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Article ; Online: Traumatic Cardiac Arrest

Makoto Aoki / Toshikazu Abe

Frontiers in Medicine, Vol

Scoping Review of Utilization of Resuscitative Endovascular Balloon Occlusion of the Aorta

2022 Volume 9

Abstract: Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) is increasingly used in trauma resuscitation for patients with life-threatening hemorrhage below the diaphragm and may also be used for patients with traumatic cardiac arrest (TCA). ... ...

Abstract	Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) is increasingly used in trauma resuscitation for patients with life-threatening hemorrhage below the diaphragm and may also be used for patients with traumatic cardiac arrest (TCA). Resuscitative thoracotomy with aortic cross clamping (RT-ACC) maneuver was traditionally performed for patients with TCA due to hemorrhagic shock; however, REBOA has been substituted for RT-ACC in selected TCA cases. During cardiopulmonary resuscitation (CPR) in TCA, REBOA increases cerebral and coronary perfusion, and temporary bleeding control. Both animal and clinical studies have reported the efficacy of REBOA for TCA, and a recent observational study suggested that REBOA may contribute to the return of spontaneous circulation after TCA. Although multiple questions remain unanswered, REBOA has been applied to trauma fields as a novel technology.
Keywords	traumatic cardiac arrest ; Resuscitative Endovascular Balloon Occlusion of the Aorta ; return of spontaneous circulation (ROSC) ; mortality ; review ; Medicine (General) ; R5-920
Subject code	610
Language	English
Publishing date	2022-06-01T00:00:00Z
Publisher	Frontiers Media S.A.
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Impact of defibrillation with automated external defibrillator by bystander before defibrillation by emergency medical system personnel on neurological outcome of out-of-hospital cardiac arrest with non-cardiac etiology

Akira Komori / Hiroki Iriyama / Toshikazu Abe

Resuscitation Plus, Vol 13, Iss , Pp 100363- (2023)

2023

Abstract: Aim of the study: Although defibrillation using automated external defibrillator (AED) by bystander prior to emergency medical system (EMS) arrival was associated with favorable outcomes in out-of-hospital cardiac arrest (OHCA) of cardiac cause, whether ... ...

Abstract	Aim of the study: Although defibrillation using automated external defibrillator (AED) by bystander prior to emergency medical system (EMS) arrival was associated with favorable outcomes in out-of-hospital cardiac arrest (OHCA) of cardiac cause, whether it improves outcomes of OHCA due to non-cardiac cause is not clear. We aimed to investigate the impact of defibrillation with AED by bystander before defibrillation by EMS personnel on the outcomes of OHCA of presumed non-cardiac cause. Methods: This was a retrospective cohort study using the All-Japan Utstein registry (reference period: 2013 to 2017). We included adult patients with OHCA of presumed non-cardiac cause, who had initial shockable rhythm, and who received witnessed arrest bystander cardiopulmonary resuscitation (CPR). Exposure variable was defibrillation with AED by bystander in comparison with initial defibrillation by EMS. Logistic regression analyses were conducted to assess the association between bystander AED shock and favorable neurological outcome (Cerebral Performance Category scale 1 or 2) at one month. Results: Among the 1,053 patients included for analysis, 57 (5.4%) received bystander AED shock. There was no statistically significant difference in the rate of favorable neurological outcome at one month between groups [9 (15.8%) vs 109 (10.9%), p = 0.26]. Logistic regression analysis adjusted for characteristics, intervention, and time course of CPR showed no association between bystander AED shock and favorable neurological outcome [OR (95% CI): 1.63 (0.70–3.77), p = 0.25]. Conclusion: In this study, defibrillation with AED by bystander before defibrillation by EMS personnel was not associated with the favorable outcomes of OHCA of presumed non-cardiac cause.
Keywords	Out-of-hospital cardiac arrest ; Automated external defibrillator ; Defibrillation ; Non-cardiac cause ; Favorable neurological outcome ; Specialties of internal medicine ; RC581-951
Subject code	610
Language	English
Publishing date	2023-03-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Hyperoxia for sepsis and development of acute lung injury with increased mortality

Kazuma Yamakawa / Toshikazu Abe / Hiroshi Ogura / Seitaro Fujishima / Ryo Yamamoto / Junichi Sasaki / Satoshi Gando

BMJ Open Respiratory Research, Vol 10, Iss

2023 Volume 1

Abstract: Background Supraphysiological oxygen administration causes unfavourable clinical outcomes in various diseases. This study aimed to determine whether hyperoxia would be associated with increased mortality in patients with severe infection.Methods A post- ... ...

