, respectively) compared with the Control and LCT groups, respectively. In experiment B, the LCT/MCT group had a higher energy charge compared with the control group at 20 (P<0.001) and 40 (P<0.001) minutes. The LCT group had higher energy charge compared with the Control group at 40 (P<0.001) and 60 (P<0.001) minutes. Conclusion The supplement of lipid emulsion to epinephrine improves resuscitation outcomes of asphyxia-induced cardiac arrest than epinephrine alone in our in vivo model of aged rat. LCT/MCT emulsion may be superior to LCT emulsion in epinephrine-based resuscitation.
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Affiliation(s)
- Lijun Huang
- Department of Anesthesiology, Ningbo Yinzhou People's Hospital, The Affiliated People's Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Qiusheng Ren
- Department of Anesthesiology, Ningbo Yinzhou People's Hospital, The Affiliated People's Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Shenghui Yu
- Department of Anesthesiology, Ningbo Yinzhou People's Hospital, The Affiliated People's Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Ya Shao
- Department of Anesthesiology, Ningbo Yinzhou People's Hospital, The Affiliated People's Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
| | - Yijun Chen
- Department of Anesthesiology, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, Ningbo, Zhejiang, People's Republic of China
| | - Xin Huang
- Department of Anesthesiology, Ningbo Yinzhou People's Hospital, The Affiliated People's Hospital of Ningbo University, Ningbo, Zhejiang, People's Republic of China
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Sebastian PS, Kosmopoulos MN, Gandhi M, Oshin A, Olson MD, Ripeckyj A, Bahmer L, Bartos JA, Theodorou EA, Yannopoulos D. Closed-loop machine-controlled CPR system optimises haemodynamics during prolonged CPR. Resusc Plus 2020; 3:100021. [PMID: 34223304 PMCID: PMC8244522 DOI: 10.1016/j.resplu.2020.100021] [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: 06/17/2020] [Revised: 07/12/2020] [Accepted: 07/28/2020] [Indexed: 11/29/2022] Open
Abstract
Objectives We evaluated the feasibility of optimising coronary perfusion pressure (CPP) during cardiopulmonary resuscitation (CPR) with a closed-loop, machine-controlled CPR system (MC-CPR) that sends real-time haemodynamic feedback to a set of machine learning and control algorithms which determine compression/decompression characteristics over time. Background American Heart Association CPR guidelines (AHA-CPR) and standard mechanical devices employ a “one-size-fits-all” approach to CPR that fails to adjust compressions over time or individualise therapy, thus leading to deterioration of CPR effectiveness as duration exceeds 15–20 min. Methods CPR was administered for 30 min in a validated porcine model of cardiac arrest. Intubated anaesthetised pigs were randomly assigned to receive MC-CPR (6), mechanical CPR conducted according to AHA-CPR (6), or human-controlled CPR (HC-CPR) (10). MC-CPR directly controlled the CPR piston’s amplitude of compression and decompression to maximise CPP over time. In HC-CPR a physician controlled the piston amplitudes to maximise CPP without any algorithmic feedback, while AHA-CPR had one compression depth without adaptation. Results MC-CPR significantly improved CPP throughout the 30-min resuscitation period compared to both AHA-CPR and HC-CPR. CPP and carotid blood flow (CBF) remained stable or improved with MC-CPR but deteriorated with AHA-CPR. HC-CPR showed initial but transient improvement that dissipated over time. Conclusion Machine learning implemented in a closed-loop system successfully controlled CPR for 30 min in our preclinical model. MC-CPR significantly improved CPP and CBF compared to AHA-CPR and ameliorated the temporal haemodynamic deterioration that occurs with standard approaches.
