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Hemorrhage is responsible for 30 to 40% of all trauma-related mortality. Among adult trauma patients, 94% of hemorrhage-related deaths occur within 24 h and approximately 60% of these deaths within 3 h of hospital admission. Therefore, appropriate initial fluid resuscitation for bleeding is crucial to avoid preventable trauma-related death. In particular, the resuscitation strategy must be designed to complement prompt correction of anemia, coagulopathies, and thrombocytopenia. Conventional damage control resuscitation (DCR) of patients with severe trauma and massive hemorrhage is usually begun with rapid infusion of 1000 to 2000 mL of crystalloid fluids with subsequent transfusion of type O or uncross-matched red blood cells (RBCs) without plasma such as fresh frozen plasma (FFP) or platelets (PLTs). However, this DCR technique often leads to several adverse events such as abdominal compartment syndrome, acute respiratory distress syndrome, multiple organ failure, and dilutional coagulopathy. Simultaneous transfusion of FFP and PLTs along with the first units of RBCs while minimizing crystalloid infusion was recently recommended as a renewed DCR strategy. This aggressive RBC transfusion with FFP and PLTs is not only essential for the correction of coagulopathies and thrombocytopenia but also has the potential to ensure a good outcome in trauma patients. Additionally, it is important to maintain the resuscitation ratios of FFP/RBC and PLT/RBC. Most recently, DCR has been advocated for rapid hemorrhage control through early administration of a mixture of FFP, PLTs, and RBCs in a balanced ratio of 1:1:1.

The first pass effect, defined as achieving a complete recanalization with a single thrombectomy procedure, was recently established as a critical procedural performance metric for mechanical thrombectomy. Therefore, the purpose of this study was to evaluate whether the rate of the first pass effect improved when capturing the proximal end of the thrombus by aspiration catheter (CAPTAC) was achieved in mechanical thrombectomy using combined techniques. A prospectively-maintained acute stroke database was used to perform a retrospective review of patients who matched our eligibility criteria of (1) acute cardioembolic stroke, (2) middle cerebral artery (M1, M2) occlusions, and (3) treated with combined techniques as the first-pass procedure. The primary endpoint was the first pass effect. Eighty-one cases were included in the final analysis. CAPTAC was achieved in 42 cases (52%). The first pass effect was achieved more frequently in the CAPTAC group compared with the non-CAPTAC group (52% vs 18%, respectively; P = 0.001). CAPTAC was significantly higher during the period when new generation aspiration catheters were used (67% vs 43%, respectively; P = 0.04). CAPTAC was an independent predictor of achieving the first pass effect (odds ratio, 5.0; 95% confidence interval, 1.8–14; P = 0.001). Achievement of CAPTAC in combined techniques was associated with a significant improvement in the rate of the first pass effect. The use of the newer generation aspiration catheters may contribute to more effect treatment in combined techniques. •We examined the technical aspects of combined technique for successful recanalization.•The position of the aspiration catheter was important for the first pass effect.•Drip monitoring was insufficient indicator for thrombus engagement.

The purpose of this study was to classify patients with severe COVID-19 into more detailed risk groups using coagulation/fibrinolysis, inflammation/immune response, and alveolar/myocardial damage biomarkers, as well as to identify prognostic markers for these patients. These biomarkers were measured every day for eight intensive care unit days in 54 adult patients with severe COVID-19. The patients were classified into survivor ( n  = 40) and non-survivor ( n  = 14) groups. Univariate and multivariate analyses showed that the combined measurement of platelet count and presepsin concentrations may be the most valuable for predicting in-hospital death, and receiver operating characteristic curve analysis further confirmed this result (area under the curve = 0.832). Patients were consequently classified into three groups (high-, medium-, and low-risk) on the basis of their cutoff values (platelet count 53 × 10 3 /µL, presepsin 714 pg/mL). The Kaplan–Meier curve for 90-day survival by each group showed that the 90-day mortality rate significantly increased as risk level increased ( P  < 0.01 by the log-rank test). Daily combined measurement of platelet count and presepsin concentration may be useful for predicting in-hospital death and classifying patients with severe COVID-19 into more detailed risk groups.

