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Trauma damage control seeks to limit life-threatening bleeding. Sequential diagnostic and therapeutic approaches are the current standard. Hybrid Room have reduced hemostasis time by integrating different specialties and technologies. Hybrid Rooms seek to control bleeding in an operating room equipped with specialized personnel and advanced technology including angiography, tomography, eFAST, radiography, endoscopy, infusers, cell retrievers, REBOA, etc. Trauma Hybrid Service is a concept that describes a vertical work scheme that begins with the activation of Trauma Code when admitting a severely injured patient, initiating a continuous resuscitation process led by the trauma surgeon who guides transfer to imaging, angiography and surgery rooms according to the patient's condition and the need for specific interventions. Hybrid rooms integrate different diagnostic and therapeutic tools in one same room, reducing the attention time and increasing all interventions effectiveness., Competing Interests: Conflict of Interest: The authors declare that they have no conflict of interest., (Copyright © 2021 Colombia Medica.)

Background: Hemorrhage control for pelvic fractures remains challenging. There are several kinds of hemostatic interventions, including angiography/angioembolization (AG/AE), external fixation (EF), and resuscitative endovascular balloon occlusion of the aorta (REBOA). However, no large studies have been conducted for the comparative review of each intervention. In this study, we examined the usage trend of therapeutic interventions in Japan for patients with pelvic fractures in shock and the influence of these interventions on mortality., Methods: Data of adult patients with pelvic fracture who were in shock were obtained from the Japanese Trauma Data Bank (2004-2014). The primary endpoint was the influence of each intervention (AG/AE, EF, and REBOA) on in-hospital mortality. We also investigated the frequency of each intervention., Results: A total of 3149 patients met all our inclusion criteria. Specifically, 1131 (35.9%), 496 (15.8%), and 256 (8.1%) patients underwent AG, EF, and REBOA interventions, respectively. Therapeutic AE was performed in 690 patients who underwent AG (61.0%). The overall mortality rate was 31.4%. Multiple regression analysis identified that AG/AE (OR 0.64, 95% CI 0.52-0.80) and EF (OR 0.75, 95% CI 0.58-0.98) were significantly associated with survival, whereas REBOA (OR 4.17, 95% CI 3.00-5.82) was significantly associated with worse outcomes., Conclusions: In Japan, patients with pelvic fracture who were in shock had high mortality rates. AG/AE and EF were associated with decreased mortality. AG may benefit from the early detection of arterial bleeding, leading to decreased mortality of patients with pelvic fracture in shock.

Background: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a technique for temporary control of arterial hemorrhage. However, its effectiveness and clinical outcomes are unclear., Methods: Using a nationwide database (2004-2016) in Japan, trauma patients with survival data were identified. Patients were divided between REBOA and non-REBOA groups, and a propensity score was developed using multivariate logistic regression. Survival to discharge was compared between the groups after propensity score matching., Results: Among 82,371 patients included in this study, 385 were treated with REBOA. After propensity score matching, 117 pairs were selected. Survival to discharge was significantly higher among patients treated with REBOA than among those treated without REBOA (53 [45.3%] vs. 38 [32.5%]; odds ratio = 1.72; 95% CI = 1.01-2.93; p = 0.04)., Conclusions: REBOA use was associated with improved survival to discharge and should therefore be considered during the management of severely injured trauma patients., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Introduction: Transcatheter arterial embolization (TAE) has gained importance in the management of maxillofacial fractures with life-threating hemorrhage (MFH). However, clinical evidence supporting the use of TAE has not been clearly established in the literature. Therefore, we evaluated the effectiveness of TAE for MFH, based on data obtained from the Japan Trauma Data Bank., Methods: Patients were identified from Japan Trauma Data Bank entries for the years 2004 to 2014. Inclusion criteria for MFH were defined using the Abbreviated Injury Scale code (Maxilla fracture, LeFort III; blood loss. > 20%). On the basis of the treatment strategy, patients were categorized into either the TAE group or the non-TAE group. A comparative analysis of the demographics, injury characteristics, and outcomes was performed., Results: From among 198,744 documented cases of trauma, a total 118 patients were eligible for the study; 26 of these patients (22.0%) underwent TAE. The Glasgow Coma Scale score was significantly lower in the TAE group than in the non-TAE group (P = 0.019); the other variables did not significantly differ between the groups. Overall, the in-hospital mortality rate was 39.8%, and the median hospital length of stay was 21.0 days (0.0-53.5 days). The in-hospital mortality was significantly lower in the TAE group than in the non-TAE group (23.1% vs 44.6%; odds ratio [OR], 0.37; 95% confidence interval [CI], 0.14-1.02; p = 0.048). However, patients in the TAE group had a longer median hospital length of stay (39.5 [7.3-53.5] vs 14.0 [0.0-55.3] days, p = 0.072). In the logistic regression model, the use of TAE was extracted as the independent predictor for better outcomes after adjusting for potential confounders (OR, 0.32; 95% CI, 0.66-0.88; P = 0.032). Hypotension, a high Injury Severity Score, aged 60 years or older, and a low Glasgow Coma Scale score were also independently associated with mortality, with an OR of 5.48, 3.99, 3.30, and 2.89, respectively., Conclusions: Cases of MFH are rare, but they are associated with a high mortality. Transcatheter arterial embolization use appears to lead to successful outcomes in such cases. Further studies are required to confirm the efficacy of TAE and evaluate its indications and complications.