Abstract	Background Supraphysiological oxygen administration causes unfavourable clinical outcomes in various diseases. This study aimed to determine whether hyperoxia would be associated with increased mortality in patients with severe infection.Methods A post-hoc analysis of a nationwide multicentre prospective observational study on sepsis (SPICE Study) was conducted, including adult patients admitted to the intensive care unit with available arterial partial pressure of oxygen (PaO2) at the treatment initiation for severe infection. Hyperoxia was defined as a PaO2 level of ≥300 mm Hg and in-hospital mortality was compared between patients with and without hyperoxia.Results Of the 563 patients eligible for the study, 49 had hyperoxia at treatment initiation for severe infection. The in-hospital all-cause mortality rates of patients with and without hyperoxia were 14 (29.2%) and 90 (17.6%), respectively. Inverse probability weighting analyses with propensity scores revealed the association between hyperoxia and increased in-hospital mortality rate (28.8% vs 18.8%; adjusted OR 1.75 (1.03 to 2.97); p=0.038), adjusting for patient demographics, comorbidities, site of infection, severity of infection, haemodynamic and respiratory status, laboratory data and location of patient at infection development. Acute lung injury developed more frequently in patients with hyperoxia on the following days after infection treatment, whereas sepsis-related mortality was comparable regardless of hyperoxia exposure.Conclusion Hyperoxia with PaO2 ≥300 mm Hg at treatment initiation of severe infection was associated with an increased in-hospital mortality rate in patients requiring intensive care. The amount of oxygen to administer to patients with severe infection should be carefully determined.Trial registration number University Hospital Medical Information Network Clinical Trial Registry (UMIN000027452).
Keywords	Medicine ; R ; Diseases of the respiratory system ; RC705-779
Subject code	610
Language	English
Publishing date	2023-11-01T00:00:00Z
Publisher	BMJ Publishing Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Epidemiology, Patterns of treatment, and Mortality of Pediatric Trauma Patients in Japan

Makoto Aoki / Toshikazu Abe / Daizoh Saitoh / Kiyohiro Oshima

Scientific Reports, Vol 9, Iss 1, Pp 1-

2019 Volume 7

Abstract: Abstract Limited information exists regarding the epidemiology, patterns of treatment, and mortality of pediatric trauma patients in Japan. To evaluate the characteristics and mortality of pediatric trauma patients in Japan, especially in traffic ... ...

Abstract	Abstract Limited information exists regarding the epidemiology, patterns of treatment, and mortality of pediatric trauma patients in Japan. To evaluate the characteristics and mortality of pediatric trauma patients in Japan, especially in traffic accidents. This was a retrospective cohort study between 2004 and 2015 from a nationwide trauma registry in Japan. Pediatric trauma patients divided into four age groups: <1 years; 1 ≤ 5 years; 6 ≤ 10 years; and 11 ≤ 15 years. Data on patients’ demographics, trauma mechanism and severity, treatments and in-hospital mortality were analyzed between the groups. There were 15,441 pediatric trauma patients during the study period. Among 15,441 pediatric patients, 779 belonged to the <1 year age group, 3,933 to the 1 ≤ 5 years age group, 5,545 to the 6 ≤ 10 age group, and 5,184 to the 11 ≤ 15 years age group. Male injuries (69%) were more frequent than female injuries. Head injuries (44%) were the most frequent and severe. Traffic accidents were the leading cause of trauma (44%). Overall in-hospital mortality was 3.9% and emergency department mortality was 1.4%. In-hospital mortality was 5.3%, 4.7%, 3.0% and 4.0% for the <1 year, 1 ≤ 5 years, 6 ≤ 10 years, and 11 ≤ 15 years age groups respectively. A total of 57% of all trauma deaths were before or upon arrival at hospital. Traffic accidents for the <1 year age group was the highest category of mortality (15%). The overall in-hospital mortality of Japanese pediatric trauma patients was 3.9% based on the nationwide trauma registry of Japan. The main cause of severe trauma was traffic accidents, especially in patients <1 year of age whose mortality was 15%.
Keywords	Medicine ; R ; Science ; Q
Subject code	616
Language	English
Publishing date	2019-01-01T00:00:00Z
Publisher	Nature Publishing Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Association of Prehospital Epinephrine Administration With Survival Among Patients With Traumatic Cardiac Arrest Caused By Traffic Collisions

