Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：English   Publishing type：Research paper (scientific journal)  

BACKGROUND: Chest computed tomography findings are helpful for understanding the pathophysiology of severe acute respiratory distress syndrome (ARDS). However, there is no large, multicenter, chest computed tomography registry for patients requiring veno-venous extracorporeal membrane oxygenation (V-V ECMO). The aim of this study was to describe chest computed tomography findings at V-V ECMO initiation and to evaluate the association between the findings and outcomes in severe ARDS. METHODS: This multicenter, retrospective cohort study enrolled patients with severe ARDS on V-V ECMO, who were admitted to the intensive care units of 24 hospitals in Japan between January 1, 2012, and December 31, 2022. RESULTS: The primary outcome was 90-day in-hospital mortality. The secondary outcomes were the successful liberation from V-V ECMO and the values of static lung compliance. Among the 697 registry patients, of the 582 patients who underwent chest computed tomography at V-V ECMO initiation, 394 survived and 188 died. Multivariate Cox regression showed that traction bronchiectasis and subcutaneous emphysema increased the risk of 90-day in-hospital mortality (hazard ratio [95% confidence interval] 1.77 [1.19-2.63], p = 0.005 and 1.97 [1.02-3.79], p = 0.044, respectively). The presence of traction bronchiectasis was also associated with decreased successful liberation from V-V ECMO (odds ratio: 0.27 [0.14-0.52], p < 0.001). Lower static lung compliance was associated with some chest computed tomography findings related to changes outside of pulmonary opacity, but not with the findings related to pulmonary opacity. CONCLUSIONS: Traction bronchiectasis and subcutaneous emphysema increased the risk of 90-day in-hospital mortality in patients with severe ARDS who required V-V ECMO.

DOI： 10.1186/s40560-023-00715-x

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Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: The effect of a prophylactic distal perfusion catheter (DPC) after extracorporeal cardiopulmonary resuscitation (ECPR) in patients with out-of-hospital cardiac arrest (OHCA) remains unclear. Therefore, we aimed to clarify the association between prophylactic DPC and prognosis in patients with OHCA undergoing ECPR. MATERIALS AND METHODS: A secondary analysis of the Study of Advanced Life Support for Ventricular Fibrillation with Extracorporeal Circulation in Japan (SAVE-J II) database was performed to compare groups of patients with and without prophylactic DPCs. A multivariate analysis of survival at discharge was performed using factors that were significant in the two-arm comparison. RESULTS: A total of 2044 patients were included in the analysis after excluding those who met the exclusion criteria. Survival at discharge was observed in 548 (26.9%) patients. In total, 100 (4.9%) patients developed limb ischemia, among whom 14 (0.7%) required therapeutic intervention. Multivariate analysis showed that prophylactic DPC did not result in a significant difference in survival at discharge (odds ratio: 0.898 [0.652-1.236], p = 0.509). CONCLUSIONS: The implementation of prophylactic DPC after ECPR for patients with OHCA may not contribute to survival at discharge.

DOI： 10.1016/j.ajem.2024.01.009

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Language：Japanese   Publisher：(公社)神奈川県医師会  

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AIM: To evaluate whether establishing an extracorporeal membrane oxygenation (ECMO) specialist team, termed the Yokohama Advanced Cardiopulmonary Help Team (YACHT), affected the outcomes and centralization of patients requiring ECMO in Yokohama-Yokosuka regions. METHODS: This retrospective observational study included patients aged ≥18 years and treated with venovenous-ECMO for severe acute respiratory distress syndrome (ARDS) from 2014 to 2023. The primary outcome was intensive care unit (ICU) mortality. The secondary outcomes included ICU-, mechanical ventilator-, and ECMO-free days and complications during the first 28 days. RESULTS: This study included 46 (12 without- and 34 with-YACHT) patients. Among with-YACHT patients, 24 were transferred to our hospital from other hospitals, 14 were assessed by dispatched ECMO physicians, and 9 were transferred after ECMO introduction. No without-YACHT patients were transferred from other hospitals. With-YACHT patients experienced coronavirus disease 2019-associated respiratory failure more frequently (0 vs. 27, p < 0.001) and had higher Acute Physiology and Chronic Health Evaluation II scores (19 vs. 24, p = 0.037) and lower Respiratory Extracorporeal Membrane Oxygenation Survival Prediction scores (4 vs. 2, p = 0.021). ICU mortality was not significantly different between the groups (2 vs. 4, p = 0.67). ICU- (14 vs. 9, p = 0.10), ventilator- (11 vs. 5, p = 0.01), and ECMO-free days (20 vs. 14, p = 0.038) were higher before YACHT establishment. The incidences of complications were not significantly different between the groups. CONCLUSIONS: Mortality was not significantly different pre- and post-YACHT establishment; however, it helped promote regionalization and centralization in Yokohama-Yokosuka areas. We will collect more cases to demonstrate YACHT's usefulness.