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Affiliation(s)
- Pierre S Sebastian
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
| | - Marinos N Kosmopoulos
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
| | - Manan Gandhi
- Georgia Institute of Technology, School of Aerospace Engineering, Institute of Robotics and Intelligent Machines, Center for Machine Learning, United States
| | - Alex Oshin
- Georgia Institute of Technology, School of Aerospace Engineering, Institute of Robotics and Intelligent Machines, Center for Machine Learning, United States
| | - Matthew D Olson
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
| | - Adrian Ripeckyj
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
| | - Logan Bahmer
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
| | - Jason A Bartos
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
| | - Evangelos A Theodorou
- Georgia Institute of Technology, School of Aerospace Engineering, Institute of Robotics and Intelligent Machines, Center for Machine Learning, United States
| | - Demetris Yannopoulos
- Center for Resuscitation Medicine, University of Minnesota Medical School, Cardiovascular Division, University of Minnesota, Minneapolis, MN, United States
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Zone 3 REBOA does not provide hemodynamic benefits during nontraumatic cardiac arrest. Am J Emerg Med 2020; 38:1915-1920. [PMID: 32750628 PMCID: PMC7301802 DOI: 10.1016/j.ajem.2020.06.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/29/2020] [Accepted: 06/02/2020] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Resuscitative endovascular balloon occlusion of the aorta (REBOA) may be a novel intervention to improve cardiopulmonary resuscitation (CPR) quality during cardiac arrest. Zone 1 supraceliac aortic occlusion improves coronary and cerebral blood flow. It is unknown if Zone 3 occlusion distal to the renal arteries offers a similar physiologic benefit while maintaining blood flow to organs above the point of occlusion. METHODS Fifteen swine were anesthetized, instrumented, and placed into ventricular fibrillation. Mechanical CPR was immediately initiated. After 5 min of CPR, Zone 1 REBOA, Zone 3 REBOA, or no intervention (control) was initiated. Hemodynamic variables were continuously recorded for 30 min. RESULTS There were no significant differences between groups before REBOA deployment. Once REBOA was deployed, Zone 1 animals had statistically greater diastolic blood pressure compared to control (median [IQR]: 19.9 mmHg [9.5-20.5] vs 3.9 mmHg [2.4-4.8], p = .006). There were no differences in diastolic blood pressure between Zone 1 and Zone 3 (8.6 mmHg [5.1-13.1], p = .10) or between Zone 3 and control (p = .10). There were no significant differences in systolic blood pressure, cerebral blood flow, or time to return of spontaneous circulation (ROSC) between groups. CONCLUSION In our swine model of cardiac arrest, Zone 1 REBOA improved diastolic blood pressure when compared to control. Zone 3 does not offer a hemodynamic benefit when compared to no occlusion. Unlike prior studies, immediate use of REBOA after arrest did not result in an increase in ROSC rate, suggesting REBOA may be more beneficial in patients with prolonged no-flow time. INSTITUTIONAL PROTOCOL NUMBER FDG20180024A.
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Anderson KL, Morgan JD, Castaneda MG, Boudreau SM, Araña AA, Kohn MA, Bebarta VS. The Effect of Chest Compression Location and Occlusion of the Aorta in a Traumatic Arrest Model. J Surg Res 2020; 254:64-74. [PMID: 32417498 DOI: 10.1016/j.jss.2020.03.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 03/03/2020] [Accepted: 03/15/2020] [Indexed: 01/17/2023]
Abstract
BACKGROUND Recent evidence demonstrates that closed chest compressions directly over the left ventricle (LV) in a traumatic cardiac arrest (TCA) model improve hemodynamics and return of spontaneous circulation (ROSC) when compared with traditional compressions. Resuscitative endovascular balloon occlusion of the aorta (REBOA) also improves hemodynamics and controls hemorrhage in TCA. We hypothesized that chest compressions located over the LV would result in improved hemodynamics and ROSC in a swine model of TCA using REBOA. MATERIALS AND METHODS Transthoracic echo was used to mark the location of the aortic root (traditional location) and the center of the LV on animals (n = 26), which were randomized to receive chest compressions in one of the two locations. After hemorrhage, ventricular fibrillation was induced to simulate TCA. After a period of 10 min of ventricular fibrillation, basic life support (BLS) with mechanical cardiopulmonary resuscitation was initiated and performed for 10 min followed by advanced life support for an additional 10 min. REBOA balloons were inflated at 6 min into BLS. Hemodynamic variables were averaged during the final 2 min of the BLS and advanced life support periods. Survival was compared between this REBOA cohort and a control group without REBOA (no-REBOA cohort) (n = 26). RESULTS There was no significant difference in ROSC between the two REBOA groups (P = 0.24). Survival was higher with REBOA group versus no-REBOA group (P = 0.02). CONCLUSIONS There was no difference in ROSC between LV and traditional compressions when REBOA was used in this swine model of TCA. REBOA conferred a survival benefit regardless of compression location.
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Affiliation(s)
- Kenton L Anderson
- Department of Emergency Medicine, Stanford University School of Medicine, Palo Alto, California.
