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BACKGROUND: Anti-inflammatory effects of tranexamic acid (TXA) in reducing trauma endotheliopathy may protect from acute lung injury. Clinical data showing this benefit in trauma patients is lacking. We hypothesized that TXA administration mitigates pulmonary complications in penetrating trauma patients. MATERIALS AND METHODS: This is a post-hoc analysis of a multicenter, prospective, observational study of adults (18+ years) with penetrating torso and/or proximal extremity injury presenting at 25 urban trauma centers. Tranexamic acid administration in the prehospital setting or within three hours of admission was examined. Participants were propensity matched to compare similarly injured patients. The primary outcome was development of pulmonary complication (ARDS and/or pneumonia). RESULTS: A total of 2382 patients were included, and 206 (8.6%) received TXA. Of the 206, 93 (45%) received TXA prehospital and 113 (55%) received it within three hours of hospital admission. Age, sex, and incidence of massive transfusion did not differ. The TXA group was more severely injured, more frequently presented in shock (SBP < 90 mmHg), developed more pulmonary complications, and had lower survival (P < 0.01 for all). After propensity matching, 410 patients remained (205 in each cohort) with no difference in age, sex, or rate of shock. On logistic regression, increased emergency department heart rate was associated with pulmonary complications. Tranexamic acid was not associated with different rate of pulmonary complications or survival on logistic regression. Survival was not different between the groups on logistic regression or propensity score-matched analysis. CONCLUSIONS: Tranexamic acid administration is not protective against pulmonary complications in penetrating trauma patients.
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Background: Antibiotics are frequently administered prophylactically to trauma patients with various injury patterns to prevent infectious complications. Trauma patients may also require large volume resuscitation with blood products. Limited data are available to support antibiotic dosing recommendations in this population. We hypothesized that we would be able to develop a population pharmacokinetic model of cefazolin, a frequently used antibiotic in the trauma scenario, from remnant blood samples by pharmacokinetic analysis of trauma patients. Methods: Remnant plasma from standard of care chemistry/hematology assessments was retrieved within 48 h of collection and assayed to determine cefazolin concentrations. Population pharmacokinetic analyses were conducted in Pmetrics using R. Linear regression was conducted to assess the effect of blood product resuscitation volume on cefazolin pharmacokinetic parameters. Results: Cefazolin concentrations best fitted a two-compartment model (Akaike information criterion: 443.9). The mean ± standard deviation parameters were total body clearance (4.3 ± 1.9L), volume of the central compartment (Vc: 7.7 ± 6.9L), and intercompartment transfer constants (k12: 1.3 ± 0.98 h-1, k21: 0.6 ± 0.45 h-1). No statistical relationships were observed between blood products, volume of blood products, and cefazolin clearance or Vc (R2: 0.0004-0.21, p = 0.08-0.95). Using a 5,000-patient Monte Carlo simulation, 2 g with repeated dosing every 2 h until end of surgery was required to achieve 93.2% probability of 100% free time above the minimum inhibitory concentration (MIC) (fT > MIC) at the ECOFF value for Staphylococcus aureus (2 mg/L). Conclusions: In these 15 trauma patients receiving blood transfusion, no relationship with blood volume resuscitation and cefazolin pharmacokinetics was observed. On the basis of this pharmacokinetic model, frequent cefazolin doses are required to maintain 100% fT > MIC.
