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OBJECTIVE: Falls are a serious cause of morbidity and mortality among older people. One of the underlying causes of falls is dehydration. Therefore, ultrasonography has become an essential tool for evaluating volume status in the emergency department. However, the effect of volume status on falls in older people has not been evaluated before. The aim of this study was to determine the relationship between the inferior vena cava collapsibility index and the injury severity score in older patients who presented with fall-related injuries to the emergency department. METHODS: A total of 66 patients were included in the study. The injury severity score was used as the trauma severity score, and the Edmonton Frail Scale was used as the frailty scale. Volume status was evaluated with inferior vena cava collapsibility index. The primary outcome measure was defined as the correlation between inferior vena cava collapsibility index and injury severity score. Secondary outcome measures were defined as the effect of inferior vena cava collapsibility index and injury severity score on hospitalization and mortality. RESULTS: There was no significant correlation between injury severity score and inferior vena cava collapsibility index (p=0.342). Neither inferior vena cava collapsibility index nor injury severity score was an indicator of the mortality of these patients. However, injury severity score was an indicator of hospitalization. The mean Edmonton Frail Scale score was an indicator of mortality among older people who experienced falls (p=0.002). CONCLUSION: Inferior vena cava collapsibility index cannot be used to predict trauma severity in older patients who have experienced falls admitted to the emergency department.

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The shock index (SI) has been associated with predicting transfusion needs in trauma patients. However, its utility in penetrating thoracic trauma (PTTrauma) for predicting the Critical Administration Threshold (CAT) has not been well-studied. This study aimed to evaluate the prognostic value of SI in predicting CAT in PTTrauma patients and compare its performance with the Assessment of Blood Consumption (ABC) and Revised Assessment of Bleeding and Transfusion (RABT) scores. We conducted a prognostic type 2, single-center retrospective observational cohort study on patients with PTTrauma and an Injury Severity Score (ISS) > 9. The primary exposure was SI at admission, and the primary outcome was CAT. Logistic regression and decision curve analysis were used to assess the predictive performance of SI and the PTTrauma score, a novel model incorporating clinical variables. Of the 620 participants, 53 (8.5%) had more than one CAT. An SI > 0.9 was associated with CAT (adjusted OR 4.89, 95% CI 1.64-14.60). The PTTrauma score outperformed SI, ABC, and RABT scores in predicting CAT (AUC 0.867, 95% CI 0.826-0.908). SI is a valuable predictor of CAT in PTTrauma patients. The novel PTTrauma score demonstrates superior performance compared to existing scores, highlighting the importance of developing targeted predictive models for specific injury patterns. These findings can guide clinical decision-making and resource allocation in the management of PTTrauma.

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INTRODUCTION: measuring the severity of traumatic injuries is crucial for predicting clinical outcomes. Whereas the Injury Severity Score (ISS) has limitations in assigning scores to injuries at the same site, the New Injury Severity Score (NISS) corrects for this problem by taking into account the three most severe injuries regardless of the region of the body. This study seeks to comprehend the clinical and epidemiological profile of trauma patients while comparing the effectiveness of scales for predicting mortality. METHODS: a descriptive, observational and retrospective study using records of patients who underwent thoracotomy at the Hospital das Clínicas of the Federal University of Triângulo Mineiro between 2000 and 2019. Demographic data, mechanisms of injury, affected organs, length of stay and mortality were analyzed. Injury severity was assessed using the ISS and NISS, and statistical analyses were conducted using MedCalc and SigmaPlot. RESULTS: 101 patients were assessed, on average 29.6 years old, 86.13% of whom were men. The average duration of hospitalization was 10.9 days and the mortality rate was 28.7%. The ROC curve analysis revealed a sensitivity of 68.97%, specificity of 80.56% and area under the curve of 0.837 for the ISS, and 58.62%, 94.44% and 0.855 for the NISS, respectively. The Youden index was 0.49 for the ISS and 0.53 for the NISS. CONCLUSION: the study demonstrated comparable efficacy of NISS and ISS in predicting mortality. These findings hold significance in the hospital setting. Professionals must be familiar with these scales to utilize them competently for each patient.