| | | | - Maria G Castaneda
- CREST Research Program, Wilford Hall Ambulatory Surgical Center, Lackland AFB, Bexar County, Texas
| | - Susan M Boudreau
- CREST Research Program, Wilford Hall Ambulatory Surgical Center, Lackland AFB, Bexar County, Texas
| | - Allyson A Araña
- United States Army Institute of Surgical Research, Fort Sam Houston, Texas
| | - Michael A Kohn
- Department of Emergency Medicine, Stanford University School of Medicine, Palo Alto, California
| | - Vikhyat S Bebarta
- Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado
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Jung YH, Mamadjonov N, Lee HY, Jeung KW, Lee BK, Youn CS, Heo T, Min YI. Effects of Different Doses of Pralidoxime Administered During Cardiopulmonary Resuscitation and the Role of α-Adrenergic Receptors in Its Pressor Action. J Am Heart Assoc 2020; 9:e015076. [PMID: 32070203 PMCID: PMC7335542 DOI: 10.1161/jaha.119.015076] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Background We previously reported that pralidoxime facilitated restoration of spontaneous circulation by potentiating the pressor effect of epinephrine. We determined the optimal dose of pralidoxime during cardiopulmonary resuscitation and evaluated the involvement of α‐adrenoceptors in its pressor action. Methods and Results Forty‐four pigs randomly received 1 of 3 doses of pralidoxime (40, 80, or 120 mg/kg) or saline placebo during cardiopulmonary resuscitation, including epinephrine administration. Pralidoxime at 40 mg/kg produced the highest coronary perfusion pressure, whereas 120 mg/kg of pralidoxime produced the lowest coronary perfusion pressure. Restoration of spontaneous circulation was attained in 4 (36.4%), 11 (100%), 9 (81.8%), and 3 (27.3%) animals in the saline, 40, 80, and 120 mg/kg groups, respectively (P<0.001). In 49 rats, arterial pressure response to 40 mg/kg of pralidoxime was determined after saline, guanethidine, phenoxybenzamine, or phentolamine pretreatment, and the response to 200 mg/kg pf pralidoxime was determined after saline, propranolol, or phentolamine pretreatment. Pralidoxime at 40 mg/kg elicited a pressor response. Phenoxybenzamine completely inhibited the pressor response, but guanethidine and phentolamine did not. The pressor response of pralidoxime was even greater after guanethidine or phentolamine pretreatment. Pralidoxime at 200 mg/kg produced an initial vasodepressor response followed by a delayed pressor response. Unlike propranolol, phentolamine eliminated the initial vasodepressor response. Conclusions Pralidoxime at 40 mg/kg administered with epinephrine improved restoration of spontaneous circulation rate by increasing coronary perfusion pressure in a pig model of cardiac arrest, whereas 120 mg/kg did not improve coronary perfusion pressure or restoration of spontaneous circulation rate. The pressor effect of pralidoxime was unrelated to α‐adrenoceptors and buffered by its vasodepressor action mediated by sympathoinhibition.
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Affiliation(s)
- Yong Hun Jung
- Department of Emergency Medicine Chonnam National University Hospital Gwangju Republic of Korea.,Department of Emergency Medicine Chonnam National University Medical School Gwangju Republic of Korea
| | - Najmiddin Mamadjonov
- Department of Medical Science Chonnam National University Graduate School Gwangju Republic of Korea
| | - Hyoung Youn Lee
- Department of Emergency Medicine Chonnam National University Hospital Gwangju Republic of Korea
| | - Kyung Woon Jeung
- Department of Emergency Medicine Chonnam National University Hospital Gwangju Republic of Korea.,Department of Emergency Medicine Chonnam National University Medical School Gwangju Republic of Korea
| | - Byung Kook Lee
- Department of Emergency Medicine Chonnam National University Hospital Gwangju Republic of Korea.,Department of Emergency Medicine Chonnam National University Medical School Gwangju Republic of Korea
| | - Chun Song Youn
- Department of Emergency Medicine Seoul St. Mary's Hospital The Catholic University of Korea Seoul Republic of Korea
| | - Tag Heo
- Department of Emergency Medicine Chonnam National University Hospital Gwangju Republic of Korea.,Department of Emergency Medicine Chonnam National University Medical School Gwangju Republic of Korea
| | - Yong Il Min
- Department of Emergency Medicine Chonnam National University Hospital Gwangju Republic of Korea.,Department of Emergency Medicine Chonnam National University Medical School Gwangju Republic of Korea
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Association of ultrasound-related interruption during cardiopulmonary resuscitation with adult cardiac arrest outcomes: A video-reviewed retrospective study. Resuscitation 2020; 149:74-80. [PMID: 32068026 DOI: 10.1016/j.resuscitation.2020.02.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 11/23/2022]
Abstract
OBJECTIVES To determine the association of focused transthoracic echocardiography (ECHO) related interruption during cardiopulmonary resuscitation (CPR) with patient outcomes in the Emergency Department (ED). METHODS This was a retrospective, single center, cohort study, conducted in an urban community teaching ED. Eligible study subjects were adult patients in the ED with sustained cardiac arrest. Exclusion criteria include traumatic cardiac arrest and age less than 18. All resuscitations were video recorded and were subsequently reviewed by 2 study investigators. The no-flow time from chest compression interruption was analyzed using video review and separated into ECHO-related and non-ECHO related. Our primary outcome was patient survival to hospital discharge and the secondary outcome was the rate of return of spontaneous circulation (ROSC). Multivariate logistic regression analyses were performed to examine the associations between independent variables and outcomes. RESULTS From January 2016 to May 2017, a total of 210 patients were included for final analysis. The median total no-flow time observed on video was 99.5 s (IQR: 54.0-160.0 s). Among these, a median of 26.5 s (IQR: 0.0-59.0 s) was ECHO-related and a median of 60.5 s (IQR: 34.0-101.9) was non-ECHO-related. The ECHO-related no-flow time between 77 and 122 s (OR: 7.31, 95 % confidence interval [CI]: 1.59-33.59; p-value = 0.01) and ECHO-related interruption ≦ 2 times (OR: 8.22, 95% CI: 1.51-44.64; p-value = 0.01) were positively associated with survival to hospital discharge. ECHO-related interruption ≦ 2 times (OR: 5.55, 95% CI: 2.44-12.61; p-value < 0.001) was also positively associated with ROSC. CONCLUSION Short ECHO-related interruption during CPR was positively associated with ROSC and survival to hospital discharge. While ECHO can be a valuable diagnostic tool during CPR, the no-flow time associated with ECHO should be minimized.
