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Ko BS, Kim YJ, Han KS, Jo YH, Shin J, Park I, Kang H, Lim TH, Hwang SO, Kim WY. Association between the number of prehospital defibrillation attempts and a sustained return of spontaneous circulation: a retrospective, multicentre, registry-based study. Emerg Med J 2023; 40:424-430. [PMID: 37024298 DOI: 10.1136/emermed-2021-212091] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 03/25/2023] [Indexed: 04/08/2023]
Abstract
BACKGROUND Currently, there is no consensus on the number of defibrillation attempts that should be made before transfer to a hospital in patients with out-of-hospital cardiac arrest (OHCA). This study aimed to evaluate the association between the number of defibrillations and a sustained prehospital return of spontaneous circulation (ROSC). METHODS A retrospective analysis of a multicentre, prospectively collected, registry-based study in Republic of Korea was conducted for OHCA patients with prehospital defibrillation. The primary outcome was sustained prehospital ROSC, and the secondary outcome was a good neurological outcome at hospital discharge, defined as Cerebral Performance Category score 1 or 2. Cumulative incidence of sustained prehospital ROSC and good neurological outcome according to number of defibrillations were examined. Multivariable logistic regression analysis was used to examine whether the number of defibrillations was independently associated with the outcomes. RESULTS Excluding 172 patients with missing data, a total of 1983 OHCA patients who received prehospital defibrillation were included. The median time from arrest to first defibrillation was 10 (IQR 7-15) min. The numbers of patients with sustained prehospital ROSC and good neurological outcome were 738 (37%) and 549 (28%), respectively. Sustained ROSC rates decreased as the number of defibrillation attempts increased from the first to the sixth (16%, 9%, 5%, 3%, 2% and 1%, respectively). The cumulative sustained ROSC rate, and good neurological outcome rate from initial defibrillation to sixth defibrillation were 16%, 25%, 30%, 34%, 36%, 36% and 11%, 18%, 22%, 25%, 26%, 27%, respectively. With adjustment for clinical characteristics and time to defibrillation, a higher number of defibrillations was independently associated with a lower chance of a sustained ROSC (OR 0.81, 95% CI 0.76 to 0.86) and a lower chance of good neurological outcome (OR 0.86, 95% CI 0.80 to 0.92). CONCLUSIONS We observed no significant increase in ROSC after five defibrillations, and no absolute increase in ROSC after seven defibrillations. These data provide a starting point for determination of the optimal defibrillation strategy prior to consideration for prehospital extracorporeal cardiopulmonary resuscitation (ECPR) or conveyance to a hospital with an ECPR capability. TRIAL REGISTRATION NUMBER NCT03222999.
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Affiliation(s)
- Byuk Sung Ko
- Department of Emergency Medicine, Hanyang University College of Medicine, Seongdong-gu, The Republic of Korea
| | - Youn-Jung Kim
- Department of Emergency Medicine, Asan Medical Center, Songpa-gu, The Republic of Korea
| | - Kap Su Han
- Emergency Medicine, Korea University College of Medicine and School of Medicine, Seoul, The Republic of Korea
| | - You Hwan Jo
- Emergency Medicine, Seoul National University Bundang Hospital, Seongnam, The Republic of Korea
| | - JongHwan Shin
- Emergency Medicine, Seoul National University College of Medicine, Seoul, The Republic of Korea
| | - Incheol Park
- Department of Emergency Medicine, Yonsei University College of Medicine, Seodaemun-gu, The Republic of Korea
| | - Hyunggoo Kang
- Department of Emergency Medicine, Hanyang University College of Medicine, Seongdong-gu, The Republic of Korea
| | - Tae Ho Lim
- Department of Emergency Medicine, Hanyang University College of Medicine, Seongdong-gu, The Republic of Korea
| | - S O Hwang
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, The Republic of Korea
| | - Won Young Kim
- Department of Emergency Medicine, Asan Medical Center, Songpa-gu, The Republic of Korea
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Beekman R, Crawford A, Mazurek MH, Prabhat AM, Chavva IR, Parasuram N, Kim N, Kim JA, Petersen N, de Havenon A, Khosla A, Honiden S, Miller PE, Wira C, Daley J, Payabvash S, Greer DM, Gilmore EJ, Taylor Kimberly W, Sheth KN. Bedside monitoring of hypoxic ischemic brain injury using low-field, portable brain magnetic resonance imaging after cardiac arrest. Resuscitation 2022; 176:150-158. [PMID: 35562094 PMCID: PMC9746653 DOI: 10.1016/j.resuscitation.2022.05.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/25/2022] [Accepted: 05/03/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Assessment of brain injury severity is critically important after survival from cardiac arrest (CA). Recent advances in low-field MRI technology have permitted the acquisition of clinically useful bedside brain imaging. Our objective was to deploy a novel approach for evaluating brain injury after CA in critically ill patients at high risk for adverse neurological outcome. METHODS This retrospective, single center study involved review of all consecutive portable MRIs performed as part of clinical care for CA patients between September 2020 and January 2022. Portable MR images were retrospectively reviewed by a blinded board-certified neuroradiologist (S.P.). Fluid-inversion recovery (FLAIR) signal intensities were measured in select regions of interest. RESULTS We performed 22 low-field MRI examinations in 19 patients resuscitated from CA (68.4% male, mean [standard deviation] age, 51.8 [13.1] years). Twelve patients (63.2%) had findings consistent with HIBI on conventional neuroimaging radiology report. Low-field MRI detected findings consistent with HIBI in all of these patients. Low-field MRI was acquired at a median (interquartile range) of 78 (40-136) hours post-arrest. Quantitatively, we measured FLAIR signal intensity in three regions of interest, which were higher amongst patients with confirmed HIBI. Low-field MRI was completed in all patients without disruption of intensive care unit equipment monitoring and no safety events occurred. CONCLUSION In a critically ill CA population in whom MR imaging is often not feasible, low-field MRI can be deployed at the bedside to identify HIBI. Low-field MRI provides an opportunity to evaluate the time-dependent nature of MRI findings in CA survivors.