DOI： 10.1002/ams2.953

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：English   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：English   Publishing type：Research paper (scientific journal)  

INTRODUCTION: Iliopsoas haematoma (IPH) during extracorporeal membrane oxygenation (ECMO) is a rare bleeding complication that can be fatal due to its progression to abdominal compartment syndrome, but its incidence and risk factors are not well known. We have previously reported an IPH incidence rate of 16% in Japan. Among possible reasons for this high incidence, ethnicity has been hypothesised to play a role. Therefore, we used an international multi-centre cohort registry to test this hypothesis by determining the incidence rate of IPH. METHODS: This study was performed using the COVID-19 Critical Care Consortium database, conducted in 30 countries across five continents between 3 January 2020, and 20 June 2022. RESULTS: Overall, 1102 patients received ECMO for COVID-19-related acute respiratory distress syndrome. Of them, only seven were reported to have IPH, indicating an incidence rate of 0.64%, with comparable rates between the countries. The IPH group tended to have a higher mortality rate (71.4%) than the non-IPH group (51%). CONCLUSIONS: Overall incidence of IPH in the studied COVID-19 ECMO cohort was 0.64%. Most cases were reported from Japan, Belgium, and Italy. In our study, this rare complication did not appear to be confined to Asian patients. Due to the high fatality rate, awareness about the occurrence of IPH should be recognised.

DOI： 10.1177/02676591231168285

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Publishing type：Research paper (scientific journal)   Publisher：SAGE Publications  

This paper proposes a method to determine the elasticity of the lung parenchyma from the B-line Doppler signal observed using continuous shear wave elastography, which uses a small vibrator placed on the tissue surface to propagate continuous shear waves with a vibration frequency of approximately 100 Hz. Since the B-line is generated by multiple reflections in fluid-storing alveoli near the lung surface, the ultrasonic multiple-reflection signal from the B-line is affected by the Doppler shift due to shear waves propagating in the lung parenchyma. When multiple B-lines are observed, the propagation velocity can be estimated by measuring the difference in propagation time between the B-lines. Therefore, continuous shear wave elastography can be used to determine the elasticity of the lung parenchyma by measuring the phase difference of shear wave between the B-lines. In this study, three elastic sponges (soft, medium, and hard) with embedded glass beads were used to simulate fluid-storing alveoli. Shear wave velocity measured using the proposed method was compared with that calculated using Young’s modulus obtained from compression measurement. Using the proposed method, the measured shear wave velocities (mean ± S.D.) were 3.78 ± 0.23, 4.24 ± 0.12, and 5.06 ± 0.05 m/s for soft, medium, and hard sponges, respectively, which deviated by a maximum of 5.37% from the values calculated using the measured Young’s moduli. The shear wave velocities of the sponge phantom were in a velocity range similar to the mean shear wave velocities of healthy and diseased lungs reported by magnetic resonance elastography (3.25 and 4.54 m/s, respectively). B-line elastography may enable emergency diagnoses of acute lung disease using portable ultrasonic echo devices.