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Ripeckyj A, Kosmopoulos M, Shekar K, Carlson C, Kalra R, Rees J, Aufderheide TP, Bartos JA, Yannopoulos D. Sodium Nitroprusside-Enhanced Cardiopulmonary Resuscitation Improves Blood Flow by Pulmonary Vasodilation Leading to Higher Oxygen Requirements. ACTA ACUST UNITED AC 2020; 5:183-192. [PMID: 32140624 PMCID: PMC7046538 DOI: 10.1016/j.jacbts.2019.11.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 11/26/2019] [Accepted: 11/26/2019] [Indexed: 01/14/2023]
Abstract
SNPeCPR improves coronary perfusion pressure, tissue perfusion, and carotid blood flow compared to epinephrine-based standard advanced cardiac life support. In a porcine model of prolonged resuscitation, SNPeCPR was associated with decreased arterial oxygen saturation but improved tissue oxygen delivery due to improvement in blood flow. Oxygen supplementation led to alleviation of hypoxemia and maintenance of the SNPeCPR hemodynamic benefits. Arterial oxygen saturation must be a safety endpoint that will be prospectively assessed in the first SNPeCPR clinical trial in humans.
Sodium nitroprusside–enhanced cardiopulmonary resuscitation has shown superior resuscitation rates and neurologic outcomes in large animal models supporting the need for a randomized human clinical trial. This study is the first to show nonselective pulmonary vasodilation as a potential mechanism for the hemodynamic benefits. The pulmonary shunting that is created requires increased oxygen treatment, but the overall improvement in blood flow increases minute oxygen delivery to tissues. In this context, hypoxemia is an important safety endpoint and a 100% oxygen ventilation strategy may be necessary for the first human clinical trial.
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Key Words
- A-a, alveolar-arterial
- ACLS, advanced cardiac life support
- BLS, basic life support
- CBF, carotid blood flow
- CPP, coronary perfusion pressure
- CPR, cardiopulmonary resuscitation
- FiO2, fraction of inspired oxygen
- ITD, impedance threshold device
- ROSC, return of spontaneous circulation
- SNP, sodium nitroprusside
- SNPeCPR, sodium nitroprusside–enhanced cardiopulmonary resuscitation
- VF, ventricular fibrillation
- cardiopulmonary resuscitation
- coronary perfusion pressure
- lactic acid
- pulmonary vasodilation
- sodium nitroprusside
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Affiliation(s)
- Adrian Ripeckyj
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
| | | | - Kadambari Shekar
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
| | - Claire Carlson
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
| | - Rajat Kalra
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
| | - Jennifer Rees
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
| | - Tom P. Aufderheide
- Department of Emergency Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Jason A. Bartos
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
- Center for Resuscitation Medicine, University of Minnesota School of Medicine, Minneapolis, Minnesota
| | - Demetris Yannopoulos
- Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
- Center for Resuscitation Medicine, University of Minnesota School of Medicine, Minneapolis, Minnesota
- Address for correspondence: Dr. Demetris Yannopoulos, Center for Resuscitation Medicine, Office of Academic Clinical Affairs, University of Minnesota Medical School, 420 Delaware Street, Southeast, MMC 508 Mayo, Minneapolis, Minnesota 55455.
