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Tanaka C, Tagami T, Nakayama F, Kuno M, Kitamura N, Yasunaga H, Aso S, Takeda M, Unemoto K. Changes Over 7 Years in Temperature Control Treatment and Outcomes After Out-of-Hospital Cardiac Arrest: A Japanese, Multicenter Cohort Study. Ther Hypothermia Temp Manag 2024. [PMID: 38386985 DOI: 10.1089/ther.2023.0087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024] Open
Abstract
Temperature control is the only neuroprotective intervention suggested in current international guidelines for patients with return of spontaneous circulation after cardiac arrest, but the prevalence of temperature control therapy, temperature settings, and outcomes have not been clearly reported. We aimed to investigate changes over 7 years in provision of temperature control treatment among out-of-hospital cardiac arrest (OHCA) patients in Kanto region, Japan. Data of all adult OHCA patients who survived for more than 24 hours in the prospective cohort studies, SOS-KANTO 2012 (conducted from 2012 to 2013) and SOS-KANTO 2017 (conducted from 2019 to 2021), in Japan were included. We compared the prevalence of temperature control and the proportion of mild (≥35°C) and moderate (from 32°C to 34.9°C) hypothermia between the two study groups. We also performed a Cox regression analysis to evaluate 30-day mortality adjusted by temperature control therapy (none, moderate hypothermia, or mild hypothermia), age, sex, past medical history, witnessed status, bystander cardiopulmonary resuscitation, initial rhythm, location of arrest, and dataset (SOS-KANTO 2012 or 2017). We analyzed data from 2936 patients (n = 1710, SOS-KANTO 2012; n = 1226, SOS-KANTO 2017). Use of temperature control was lower (45.3% vs. 41.4%, p = 0.04), moderate hypothermia was lower (p < 0.01), and mild hypothermia was higher (p < 0.01) in SOS-KANTO 2017 compared with SOS-KANTO 2012. The survival rate was significantly higher for patients with mild (p < 0.01) and moderate (p < 0.01) hypothermia compared with those who did not receive temperature control therapy. Overall, the incidence of moderate hypothermia decreased and that of mild hypothermia increased and the use of temperature control decreased between the two studies conducted 7 years apart in the Kanto area, Japan. Temperature control management might improve survival of patients with OHCA.
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Affiliation(s)
- Chie Tanaka
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Japan
| | - Takashi Tagami
- Department of Emergency and Critical Care Medicine, Nippon Medical School Musashikosugi Hospital, Kawasaki, Japan
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Bunkyo, Japan
| | - Fumihiko Nakayama
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Japan
| | - Masamune Kuno
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Japan
| | - Nobuya Kitamura
- Department of Emergency and Critical Care Medicine, Kimitsu Chuo Hospital, Chiba, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Bunkyo, Japan
| | - Shotaro Aso
- Department of Real-World Evidence, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Munekazu Takeda
- Department of Critical Care and Emergency Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | - Kyoko Unemoto
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Japan
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Tanaka C, Tagami T, Kaneko J, Kitamura N, Yasunaga H, Aso S, Takeda M, Kuno M. Impact of the COVID-19 pandemic on prehospital and in-hospital treatment and outcomes of patients after out-of-hospital cardiac arrest: a Japanese multicenter cohort study. BMC Emerg Med 2024; 24:12. [PMID: 38191311 PMCID: PMC10775511 DOI: 10.1186/s12873-024-00929-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 01/02/2024] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND In the chain of survival for Out-of-hospital cardiac arrest (OHCA), each component of care contributes to improve the prognosis of the patient with OHCA. The SARS-CoV-2 (COVID-19) pandemic potentially affected each part of care in the chain of survival. The aim of this study was to compare prehospital care, in-hospital treatment, and outcomes among OHCA patients before and after the COVID-19 pandemic. METHODS We analyzed data from a multicenter prospective study in Kanto area, Japan, named SOS-KANTO 2017. We enrolled patients who registered during the pre-pandemic period (September 2019 to December 2019) and the post-pandemic period (June 2020 to March 2021). The main outcome measures were 30-day mortality and the proportion of favorable outcomes at 1 month, and secondary outcome measures were changes in prehospital and in-hospital treatments between the pre- and post-pandemic periods. RESULTS There were 2015 patients in the pre-pandemic group, and 5023 in the post-pandemic group. The proportion of advanced airway management by emergency medical service (EMS) increased (p < 0.01), and EMS call-to-hospital time was prolonged (p < 0.01) in the post- versus pre-pandemic group. There were no differences between the groups in defibrillation, extracorporeal membrane oxygenation, or temperature control therapy (p = 0.43, p = 0.14, and p = 0.16, respectively). Survival rate at 1 month and favorable outcome rate at 1 month were lower (p = 0.01 and p < 0.01, respectively) in the post- versus pre-pandemic group. CONCLUSION Survival rate and favorable outcome rate 1 month after return of spontaneous circulation of OHCA worsened, EMS response time was prolonged, and advanced airway management by EMS increased in the post- versus pre-pandemic group; however, most prehospital and in-hospital management did not change between pre- and post-COVID-19 pandemic.