Makoto Aoki / Toshikazu Abe / Kiyohiro Oshima

Scientific Reports, Vol 9, Iss 1, Pp 1-

2019 Volume 7

Abstract: Abstract For traumatic cardiac arrest (TCA), the effect of prehospital epinephrine administration was unclear. The aim of this study was to evaluate the relationship between prehospital epinephrine administration and survival in patients with TCA caused ... ...

Abstract	Abstract For traumatic cardiac arrest (TCA), the effect of prehospital epinephrine administration was unclear. The aim of this study was to evaluate the relationship between prehospital epinephrine administration and survival in patients with TCA caused by traffic collisions. We conducted a nationwide, prospective, population-based observational study involving patients who experienced out-of-hospital cardiac arrest (OHCA) by using the All-Japan Utstein Registry. Blunt trauma patients with TCA who received prehospital epinephrine were compared with those who did not receive prehospital epinephrine. The primary outcome was 1-month survival of patients. The secondary outcome was prehospital return of spontaneous circulation (ROSC). A total of 5,204 patients with TCA were analyzed. Of those, 758 patients (14.6%) received prehospital epinephrine (Epinephrine group), whereas the remaining 4,446 patients (85.4%) did not receive prehospital epinephrine (No epinephrine group). Eleven (1.5%) and 41 (0.9%) patients in the Epinephrine and No epinephrine groups, respectively, survived for 1 month. In addition, 74 (9.8%) and 40 (0.9%) patients achieved prehospital ROSC in the Epinephrine and No epinephrine groups, respectively. In multivariable logistic regression models, prehospital epinephrine administration was not associated with 1-month survival (odds ratio [OR] 1.495, 95% confidence interval [CI] 0.758 to 2.946) and was associated with prehospital ROSC (OR 3.784, 95% CI 2.102 to 6.812). A propensity score-matched analysis showed similar results for 1-month survival (OR 2.363, 95% CI 0.606 to 9,223) and prehospital ROSC (OR 6.870, 95% CI 3.326 to 14.192). Prehospital epinephrine administration in patients with TCA was not associated with 1-month survival, but was beneficial in regard to prehospital ROSC.
Keywords	Medicine ; R ; Science ; Q
Subject code	616
Language	English
Publishing date	2019-07-01T00:00:00Z
Publisher	Nature Portfolio
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Association between off-hour admission of critically ill children to intensive care units and mortality in a Japanese registry

Takahiro Kido / Masao Iwagami / Toshikazu Abe / Yuki Enomoto / Hidetoshi Takada / Nanako Tamiya

Scientific Reports, Vol 11, Iss 1, Pp 1-

2021 Volume 7

Abstract: Abstract Limited information exists regarding the effect of off-hour admission among critically ill children. To evaluate whether children admitted to intensive care units (ICUs) in off-hour have worse outcomes, we conducted a cohort study in 2013–2018 ... ...

Abstract	Abstract Limited information exists regarding the effect of off-hour admission among critically ill children. To evaluate whether children admitted to intensive care units (ICUs) in off-hour have worse outcomes, we conducted a cohort study in 2013–2018 in a multicenter registry in Japan. Pediatric (age < 16 years) unplanned ICU admissions were divided into regular-hour (daytime on business days) or off-hour (others). Mortality and changes in the functional score at discharge from the unit were compared between the two groups. We established multivariate logistic regression models to examine the independent association between off-hour admission and outcomes. Due to the small number of outcomes, two different models were used. There were 2512 admissions, including 757 for regular-hour and 1745 for off-hour. Mortality rates were 2.4% (18/757) and 1.9% (34/1745) in regular-hour and off-hour admissions, respectively. There was no significant association between off-hour admission and mortality both in model 1 adjusting for age, sex, and Pediatric Index of Mortality 2 (adjusted odds ratio [aOR] 0.89, 95% confidence interval [CI] 0.46–1.72) and in model 2 adjusting for propensity score predicting off-hour admission (aOR 1.05, 95% CI 0.57–1.91). In addition, off-hour admission did not show an independent association with deterioration of functional score.
Keywords	Medicine ; R ; Science ; Q
Subject code	310
Language	English
Publishing date	2021-07-01T00:00:00Z
Publisher	Nature Portfolio
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: The impact of infection complications after trauma differs according to trauma severity