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Jung YH, Lee HY, Jeung KW, Lee BK, Youn CS, Yun SW, Heo T, Min YI. Pralidoxime administered during cardiopulmonary resuscitation facilitates successful resuscitation in a pig model of cardiac arrest. Clin Exp Pharmacol Physiol 2020; 47:236-246. [PMID: 31631356 DOI: 10.1111/1440-1681.13198] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/24/2019] [Accepted: 10/15/2019] [Indexed: 11/29/2022]
Abstract
Pralidoxime is a common antidote for organophosphate poisoning; however, studies have also reported pralidoxime's pressor effect, which may facilitate the restoration of spontaneous circulation (ROSC) after cardiac arrest by improving coronary perfusion pressure (CPP). We investigated the immediate cardiovascular effects of pralidoxime in anaesthetised normal rats and the effects of pralidoxime administration during cardiopulmonary resuscitation (CPR) in a pig model of cardiac arrest. To evaluate the immediate cardiovascular effects of pralidoxime, seven anaesthetised normal rats received saline or pralidoxime (20 mg/kg) in a randomised crossover design, and the responses were determined using the conductance catheter technique. To evaluate the effects of pralidoxime administration during CPR, 22 pigs randomly received either 80 mg/kg of pralidoxime or an equivalent volume of saline during CPR. In the rats, pralidoxime significantly increased arterial pressure than saline (P = .044). The peak effect on arterial pressure was observed in the first minute. In a pig model of cardiac arrest, CPP during CPR was higher in the pralidoxime group than in the control group (P = .002). ROSC was attained in three animals (27.3%) in the control group and nine animals (81.8%) in the pralidoxime group (P = .010). Three animals (27.3%) in the control group and eight animals (72.2%) in the pralidoxime group survived the 6-hour period (P = .033). In conclusion, pralidoxime had a rapid onset of pressor effect. Pralidoxime administered during CPR led to significantly higher rates of ROSC and 6-hour survival by improving CPP in a pig model.
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Affiliation(s)
- Yong Hun Jung
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
- Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
| | - Hyoung Youn Lee
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Kyung Woon Jeung
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
- Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
| | - Byung Kook Lee
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
- Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
| | - Chun Song Youn
- Department of Emergency Medicine, Seoul St. Mary's Hospital, Seoul, Korea
| | - Seong Woo Yun
- Department of Emergency Medical Technology, Namseoul University, Cheonan, Korea
| | - Tag Heo
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
- Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
| | - Yong Il Min
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
- Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
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45
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O'Brien CE, Reyes M, Santos PT, Heitmiller SE, Kulikowicz E, Kudchadkar SR, Lee JK, Hunt EA, Koehler RC, Shaffner DH. Pilot Study to Compare the Use of End-Tidal Carbon Dioxide-Guided and Diastolic Blood Pressure-Guided Chest Compression Delivery in a Swine Model of Neonatal Asphyxial Cardiac Arrest. J Am Heart Assoc 2019; 7:e009728. [PMID: 30371318 PMCID: PMC6404892 DOI: 10.1161/jaha.118.009728] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Background The American Heart Association recommends use of physiologic feedback when available to optimize chest compression delivery. We compared hemodynamic parameters during cardiopulmonary resuscitation in which either end‐tidal carbon dioxide (ETCO2) or diastolic blood pressure (DBP) levels were used to guide chest compression delivery after asphyxial cardiac arrest. Methods and Results One‐ to 2‐week‐old swine underwent a 17‐minute asphyxial‐fibrillatory cardiac arrest followed by alternating 2‐minute periods of ETCO2‐guided and DBP‐guided chest compressions during 10 minutes of basic life support and 10 minutes of advanced life support. Ten animals underwent resuscitation. We found significant changes to ETCO2 and DBP levels within 30 s of switching chest compression delivery methods. The overall mean ETCO2 level was greater during ETCO2‐guided cardiopulmonary resuscitation (26.4±5.6 versus 22.5±5.2 mm Hg; P=0.003), whereas the overall mean DBP was greater during DBP‐guided cardiopulmonary resuscitation (13.9±2.3 versus 9.4±2.6 mm Hg; P=0.003). ETCO2‐guided chest compressions resulted in a faster compression rate (149±3 versus 120±5 compressions/min; P=0.0001) and a higher intracranial pressure (21.7±2.3 versus 16.0±1.1 mm Hg; P=0.002). DBP‐guided chest compressions were associated with a higher myocardial perfusion pressure (6.0±2.8 versus 2.4±3.2; P=0.02) and cerebral perfusion pressure (9.0±3.0 versus 5.5±4.3; P=0.047). Conclusions Using the ETCO2 or DBP level to optimize chest compression delivery results in physiologic changes that are method‐specific and occur within 30 s. Additional studies are needed to develop protocols for the use of these potentially conflicting physiologic targets to improve outcomes of prolonged cardiopulmonary resuscitation.