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INTRODUCTION: Direct transport from the scene of injury to a trauma centre reduces saves lives. In Ontario, paramedics use the field trauma triage standard (FTTS) to determine if a patient meets trauma bypass criteria. Recent studies have questioned the efficacy of the FTTS in identifying severely injured patients. The objective of this study was to determine the predictive performance of the FTTS on the need for trauma center care in patients who were transported to a trauma center. METHODS: This was a single-center health records study of patients transported by ambulance directly to a level 1 trauma center. Hospital based trauma center need and injury severity score-based need were defined. Bivariate associations with one or more FTTS criteria were tested using the Wilcoxon two-sample test for continuous variables, and the Chi-square or Fisher's exact test for categorical indicators. The sensitivity and specificity of each category of the FTTS were calculated. RESULTS: There were 1427 patients included in the study, with 76% men, mean age of 40, and 76% had a blunt mechanism. The overall sensitivity and specificity of the FTTS was 90.9% and 20.8% for hospital-based need and 91.6% and 20.3 for injury severity need. The most sensitive variable for hospital-based need was physiologic criteria (53.7). Mechanism of injury was the most sensitive criteria for injury severity need (54.8). Physiological criteria had the highest association with hospital-based and injury severity need (adjusted odds ratios 7.5 [95% CI 5.8-9.8] and 5.1 [95% CI 3.9-6.7]). CONCLUSIONS: The FTTS has fair performance in identifying the need for hospital-based and injury severity need. Systolic blood pressure less than 90 mmHg, Glasgow Coma Scale (motor) less than 6, and falls greater than 6 m were most predictive of trauma center need. Improving prehospital trauma triage is critical to ensure timely transport to a trauma centre.

RéSUMé: INTRODUCTION: Le transport direct de la scène de la blessure à un centre de traumatologie permet de sauver des vies. En Ontario, les ambulanciers paramédicaux utilisent la norme de triage des traumatismes sur le terrain (FTTS) pour déterminer si un patient répond aux critères de pontage traumatique. Des études récentes ont remis en question l'efficacité du FTTS dans l'identification des patients gravement blessés. L'objectif de cette étude était de déterminer la performance prédictive du FTTS sur le besoin de soins en centre de traumatologie chez les patients qui ont été transportés dans un centre de traumatologie. MéTHODES: Il s'agissait d'une étude des dossiers médicaux d'un seul centre portant sur des patients transportés par ambulance directement à un centre de traumatologie de niveau 1. Les besoins des centres de traumatologie hospitaliers et les besoins basés sur le score de gravité des blessures ont été définis. Les associations bivariées avec un ou plusieurs critères FTTS ont été testées à l'aide du test à deux échantillons de Wilcoxon pour les variables continues et du test de Fisher pour les indicateurs catégoriels. La sensibilité et la spécificité de chaque catégorie du FTTS ont été calculées. RéSULTATS: Il y avait 1427 patients inclus dans l'étude, avec 76% d'hommes, âge moyen de 40, et 76% avaient un mécanisme émoussé. La sensibilité et la spécificité globales du FTTS étaient de 90,9 % et de 20,8 % pour les besoins hospitaliers et de 91,6 % et de 20,3 % pour les besoins de gravité des blessures. La variable la plus sensible pour les besoins hospitaliers était les critères physiologiques (53,7). Le mécanisme de blessure était le critère le plus sensible pour le besoin de gravité de la blessure (54,8). Les critères physiologiques étaient les plus associés aux besoins hospitaliers et aux besoins en matière de gravité des blessures (rapports de cotes ajustés de 7,5 [IC à 95 % 5,8-9,8] et 5,1 [IC à 95 % 3,9-6,7]). CONCLUSION: Le FTTS a un rendement équitable pour ce qui est de déterminer le besoin de soins hospitaliers et de gravité des blessures. La pression artérielle systolique inférieure à 90mmHg, l'échelle de coma de Glasgow (moteur) inférieure à 6 et les chutes supérieures à 6m étaient les plus prédictives des besoins du centre de traumatologie. L'amélioration du triage des traumatismes avant l'hospitalisation est essentielle pour assurer un transport rapide vers un centre de traumatologie.