DOI： 10.1177/01617346221149141

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Other Link： http://journals.sagepub.com/doi/full-xml/10.1177/01617346221149141

Language：English   Publishing type：Research paper (scientific journal)  

AIM: Although the obesity paradox is known for various diseases, including cancer and acute respiratory distress syndrome, little is known about veno-venous extracorporeal membrane oxygenation (VV-ECMO) in patients with coronavirus disease 2019 (COVID-19). In this study, we aimed to investigate the association between body mass index (BMI) and prognosis in critical patients with COVID-19 requiring VV-ECMO. METHODS: We conducted a retrospective observational single-center study at Yokohama City University Civic General Medical Center between March 2020 and October 2021. Participants were patients with COVID-19 who required VV-ECMO. They were classified into two groups: BMI ≤30 kg/m2 and >30 kg/m2. RESULTS: In total, 23 patients were included in the analysis, with a median BMI of 28.7 kg/m2. Overall, 22 patients were successfully weaned from the ECMO. When comparing the two groups, there was a trend toward fewer days from onset to ECMO induction in the BMI >30 kg/m2 group. Moreover, the two groups had a similar prognosis. There were no statistically significant differences in the number of days from onset to hospitalization or the duration of ECMO induction between the groups. CONCLUSION: VV-ECMO induction for patients with COVID-19 may lead to earlier indications in patients with BMI >30 kg/m2 than in those with BMI ≤30 kg/m2.

DOI： 10.1002/ams2.871

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：国家公務員共済組合連合会  

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Language：English   Publishing type：Research paper (scientific journal)  

AIM: Temporal changes in cerebral regional oxygen saturation (crSO2) are useful for predicting return of spontaneous circulation (ROSC) in out-of-hospital cardiac arrest (OHCA) patients. However, little is known regarding the usefulness of peripheral regional oxygen saturation (prSO2) associated with OHCA patient outcomes. This study evaluated the association between temporal changes in prSO2 and ROSC in patients with OHCA. METHODS: This was a prospective study at two tertiary emergency centres in Japan. We evaluated the relationship between ROSC and temporal changes in crSO2 and prSO2. The rSO2 sensor was attached to the patient's forehead and upper arm, and rSO2 was continuously measured until resuscitative efforts were terminated or until the patient with sustained ROSC (>20 min) arrived at the emergency department. RESULTS: We included 145 patients with OHCA, of whom 35 achieved ROSC. Witness status (odds ratio [95% confidence interval]: 11.6 [3.13-58.1]) and ΔprSO2 (1.13 [1.06-1.24]) were significantly associated with ROSC in multiple logistic analysis. In the ROSC group, ΔprSO2 increased earlier than ΔcrSO2 during cardiopulmonary resuscitation. In the non-ROSC group, there was no significant difference between ΔcrSO2 and ΔprSO2, and neither increased before termination of resuscitation (TOR). CONCLUSION: We demonstrated for the first time that prSO2 is associated with ROSC in OHCA patients and showed that temporal changes in prSO2 could predict ROSC earlier than those in crSO2. Our findings could provide time to prepare early interventions after ROSC and assist in determining the TOR for OHCA patients in Japan. Further studies are needed to validate these findings.

DOI： 10.1016/j.resuscitation.2022.03.024

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Lung ultrasound (LUS), a rapid, bedside, goal-oriented diagnostic test, can be quantitatively assessed, and the scores can be used to evaluate disease progression. However, little data exists on predicting prolonged mechanical ventilation (PMV) and successful extubation using serial LUS scores. We examined the relationship of PMV with successful extubation in patients with severe coronavirus disease (COVID-19) by using two types of serial LUS scores. One LUS score evaluated both the pleura and lung fields, while the other assessed each separately (modified-LUS score). Both LUS scores were determined for 20 consecutive patients with severe COVID-19 at three timepoints: admission (day-1), after 48 h (day-3), and on the seventh follow-up day (day-7). We compared LUS scores with the radiographic assessment of the lung oedema (RALE) scores and laboratory test results, at the three timepoints. The PMV and successful extubation groups showed no significant differences in mortality, but significant differences occurred on day-3 and day-7 both LUS scores, day-7 RALE score, and day-7 PaO2/FiO2 ratio, in the PMV group (p<0.05); and day-3 and day-7 modified-LUS scores, day-7 C-reactive protein levels, and day-7 PaO2/FiO2 ratio, in the successful extubation group (p<0.05). The area under the curves (AUC) of LUS scores on day-3 and day-7, modified-LUS scores on day-3 and day-7,RALE score on day-7, and PaO2/FiO2 ratio on day-7 in the PMV group were 0.98, 0.85, 0.88, 0.98, 0.77, and 0.80, respectively. The AUC of modified-LUS scores on day-3 and day-7, C-reactive protein levels on day-7, and PaO2/FiO2 ratio on day-7 in the successful extubation group were 0.79, 0.90, 0.82, and 0.79, respectively. The modified-LUS score on day 7 was significantly higher than that on day 1 in PMV group (p<0.05). While the LUS score did not exhibit significant differences. The serial modified-LUS score of patients with severe COVID-19 could predict PMV.