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Antibacterianos , Cefazolina , Heridas y Lesiones , Humanos , Cefazolina/farmacocinética , Cefazolina/administración & dosificación , Masculino , Antibacterianos/farmacocinética , Antibacterianos/administración & dosificación , Persona de Mediana Edad , Adulto , Femenino , Heridas y Lesiones/complicaciones , Heridas y Lesiones/terapia , Anciano , Resucitación/métodos , Profilaxis Antibiótica/métodos , Adulto JovenRESUMEN
OBJECTIVE: We hypothesized that medical students would be empowered by hemorrhage-control training and would support efforts to include Stop the Bleed® (STB) in medical education. DESIGN: This is a multi-institution survey study. Surveys were administered immediately following and 6 months after the course. SETTING: This study took place at the Association of American Medical Colleges-accredited medical schools in the United States. PARTICIPANTS: Participants were first-year medical students at participating institutions. A total of 442 students completed post-course surveys, and 213 students (48.2 percent) also completed 6-month follow-up surveys. INTERVENTION: An 1-hour, in-person STB course. MAIN OUTCOMES MEASURES: Student empowerment was measured by Likert-scale scoring, 1 (Strongly Disagree) to 5 (Strongly Agree). The usage of hemorrhage-control skills was also measured. RESULTS: A total of 419 students (95.9 percent) affirmed that the course taught the basics of bleeding control, and 169 (79.3 percent) responded positively at follow-up, with a significant decrease in Likert response (4.65, 3.87, p < 0.001). Four hundred and twenty-three students (97.0 percent) affirmed that they would apply bleeding control skills to a patient, and 192 (90.1 percent) responded positively at follow-up (4.61, 4.19, p < 0.001). Three hundred and sixty-one students (82.8 percent) believed that they were able to save a life, and 109 (51.2 percent) responded positively at follow-up (4.14, 3.56, p < 0.001). Four hundred and twenty-five students (97.0 percent) would recommend the course to another medical student, and 196 (92.0 percent) responded positively at follow-up (4.68, 4.31, p < 0.001). Six students (2.8 percent) used skills on live patients, with success in five of the six instances. CONCLUSIONS: Medical students were empowered by STB and have used hemorrhage-control skills on live victims. Medical students support efforts to include STB in medical education.
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Hemorragia , Humanos , Hemorragia/terapia , Hemorragia/prevención & control , Masculino , Femenino , Estados Unidos , Estudiantes de Medicina/estadística & datos numéricos , Educación de Pregrado en Medicina , Curriculum , Facultades de Medicina , Encuestas y Cuestionarios , Adulto , EmpoderamientoRESUMEN
BACKGROUND: Completion angiography (CA) is commonly used following repair of extremity vascular injury and is recommended by the Eastern Association for the Surgery of Trauma practice management guidelines for extremity trauma. However, it remains unclear which patients benefit from CA because only level 3 evidence exists. METHODS: This prospective observational multicenter (18LI, 2LII) analysis included patients 15 years or older with extremity vascular injuries requiring operative management. Clinical variables and outcomes were analyzed with respect to with our primary study endpoint, which is need for secondary vascular intervention. RESULTS: Of 438 patients, 296 patients required arterial repair, and 90 patients (30.4%) underwent CA following arterial repair. Institutional protocol (70.9%) was cited as the most common reason to perform CA compared with concern for inadequate repair (29.1%). No patients required a redo extremity vascular surgery if a CA was performed per institutional protocol; however, 26.7% required redo vascular surgery if the CA was performed because of a concern for inadequate repair. No differences were observed in hospital mortality, length of stay, extremity ischemia, or need for amputation between those who did and did not undergo CA. CONCLUSION: Completion angiogram following major extremity injury should be considered in a case-by-case basis. Limiting completion angiograms to those patients with concern for an inadequate vascular repair may limit unnecessary surgery and morbidity. LEVEL OF EVIDENCE: Therapeutic/Care Management; Level III.
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Angiografía , Procedimientos de Cirugía Plástica , Lesiones del Sistema Vascular , Humanos , Angiografía/métodos , Extremidades/diagnóstico por imagen , Extremidades/cirugía , Extremidades/irrigación sanguínea , Extremidad Inferior/irrigación sanguínea , Estudios Retrospectivos , Resultado del Tratamiento , Procedimientos Quirúrgicos Vasculares/métodos , Lesiones del Sistema Vascular/diagnóstico por imagen , Lesiones del Sistema Vascular/cirugíaRESUMEN
OBJECTIVE: Intraoperative molecular imaging (IMI) using tumor-targeted optical contrast agents can improve thoracic cancer resections. There are no large-scale studies to guide surgeons in patient selection or imaging agent choice. Here, we report our institutional experience with IMI for lung and pleural tumor resection in 500 patients over a decade. METHODS: Between December 2011 and November 2021, patients with lung or pleural nodules undergoing resection were preoperatively infused with 1 of 4 optical contrast tracers: EC17, TumorGlow, pafolacianine, or SGM-101. Then, during resection, IMI was used to identify pulmonary nodules, confirm margins, and identify synchronous lesions. We retrospectively reviewed patient demographic data, lesion diagnoses, and IMI tumor-to-background ratios (TBRs). RESULTS: Five hundred patients underwent resection of 677 lesions. We found that there were 4 types of clinical utility of IMI: detection of positive margins (n = 32, 6.4% of patients), identification of residual disease after resection (n = 37, 7.4%), detection of synchronous cancers not predicted on preoperative imaging (n = 26, 5.2%), and minimally invasive localization of nonpalpable lesions (n = 101 lesions, 14.9%). Pafolacianine was most effective for adenocarcinoma-spectrum malignancies (mean TBR, 2.84), and TumorGlow was most effective for metastatic disease and mesothelioma (TBR, 3.1). False-negative fluorescence was primarily seen in mucinous adenocarcinomas (mean TBR, 1.8), heavy smokers (>30 pack years; TBR, 1.9), and tumors greater than 2.0 cm from the pleural surface (TBR, 1.3). CONCLUSIONS: IMI may be effective in improving resection of lung and pleural tumors. The choice of IMI tracer should vary by the surgical indication and the primary clinical challenge.