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Affiliation(s)
- Rachel Beekman
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA.
| | - Anna Crawford
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Mercy H Mazurek
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Anjali M Prabhat
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Isha R Chavva
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Nethra Parasuram
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Noah Kim
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Jennifer A Kim
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Nils Petersen
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Adam de Havenon
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Akhil Khosla
- Department of Pulmonary Critical Care, Yale School of Medicine, New Haven, CT, USA
| | - Shyoko Honiden
- Department of Pulmonary Critical Care, Yale School of Medicine, New Haven, CT, USA
| | - P Elliott Miller
- Section of Cardiology, Yale School of Medicine, New Haven, CT, USA
| | - Charles Wira
- Department of Emergency Medicine, Yale School of Medicine, New Haven, CT, USA
| | - James Daley
- Department of Emergency Medicine, Yale School of Medicine, New Haven, CT, USA
| | | | - David M Greer
- Department of Neurology, Boston University Medical Center, Boston, MA, USA
| | - Emily J Gilmore
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - W Taylor Kimberly
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
| | - Kevin N Sheth
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
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Jung YH, Jeung KW, Lee HY, Lee BK, Lee DH, Shin J, Lee HJ, Cho IS, Kim YM. Rearrest during hospitalisation in adult comatose out-of-hospital cardiac arrest patients: Risk factors and prognostic impact, and predictors of favourable long-term outcomes. Resuscitation 2021; 170:150-159. [PMID: 34871759 DOI: 10.1016/j.resuscitation.2021.11.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/04/2021] [Accepted: 11/27/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Rearrest occurs commonly after initial resuscitation following out-of-hospital cardiac arrest (OHCA). We determined (1) the predictors of rearrest during hospitalisation that can be identified in the hours immediately after OHCA, (2) the association between rearrest and favourable long-term outcomes, and (3) the predictors of favourable long-term outcomes in rearrest patients. METHODS Conditional multivariable logistic regression analyses were performed using the Korean Hypothermia Network prospective registry data, which included details of adult OHCA patients treated with targeted temperature management at 22 teaching hospitals in South Korea. RESULTS Among the 1,233 patients, 260 (21.1%) experienced rearrest. Of the 192 patients resuscitated from first rearrest, 33 (17.2%) achieved 6-month favourable outcomes. Arrhythmia, heart failure, ST-segment elevation, lower initial Glasgow coma scale (GCS) motor score, higher initial lactate level, and antiarrhythmic drug use within 1 h were independently associated with rearrest. Higher lactate level and antiarrhythmic drug use were associated with shockable first rearrest, while arrhythmia, heart failure, ST-segment elevation, and lower GCS motor score were associated with non-shockable first rearrest. Rearrest was independently associated with a lower likelihood of 6-month favourable outcomes (P = 0.003). Initial shockable rhythm after OHCA, absence of diabetes, shorter cumulative time to restoration of spontaneous circulation, coronary angiography, and hypophosphataemia within 7 d were independently associated with 6-month favourable outcomes in the patients resuscitated from first rearrest. CONCLUSIONS Rearrest during hospitalisation after OHCA was inversely associated with 6-month favourable outcomes. We identified several risk factors for rearrest and prognostic factors for patients resuscitated from first rearrest.
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Affiliation(s)
- Yong Hun Jung
- Department of Emergency Medicine, Chonnam National University Hospital, 42 Jebong-ro, Dong-gu, Gwangju, Republic of Korea; Department of Emergency Medicine, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, Republic of Korea
| | - Kyung Woon Jeung
- Department of Emergency Medicine, Chonnam National University Hospital, 42 Jebong-ro, Dong-gu, Gwangju, Republic of Korea; Department of Emergency Medicine, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, Republic of Korea.
| | - Hyoung Youn Lee
- Trauma Centre, Chonnam National University Hospital, 42 Jebong-ro, Dong-gu, Gwangju, Republic of Korea
| | - Byung Kook Lee
- Department of Emergency Medicine, Chonnam National University Hospital, 42 Jebong-ro, Dong-gu, Gwangju, Republic of Korea; Department of Emergency Medicine, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, Republic of Korea
| | - Dong Hun Lee
- Department of Emergency Medicine, Chonnam National University Hospital, 42 Jebong-ro, Dong-gu, Gwangju, Republic of Korea
| | - Jonghwan Shin
- Department of Emergency Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, Republic of Korea; Department of Emergency Medicine, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul, Republic of Korea
| | - Hui Jai Lee
- Department of Emergency Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, Republic of Korea
| | - In Soo Cho
- Department of Emergency Medicine, Hanil General Hospital, 308 Uicheon-ro, Dobong-gu, Seoul, Republic of Korea
| | - Young-Min Kim
- Department of Emergency Medicine, College of Medicine, The Catholic University of Korea, 222 Banpodae-ro, Seocho-gu, Seoul, Republic of Korea
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