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INTRODUCTION: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a potential tool for the management of massive gastrointestinal bleeding (MGB). This study aims to describe the experience of the use of REBOA as adjunctive therapy in patients with MGB and to evaluate its effectiveness. METHODS: Serial cases of patients with hemorrhagic shock secondary to MGB in whom REBOA was placed were collected. Patient demographics, bleeding severity, etiology, management, and clinical outcomes were recorded. RESULTS: Between 2017 and 2020, five cases were analyzed. All patients had a severe gastrointestinal bleeding (Glasgow Blatchford Bleeding Score range 12-17; Clinical Rockal Score range 5-9). The etiologies of MGB were perforated gastric or duodenal ulcers, esophageal varices, and vascular lesions. Systolic blood pressure increased after REBOA placement and total occlusion time was 25-60 min. REBOA provided temporary hemorrhage control in all cases and allowed additional hemostatic maneuvers to be performed. Three patients survived more than 24 h. All patients died in index hospitalization. The main cause of death was related to hemorrhagic shock. CONCLUSIONS: Endovascular aortic occlusion can work as a bridge to further resuscitation and attempts at hemostasis in patients with MGB. REBOA provides hemodynamic support and may be used simultaneously with other hemostatic maneuvers, facilitating definitive hemorrhage control.

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OBJECTIVE: The aim of this study was to evaluate the association of annual trauma patient volume on outcomes for emergency medical services (EMS) agencies. BACKGROUND: Regionalization of trauma care saves lives. The underlying concept driving this is a volume-outcome relationship. EMS are the entry point to the trauma system, yet it is unknown if a volume-outcome relationship exists for EMS. METHODS: A retrospective analysis of prospective cohort including 8 trauma centers and 20 EMS air medical and metropolitan ground transport agencies. Patients 18 to 90 years old with injury severity scores ≥9 transported from the scene were included. Patient and agency-level risk-adjusted regression determined the association between EMS agency trauma patient volume and early mortality. RESULTS: A total of 33,511 were included with a median EMS agency volume of 374 patients annually (interquartile range: 90-580). Each 50-patient increase in EMS agency volume was associated with 5% decreased odds of 6-hour mortality (adjusted odds ratio=0.95; 95% CI: 0.92-0.99, P =0.03) and 3% decreased odds of 24-hour mortality (adjusted odds ratio=0.97; 95% CI: 0.95-0.99, P =0.04). Prespecified subgroup analysis showed EMS agency volume was associated with reduced odds of mortality for patients with prehospital shock, requiring prehospital airway placement, undergoing air medical transport, and those with traumatic brain injury. Agency-level analysis demonstrated that high-volume (>374 patients/year) EMS agencies had a significantly lower risk-standardized 6-hour mortality rate than low-volume (<374 patients/year) EMS agencies (1.9% vs 4.8%, P <0.01). CONCLUSIONS: A higher volume of trauma patients transported at the EMS agency level is associated with improved early mortality. Further investigation of this volume-outcome relationship is necessary to leverage quality improvement, benchmarking, and educational initiatives.

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BACKGROUND: Little is known about the performance of severity indices for indicating intensive care and predicting mortality in the Intensive Care Unit (ICU) of trauma patients. This study aimed to compare the performance of severity indices to predict trauma patients' ICU admission and mortality. METHODS: A retrospective cohort study which analyzed the electronic medical records of trauma patients aged ≥ 18 years, treated at a hospital in Brazil, between 2014 and 2017. Physiological [Revised Trauma Score (RTS), New Trauma Score (NTS) and modified Rapid Emergency Medicine Score (mREMS)], anatomical [Injury Severity Score (ISS) and New Injury Severity Score (NISS)] and mixed indices [Trauma and Injury Severity Score (TRISS), New Trauma and Injury Severity Score (NTRISS), Base-deficit Injury Severity Score (BISS) and Base-deficit and New Injury Severity Score (BNISS)] were compared in analyzing the outcomes (ICU admission and mortality) using the Area Under the Receiver Operating Characteristics Curves (AUC-ROC). RESULTS: From the 747 trauma patients analyzed (52.5% female; mean age 51.5 years; 36.1% falls), 106 (14.2%) were admitted to the ICU and 6 (0.8%) died in the unit. The ISS (AUC 0.919) and NISS (AUC 0.916) had better predictive capacity for ICU admission of trauma patients. The NISS (AUC 0.949), TRISS (AUC 0.909), NTRISS (AUC 0.967), BISS (AUC 0.902) and BNISS (AUC 0.976) showed excellent performance in predicting ICU mortality. CONCLUSIONS: Anatomical indices showed excellent predictive ability for admission of trauma patients to the ICU. The NISS and the mixed indices had the best performances regarding mortality in the ICU.

