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Benoit JL, Hogan AN, Connelly KM, McMullan JT. Intra-arrest blood-based biomarkers for out-of-hospital cardiac arrest: A scoping review. J Am Coll Emerg Physicians Open 2024; 5:e13131. [PMID: 38500598 PMCID: PMC10945310 DOI: 10.1002/emp2.13131] [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: 10/30/2023] [Revised: 01/29/2024] [Accepted: 02/02/2024] [Indexed: 03/20/2024] Open
Abstract
Objective Blood-based biomarkers play a central role in the diagnosis and treatment of critically ill patients, yet none are routinely measured during the intra-arrest phase of out-of-hospital cardiac arrest (OHCA). Our objective was to describe methodological aspects, sources of evidence, and gaps in research surrounding intra-arrest blood-based biomarkers for OHCA. Methods We used scoping review methodology to summarize existing literature. The protocol was designed a priori following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Extension for Scoping Reviews. Inclusion criteria were peer-reviewed scientific studies on OHCA patients with at least one blood draw intra-arrest. We excluded in-hospital cardiac arrest and animal studies. There were no language, date, or study design exclusions. We conducted an electronic literature search using PubMed and Embase and hand-searched secondary literature. Data charting/synthesis were performed in duplicate using standardized data extraction templates. Results The search strategy identified 11,834 records, with 118 studies evaluating 105 blood-based biomarkers included. Only eight studies (7%) had complete reporting. The median number of studies per biomarker was 2 (interquartile range 1-4). Most studies were conducted in Asia (63 studies, 53%). Only 22 studies (19%) had blood samples collected in the prehospital setting, and only six studies (5%) had samples collected by paramedics. Pediatric patients were included in only three studies (3%). Out of eight predefined biomarker categories of use, only two were routinely assessed: prognostic (97/105, 92%) and diagnostic (61/105, 58%). Conclusions Despite a large body of literature on intra-arrest blood-based biomarkers for OHCA, gaps in methodology and knowledge are widespread.
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Affiliation(s)
- Justin L. Benoit
- Department of Emergency MedicineUniversity of Cincinnati College of MedicineCincinnatiOhioUSA
| | - Andrew N. Hogan
- Department of Emergency MedicineUT Southwestern Medical CenterDallasTexasUSA
| | | | - Jason T. McMullan
- Department of Emergency MedicineUniversity of Cincinnati College of MedicineCincinnatiOhioUSA
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Rampersaud VM, Barberis T, Thode HC, Singer AJ. The role of point-of-care testing in cardiac arrest patients. Am J Emerg Med 2023; 74:32-35. [PMID: 37748267 DOI: 10.1016/j.ajem.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 08/29/2023] [Accepted: 09/03/2023] [Indexed: 09/27/2023] Open
Abstract
BACKGROUND Point-of-care testing (POCT) provides real time information to the clinical team, leading to early diagnosis and treatment. Whether POCT plays a role in improving outcomes in patients with out of hospital cardiac arrest (OHCA) remains unknown. The objective of this study was to describe use of POCT in OHCA and to explore its association with outcomes. METHODS We conducted a retrospective chart review on patients transferred by emergency medical services (EMS) to the ED for out-of-hospital cardiac arrest (OHCA) in 2019. Data collected from patient charts included baseline information, the Utstein criteria for cardiac arrest, whether POCT was used, whether POCT was abnormal, and what treatment was given, if any, as a result of the abnormal POCT. Outcomes included return of spontaneous circulation (ROSC) and survival to hospital discharge. Outcomes in patients with and without POCT were compared using chi-square and t-tests. RESULTS There were 119 study patients. Their mean (SD) age was 65 (18) years and 65% were male. Cardiac arrest was witnessed in 48% and initial rhythm was asystole in 66%. The rates of ROSC and survival were 22.7% (95%CI, 16.1-31.1) and 3.4% (95%CI, 1.3-8.3). POCT was used in 66 patients (55.4%; 95%CI, 46.5-64.1) all of whom had at least one abnormality. The results of POCT led to administration of a therapy in 60 patients (91.0%; 95%CI, 81.6-95.8). The rates of ROSC in patients with and without POCT were 22.6% vs 22.7% respectively. The rates of survival to discharge in patients with and without POCT were 0% vs 3.8% respectively. CONCLUSIONS POCT is commonly used in the ED for patients with OHCA and its results often lead to changes in therapies. However, use of POCT was not associated with ROSC or survival to discharge.
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Affiliation(s)
- Vishnu M Rampersaud
- Department of Emergency Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY 11794, United States of America
| | - Trinity Barberis
- Department of Emergency Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY 11794, United States of America
| | - Henry C Thode
- Department of Emergency Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY 11794, United States of America
| | - Adam J Singer
- Department of Emergency Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY 11794, United States of America.