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Neoplasias Pulmonares , Neoplasias Pleurales , Humanos , Neoplasias Pulmonares/diagnóstico por imagen , Neoplasias Pulmonares/cirugía , Estudios Retrospectivos , Pulmón/patología , Imagen Molecular/métodosRESUMEN
OBJECTIVES: We evaluated the feasibility of implementing a Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) program at our urban level 1 trauma center and evaluated early outcomes. DESIGN: A multidisciplinary committee including physicians (trauma surgery, emergency medicine, vascular surgery, and interventional radiology) and nurses created clinical practice guidelines for the placement of REBOA at our institution. All trauma surgeons and critical care board certified emergency medicine physicians were trained in placement and nurses received management training. A formal review process was implemented to identify areas for improvement. Finally, we instituted refresher training to maintain REBOA competency. Trauma patients with noncompressible torso hemorrhage from blunt or penetrating injuries who were partial or nonresponders to blood product resuscitation were included. Pregnant patients, children, or patients with significant hemothorax or suspected aortic or cardiac injury were excluded. RESULTS: Over seven months, eight catheters were successfully placed, all on the first attempt, including six in Zone 3 and two in Zone 1. All Zone 3 catheters were placed for pelvic fracture-related bleeding which were subsequently embolized. The Zone 1 catheters were placed immediately preoperatively for intraabdominal bleeding. Upon committee review, one critique was made regarding zone selection. One patient developed an arteriovenous fistula after placement which resolved without intervention. There were no other complications and all patients survived to discharge. CONCLUSIONS: An REBOA program is feasible and safe following a comprehensive multidisciplinary effort. The efforts described here can be utilized by similar trauma programs for adaptation of this endovascular approach to bleeding control.
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Oclusión con Balón , Procedimientos Endovasculares , Choque Hemorrágico , Niño , Humanos , Centros Traumatológicos , Estudios de Factibilidad , Aorta/cirugía , New England , Resucitación , Hemoperitoneo , Choque Hemorrágico/terapia , Puntaje de Gravedad del TraumatismoRESUMEN
BACKGROUND: Surgical dogma states that "if you think about doing a fasciotomy, you do it," yet the benefit of this approach remains unclear. We hypothesized that early fasciotomy during index operative procedures for extremity vascular trauma would be associated with improved patient outcomes. STUDY DESIGN: This prospective, observational multicenter (17 level 1, 1 level 2) analysis included patients ≥15 years old with extremity vascular injury requiring operative management. Clinical variables were analyzed with respect to fasciotomy timing for correlation with outcomes, including muscle necrosis and limb amputation. Associated variables (p < 0.05) were input into multivariable logistic regression models evaluating these endpoints. RESULTS: Of 436 study patients, most were male (87%) with penetrating (57%), lower extremity (77%), arterial (73%), vein (40%), and bony (53%) injury with prolonged hospital length of stay (11 days). Patients who had index fasciotomy (66%) were compared with those who did not (34%), and no differences were appreciated with respect to age, initial systolic blood pressure, tourniquet time, "hard" signs of vascular injury, massive transfusion protocol activation, or Injury Severity Score (all p < 0.05). Of the 289 patients who underwent index fasciotomy, 49% had prophylactic fasciotomy, 11% developed muscle necrosis, 4% required an additional fasciotomy, and 8% required amputation, although only 28 of 147 (19%) required delayed fasciotomy in those without index fasciotomy. Importantly, forgoing index fasciotomy did not correlate (p > 0.05) with additional muscle necrosis or amputation risk in the delayed fasciotomy group. After controlling for confounders, index surgery fasciotomy was not associated with either muscle necrosis or limb salvage in multivariable models. CONCLUSIONS: Routine, index operation fasciotomy failed to demonstrate an outcome benefit in this prospective, multicenter analysis. Our data suggest that a careful observation and fasciotomy-when-needed approach may limit unnecessary surgery and its resulting morbidity in extremity vascular trauma patients.