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Background: Patients with thoracolumbar fractures with TLICS 4 classification are at the limit of surgical fixation with regards to conservative treatment; however, results in our environment are not known, which is why this study has innovative characteristics. Objective: To determine the quality of life in patients with TLICS 4 thoracolumbar fractures using traditional fixation with regards to no fixation in a third level hospital. Material and methods: A cohort prospective study was carried out in patients with TLICS 4 classification thoracolumbar fractures using traditional fixation with regards to no fixation in beneficiaries from the Mexican Institute for Social Security. The SF-12 instrument, which assessed quality of life, was administered; age, sex, days of hospitalization, time of spinal cord injury were searched in the patients' medical history. It was used descriptive and inferential statistics using Student's t or Mann-Whitney U. Results: 20 patients participated and 9 had traditional fixation (45%). All patients had type E spinal cord injuries according to the International Standards for Neurological Classification of Spinal Cord Injury. Mean age of non-fixation was 42.2 ± 12.9 and of fixation 44.9 ± 10.2; in non-fixation 6 (67%) were male. The quality of life score was 29.1 ± 0.9 in the conservative treatment and 28.7 ± 1.3 in the surgical treatment, p < 0.462. Conclusions: No differences in quality of life were observed in patients with TLICS 4 thoracolumbar fractures using traditional fixation with regards to no fixation.

Introducción: los pacientes con fracturas toracolumbares con clasificación TLICS 4 se encuentran en el límite de la fijación quirúrgica con respecto al tratamiento conservador; sin embargo, resultados en nuestro medio no son conocidos, por lo que este estudio tiene características innovadoras. Objetivo: determinar la calidad de vida en pacientes con fracturas toracolumbares clasificación TLICS 4, mediante fijación tradicional con respecto a no fijación en un hospital de tercer nivel. Material y métodos: estudio de cohorte prospectiva en pacientes con fracturas toracolumbares clasificación TLICS 4 mediante fijación tradicional con respecto a no fijación en población derechohabiente del Instituto Mexicano del Seguro Social (IMSS). Se aplicó el instrumento SF-12, que evaluó la calidad de vida; se buscó en los expedientes de los pacientes edad, sexo, días de hospitalización, tiempo de lesión medular. Se usó estadística descriptiva e inferencial mediante t de Student o U de Mann Whitney. Resultados: participaron 20 pacientes y 9 (45%) tuvieron fijación tradicional. Todos los pacientes pertenecían a la clase E según las Normas Internacionales para la Clasificación Neurológica de lesiones de la médula espinal. Edad media de no fijación con 42.2 ± 12.9 y de fijación 44.9 ± 10.2; en no fijación, 6 (67%) eran varones. La puntuación de calidad de vida fue en el tratamiento conservador con 29.1 ± 0.9 y quirúrgico 28.7 ± 1.3, p < 0.462. Conclusiones: no se observaron diferencias en la calidad de vida en pacientes con fracturas toracolumbares clasificación TLICS 4 mediante fijación tradicional y no fijación.

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Background: Patients with thoracolumbar fractures with TLICS 4 classification are at the limit of surgical fixation with regards to conservative treatment; however, results in our environment are not known, which is why this study has innovative characteristics. Objective: To determine the quality of life in patients with TLICS 4 thoracolumbar fractures using traditional fixation with regards to no fixation in a third level hospital. Material and methods: A cohort prospective study was carried out in patients with TLICS 4 classification thoracolumbar fractures using traditional fixation with regards to no fixation in beneficiaries from the Mexican Institute for Social Security. The SF-12 instrument, which assessed quality of life, was administered; age, sex, days of hospitalization, time of spinal cord injury were searched in the patients' medical history. It was used descriptive and inferential statistics using Student's t or Mann-Whitney U. Results: 20 patients participated and 9 had traditional fixation (45%). All patients had type E spinal cord injuries according to the International Standards for Neurological Classification of Spinal Cord Injury. Mean age of non-fixation was 42.2 ± 12.9 and of fixation 44.9 ± 10.2; in non-fixation 6 (67%) were male. The quality of life score was 29.1 ± 0.9 in the conservative treatment and 28.7 ± 1.3 in the surgical treatment, p < 0.462. Conclusions: No differences in quality of life were observed in patients with TLICS 4 thoracolumbar fractures using traditional fixation with regards to no fixation.