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Affiliation(s)
- Chie Tanaka
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Tokyo, 2068512, Japan
| | - Takashi Tagami
- Department of Emergency and Critical Care Medicine, Nippon Medical School Musashikosugi Hospital, 1-396 Kosugimachi, Nakahara-ku, Kawasaki, Kanagawa, 211-8533, Japan.
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Bunkyo, Tokyo, 1138654, Japan.
| | - Junya Kaneko
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Tokyo, 2068512, Japan
| | - Nobuya Kitamura
- Department of Emergency and Critical Care Medicine, Kimitsu Chuo Hospital, Kimitsu, Chiba, 2928535, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Bunkyo, Tokyo, 1138654, Japan
| | - Shotaro Aso
- Department of Real-world Evidence, Graduate School of Medicine, The University of Tokyo, Tokyo, 1138654, Japan
| | - Munekazu Takeda
- Department of Critical Care and Emergency Medicine, Tokyo Women's Medical University, Tokyo, 1628666, Japan
| | - Masamune Kuno
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, Tama-shi, Tokyo, 2068512, Japan
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Abstract
OBJECTIVES Clinical providers have access to a number of pharmacologic agents during in-hospital cardiac arrest. Few studies have explored medication administration patterns during in-hospital cardiac arrest. Herein, we examine trends in use of pharmacologic interventions during in-hospital cardiac arrest both over time and with respect to the American Heart Association Advanced Cardiac Life Support guideline updates. DESIGN Observational cohort study. SETTING Hospitals contributing data to the American Heart Association Get With The Guidelines-Resuscitation database between 2001 and 2016. PATIENTS Adult in-hospital cardiac arrest patients. INTERVENTIONS The percentage of patients receiving epinephrine, vasopressin, amiodarone, lidocaine, atropine, bicarbonate, calcium, magnesium, and dextrose each year were calculated in patients with shockable and nonshockable initial rhythms. Hierarchical multivariable logistic regression was used to determine the annual adjusted odds of medication administration. An interrupted time series analysis was performed to assess change in atropine use after the 2010 American Heart Association guideline update. MEASUREMENTS AND MAIN RESULTS A total of 268,031 index in-hospital cardiac arrests were included. As compared to 2001, the adjusted odds ratio of receiving each medication in 2016 were epinephrine (adjusted odds ratio, 1.5; 95% CI, 1.3-1.8), vasopressin (adjusted odds ratio, 1.5; 95% CI, 1.1-2.1), amiodarone (adjusted odds ratio, 3.4; 95% CI, 2.9-4.0), lidocaine (adjusted odds ratio, 0.2; 95% CI, 0.2-0.2), atropine (adjusted odds ratio, 0.07; 95% CI, 0.06-0.08), bicarbonate (adjusted odds ratio, 2.0; 95% CI, 1.8-2.3), calcium (adjusted odds ratio, 2.0; 95% CI, 1.7-2.3), magnesium (adjusted odds ratio, 2.2; 95% CI, 1.9-2.7; p < 0.0001), and dextrose (adjusted odds ratio, 2.8; 95% CI, 2.3-3.4). Following the 2010 American Heart Association guideline update, there was a downward step change in the intercept and slope change in atropine use (p < 0.0001). CONCLUSIONS Prescribing patterns during in-hospital cardiac arrest have changed significantly over time. Changes to American Heart Association Advanced Cardiac Life Support guidelines have had a rapid and substantial effect on the use of a number of commonly used in-hospital cardiac arrest medications.
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Amagasa S, Kashiura M, Moriya T, Uematsu S, Shimizu N, Sakurai A, Kitamura N, Tagami T, Takeda M, Miyake Y. Relationship between institutional case volume and one-month survival among cases of paediatric out-of-hospital cardiac arrest. Resuscitation 2019; 137:161-167. [PMID: 30802557 DOI: 10.1016/j.resuscitation.2019.02.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 02/11/2019] [Accepted: 02/12/2019] [Indexed: 10/27/2022]
Abstract
AIM To evaluate volume-outcome relationship in paediatric out-of-hospital cardiac arrest (OHCA). METHODS This post hoc analysis of the SOS-KANTO 2012 study included data of paediatric OHCA patients <18 years old who were transported to the 53 emergency hospitals in the Kanto region of Japan between January 2012 and March 2013. Based on the paediatric OHCA case volume, the higher one-third of institutions (more than 10 paediatric OHCA cases during the study period) were defined as high-volume centres, the middle one-third institutions (6-10 cases) were defined as middle-volume centres and the lower one-third of institutions (less than 6 cases) were defined as low-volume centres. The primary outcome measurement was survival at 1 month after cardiac arrest. Multivariate logistic regression analysis for 1-month survival and paediatric OHCA case volume were performed after adjusting for multiple propensity scores. To estimate the multiple propensity score, we fitted a multinomial logistic regression model, which fell into one of the three groups as patient demographics and prehospital factors. RESULTS Among the eligible 282 children, 112, 82 and 88 patients were transported to the low-volume (36 institutions), middle-volume (11 institutions) and high-volume (6 institutions) centres, respectively. Transport to a high-volume centre was significantly associated with a better 1-month survival after adjusting for multiple propensity score (adjusted odds ratio, 2.55; 95% confidence interval, 1.05-6.17). CONCLUSION There may be a relationship between institutional case volume and survival outcomes in paediatric OHCA.