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Lesiones del Sistema Vascular , Humanos , Masculino , Estados Unidos , Adolescente , Femenino , Lesiones del Sistema Vascular/cirugía , Lesiones del Sistema Vascular/complicaciones , Estudios Prospectivos , Resultado del Tratamiento , Estudios Retrospectivos , Recuperación del Miembro , Extremidad Inferior/irrigación sanguínea , Necrosis/complicaciones , Necrosis/cirugíaRESUMEN
BACKGROUND: Our trauma performance improvement initiative recognized missed treatment opportunities for patients undergoing massive transfusion. To improve patient care, we developed a novel cognitive aid in the form of a poster entitled "TACTICS for Hemorrhagic Shock." We hypothesized that this reference and corresponding course would improve the performance of trauma leaders caring for simulated patients requiring massive transfusion. METHODS: First, residents and physician assistants participated in a one-on-one, socially distanced, screen-based virtual patient simulation. Next, they watched a short presentation introducing the TACTICS visual aid. They then underwent a similar second virtual simulation during which they had access to the reference. In both simulations, the participants were assessed using a scoring system developed to measure their ability to provide appropriate predetermined interventions while leading a trauma resuscitation (score range, 0-100%). Preintervention and postintervention scores were compared using a one-group pre-post within-subject design. Participants' feedback was obtained anonymously. RESULTS: Thirty-two participants (21 residents and 11 physician assistants) completed the course. The median score for the first simulation without the use of the visual aid was 43.8% (interquartile range, 33.3.8-61.5%). Commonly missed treatments included giving tranexamic acid (success rate, 37.5%), treating hypothermia (31.3%), and reversing known anticoagulation (28.1%). All participants' performance improved using the visual aid, and the median score of the second simulation was 89.6% (interquartile range, 79.2-94.8%; p < 0.001). Ninety-two percent of survey respondents "strongly agreed" that the TACTICS visual aid would be a helpful reference during real-life trauma resuscitations. CONCLUSION: The TACTICS visual aid is a useful tool for improving the performance of the trauma leader and is now displayed in our emergency department resuscitation rooms. This performance improvement course, the associated simulations, and visual aid are easily and virtually accessible to interested trauma programs. LEVEL OF EVIDENCE: Therapeutic/Care Management; Level IV.
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Choque Hemorrágico , Humanos , Choque Hemorrágico/terapia , Competencia Clínica , Resucitación , Simulación de Paciente , Recursos AudiovisualesRESUMEN
INTRODUCTION: Delirium is associated with adverse post-operative outcomes, long-term cognitive dysfunction, and prolonged hospitalization. Risk factors for its development include longer surgical duration, increased operative complexity and invasiveness, and medical comorbidities. This study aims to further evaluate the incidence of delirium and its impact on outcomes among patients undergoing both elective and emergency bowel resections. METHODS: This is a retrospective cohort study using an institutional patient registry. All patients undergoing bowel resection over a 3.5-year period were included. The study measured the incidence of post-operative delirium via the nursing confusion assessment method. This incidence was then compared to patient age, emergency versus elective admission, length of stay, mortality, discharge disposition, and hospital cost. RESULTS: A total of 1934 patients were included with an overall delirium incidence of 8.8%. Compared to patients without delirium, patients with delirium were more likely to have undergone emergency surgery, be greater than 70 y of age, have a longer length of stay, be discharged to a skilled nursing facility, and have a more expensive hospitalization. In addition, the overall mortality was 14% in patients experiencing delirium versus 0.1% in those that did not. Importantly, when broken down between elective and emergency groups, the mortality of those experiencing delirium was similar (11 versus 13%). CONCLUSIONS: The development of delirium following bowel resection is an important risk factor for worsened outcomes and mortality. Although the incidence of delirium is higher in the emergency surgery population, the development of delirium in the elective population infers a similar risk of mortality.