DOI： 10.1371/journal.pone.0271391

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Language：English   Publishing type：Research paper (scientific journal)  

BACKGROUND: Extravasation on contrast-enhanced computed tomography (CECT) is a helpful indicator of the need for transcatheter arterial embolization (TAE) for pelvic fractures. However, previous reports were inconsistent on cases in which angiography is necessary, even though there is no extravasation on CT. This study aimed to describe and analyze the contradictory findings in cases where extravasation is observed on angiography but not on CECT, to contribute to improved management of patients with pelvic fractures. METHODS: This was a retrospective single-center study. Patients with pelvic fractures who underwent CECT and TAE between 2014 and 2020 were included. We classified the patients into three groups: CECT and angiography with extravasation (CT + Angio+); CECT with no extravasation and angiography with extravasation (CT-Angio+); and CECT with extravasation and angiography without extravasation (CT + Angio-). RESULTS: 113 patients were included in the study: the CT + Angio+ group had 54 patients, CT-Angio+47, and CT + Angio- 12. The CT-Angio+ group had a significantly longer time from arrival to CECT than the CT + Angio+ group (27 minutes vs. 23 minutes, p < 0.05). The CT-Angio+ group had significantly more blood transfusions (FFP, platelets) within 24 hours than the CT + Angio- group did (p < 0.05), and ventilator management days (p < 0.05), and intensive care unit stays (p < 0.05) were significantly longer. CONCLUSIONS: There was no significant difference in outcomes among the three groups. There was no difference in severity, transfusion volume, or mortality in patients with pelvic fractures needing TAE, classified as CT-Angio+, compared to that of CT + Angio+ patients. Even in the absence of extravasation in the pelvic region on CECT, angiography or TAE may still be necessary. LEVEL OF EVIDENCE: Level IV, Therapeutic.

DOI： 10.1097/TA.0000000000003446

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BACKGROUND: Coronavirus disease 2019 (COVID-19) pneumonitis associated with severe respiratory failure is associated with high mortality. The pathogenesis of COVID-19 is associated with microembolism or microvascular endothelial injuries. Here, we report that syndecan-1 (SDC-1), a component of the endothelial glycocalyx, may be a biomarker of severity classification for COVID-19 related to endothelial injury. METHODS AND ANALYSIS: We analyzed the data of COVID-19 patients for 1 year from February 2020 at Yokohama City University Hospital and Yokohama City University Medical Center Hospital. We selected COVID-19 patients who required admission care, including intensive care, and analyzed the classification of severe and critical COVID-19 retrospectively, using various clinical data and laboratory data with SDC-1 by ELISA. RESULTS: We analyzed clinical and laboratory data with SDC-1 in five severe COVID-19 and ten critical COVID-19 patients. In the two groups, their backgrounds were almost the same. In laboratory data, the LDH, CHE, and CRP levels showed significant differences in each group (P = 0.032, P < 0.0001, and P = 0.007, respectively) with no significant differences in coagulation-related factors (platelet, PT-INR, d-dimer, ISTH score; P = 0.200, 0.277, 0.655, and 0.36, respectively). For the clinical data, the SOFA score was significantly different from admission day to day 14 of admission (p < 0.0001). The SDC-1 levels of critical COVID-19 patients were significantly higher on admission day and all-time course compared with the levels of severe COVID-19 patients (P = 0.009 and P < 0.0001, respectively). CONCLUSIONS: Temporal change of SDC-1 levels closely reflect the severity of COVID-19, therefore, SDC-1 may be a therapeutic target and a biomarker for the severity classification of Covid-19.