Objectives: Gasping has been found to be associated with improved ventilation, stroke volume, and cerebral blood flow (CBF) during untreated ventricular fibrillation. However, its effects have not been thoroughly assessed during fatal hemorrhagic shock. In this study, we hypothesized that gasping increases CBF during fatal hemorrhagic shock., Methods: Ten male Wistar rats (body weight: 195-225g) were intraperitoneally anesthetized with sodium pentobarbital (50mg/kg). Arterial pressure was recorded in the left femoral artery. Respiratory thoracic movements were recorded with a pressure sensor placed under the animal's back. The left carotid artery was cannulated to continuously withdraw blood (0.1ml/min) as a means of inducing hemorrhagic shock. CBF was measured with a laser flow meter., Results: The arterial pulse wave was lost after withdrawing 7.3+/-0.9ml of blood and at that point, spontaneous gasping developed in all of the animals. CBF averaged 48.8+/-8.8ml/(min100g-brain) under control conditions before the start of blood withdrawal, and it decreased significantly to 4.4% of baseline during the pulseless state (P<0.01). The gasping, observed during in the pulseless state increased CBF to an average of 54.2% of baseline (P<0.01)., Conclusions: Gasping was observed during fatal hemorrhagic shock and generated large increases in CBF. The forceful contraction of the inspiratory muscles during gasping may increase CBF by decreasing intrathoracic pressure, which increases venous return to the heart.

Colonic diverticular disease has been increasing in prevalence in Japan due to the rapidly aging population. Colonic diverticular bleeding can result in hemorrhagic shock requiring blood transfusion, and it carries a high risk of recurrence within 1 year. Colonic diverticulitis can cause abscess, fistula formation, and perforation of the colon that may require surgery, and it often recurs. As a result, patients with colonic diverticular disease are often bothered by required frequent examinations, re-hospitalization, and a consequent decrease in quality of life. However, the management of diverticular disease differs between Japan and Western countries. For example, computed tomography (CT) is readily accessible at Japanese hospitals, so urgent CT may be selected as the first diagnostic procedure for suspected diverticular disease. Endoscopic clipping or band ligation may be preferred as the first endoscopic procedure for diverticular bleeding. Administration of antibiotics and complete bowel rest may be considered as first-line therapy for colonic diverticulitis. In addition, diverticula occur mainly in the sigmoid colon in Western countries, whereas the right side or bilateral of the colon is more commonly involved in Japan. As such, diverticular disease in the right-side colon is more prevalent in Japan than in Western countries. Against this background, concern is growing about the management of colonic diverticular disease in Japan and there is currently no practice guideline available. To address this situation, the Japanese Gastroenterological Association decided to create a clinical guideline for colonic diverticular bleeding and colonic diverticulitis in collaboration with the Japanese Society of Gastroenterology, Japan Gastroenterological Endoscopy Society, and Japanese Society of Interventional Radiology. The steps taken to establish this guideline involved incorporating the concept of the GRADE system for rating clinical guidelines, developing clinical questions (CQs), accumulating evidence through a literature search and review, and developing the Statement and Explanation sections. This guideline includes 2CQs for colonic diverticulosis, 24 CQs for colonic diverticular bleeding, and 17 CQs for diverticulitis. [ABSTRACT FROM AUTHOR]

Introduction. Transarterial chemoembolization (TACE) is the first-line therapy for patient with unresectable hepatocellular carcinoma (HCC). Although TACE is a generally safe procedure, major complications can be occurred. We describe a patient with rupture of HCC after TACE followed by gastric bleeding. Case Presentation. An 81-year-old man presented with worsening epigastric pain. He had been diagnosed with multiple HCC with nonalcoholic steatohepatitis and underwent TACE 19 days previously. A contrast enhanced computed tomography (CT) scan of the abdomen showed rupture of an HCC. He was treated nonoperatively and discharged on hospital day 18. Five weeks after TACE, he was emergently admitted with massive hematochezia and shock. A contrast enhanced CT scan demonstrated extrinsic gastric compression by an HCC lesion with extravasation of contrast into the stomach. Emergent upper gastrointestinal endoscopy showed a bleeding gastric ulcer with extraluminal compression which was successfully controlled by hypertonic saline-epinephrine injection. Due to tumor progression, he was discharged for palliative care and died six weeks after TACE. Conclusion. Rupture of HCC is a life-threatening complication after TACE with mortality rates up to 50%. After treatment of a ruptured HCC, extragastric compression and bleeding can occur due to direct compression by a primary lesion or intraperitoneal dissemination. [ABSTRACT FROM AUTHOR]