Exsanguinating hemorrhage is associated with trauma-induced coagulopathy, and both coagulopathy and hemorrhage contribute to trauma–associated mortality [4,5]. [...]early recognition and correction of coagulopathy is an essential step in trauma care. [...]no reports have validated these MT scoring systems in patients with penetrating trauma. [...]the aims of this pilot study were to compare the characteristics of coagulopathy between penetrating and blunt trauma patients and to assess the utility of these scoring systems (ABC, TASH, and TBSS) for MT in penetrating trauma cases.2 Methods This retrospective observational study was approved by the ethics committee of the Fukuoka University Hospital (No. 18-6-08) and the Kochi Health Sciences Center (No. 181040). The area under the receiver operating characteristic (ROC) curves for ABC, TASH, and TBSS for MT were compared between the penetrating and the blunt groups. [...]the optimal cutoff values for each trauma scale were defined using the Youden index.2.1 Statistical analysis All statistical analyses were performed using JMP version 13 (SAS Institute Inc., Cary, NC). LDH and CK were significantly lower in the penetrating group than in the blunt group (P < 0.01 for both). [...]ISS scores, especially those for Thorax and Extremities of AIS, and the frequency of transcatheter abdominal arterial embolization within 24 h after admission was significantly lower in the penetrating group than in the blunt group (P < 0.05 for both).

Background Sepsis is one of the most significant causes of mortality in intensive care units. It indicates crosstalk between inflammation and coagulation. In this study, we aimed to identify prognostic markers among sepsis biomarkers and coagulation/fibrinolysis markers. Methods Patients with sepsis according to the Sepsis-3 criteria were enrolled from January 2013 to September 2015. Univariate and multivariate logistic regression analyses were performed to identify an independent predictive marker of 28-day mortality among sepsis biomarkers and coagulation/fibrinolysis markers on ICU admission. Receiver operating characteristic analysis was performed; the optimal cutoff value of 28-day mortality was calculated using the predictive marker. Patients were classified into two groups according to the cutoff level of the predictive marker. Patient characteristics were compared between the groups. Results A total of 186 patients were enrolled in this study; the 28-day mortality was 19.4% (36/186). PAI-1 was identified as the only independent predictive marker of 28-day mortality by univariate and multivariate logistic regression. The area under the curve was 0.72; the optimal cutoff level was 83 ng/ml (sensitivity, 75%; specificity, 61%). Patients were classified into a higher group (PAI-1 level ≥83 ng/ml; n  = 85) and a lower group (PAI-1 level <83 ng/ml; n  = 101). All disseminated intravascular coagulation (DIC) scores and Sequential Organ Failure Assessment score were significantly higher in the higher group than in the lower group. Conclusions PAI-1 can predict prognosis in sepsis patients. PAI-1 reflects DIC with suppressed fibrinolysis and organ failure, with microthrombi leading to microcirculatory dysfunction.

Background In Japan, the use of risperidone in combination with adrenaline is contraindicated, except in cases of anaphylaxis. Therefore, there is limited clinical evidence regarding the interaction of these two drugs. Here, we report the clinical course of a case of adrenaline-resistant anaphylactic shock induced by a contrast medium injection after a risperidone overdose. Case presentation A man in his 30s was transported to our hospital after attempting suicide by taking 10 mg of risperidone and jumping from a height of 10 m. To determine the location and severity of his injuries, he was injected with an iodinated contrast medium, after which he developed generalized erythema and hypotension and was diagnosed with anaphylactic shock. A 0.5 mg dose of adrenaline was administered with no improvement, followed by another 0.5 mg dose that did not change his blood pressure. After infusion of a sodium bicarbonate solution (8.4%), administration of fresh frozen plasma, and additional administration of adrenaline (0.6–1.2 µg/min), his blood pressure improved, and he recovered from the anaphylactic shock. Conclusions This was a rare case of a risperidone overdose followed by adrenaline-resistant anaphylactic shock. The resistance is likely associated with the high blood concentration of risperidone. Our findings indicate that the potential for decreased adrenergic responsiveness should be considered in patients undergoing risperidone treatment in the event of anaphylactic shock.

Background The purpose of this study was to investigate whether polymyxin B hemoperfusion (PMX-HP) improves the survival of patients with septic shock. Methods This was a retrospective, multicenter study conducted on patients treated during a 3-year period. We performed propensity-score analyses of the Japan Septic Disseminated Intravascular Coagulation (JSEPTIC DIC) study database. The study included data on 1723 patients with septic shock aged 16 years or older. Furthermore, we divided patients into to PMX-HP- and non-PMX-HP-treated groups. The primary endpoint was all-cause hospital mortality; secondary endpoints included intensive care unit (ICU) mortality and number of ICU-free days (ICUFDs) in the first 28 days. Results Of 1,723 eligible patients, 522 had received PMX-HP. Propensity score matching created 262 matched pairs (i.e., 262 patients in each of the non-PMX-HP and PMX-HP groups). The proportion of all-cause hospital mortality was significantly lower in the PMX-HP group than in the non-PMX-HP group (32.8% vs. 41.2%; odds ratio (OR): 0.681; 95% confidence interval (CI): 0.470–0.987; P  = 0.042). The number of ICUFD in the first 28 days was significantly higher in the PMX-HP group than in the non-PMX-HP group (18 (0-22) vs. 14 (0-22) days, respectively; P  = 0.045). On the other hand, there was no significant difference in ICU mortality between the two groups (21.8% vs. 24.4%; OR: 0.844; CI: 0.548–1.300; P  = 0.443). Conclusions Our results strongly suggest that PMX-HP reduces all-cause hospital mortality and length of ICU stay in patients with septic shock.