Introducción: los pacientes con fracturas toracolumbares con clasificación TLICS 4 se encuentran en el límite de la fijación quirúrgica con respecto al tratamiento conservador; sin embargo, resultados en nuestro medio no son conocidos, por lo que este estudio tiene características innovadoras. Objetivo: determinar la calidad de vida en pacientes con fracturas toracolumbares clasificación TLICS 4, mediante fijación tradicional con respecto a no fijación en un hospital de tercer nivel. Material y métodos: estudio de cohorte prospectiva en pacientes con fracturas toracolumbares clasificación TLICS 4 mediante fijación tradicional con respecto a no fijación en población derechohabiente del Instituto Mexicano del Seguro Social (IMSS). Se aplicó el instrumento SF-12, que evaluó la calidad de vida; se buscó en los expedientes de los pacientes edad, sexo, días de hospitalización, tiempo de lesión medular. Se usó estadística descriptiva e inferencial mediante t de Student o U de Mann Whitney. Resultados: participaron 20 pacientes y 9 (45%) tuvieron fijación tradicional. Todos los pacientes pertenecían a la clase E según las Normas Internacionales para la Clasificación Neurológica de lesiones de la médula espinal. Edad media de no fijación con 42.2 ± 12.9 y de fijación 44.9 ± 10.2; en no fijación, 6 (67%) eran varones. La puntuación de calidad de vida fue en el tratamiento conservador con 29.1 ± 0.9 y quirúrgico 28.7 ± 1.3, p < 0.462. Conclusiones: no se observaron diferencias en la calidad de vida en pacientes con fracturas toracolumbares clasificación TLICS 4 mediante fijación tradicional y no fijación.

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OBJECTIVE: In our study, it was aimed to compare the power of trauma scores (Glasgow Coma Score, Revised Trauma Score, Abbreviated Injury Scale, Injury Severity Score, and Trauma Score-Injury Severity Score) in order to predict mortality in patients with geriatric trauma and to determine the predictive values of these scores in mortality. METHODS: Demographic data, clinical features, etiological causes, laboratory results, and trauma scores of the patients were statistically analyzed. SPSS 20 for Windows was used for this evaluation. RESULTS: It was determined that as the Glasgow Coma Score value of the patients increased, the Abbreviated Injury Scale and Injury Severity Score scores decreased and the Trauma Score-Injury Severity Score score increased. Abbreviated Injury Scale and Injury Severity Score values increased and Revised Trauma Score and Trauma Score-Injury Severity Score values decreased as the lactate levels of the patients increased. It was determined that the Abbreviated Injury Scale and Injury Severity Score scores of the patients hospitalized in the intensive care unit were significantly higher, while their Trauma Score-Injury Severity Score scores were lower. CONCLUSION: Glasgow Coma Score, Revised Trauma Score, Trauma Score-Injury Severity Score, Abbreviated Injury Scale, and Injury Severity Score scores and blood lactate levels are important parameters that can be used in the emergency department for the early detection of high-risk patients in geriatric trauma and the evaluation of the prognosis of geriatric trauma patients.