DOI： 10.1186/s12959-021-00308-4

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Publishing type：Research paper (scientific journal)   Publisher：Research Square Platform {LLC}  

DOI： 10.21203/rs.3.rs-614493/v1

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DOI： 10.1016/j.jinf.2020.08.021

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Language：Japanese   Publisher：(株)羊土社  

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Other Link： https://search.jamas.or.jp/default/link?pub_year=2021&ichushi_jid=J03286&link_issn=&doc_id=20210119020018&doc_link_id=%2Fai4resic%2F2021%2F002216%2F019%2F3085-3092%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fai4resic%2F2021%2F002216%2F019%2F3085-3092%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

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BACKGROUND: Iliopsoas hematoma occasionally occurs in patients receiving anticoagulation therapy. It may be a life-threatening complication and can cause disseminated intravascular coagulation, which could develop into abdominal compartment syndrome. The incidence of and factors associated with iliopsoas hematoma during venovenous extracorporeal membrane oxygenation (ECMO) have not been well studied. OBJECTIVES: To describe the incidence of iliopsoas hematoma and associated factors among patients undergoing venovenous ECMO. METHODS: A retrospective cohort study was conducted at Nippon Medical School Hospital from April 2015 to October 2018. All patients (>18 years old) with iliopsoas hematoma received a diagnosis based on computed tomography. RESULTS: During the study period, 54 patients were supported with venovenous ECMO. Iliopsoas hematoma occurred in 8 of those patients (15%), none of whom had disseminated intravascular coagulopathy or abdominal compartment syndrome develop. Univariate analysis indicated that management of ECMO while the patient was awake and mobilization beyond sitting on the edge of the bed were significantly different (P < .05) in patients with and patients without iliopsoas hematoma. Mortality, however, did not differ significantly between the 2 groups. CONCLUSIONS: Our findings emphasize that recognizing factors associated with iliopsoas hematoma and detecting them early are crucial during venovenous ECMO in order to treat patients with iliopsoas hematoma appropriately.

DOI： 10.4037/ajcc2021351

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Language：English   Publishing type：Research paper (scientific journal)  

In the coronavirus disease-2019 (COVID-19) era, point-of-care lung ultrasound (LUS) has attracted increased attention. Prospective studies on LUS for the assessment of pneumonia in adult patients were extensively carried out for more than 10 years before this era. None of these prospective studies attempted to differentiate bacterial and viral pneumonia in adult patients using LUS. The majority of studies considered the LUS examination to be positive if sonographic consolidations or multiple B-lines were observed. Significant differences existed in the accuracy of these studies. Some studies revealed that LUS showed superior sensitivity to chest X-ray. These results indicate that point-of-care LUS has the potential to be an initial imaging modality for the diagnosis of pneumonia. The LUS diagnosis of ventilator-associated pneumonia in intensive care units is more challenging in comparison with the diagnosis of community-acquired pneumonia in emergency departments due to the limited access to the mechanically ventilated patients and the high prevalence of atelectasis. However, several studies have demonstrated that the combination of LUS findings with other clinical markers improved the diagnostic accuracy. In the COVID-19 era, many case reports and small observational studies on COVID-19 pneumonia have been published in a short period. Multiple B-lines were the most common and consistent finding in COVID-19 pneumonia. Serial LUS showed the deterioration of the disease. The knowledge and ideas on the application of LUS in the management of pneumonia that are expected to accumulate in the COVID-19 era may provide us with clues regarding more appropriate management.

DOI： 10.1007/s10396-020-01074-y

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Computed tomography (CT) is the most reliable method to evaluate the progression of COVID-19 pneumonitis. However, in a pandemic, transportation of critically ill invasively ventilated patients to radiology facilities is challenging, especially for those on extracorporeal membrane oxygenation (ECMO). Notably, lung ultrasound (LUS) is a favored alternative imaging modality due to its ease of use at the point of care, which reduces the infectious risk of exposure and transmission; repeatability; absence of radiation exposure; and low cost. We demonstrated that serial LUS compares favorably with other imaging modalities in terms of usefulness for evaluating lung aeration and recovery in an ECMO-managed COVID-19 patient.