The oral health of coronavirus disease 2019 (COVID-19) patients in the intensive care unit (ICU) is an important issue in treatment of respiratory failure. We retrospectively investigated the oral health history of severe COVID-19 patients who received extracorporeal membrane oxygenation (ECMO) from April 2020 to December 2020 using the oral assessment guide from Fukuoka University (OAG-F). Nineteen consecutive patients (median age: 62 years) were divided into two groups according to survival (survivors, n = 12; non-survivors, n = 7). A univariate analysis revealed no significant differences between the groups in sex, age, body mass index (BMI), or the number of remaining teeth, whereas the ECMO assistance of non-survivors (median: 34 days) was prolonged in comparison to survivors (median: 8 days; p < 0.05). Among the factors of OAG-F, significant differences were observed between the groups in the conditions of the saliva, mucous membrane, and gingiva. The total scores in non-survivors (median: 19) were significantly higher in comparison to survivors (Median: 15.5), suggesting that the frequency of oral health deterioration was higher in non-survivors (p < 0.05). Taken together, these findings suggest that poor oral health is associated with mortality in COVID-19 patients receiving ECMO in the ICU.

Concerning endovascular treatment for acute ischemic stroke with intracranial vessel occlusion, shortening the door-to-puncture time (DTP) improves the patient's outcome. To determine endovascular treatment, magnetic resonance angiography or computed tomography angiography is performed for occluded vessel detection. Another detection method of internal carotid artery (ICA) occlusion or middle cerebral artery first segment (M1) occlusion is ultrasound (US). Bilateral flow pattern analysis of common carotid arteries by US leads to the diagnosis of ICA or M1 occlusion within a few minutes. Moreover, it can be conducted in the emergency department. The addition of the US for the initial evaluation of vessel occlusion can shorten the DTP. In this study, we evaluated the effectiveness of carotid artery US imaging in detecting large vessel occlusion (LVO) and shortening the DTP. This is a retrospective case-control study. Our analysis was based on the data from 150 patients with LVO or medium vessel occlusion who underwent endovascular revascularization treatment at our hospital between January 2015 and December 2022. Among them, 104 patients who had an anterior circulation vessel occlusion were included. They were divided into the US evaluation group and the non-US evaluation group, and their characteristics, treatment time course, and outcomes were compared. This study included 104 patients with a median age of 81 years (interquartile range: 73-89 years), 57.7% were females, and the pre-stroke modified Rankin Scale (mRS) median was 0.5 (interquartile range: 0-3). Our cohort included advanced aged patients; therefore, this study included 56.7% of patients over 80 years old and 35.6% of pre-stroke mRS over 3. The US (US group) and non-US (non-US group) evaluation groups included 54 and 50 patients, respectively. As magnetic resonance imaging evaluation in the non-US group was performed over the 4.5 hours delayed arrival of patients from the last known well (LKW) to consider the evaluation of tPA administration, selection bias occurred. The US group included high National Institutes of Health Stroke Scale (NIHSS) patients (P = 0.0152) and more ICA occlusions (P = 0.0146). Onset (LKW) to door time was shorter in the US group (median, 75 min (35-146.5 minutes)) than the non-US group (median, 179 minutes (47.3-432.8 minutes); P = 0.0426), and the DTP was shorter for the US group (median, 75.5 minutes (63.8-87.3 minutes)) than for the non-US group (median, 85 minutes (67-129 minutes); P = 0.0102). Statistical difference was not seen in puncture to reperfusion time among the US group (median, 71.5 minutes (51-114 minutes)) and non-US group (median, 67 minutes (42.3-98.5 minutes); P = 0.5581). The onset (LKW) to reperfusion was shorter for the US group (median, 251 minutes (201-327.3 minutes)) than for the non-US group (median, 319 minutes (200-633.5 minutes); P = 0.0348). No statistical differences were seen for thrombolysis in cerebral infarction grade 2b-3 after treatment, improvement of NIHSS, and mRS at 90 days. US is a useful imaging method to identify an anterior circulation LVO. It can distinguish patients with severe internal carotid or middle cerebral artery occlusion from medium vessel occlusion or other peripheral vessel occlusions. US helps to shorten the DTP time of LVO.