Akira Komori / Hiroki Iriyama / Takako Kainoh / Makoto Aoki / Toshio Naito / Toshikazu Abe

Scientific Reports, Vol 11, Iss 1, Pp 1-

2021 Volume 8

Abstract: Abstract The impact of infection on the prognosis of trauma patients according to severity remains unclear. We assessed the impact of infection complications on in-hospital mortality among patients with trauma according to severity. This retrospective ... ...

Abstract	Abstract The impact of infection on the prognosis of trauma patients according to severity remains unclear. We assessed the impact of infection complications on in-hospital mortality among patients with trauma according to severity. This retrospective cohort study used a nationwide registry of trauma patients. Patients aged ≥ 18 years with blunt or penetrating trauma who were admitted to intensive care units or general wards between 2004 and 2017 were included. We compared the baseline characteristics and outcomes between patients with and without infection and conducted a multivariable logistic regression analysis to investigate the impact of infection on in-hospital mortality according to trauma severity, which was classified as mild [Injury Severity Score (ISS) < 15], moderate (ISS 15–29), or severe (ISS ≥ 30). Among the 150,948 patients in this study, 10,338 (6.8%) developed infections. Patients with infection had greater in-hospital mortality than patients without infection [1085 (10.5%) vs. 2898 (2.1%), p < 0.01]. After adjusting for clinical characteristics, in-hospital mortality differed between trauma patients with and without infection according to trauma severity [17.1% (95% CI 15.2–18.9%) vs. 2.9% (95% CI 2.7–3.1%), p < 0.01, in patients with mild trauma; 14.8% (95% CI 13.3–16.3%) vs. 8.4% (95% CI 7.9–8.8%), p < 0.01, in patients with moderate trauma; and 13.5% (95% CI 11.2–15.7%) vs. 13.7% (95% CI 12.4–14.9%), p = 0.86, in patients with severe trauma]. In conclusion, the effect of infection complications in patients with trauma on in-hospital mortality differs by trauma severity.
Keywords	Medicine ; R ; Science ; Q
Language	English
Publishing date	2021-07-01T00:00:00Z
Publisher	Nature Portfolio
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Surgical mask use by healthcare personnel to prevent COVID‐19 spread in a long‐term care facility

Toshikazu Abe / Yasuharu Tokuda / Hiroki Iriyama / Masao Iwagami / Akira Komori / Takehiro Sugiyama / Nanako Tamiya

Journal of General and Family Medicine, Vol 22, Iss 2, Pp 100-

2021 Volume 103

Abstract: Abstract Long‐term care facilities are a recognized high‐risk setting for severe outcomes during the coronavirus disease 2019 (COVID‐19) outbreak. This study describes a COVID‐19 outbreak in a long‐term care facility in Japan. The index case was a nurse ... ...

Abstract	Abstract Long‐term care facilities are a recognized high‐risk setting for severe outcomes during the coronavirus disease 2019 (COVID‐19) outbreak. This study describes a COVID‐19 outbreak in a long‐term care facility in Japan. The index case was a nurse who wore a surgical mask and used standard precautions. Of the 17 confirmed cases of COVID‐19, 14 (14/93, 15.1%) were residents and three (3/69, 4.3%) were healthcare personnel (HCP); no visitors tested positive 0 (0/22, 0.0%). Mask utilization by HCP was not much effective in preventing COVID‐19 transmission, even when interaction was not considered as being in close contact.
Keywords	COVID‐19 ; disease outbreaks ; long‐term care ; masks ; Medicine (General) ; R5-920
Language	English
Publishing date	2021-03-01T00:00:00Z
Publisher	Wiley
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: A nested case–control study of risk for pulmonary embolism in the general trauma population using nationwide trauma registry data in Japan

Hiroki Iriyama / Akira Komori / Takako Kainoh / Yutaka Kondo / Toshio Naito / Toshikazu Abe

Scientific Reports, Vol 11, Iss 1, Pp 1-

2021 Volume 8

Abstract: Abstract Post-trauma patients are at great risk of pulmonary embolism (PE), however, data assessing specific risk factors for post-traumatic PE are scarce. This was a nested case–control study using the Japan Trauma Data Bank between 2004 and 2017. We ... ...