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Affiliation(s)
- Caitlin E O'Brien
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Michael Reyes
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Polan T Santos
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Sophia E Heitmiller
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Ewa Kulikowicz
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Sapna R Kudchadkar
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD.,2 Department of Pediatrics Johns Hopkins University School of Medicine Baltimore MD.,3 Department of Physical Medicine & Rehabilitation Johns Hopkins University School of Medicine Baltimore MD
| | - Jennifer K Lee
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Elizabeth A Hunt
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD.,2 Department of Pediatrics Johns Hopkins University School of Medicine Baltimore MD.,4 Division of Health Sciences Informatics Johns Hopkins University School of Medicine Baltimore MD
| | - Raymond C Koehler
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
| | - Donald H Shaffner
- 1 Department of Anesthesiology/Critical Care Medicine Johns Hopkins University School of Medicine Baltimore MD
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Park YJ, Hong KJ, Shin SD, Kim TY, Ro YS, Song KJ, Ryu HH. Worsened survival in the head-up tilt position cardiopulmonary resuscitation in a porcine cardiac arrest model. Clin Exp Emerg Med 2019; 6:250-256. [PMID: 31571441 PMCID: PMC6774013 DOI: 10.15441/ceem.18.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 09/16/2018] [Indexed: 11/23/2022] Open
Abstract
Objective Head elevation at an angle of 30° during cardiopulmonary resuscitation (CPR) was hemodynamically beneficial compared to supine position in a previous porcine cardiac arrest experimental study. However, survival benefit of head-up elevation during CPR has not been clarified. This study aimed to assess the effect of head-up tilt position during CPR on 24-hour survival in a porcine cardiac arrest experimental model. Methods This was a randomized experimental trial using female farm pigs (n=18, 42±3 kg) sedated, intubated, and paralyzed on a tilting surgical table. After surgical preparation, 15 minutes of untreated ventricular fibrillation was induced. Then, 6 minutes of basic life support was performed in a position randomly assigned to either head-up tilt at 30° or supine with a mechanical CPR device, LUCAS-2, and an impedance threshold device, followed by 20 minutes of advanced cardiac life support in the same position. Primary outcome was 24-hour survival, analyzed by Fisher exact test. Results In the 8 pigs from the head-up tilt position group, one showed return of spontaneous circulation (ROSC); all eight pigs expired within 24 hours. In the eight pigs from the supine position group, six had the ROSC; six pigs survived for 24 hours and two expired. The head-up position group showed lower 24-hour survival rate and lower ROSC rate than supine position group (P<0.01). Conclusion The use of head-up tilt position with 30 degrees during CPR showed lower 24-hour survival than the supine position.
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Affiliation(s)
- Yong Joo Park
- Department of Emergency Medicine, Gyeongsang National University Changwon Hospital, Gyeongsang National University School of Medicine, Changwon, Korea
| | - Ki Jeong Hong
- Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea
| | - Sang Do Shin
- Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea
| | - Tae Yun Kim
- Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Young Sun Ro
- Laboratory of Emergency Medical Services, Seoul National University Hospital Biomedical Research Institute, Seoul, Korea
| | - Kyoung Jun Song
- Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hyun Ho Ryu
- Department of Emergency Medicine, Chonnam National University School of Medicine, Gwangju, Korea
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47
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O'Brien CE, Santos PT, Reyes M, Adams S, Hopkins CD, Kulikowicz E, Hamrick JL, Hamrick JT, Lee JK, Kudchadkar SR, Hunt EA, Koehler RC, Shaffner DH. Association of diastolic blood pressure with survival during paediatric cardiopulmonary resuscitation. Resuscitation 2019; 143:50-56. [PMID: 31390531 DOI: 10.1016/j.resuscitation.2019.07.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/22/2019] [Accepted: 07/26/2019] [Indexed: 10/26/2022]
Abstract
AIM To examine the relationship between survival and diastolic blood pressure (DBP) throughout resuscitation from paediatric asphyxial cardiac arrest. METHODS Retrospective, secondary analysis of 200 swine resuscitations. Swine underwent asphyxial cardiac arrest and were resuscitated with predefined periods of basic and advanced life support (BLS and ALS, respectively). DBP was recorded every 30 s. Survival was defined as 20-min sustained return of spontaneous circulation (ROSC). RESULTS During BLS, DBP peaked between 1-3 min and was greater in survivors (20.0 [11.3, 33.3] mmHg) than in non-survivors (5.0 [1.0, 10.0] mmHg; p < 0.001). After this transient increase, the DBP in survivors progressively decreased but remained greater than that of non-survivors after 10 min of resuscitation (9.0 [6.0, 13.8] versus 3.0 [1.0, 6.8] mmHg; p < 0.001). During ALS, the magnitude of DBP change after the first adrenaline (epinephrine) administration was greater in survivors (22.0 [16.5, 36.5] mmHg) than in non-survivors (6.0 [2.0, 11.0] mmHg; p < 0.001). Survival rate was greater when DBP improved by ≥26 mmHg after the first dose of adrenaline (20/21; 95%) than when DBP improved by ≤10 mmHg (1/99; 1%). The magnitude of DBP change after the first adrenaline administration correlated with the timetoROSC (r = -0.54; p < 0.001). CONCLUSIONS Survival after asphyxial cardiac arrest is associated with a higher DBP throughout resuscitation, but the difference between survivors and non-survivors was reduced after prolonged BLS. During ALS, response to adrenaline administration correlates with survival and time to ROSC. If confirmed clinically, these findings may be useful for titrating adrenaline during resuscitation and prognosticating likelihood of ROSC. Institutional Protocol Numbers: SW14M223 and SW17M101.