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Affiliation(s)
- Shunsuke Amagasa
- Department of Emergency and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, 1-847, Amanuma-cho, Omiya-ku, Saitama City, Saitama, 330-8503, Japan; Division of Emergency and Transport Services, National Center for Child Health and Development, 2-10-1, Okura, Setagaya-ku, Tokyo, 157-8535, Japan.
| | - Masahiro Kashiura
- Department of Emergency and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, 1-847, Amanuma-cho, Omiya-ku, Saitama City, Saitama, 330-8503, Japan
| | - Takashi Moriya
- Department of Emergency and Critical Care Medicine, Saitama Medical Center, Jichi Medical University, 1-847, Amanuma-cho, Omiya-ku, Saitama City, Saitama, 330-8503, Japan
| | - Satoko Uematsu
- Division of Emergency and Transport Services, National Center for Child Health and Development, 2-10-1, Okura, Setagaya-ku, Tokyo, 157-8535, Japan
| | - Naoki Shimizu
- Department of Critical Care and Emergency Medicine, Tokyo Metropolitan Children's Medical Center, 2-8-29, Musashidai, Fuchu, Tokyo, 183-8561, Japan
| | - Atsushi Sakurai
- Division of Emergency and Critical Care Medicine, Department of Acute Medicine, Nihon University School of Medicine, 30-1, Oyagutikamichou, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Nobuya Kitamura
- Department of Emergency and Critical Care Medicine, Kimitsu Chuo Hospital, 1010, Sakurai, Kisarazushi, Chiba, 292-8535, Japan
| | - Takashi Tagami
- Department of Emergency and Critical Care Medicine, Nippon Medical School Tama Nagayama Hospital, 1-7-1, Nagayama, Tama-shi, Tokyo, 206-8512, Japan
| | - Munekazu Takeda
- Department of Critical Care and Emergency Medicine, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Yasufumi Miyake
- Department of Emergency Medicine, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-Ku, Tokyo, 173-8606, Japan
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Early Lactate Clearance Is Associated With Improved Outcomes in Patients With Postcardiac Arrest Syndrome: A Prospective, Multicenter Observational Study (SOS-KANTO 2012 Study). Crit Care Med 2017; 45:e559-e566. [PMID: 28328649 DOI: 10.1097/ccm.0000000000002307] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVES To determine whether early lactate reduction is associated with improved survival and good neurologic outcome in patients with out-of-hospital cardiac arrest. DESIGN Ad hoc data analysis of a prospective, multicenter observational study. SETTING Out-of-hospital cardiac arrest patients at 67 emergency hospitals in Kanto, Japan between January 2012 and March 2013. PATIENTS Adult patients with out-of-hospital cardiac arrest admitted to the hospital after successful resuscitation were identified. INTERVENTIONS Blood lactate concentrations were measured at hospital admission and 6 h after hospital admission. Early lactate clearance was defined as the percent change in lactate level 6 h after a baseline measurement. MEASUREMENTS AND MAIN RESULTS The 543 patients (mean age, 65 ± 16 yr; 72.6% male) had a mean lactate clearance of 42.4% ± 53.7%. Overall 30-day survival and good neurologic outcome were 47.1% and 27.4%, respectively. The survival proportion increased with increasing lactate clearance (quartile 1, 29.4%; quartile 2, 42.6%; quartile 3, 51.5%; quartile 4, 65.2%; p < 0.001). Multivariate logistic regression analysis showed that lactate clearance quartile was an independent predictor of the 30-day survival and good neurologic outcome. In the Cox proportional hazards model, the frequency of mortality during 30 days was significantly higher for patients with lactate clearance in quartile 1 (hazard ratio, 3.12; 95% CI, 2.14-4.53), quartile 2 (hazard ratio, 2.13; 95% CI, 1.46-3.11), and quartile 3 (hazard ratio, 1.49; 95% CI, 1.01-2.19) than those with lactate clearance in quartile 4. Furthermore, multivariate logistic regression analysis revealed that lactate clearance was a significant predictor of good neurologic outcome at 30 days after hospital admission. CONCLUSIONS Effective lactate reduction over the first 6 hours of postcardiac arrest care was associated with survival and good neurologic outcome independently of the initial lactate level.
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