Abstract	Abstract Post-trauma patients are at great risk of pulmonary embolism (PE), however, data assessing specific risk factors for post-traumatic PE are scarce. This was a nested case–control study using the Japan Trauma Data Bank between 2004 and 2017. We enrolled patients aged ≥ 16 years, Injury Severity Score ≥ 9, and length of hospital stay ≥ 2 days, with PE and without PE, using propensity score matching. We conducted logistic regression analyses to examine risk factors for PE. We included 719 patients with PE and 3595 patients without PE. Of these patients, 1864 [43.2%] were male, and their median Interquartile Range (IQR) age was 73 [55–84] years. The major mechanism of injury was blunt (4282 [99.3%]). Median [IQR] Injury Severity Score (ISS) was 10 [9–18]. In the multivariate analysis, the variables spinal injury [odds ratio (OR), 1.40 (1.03–1.89)]; long bone open fracture in upper extremity and lower extremity [OR, 1.51 (1.06–2.15) and OR, 3.69 (2.89–4.71), respectively]; central vein catheter [OR, 2.17 (1.44–3.27)]; and any surgery [OR, 4.48 (3.46–5.81)] were independently associated with PE. Spinal injury, long bone open fracture in extremities, central vein catheter placement, and any surgery were risk factors for post-traumatic PE. Prompt initiation of prophylaxis is needed for patients with such trauma.
Keywords	Medicine ; R ; Science ; Q
Subject code	616 ; 610
Language	English
Publishing date	2021-09-01T00:00:00Z
Publisher	Nature Portfolio
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Recurrent posterior reversible encephalopathy syndrome of the brainstem in a hypertensive patient with end-stage renal disease

Toshikazu Abe / Yasuharu Tokuda

Journal of Emergencies, Trauma and Shock, Vol 7, Iss 3, Pp 242-

2014 Volume 243

Abstract: A 59-year-old man with end-stage renal disease was brought to our emergency department with complaints of headache, nausea, dysarthria, tic, and weakness involving the bilateral arms and legs. He had the similar episode 4 month before, when he was ... ...

Abstract	A 59-year-old man with end-stage renal disease was brought to our emergency department with complaints of headache, nausea, dysarthria, tic, and weakness involving the bilateral arms and legs. He had the similar episode 4 month before, when he was treated elsewhere. The patient had received hemodialysis three times per week. His medications included for hypertension. On examination at his arrival, he was alert with reduced concentration and incoherent thoughts. The blood pressure was 181/87 mmHg and other vital signs were normal. Neurological findings showed slight dysarthria and slow movements but no other abnormalities. Laboratory data showed increased serum creatinine and potassium presumably for a session of periodical hemodialysis but normal sodium concentration. His cerebrospinal fluid examination was normal. We treated him by hemodialysis. Diagnosis of PRES was most likely because of the clinical features and the MRI findings. His symptoms had disappeared immediately and completely after we controlled high blood pressure. MRI on 13 days after admission showed the improvement of the abnormal findings. Although the pathophysiology of PRES is incompletely understood, renal failure was known as one of the risk factors. A relative lack of sympathetic innervation of posterior circulation could not protect the area when severe hypertension makes auto-regulatory control collapsed. However, PRES of the brainstem is uncommon although the posterior circulation involves it. Because control of his hypertension was not appropriate in the outpatient settings before this event, it could have contributed to the recurrence in this patient.
Keywords	Posterior reversible encephalopathy syndrome ; brainstem ; end-stage renal disease ; hemodialysis ; Medical emergencies. Critical care. Intensive care. First aid ; RC86-88.9 ; Internal medicine ; RC31-1245 ; Medicine ; R
Subject code	630
Language	English
Publishing date	2014-01-01T00:00:00Z
Publisher	Medknow Publications
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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