DOI： 10.1016/j.rmcr.2021.101383

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BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic rapidly increases the use of mechanical ventilation (MV). Such cases further require extracorporeal membrane oxygenation (ECMO) and have a high mortality. OBJECTIVE: We aimed to identify prognostic biomarkers pathophysiologically reflecting future deterioration of COVID-19. METHODS: Clinical, laboratory, and outcome data were collected from 102 patients with moderate to severe COVID-19. Interleukin (IL)-6 level and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA copy number in plasma were assessed with ELISA kit and quantitative PCR. RESULTS: Twelve patients died or required ECMO owing to acute respiratory distress syndrome despite the use of MV. Among various variables, a ratio of oxygen saturation to fraction of inspired oxygen (SpO2/FiO2), IL-6, and SARS-CoV-2 RNA on admission before intubation were strongly predictive of fatal outcomes after the MV use. Moreover, among these variables, combining SpO2/FiO2, IL-6, and SARS-CoV-2 RNA showed the highest accuracy (area under the curve: 0.934). In patients with low SpO2/FiO2 (< 261), fatal event-rate after the MV use at the 30-day was significantly higher in patients with high IL-6 (> 49 pg/mL) and SARS-CoV-2 RNAaemia (> 1.5 copies/μL) compared to those with high IL-6 or RNAaemia or without high IL-6 and RNAaemia (88% vs. 22% or 8%, log-rank test P = 0.0097 or P < 0.0001, respectively). CONCLUSIONS: Combining SpO2/FiO2 with high IL-6 and SARS-CoV-2 RNAaemia which reflect hyperinflammation and viral overload allows accurately and before intubation identifying COVID-19 patients at high risk for ECMO use or in-hospital death despite the use of MV.

DOI： 10.1371/journal.pone.0256022

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AIM: To describe the transport time and timing of transfer of patients with postpartum hemorrhage to a tertiary care institution in an urban area. METHODS: We included patients with postpartum hemorrhage transferred to our hospital from a perinatal care facility. We defined transfer time as the time between the referring physician's request for transfer and the patient's arrival at our hospital. We examined transfer time and its breakdown, the shock index before and after transfer, and the prognosis. RESULTS: Overall, 79 patients with postpartum hemorrhage were transported to our hospital within a median (interquartile range) of 53 min (47-63 min). In 70 cases (89%), the request for transport was made before the shock index reached 1.5, and two cases had cardiac arrest during transport. CONCLUSIONS: Most patients who were transferred to our hospital were transferred according to the criteria recommended by the guideline. However, the occurrence of cardiac arrest during transport indicates the need to shorten the time from transfer requests to emergency calls by strengthening cooperation with regional perinatal care facilities.

DOI： 10.1002/ams2.716

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：BioMed Central Ltd.  

DOI： 10.1186/s40560-020-00456-1

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Language：Japanese   Publisher：(一社)日本病院総合診療医学会  

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Publishing type：Research paper (scientific journal)   Publisher：Wiley  

DOI： 10.1002/ams2.509

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Other Link： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/ams2.509

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AIM: Early judgments for treating severe trauma patients are essential for life-saving. Stress index (SI), obtained from a division of blood glucose level by serum potassium at arrival, might be useful for early prediction. However, the efficacy of SI was unknown. The purpose of this study was to identify and validate prediction models of severe trauma (ST) and the need for damage control operation (DCOP) and massive transfusion (MT) by using SI among trauma patients. METHODS: This study was a retrospective and prospective observational study. The prediction models were created by 1-year retrospective data of 167 trauma patients. The prediction models were validated by 6 months of prospective data of 87 trauma patients. RESULTS: The prediction model for ST contained respiratory rate and SI as significant factors. The prediction model for DCOP contained SI. The prediction model for MT contained systolic blood pressure and SI. The correlation of probability of MT, ST, and DCOP was r = 0.70 (P < 0.001), r = 0.46 (P < 0.001), and r = 0.15 (P = 0.196), respectively. The predicted probability of MT, ST, and DCOP showed 0.93 (95% confidence interval [CI], 0.88-0.90) and 0.80 (95% CI, 0.74-0.86), and 0.79 (95% CI, 0.70-0.88). CONCLUSION: We identified and validated our prediction models for ST and the need for DCOP and MT among trauma patients using SI as a main predictor. Our models indicated that fewer variables in an early phase of the treatment process can inform clinicians regarding how severe a patient is and which intervention is needed.