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OBJECTIVES: Literature characterizing pediatric perineal trauma is sparse and generally limited to females. The purpose of this study was to characterize pediatric perineal injuries with specific focus on patient demographics, mechanisms of injury, and care patterns at a regional level 1 pediatric trauma center. METHODS: Retrospective review of children aged younger than 18 years evaluated at a level 1 pediatric trauma center from 2006 to 2017. Patients were identified by International Classification of Diseases-9 and 10 codes. Extracted data included demographics, injury mechanism, diagnostic studies, hospital course, and structures injured. The χ 2 and t tests were used to examine differences between subgroups. Machine learning was used to predict variable importance in determining the need for operative interventions. RESULTS: One hundred ninety-seven patients met inclusion criteria. Mean age was 8.5 years. A total of 50.8% were girls. Blunt trauma accounted for 83.8% of injuries. Motor vehicle collisions and foreign bodies were more common in patients aged 12 years and older, whereas falls and bicycle-related injuries were more common in those younger than 12 years ( P < 0.01). Patients younger than 12 years were more likely to sustain blunt trauma with isolated external genital injuries ( P < 0.01). Patients aged 12 and older had a higher incidence of pelvic fractures, bladder/urethral injuries, and colorectal injuries, suggesting more severe injury patterns ( P < 0.01). Half of patients required operative intervention. Children aged 3 years or younger and older than 12 years had longer mean hospital stays compared with children aged 4 to 11 years ( P < 0.01). Mechanism of injury and age constituted more than 75% of the variable importance in predicting operative intervention. CONCLUSIONS: Perineal trauma in children varies by age, sex, and mechanism. Blunt mechanisms are the most common, with patients frequently requiring surgical intervention. Mechanism of injury and age may be important in deciding which patients will require operative intervention. This study describes injury patterns in pediatric perineal trauma that can be used to guide future practice and inform injury prevention efforts.

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STUDY DESIGN: Global cross-sectional survey. OBJECTIVE: The objective of this study was to validate the hierarchical nature of the AO Spine Sacral Classification System and develop an injury scoring system. SUMMARY OF BACKGROUND DATA: Although substantial interobserver and intraobserver reliability of the AO Spine Sacral Classification System has been established, the hierarchical nature of the classification has yet to be validated. METHODS: Respondents numerically graded each variable within the classification system for severity. Based on the results, a Sacral AO Spine Injury Score (AOSIS) was developed. RESULTS: A total of 142 responses were received. The classification exhibited a hierarchical Injury Severity Score (ISS) progression (A1: 8 to C3: 95) with few exceptions. Subtypes B1 and B2 fractures showed no significant difference in ISS (B1 43.9 vs. B2 43.4, P =0.362). In addition, the transitions A3→B1 and B3→C0 represent significant decreases in ISS (A3 66.3 vs. B1 43.9, P <0.001; B3 64.2 vs. C0 46.4, P <0.001). Accordingly, A1 injury was assigned a score of 0. A2 and A3 received scores of 1 and 3 points, respectively. Posterior pelvic injuries B1 and B2 both received a score of 2. B3 received a score of 3 points. C0, C1, C2, and C3 received scores of 2, 3, 5, and 6 points, respectively. The scores assigned to neurological modifiers N0, N1, N2, N3, and NX were 0, 1, 2, 4, and 3, respectively. Case-specific modifiers M1, M2, M3, and M4 received scores of 0, 0, 1, and 2 points, respectively. CONCLUSIONS: The results of this study validate the hierarchical nature of the AO Spine Sacral Classification System. The Sacral AOSIS sets the foundation for further studies to develop a universally accepted treatment algorithm for the treatment of complex sacral injuries. LEVEL OF EVIDENCE: Level IV-Diagnostic.

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INTRODUCTION: trauma is the leading cause of death for the age group from 1 to 49 years in Brazil. Non-Operative Management (NOM) is the gold standard in trauma centers and does not affect mortality in comparison to operative treatment. METHODS: medical records were reviewed for 114 patients with blunt liver trauma treated at Hospital das Clínicas of the Federal University of Uberlândia (HC-UFU) from November 2015 to November 2020. RESULTS: the most prevalent gender was masculine (74.5%). The most prevalent age group was 20 to 49 years (65.7%). The majority of admitted patients (60.5%) had an Injury Severity Score (ISS) of more than 15. On hospital admission, 30.7% had HR above 100 bpm and 30.70% had SBP below 100mmHg. NOM was implemented in 77.2% of patients, the failure rate was 11.36% and the specific failure rate, excluding complications of associated injuries that resulted in surgery, was 1.75%. One third of deaths were due to severe traumatic brain injury. CONCLUSION: the failure rate of NOM in this study is similar to the literature reports for liver trauma. The failure rate, excluding complications of associated injuries, is considered low. The recognition of the epidemiological profile of patients admitted at HC-UFU allows multidisciplinary and integrated care with specialized training, as well as the development of institutional protocols, aiming to reduce morbidity and mortality related to hepatic trauma.