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Affiliation(s)
- Caitlin E O'Brien
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Polan T Santos
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Michael Reyes
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Shawn Adams
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - C Danielle Hopkins
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Ewa Kulikowicz
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Jennifer L Hamrick
- Department of Anesthesiology, Rady Children's Hospital, 3020 Children's Way, San Diego, CA 92123 United States
| | - Justin T Hamrick
- Department of Anesthesiology, Rady Children's Hospital, 3020 Children's Way, San Diego, CA 92123 United States
| | - Jennifer K Lee
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Sapna R Kudchadkar
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States; Department of Pediatrics, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States; Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, 600 N Wolfe St, Baltimore, MD 21287 United States
| | - Elizabeth A Hunt
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States; Department of Pediatrics, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States; Division of Health Sciences Informatics, Johns Hopkins University School of Medicine, 2024 East Monument St. S 1-200, Baltimore, MD 21205 United States
| | - Raymond C Koehler
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States
| | - Donald H Shaffner
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States.
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Tiba MH, McCracken BM, Cummings BC, Colmenero CI, Rygalski CJ, Hsu CH, Sanderson TH, Nallamothu BK, Neumar RW, Ward KR. Use of resuscitative balloon occlusion of the aorta in a swine model of prolonged cardiac arrest. Resuscitation 2019; 140:106-112. [PMID: 31121206 DOI: 10.1016/j.resuscitation.2019.05.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 05/01/2019] [Accepted: 05/13/2019] [Indexed: 12/20/2022]
Abstract
AIM We examined the use of a Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) catheter during cardiopulmonary resuscitation (CPR) after cardiac arrest (CA) to assess its effect on haemodynamics such as coronary perfusion pressure (CPP), common carotid artery blood flow (CCA-flow) and end-tidal CO2 (PetCO2) which are associated with increased return of spontaneous circulation (ROSC). METHODS Six male swine were instrumented to measure CPP, CCA-Flow, and PetCO2. A 7Fr REBOA was advanced into zone-1 of the aorta through the femoral artery. Ventricular fibrillation was induced and untreated for 8 min. CPR (manual then mechanical) was initiated for 24 min. Continuous infusion of adrenaline (epinephrine) was started at minute-4 of CPR. The REBOA balloon was inflated at minute-16 for 3 min and then deflated/inflated every 3 min for 3 cycles. Animals were defibrillated up to 6 times after the final cycle. Animals achieving ROSC were monitored for 25 min. RESULTS Data showed significant differences between balloon deflation and inflation periods for CPP, CCA-Flow, and PetCO2 (p < 0.0001) with an average difference (SD) of 13.7 (2.28) mmHg, 15.5 (14.12) mL min-1 and -4 (2.76) mmHg respectively. Three animals achieved ROSC and had significantly higher mean CPP (54 vs. 18 mmHg), CCA-Flow (262 vs. 135 mL min-1) and PetCO2 (16 vs. 8 mmHg) (p < 0.0001) throughout inflation periods than No-ROSC animals. Aortic histology did not reveal any significant changes produced by balloon inflation. CONCLUSION REBOA significantly increased CPP and CCA-Flow in this model of prolonged CA. These increases may contribute to the ability to achieve ROSC.
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Affiliation(s)
- Mohamad Hakam Tiba
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Brendan M McCracken
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Brandon C Cummings
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Carmen I Colmenero
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Chandler J Rygalski
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Molecular and Integrative Physiology, United States.
| | - Cindy H Hsu
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States; University of Michigan, Department of Surgery.
| | - Thomas H Sanderson
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Molecular and Integrative Physiology, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Brahmajee K Nallamothu
- University of Michigan, Department of Internal Medicine, Division of Cardiology, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Robert W Neumar
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
| | - Kevin R Ward
- University of Michigan, Department of Emergency Medicine, United States; University of Michigan, Department of Biomedical Engineering, United States; University of Michigan, Department of Michigan Center for Integrative Research in Critical Care, United States.