DOI： 10.1002/ams2.493

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Language：English   Publishing type：Research paper (scientific journal)  

Background: Resuscitative endovascular balloon occlusion of the aorta (REBOA) for patients with traumatic torso hemorrhagic shock is available to keep a minimum level of circulatory status as a bridge to definitive therapy. However, the trajectory for placement of REBOA in the aorta has not yet been clearly defined. Methods: We conducted a retrospective observational cohort study in the two tertiary critical care and emergency center from December 2014 to October 2018. A total of 28 patients who underwent focused assessment with sonography for trauma (FAST) were studied via contrast computed tomography (CT), and 27 were analyzed. Results: We divided patients into two groups based on our CT findings. The REBOA deflate group included 16 patients, and the inflate group included 11 patients. The median trace value (interquartile range) of the blood vessel center line from the common femoral artery to the tip of REBOA (blood vessel length) and the length of REBOA itself from the common femoral artery to the tip of REBOA (REBOA insertion length) were 56.2 cm (54.5-57.2) and 55.2 cm (54.2-55.6), respectively (p < 0.0001) for the deflated group, and 51.4 cm (42.1-56.6) and 50.3 cm (42.3-55.0) (p = 0.594), respectively, for the inflated group. Conclusions: If REBOA was deflated, it was placed 1.0 cm longer than the insertion length of REBOA catheter itself, but that was not the case when inflating REBOA. The individual difference was large to the extent that the balloon inflated and the extent to which the balloon was pushed back toward the caudal depending on the degree of blood pressure. Further studies would be needed to validate the study findings.

DOI： 10.1186/s13017-019-0255-0

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本臨床救急医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本Acute Care Surgery学会  

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Language：Japanese   Publisher：(一社)日本Acute Care Surgery学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Other Link： https://search.jamas.or.jp/default/link?pub_year=2023&ichushi_jid=J02870&link_issn=&doc_id=20230802460008&doc_link_id=10.11382%2Fjjast.37.3_07&url=https%3A%2F%2Fdoi.org%2F10.11382%2Fjjast.37.3_07&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(株)羊土社  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(株)医学書院  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：国家公務員共済組合連合会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：(公社)神奈川県医師会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：国家公務員共済組合連合会  

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Language：Japanese   Publisher：(一社)日本人工臓器学会  

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Language：Japanese   Publisher：(株)羊土社  

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Other Link： https://search-tp.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2021&ichushi_jid=J03286&link_issn=&doc_id=20210714030014&doc_link_id=%2Fai4resic%2F2021%2F002307%2F015%2F1025b1030%26dl%3D3&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fai4resic%2F2021%2F002307%2F015%2F1025b1030%26dl%3D3&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_4.gif

Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：English   Publisher：(一社)日本循環器学会  

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Language：English   Publisher：(一社)日本循環器学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本腹部救急医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本外傷学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(株)医学書院  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：国家公務員共済組合連合会  

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Language：Japanese   Publisher：(公社)日本超音波医学会  

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Language：Japanese   Publisher：(株)医学書院  

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Other Link： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2018&ichushi_jid=J06862&link_issn=&doc_id=20180201370012&doc_link_id=10.11477%2Fmf.1437200112&url=https%3A%2F%2Fdoi.org%2F10.11477%2Fmf.1437200112&type=%88%E3%8F%91.jp_%83I%81%5B%83%8B%83A%83N%83Z%83X&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00024_2.gif

Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：日本救急医学会-関東地方会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本救急医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本集中治療医学会  

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Language：Japanese   Publisher：(一社)日本臨床救急医学会  

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