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OBJECTIVE: Evaluate the association of survival with helicopter transport directly to a trauma center compared with ground transport to a non-trauma center (NTC) and subsequent transfer. SUMMARY BACKGROUND DATA: Helicopter transport improves survival after injury. One potential mechanism is direct transport to a trauma center when the patient would otherwise be transported to an NTC for subsequent transfer. METHODS: Scene patients 16 years and above with positive physiological or anatomic triage criteria within PTOS 2000-2017 were included. Patients transported directly to level I/II trauma centers by helicopter were compared with patients initially transported to an NTC by ground with a subsequent helicopter transfer to a level I/II trauma center. Propensity score matching was used to evaluate the association between direct helicopter transport and survival. Individual triage criteria were evaluated to identify patients most likely to benefit from direct helicopter transport. RESULTS: In all, 36,830 patients were included. Direct helicopter transport was associated with a nearly 2-fold increase in odds of survival compared with NTC ground transport and subsequent transfer by helicopter (aOR 2.78; 95% CI 2.24-3.44, P <0.01). Triage criteria identifying patients with a survival benefit from direct helicopter transport included GCS≤13 (1.71; 1.22-2.41, P <0.01), hypotension (2.56; 1.39-4.71, P <0.01), abnormal respiratory rate (2.30; 1.36-3.89, P <0.01), paralysis (8.01; 2.03-31.69, P <0.01), hemothorax/pneumothorax (2.34; 1.36-4.05, P <0.01), and multisystem trauma (2.29; 1.08-4.84, P =0.03). CONCLUSIONS: Direct trauma center access is a mechanism driving the survival benefit of helicopter transport. First responders should consider helicopter transport for patients meeting these criteria who would otherwise be transported to an NTC.

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OBJECTIVE: The aim of this study was to investigate the impact of the US-Mexico border wall height extension on traumatic brain injuries (TBIs) and related costs. METHODS: In this retrospective cohort study, patients who presented to the UC San Diego Health Trauma Center for injuries from falling at the border wall between 2016 and 2021 were considered. Patients in the pre-height extension period (January 2016-May 2018) were compared with those in the post-height extension period (January 2020-December 2021). Demographic characteristics, clinical data, and hospital charges were analyzed. RESULTS: A total of 383 patients were identified: 51 (0 TBIs, 68.6% male) in the pre-height extension cohort and 332 (14 TBIs, 77.1% male) in the post-height extension cohort, with mean ages of 33.5 and 31.5 years, respectively. There was an increase in the average number of TBIs per month (0.0 to 0.34) and operative TBIs per month (0.0 to 0.12). TBIs were associated with increased Injury Severity Score (8.8 vs 24.2, p < 0.001), median (IQR) hospital length of stay (5.0 [2-11] vs 8.5 [4-45] days, p = 0.03), and median (IQR) hospital charges ($163,490 [$86,369-$277,918] vs $243,658 [$136,769-$1,127,920], p = 0.04). TBIs were normalized for changing migration rates on the basis of Customs and Border Protection apprehensions. CONCLUSIONS: This heightened risk of intracranial injury among vulnerable immigrant populations poses ethical and economic concerns to be addressed regarding border wall infrastructure.

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OBJECTIVE: We analyzed helicopter emergency medical services (HEMS) and ground emergency medical services (GEMS) crash data in the United States during 1983 to 2020 to compare incidences of total, fatal, and injury crashes. METHODS: HEMS and GEMS total, fatal, and injury crashes during 1983 to 2020 and 1988 to 2020, respectively, were analyzed in this retrospective study. Data were obtained from the National Transportation Safety Board and the National Highway Traffic Safety Administration. Additional data from the Federal Aviation Administration, the National Emergency Medical Services Information System, and prior literature were used for rate calculations. A Poisson regression model was used to determine rate ratios with 95% confidence intervals comparing total, fatal, and injury crash rates from 2016 to 2020. RESULTS: HEMS crash rates decreased since 1983. Total GEMS crashes have increased since 1988. Of the total crashes, 33% (HEMS) and 1% (GEMS) were fatal, and 20% (HEMS) and 31% (GEMS) resulted in injury. During 2016 to 2020, GEMS crash rates were 11.0 times higher than HEMS crash rates (95% confidence interval, 5.2-23.3; P < .0001). CONCLUSION: HEMS has a lower crash probability than GEMS. The availability of data is a limitation of this study. National GEMS transportation data could be useful in studying this topic further.