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Delirio , Procedimientos Quirúrgicos del Sistema Digestivo , Humanos , Estudios Retrospectivos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Delirio/epidemiología , Delirio/etiología , Procedimientos Quirúrgicos Electivos/efectos adversos , Procedimientos Quirúrgicos del Sistema Digestivo/efectos adversos , Factores de Riesgo , Tiempo de InternaciónRESUMEN
BACKGROUND: Intraoperative molecular imaging (IMI) using tumor-targeted optical contrast agents can improve cancer resections. The optimal wavelength of the IMI tracer fluorophore has never been studied in humans and has major implications for the field. To address this question, we investigated 2 spectroscopically distinct fluorophores conjugated to the same targeting ligand. METHODS: Between December 2011 and November 2021, patients with primary lung cancer were preoperatively infused with 1 of 2 folate receptor-targeted contrast tracers: a short-wavelength folate-fluorescein (EC17; λ em =520 nm) or a long-wavelength folate-S0456 (pafolacianine; λ em =793 nm). During resection, IMI was utilized to identify pulmonary nodules and confirm margins. Demographic data, lesion diagnoses, and fluorescence data were collected prospectively. RESULTS: Two hundred eighty-two patients underwent resection of primary lung cancers with either folate-fluorescein (n=71, 25.2%) or pafolacianine (n=211, 74.8%). Most tumors (n=208, 73.8%) were invasive adenocarcinomas. We identified 2 clinical applications of IMI: localization of nonpalpable lesions (n=39 lesions, 13.8%) and detection of positive margins (n=11, 3.9%). In each application, the long-wavelength tracer was superior to the short-wavelength tracer regarding depth of penetration, signal-to-background ratio, and frequency of event. Pafolacianine was more effective for detecting subpleural lesions (mean signal-to-background ratio=2.71 vs 1.73 for folate-fluorescein, P <0.0001). Limit of signal detection was 1.8 cm from the pleural surface for pafolacianine and 0.3 cm for folate-fluorescein. CONCLUSIONS: Long-wavelength near-infrared fluorophores are superior to short-wavelength IMI fluorophores in human tissues. Therefore, future efforts in all human cancers should likely focus on long-wavelength agents.
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Cuidados Intraoperatorios , Neoplasias Pulmonares , Fluoresceínas , Colorantes Fluorescentes , Ácido Fólico , Humanos , Neoplasias Pulmonares/diagnóstico por imagen , Neoplasias Pulmonares/patología , Neoplasias Pulmonares/cirugía , Imagen Molecular/métodosRESUMEN
Background: Antibiotic prophylaxis is a common, established practice at trauma centers worldwide for patients presenting with various forms of serious injury. Many patients simultaneously present with hemorrhage. The current guidelines by the Eastern Association for the Surgery of Trauma recommend re-dosing prophylactic antibiotic agents for every 10 units of blood products administered. However, these guidelines are only mildly supported by dated research. Methods: A literature search was completed through Medline EBSCO Host using antibiotic prophylaxis and transfusion as keywords. Articles judged to be relevant to the study question were selected for full-text review. Case studies were not included. Altogether, 18 articles were cited in our results through this process. Results: Risk of infection increases in patients resuscitated with large volume of blood products. Animal models of trauma offered conflicting findings on whether blood loss and blood resuscitation altered tissue antibiotic concentrations compared with controls. Studies focused on antibiotic pharmacokinetics in non-trauma human patients revealed agreement surrounding reported decreases in serum and tissue concentrations, although there was discrepancy surrounding the clinical relevancy of the reported decreases. Conclusions: Trauma, hemorrhage, and transfusion impair the immune response resulting in increased incidence of infection. Both animal and human models of antibiotic pharmacokinetics show decreased serum and tissue concentrations during hemorrhage. However, available data are insufficient to conclude that trauma patients experiencing hemorrhage are at elevated risk of infection and thus require more frequent redosing of antibiotic agents than the current guidelines suggest. An upcoming, prospective study by our institution seeks to evaluate this question.