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Jung YH, Ryu DH, Jeung KW, Na JY, Lee DH, Lee BK, Heo T, Min YI. Effect of pralidoxime on coronary perfusion pressure during cardiopulmonary resuscitation in a pig model. Clin Exp Emerg Med 2019; 6:204-211. [PMID: 31036784 PMCID: PMC6774006 DOI: 10.15441/ceem.18.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 06/22/2018] [Indexed: 11/23/2022] Open
Abstract
Objective Pralidoxime is widely used for the treatment of organophosphate poisoning. Multiple studies have reported its vasoconstrictive property, which may facilitate the restoration of spontaneous circulation (ROSC) after cardiac arrest by increasing the coronary perfusion pressure (CPP). 2,3-Butanedione monoxime, which belongs to the same oxime family, has been shown to facilitate ROSC by reducing left ventricular ischemic contracture. Because pralidoxime and 2,3-butanedione monoxime have several common mechanisms of action, both drugs may have similar effects on ischemic contracture. Thus, we investigated the effects of pralidoxime administration during cardiopulmonary resuscitation in a pig model with a focus on ischemic contracture and CPP. Methods After 14 minutes of untreated ventricular fibrillation, followed by 8 minutes of basic life support, 16 pigs randomly received either 80 mg/kg of pralidoxime (pralidoxime group) or an equivalent volume of saline (control group) during advanced cardiovascular life support (ACLS). Results Mixed-model analyses of left ventricular wall thickness and chamber area during ACLS revealed no significant group effects or group-time interactions, whereas a mixed-model analysis of the CPP during ACLS revealed a significant group effect (P=0.038) and group-time interaction (P<0.001). Post-hoc analyses revealed significant increases in CPP in the pralidoxime group, starting at 5 minutes after pralidoxime administration. No animal, except one in the pralidoxime group, achieved ROSC; thus, the rate of ROSC did not differ between the two groups. Conclusion In a pig model of cardiac arrest, pralidoxime administered during cardiopulmonary resuscitation did not reduce ischemic contracture; however, it significantly improved CPP.
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Affiliation(s)
- Yong Hun Jung
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Dong Hyun Ryu
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Kyung Woon Jeung
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Joo-Young Na
- Biomedical Research Institute, Chonnam National University Hospital, Gwangju, Korea
| | - Dong Hun Lee
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Byung Kook Lee
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Tag Heo
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
| | - Yong Il Min
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Korea
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50
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Koller AC, Salcido DD, Lawrence GL, Menegazzi JJ. Automated External Defibrillator Shock Advisement Discordance Among Multiple Electrocardiographic Rhythms and Devices: A Preliminary Report. PREHOSP EMERG CARE 2019; 23:740-745. [PMID: 30892980 DOI: 10.1080/10903127.2019.1586603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Background: The early use of automated external defibrillators (AEDs) can save lives by correcting lethal ventricular arrhythmias with minimal operator intervention. AED shock advisements also play a role in termination of resuscitation strategies. AED function is dependent on the accuracy of their shock advisement algorithms, which may differ between manufacturers. We sought to compare the shock advisement performance characteristics of several AEDs. Methods: We conducted a prospective, laboratory-based simulation study evaluating five commercially available AEDs from Cardiac Science, Defibtech, Medtronic, Philips, and Zoll. Shock advisement performance was evaluated for eight ECG rhythms {ventricular fibrillation (VF), ventricular tachycardia (VT), toursades de pointes (TdP), sinus rhythm (SR), atrial fibrillation (AF), atrial flutter (AFL), idioventricular rhythm (IDV), and asystole} that were generated using the SimMan Classic Manikin and the LLEAP Simulator software (Laerdal Medical Inc., Norway). We recorded shock advisement decisions for each of the ECG rhythms three times per device. Shock advisements were coded as discordant if a shock was advised for a non-shockable rhythm or not advised for a shockable rhythm. Results: We analyzed 330 rhythm trials in total (66 per device), finding 28 (8.5%) discordant shock advisements overall. Discordance ranged from 6% to 11% among the five AED models. VF rhythm variants were the most frequent (43%) source of discordant advisements. No shocks were advised for any of the sinus rhythms, AFL, AF with QRS > 40, IDV, or asystole. Conclusions: Discordant shock advisements were observed for each AED and varied between manufacturers, most often involving VF. There may be implications for termination of resuscitation decision making.
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