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PURPOSE: To evaluate predictive and associated risk factors for nephrectomy in renal trauma and assess a 6-point score for surgical decision-making. PATIENTS AND METHODS: This multicenter, retrospective, and observational study assessed 247 subjects with blunt or penetrating kidney trauma. Kidney injuries were classified according to the American Association for the Surgery of Trauma (AAST) Injury Scoring Scale. Renal trauma was classified as "low-grade" (Grades I-III), Grade IV, and Grade V. Subjects were compared according to conservative treatment (CTrt.) or nephrectomy. Predictive factors were evaluated with a multiple regression model. A 6-point score was evaluated with a ROC analysis. RESULTS: Patients requiring nephrectomy had a lower mean arterial pressure MAP compared to CTrt, 64.71 mmHg (SD ± 10.26) and 73.86 (SD ± 12.42), respectively (p = < 0.001). A response to IV solutions was observed in 90.2% of patients undergoing CTrt. (p = < 0.001, OR = 0.211, 95%CI = 0.101-0.442). Blood lactate ≥ 4 mmol/L was associated with nephrectomy (p = < 0.001). A hematoma ≥ 25 mm was observed in 41.5% of patients undergoing nephrectomy compared to 20.1% of CTrt. (p = 0.004, OR = 9.29, 95% CI = 1.37-5.58). A logistic regression analysis (p = < 0.001) showed that blood lactate ≥ 4 mmol/L (p = 0.043), an inadequate response to IV solutions (p = 0.041) and renal trauma grade IV-V (p = < 0.001), predicted nephrectomy. A 6-point score with a cut-off value ≥ 3 points showed 83% sensitivity and 87% specificity for nephrectomy with an AUC of 89.9% (p = < 0.001). CONCLUSIONS: An inadequate response to IV solutions, a lactate level ≥ 4 mmol/L, and grade IV-V renal trauma predict nephrectomy. A score ≥ 3 points showed a good performance in this population.

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El Comité Editorial quiere brindar a sus lectores una actualización de las escalas de uso corriente. El empleo de tablas y escalas es una práctica muy extendida en la Ortopedia y Traumatología. La medición y la cuantificación de los aspectos clínicos, funcionales y radiográficos se convirtieron en una herramienta imprescindible para la toma de decisiones en diferentes aspectos de la actividad asistencial. Llevamos a cabo una revisión de las escalas más utilizadas, definiendo su uso e incluyendo bibliografía original y actualizada. Nivel de Evidencia: V

The Editorial Committee wants to provide its readers with an update on the commonly used scales. The use of tables and scales is a widespread practice in Orthopedics and Traumatology. The measurement and quantification of clinical, functional, and radiographic aspects has become an essential tool for decision-making in different aspects of healthcare activity. We carry out a review of the most used scales, defining their use and including original and updated literature. Level of Evidence: V

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Abstract Introduction Multiple myeloma is characterized by proliferation of clonal plasma cells. The identification of prognostics factors to identify patient's risk is important. Among the studied factors, it was identified of relevant importance the lactic dehydrogenase. Objectives To evaluate the impact of the value of DHL in combination with the score ISS in the medium patients overall survival (OS). Methods It is a retrospective cohort with 252 patients with MM recently-diagnosed that attendance in the institution of the study. Results To evaluate the association between DHL and ISS, we found 6 new groups to be analyzed: ISS I and normal DHL with medium overall survival not reached, and with DHL loud with medium OS of 69,8 months, ISS II and normal DHL with medium overall survival of 78,8 months and with DHL loud with medium OS of 73,9 months, ISS III and normal DHL with medium overall survival of 46,7 months and with DHL loud with medium OS of 45,5 months. Conclusion Through the association of ISS I and normal DHL, ISS III and high DHL and others combinations, we build a new score with superior impact prognostic in our population treated in real life.

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