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Profilaxis Antibiótica , Hemorragia , Antibacterianos/uso terapéutico , Profilaxis Antibiótica/métodos , Transfusión Sanguínea , Hemorragia/tratamiento farmacológico , Hemorragia/etiología , Humanos , Estudios ProspectivosRESUMEN
BACKGROUND: Police transport (PT) of penetrating trauma patients in urban locations has become routine in certain metropolitan areas; however, whether it results in improved outcomes over prehospital Advanced life support (ALS) transport has not been determined in a multicenter study. We hypothesized that PT would not result in improved outcomes. METHODS: This was a multicenter, prospective, observational study of adults (18+ years) with penetrating trauma to the torso and/or proximal extremity presenting at 25 urban trauma centers. Police transport and ALS patients were allocated via nearest neighbor, propensity matching. Transport mode also examined by Cox regression. RESULTS: Of 1,618 total patients, 294 (18.2%) had PT and 1,324 (81.8%) were by ALS. After matching, 588 (294/cohort) remained. The patients were primarily Black (n = 497, 84.5%), males (n = 525, 89.3%, injured by gunshot wound (n = 494, 84.0%) with 34.5% (n = 203) having Injury Severity Score of 16 or higher. Overall mortality by propensity matching was not different between cohorts (15.6% ALS vs. 15.0% PT, p = 0.82). In severely injured patients (Injury Severity Score ≥16), mortality did not differ between PT and ALS transport (38.8% vs. 36.0%, respectively; p = 0.68). Cox regression analysis controlled for relevant factors revealed no association with a mortality benefit in patients transported by ALS. CONCLUSION: Police transport of penetrating trauma patients in urban locations results in similar outcomes compared with ALS. Immediate transport to definitive trauma care should be emphasized in this patient population. LEVEL OF EVIDENCE: Prognostic and Epidemiologic; Level III.
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Servicios Médicos de Urgencia , Transporte de Pacientes , Heridas por Arma de Fuego , Heridas Penetrantes , Adulto , Humanos , Puntaje de Gravedad del Traumatismo , Masculino , Policia , Estudios Prospectivos , Estudios Retrospectivos , Transporte de Pacientes/métodos , Centros Traumatológicos , Heridas Penetrantes/cirugíaRESUMEN
Penetrating injury to the inferior vena cava (IVC) is associated with high morbidity and mortality. Luminal narrowing can occur following lateral venorrhaphy and can lead to future morbidity. This case report discusses the success of patch repair following lateral venorrhaphy in two trauma patients. We describe the use of patch repair to eliminate stenosis of the IVC resulting from primary repair in the setting of traumatic injury. Furthermore, trauma patients are known to be at high risk for venous thromboembolism, and we describe the use of low molecular weight heparin as chemical prophylaxis for prevention of this complication following patch repair.
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The coronavirus disease 2019 (COVID-19) pandemic has required healthcare systems to adapt, innovate, and collaborate to protect public health through treatment, testing, and vaccination initiatives related to the virus. As the pandemic evolved, lessons learned early on through testing and treatment were applied to vaccination efforts. Hartford HealthCare (HHC) is one of the largest healthcare systems in New England and took an integral role in vaccinating patients throughout the region, thus providing one of the largest vaccination campaigns in Connecticut. Early planning for equipment and personnel, in addition to effective communication between providers and patients, was critical in accomplishing HHC's goal of rapidly providing access to COVID-19 vaccines. The efficient and effective response to the pandemic at HHC was led by the Office of Emergency Management, which worked to ensure continuity of patient care and physician excellence in the face of disaster. Initially, resources were directed to testing and treatment of the disease; as vaccine clinical trials announced successful outcomes, these efforts shifted to preparing for the storage and distribution of a mass number of vaccines. This manuscript details the factors that enabled success in HHC's vaccination campaign and serves to provide a useful template for similar healthcare systems for future pandemic response.