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Abramson TM, Bosson N, Whitfield D, Gausche-Hill M, Niemann JT. Elevated prehospital point-of-care glucose is associated with worse neurologic outcome after out-of-hospital cardiac arrest. Resusc Plus 2022; 9:100204. [PMID: 35141573 PMCID: PMC8814821 DOI: 10.1016/j.resplu.2022.100204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/16/2021] [Accepted: 01/08/2022] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVES Hyperglycemia is associated with poor outcomes in critically-ill patients. This has implications for prognostication of patients with out-of-hospital cardiac arrest (OHCA) and for post-resuscitation care. We assessed the association of hyperglycemia, on field point-of-care (POC) testing, with survival and neurologic outcome in patients with return of spontaneous circulation (ROSC) after OHCA. METHODS This was a retrospective analysis of data in a regional cardiac care system from April 2011 through December 2017 of adult patients with OHCA and ROSC who had a field POC glucose. Patients were excluded if they were hypoglycemic (glucose <60 mg/dl) or received empiric dextrose. We compared hyperglycemic (glucose >250 mg/dL) with euglycemic (glucose 60-250 mg/dL) patients. Primary outcome was survival to hospital discharge (SHD). Secondary outcome was survival with good neurologic outcome (cerebral performance category 1 or 2 at discharge). We determined the adjusted odds ratios (AORs) for SHD and survival with good neurologic outcome. RESULTS Of 9008 patients with OHCA and ROSC, 6995 patients were included; 1941 (28%) were hyperglycemic and 5054 (72%) were euglycemic. Hyperglycemic patients were more likely to be female, of non-White race, and have an initial non-shockable rhythm compared to euglycemic patients (p < 0.0001 for all). Hyperglycemic patients were less likely to have SHD compared to euglycemic survivors, 24.4% vs 32.9%, risk difference (RD) -8.5% (95 %CI -10.8%, -6.2%), p < 0.0001. Hyperglycemic survivors were also less likely to have good neurologic outcome compared to euglycemic survivors, 57.0% vs 64.6%, RD -7.6% (95 %CI -12.9%, -2.4%), p = 0.004. The AOR for SHD was 0.72 (95 %CI 0.62, 0.85), p < 0.0001 and for good neurologic outcome, 0.70 (95 %CI 0.57, 0.86), p = 0.0005. CONCLUSION In patients with OHCA, hyperglycemia on field POC glucose was associated with lower survival and worse neurologic outcome.
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Affiliation(s)
- Tiffany M. Abramson
- Keck School of Medicine of the University of Southern California, Department of Emergency Medicine, Division of Emergency Medical Services, United States
| | - Nichole Bosson
- Los Angeles County Emergency Medical Services Agency, United States
- Harbor-UCLA Medical Center and the Lundquist Research Institute at Harbor-UCLA, United States
- The David Geffen School of Medicine at UCLA, United States
| | - Denise Whitfield
- Los Angeles County Emergency Medical Services Agency, United States
- Harbor-UCLA Medical Center and the Lundquist Research Institute at Harbor-UCLA, United States
- The David Geffen School of Medicine at UCLA, United States
| | - Marianne Gausche-Hill
- Los Angeles County Emergency Medical Services Agency, United States
- Harbor-UCLA Medical Center and the Lundquist Research Institute at Harbor-UCLA, United States
- The David Geffen School of Medicine at UCLA, United States
| | - James T. Niemann
- Harbor-UCLA Medical Center and the Lundquist Research Institute at Harbor-UCLA, United States
- The David Geffen School of Medicine at UCLA, United States
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Bemtgen X, Rilinger J, Jäckel M, Zotzmann V, Supady A, Benk C, Bode C, Wengenmayer T, Lother A, Staudacher DL. Admission blood glucose level and outcome in patients requiring venoarterial extracorporeal membrane oxygenation. Clin Res Cardiol 2021; 110:1484-1492. [PMID: 33944987 PMCID: PMC8405505 DOI: 10.1007/s00392-021-01862-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/19/2021] [Indexed: 11/26/2022]
Abstract
Background Patients with cardiogenic shock or cardiac arrest undergoing venoarterial extracorporeal membrane oxygenation (V-A ECMO) frequently present with blood glucose levels out of normal range. The clinical relevance of such findings in the context of V-A ECMO is unknown. We therefore investigated the prognostic relevance of blood glucose at time of cannulation for V-A ECMO. Methods We conducted a single-center retrospective registry study. All patients receiving V-A ECMO from October 2010 to January 2020 were included if blood glucose level at time of cannulation were documented. Patients were divided in five groups according to the initial blood glucose level ranging from hypoglycemic (< 80 mg/dl), normoglycemic (80–140 mg/dl), to mild (141-240 mg/dl), moderate (241–400 mg/dl), and severe (> 400 mg/dl) hyperglycemia, respectively. Clinical presentation, arterial blood gas analysis, and survival were compared between the groups. Results 392 patients met inclusion criteria. Median age was 62 years (51.5–70.0), SAPS II at admission was 54 (43.5–63.0), and 108/392 (27.6%) were female. 131/392 were discharged alive (hospital survival 33.4%). At time of cannulation, survivors had higher pH, hemoglobin, calcium, bicarbonate but lower potassium and lactate levels compared to non-survivors (all p < 0.01). Outcome of patients diagnosed with particularly high (> 400 mg/dl) and low (< 80 mg/dl) blood glucose at time of V-A ECMO cannulation, respectively, was worse compared to patients with normoglycemic, mildly or moderately elevated values (p = 0.02). Glucose was independently associated with poor outcome after adjustment for other predictors of survival and persisted in all investigated subgroups. Conclusion Arterial blood glucose at time of V-A ECMO cannulation predicts in-hospital survival of patients with cardiac shock or after ECPR. Whether dysglycemia represents a potential therapeutic target requires further evaluation in prospective studies. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s00392-021-01862-7.
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Affiliation(s)
- Xavier Bemtgen
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany.
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany.
| | - Jonathan Rilinger
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Markus Jäckel
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Viviane Zotzmann
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Alexander Supady
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Christoph Benk
- Department of Cardiovascular Surgery (University Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Christoph Bode
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Tobias Wengenmayer
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Achim Lother
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
| | - Dawid L Staudacher
- Department of Cardiology and Angiology I (Heart Center Freiburg-Bad Krozingen), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Hugstetterstrasse 55, 79106, Freiburg, Germany
- Department of Medicine III (Interdisciplinary Medical Intensive Care), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Freiburg, Germany
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