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COVID-19 , Humanos , COVID-19/epidemiología , COVID-19/prevención & control , Vacunas contra la COVID-19 , Connecticut/epidemiología , Atención a la Salud , Programas de InmunizaciónRESUMEN
Connecticut was impacted severely and early on by the COVID-19 pandemic due to the state's proximity to New York City. Hartford Healthcare (HHC), one of the largest healthcare systems in New England, became integral in the state's response with a robust emergency management system already in place. In this manuscript, we review HHC's prepandemic emergency operations as well as the response of the system-wide Office of Emergency Management to the initial news of the virus and throughout the evolving pandemic. Additionally, we discuss the unique acquisition of vital critical care resources and personal protective equipment, as well as the hospital personnel distribution in response to the shifting demands of the virus. The public testing and vaccination efforts, with early consideration for at risk populations, are described as well as ethical considerations of scarce resources. To date, the vaccination effort resulted in over 70 percent of the adult population being vaccinated and with 10 percent of the population having been infected, herd immunity is eminent. Finally, the preparation for reestablishing elective procedures while experiencing a second wave of the pandemic is discussed. These descriptions may be useful for other healthcare systems in both preparation and response for future catastrophic emergencies of all types.
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COVID-19 , Pandemias , Adulto , Connecticut/epidemiología , Atención a la Salud , Humanos , SARS-CoV-2RESUMEN
BACKGROUND: Falls are the most common cause of injury-related death for patients older than 45. We hypothesized that a machine learning algorithm developed from state-level registry data could make accurate outcome predictions at a level 1 trauma hospital. METHODS: Data for all patients admitted for fall injury during 2009 - 2019 in the state of Pennsylvania were derived from the state trauma registry. Thirteen variables that were immediately available upon patient arrival were used for prediction modeling. Data for the test institution were withheld from model creation. Algorithms assessed included logistic regression (LR), random forest (RF), and extreme gradient boost (XGB). Model discrimination for mortality was assessed with area under the curve (AUC) for each algorithm at our level 1 trauma center. RESULTS: 180,284 patients met inclusion criteria. The mean age was 69 years ± 18.5 years with a mortality rate of 4.0%. The AUC for predicting mortality in patients that fall for LR, RF, and XGB were 0.797, 0.876, and 0.880, respectively. The variables which contributed to the prediction in descending order of importance for XGB were respiratory rate, pulse, systolic blood pressure, ethnicity, weight, sex, age, temperature, Glasgow Coma Scale (GCS) eye, race, GCS voice, GCS motor, and blood alcohol level. CONCLUSIONS: An extreme gradient boost model developed using state-wide trauma data can accurately predict mortality after fall at a single center within the state. This machine learning model can be implemented by local trauma systems within the state of Pennsylvania to identify patients injured by fall that require greater attention, transfer to a higher level of care, and higher resource allocation.
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Centros Traumatológicos , Anciano , Área Bajo la Curva , Escala de Coma de Glasgow , Humanos , Modelos LogísticosRESUMEN
The community spread of COVID-19 is well known and has been rigorously studied since the onset of the pandemic; however, little is known about the risk of transmission to hospitalized patients. Many practices have been adopted by healthcare facilities to protect patients and staff by attempting to mitigate internal spread of the disease; however, these practices are highly variable among institutions, and it is difficult to identify which interventions are both practical and impactful. Our institution, for example, adopted the most rigorous infection control methods in an effort to keep patients and staff as safe as possible throughout the pandemic. This case report details the hospital courses of two trauma patients, both of whom tested negative for the COVID-19 virus multiple times prior to producing positive tests late in their hospital courses. The two patients share many common features including history of psychiatric illness, significant injuries, ICU stays, one-to-one observers, multiple consulting services, and a prolonged hospital course prior to discharge to a rehabilitation facility. Analysis of these hospital courses can help provide a better understanding of potential risk factors for acquisition of a nosocomial COVID-19 infection and insight into which measures may be most effective in preventing future occurrences. This is important to consider not only for COVID-19 but also for future novel infectious diseases.
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Social media has become an integral part of everyday life. Because of this, medical representation has become increasingly popular across social media. Medical professionals have begun to recognize the value of social media in areas such as research promotion, mentorship program expansion and collaboration with peers. To date, these online medical communities are being underused in the field of trauma. Trauma centers may benefit by creating a more prominent online presence to allow for the dissemination of critical research, expansion of injury prevention programs and participation in national annual meetings. When used properly, social media can serve as a platform for the advancement of trauma care in a cost-effective manner.