Publications by authors named "Marc De Moya"

Introduction: Older age is a well-established risk factor for withdrawal of life-sustaining therapy (WDLST) and discharge to hospice (DH) in traumatic brain injury (TBI). However, a paucity of data exists in identifying factors associated with end-of-life (EoL) care in younger patients with TBI. We sought to identify hospital and patient factors associated with EoL care and timing of EoL care in younger adults with severe TBI.

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  • The study investigates the safety of observing patients with small concurrent traumatic hemopneumothorax (HPTX), finding that 74% of patients were managed with observation instead of immediate tube thoracostomy (TT).
  • Results indicate that patients under observation experienced lower rates of pulmonary complications and shorter hospital stays compared to those who underwent early TT.
  • However, observation had a notable failure rate, with many patients needing further intervention, but those who did fail showed outcomes similar to those who got immediate TT.
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Since its inception, the specialty of acute care surgery has evolved and now represents a field with a broad clinical scope and large variations in implementation and practice. These variations produce unique challenges and there is no consistent definition of the scope, intensity or value of the work performed by acute care surgeons. This lack of clarity regarding expectations extends to surgeons and non-surgeons outside of our specialty, compounding difficulties in advocacy at the local, regional and national levels.

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  • Recurrent pneumothorax (rPTX) is a common issue after removing thoracostomy tubes in chest trauma patients, and traditional chest X-rays (CXR) are used to detect it, but bedside ultrasound (UPUS) offers a low-cost, radiation-free alternative.
  • A study with 92 patients aimed to determine the best timing for UPUS after tube removal, revealing that ultrasound performed at 3 hours post-removal had the highest sensitivity for detecting clinically concerning rPTX.
  • The findings suggest that rPTX size stabilizes by 4 hours, indicating that if no symptoms are present, further imaging beyond this timeframe may not be necessary.*
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Introduction: Gallstone disease is one of the most common surgical diagnoses in the United States. Notably absent from the literature is the patient's perspective on priorities in management. Understanding patient values will assist surgeons and systems in achieving high-quality, patient-focused care for biliary disease.

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Background: Polytrauma results in systemic inflammation and increased circulating fibrinogen, which increases the risk of microvascular and macrovascular thrombosis that contributes to secondary organ damage and venous thromboembolism (VTE). There are no clinically approved agents to prevent hyperfibrinogenemia after polytrauma. We hypothesized that preventing the increase in fibrinogen levels after polytrauma would suppress thrombosis.

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  • Cure Violence interruption programs, like 414LIFE in Milwaukee, aim to reduce gun violence by reaching high-risk individuals and neighborhoods.
  • The study analyzed the "reach" of 414LIFE through descriptive and geospatial methods, focusing on gunshot wound patients under 36 during a specific timeframe.
  • Findings showed that 75.4% of referred patients met the program criteria, with significant clustering in priority neighborhoods, highlighting the program's effectiveness in targeting the right demographics.
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Introduction: The Traumatic Brain Injury - Patient Reported Outcome (TBI-PRO) model was previously derived to predict long-term patient satisfaction as assessed by the Quality of Life After Brain Injury (QOLIBRI) score. The aim of this study is to externally and prospectively validate the TBI-PRO model to predict long-term patient-reported outcomes and to derive a new model using a larger dataset of older adults with TBI.

Methods: Patients admitted to a Level I trauma center with TBI were prospectively followed for 1 y after injury.

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Acute care surgery (ACS) encompasses five major pillars - trauma, surgical critical care, emergency general surgery, elective general surgery and surgical rescue. The specialty continues to evolve and due to high-acuity, high-volume and around-the-clock care, the workload can be significant leading to workforce challenges such as rightsizing of staff, work-life imbalance, surgeon burnout and more. To address these challenges and ensure a stable workforce, ACS as a specialty must be deliberate and thoughtful about how it manages workload and workforce going forward.

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  • - The study focused on managing traumatic hemothorax (HTX) with tube thoracostomy (TT), which is known to have a high complication rate, and aimed to assess the impact of a 2017 guideline that recommended observing stable patients with HTX volumes of 300 mL or less instead of immediately performing TT.
  • - A review of 357 patients was conducted comparing periods before and after the guideline was implemented, revealing that the post-guideline group had a higher observation rate (75% vs 59%) and a lower rate of TT placement (42% vs 57%).
  • - The results showed no increase in observation failures or complications, alongside reduced hospital and ICU stays, indicating that the guideline effectively reduced
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Genetic manipulation of animal models is a fundamental research tool in biology and medicine but is challenging in large animals. In rodents, models can be readily developed by knocking out genes in embryonic stem cells or by knocking down genes through delivery of nucleic acids. Swine are a preferred animal model for studying the cardiovascular and immune systems, but there are limited strategies for genetic manipulation.

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Background: Retained hemothorax (rHTX) requiring intervention occurs in up to 20% of patients who undergo chest tube (TT) placement for a hemothorax (HTX). Thoracic irrigation at the time of TT placement decreases the need for secondary intervention in this patient group but those findings are limited because of the single-center design. A multicenter study was conducted to evaluate the effectiveness of thoracic irrigation.

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Background: Blunt traumatic abdominal wall hernias (TAWHs) are rare but require a variety of operative techniques to repair including bone anchor fixation (BAF) when tissue tears off bony structures. This study aimed to provide a descriptive analysis of BAF technique for blunt TAWH repair. Bone anchor fixation and no BAF repairs were compared, hypothesizing increased hernia recurrence with BAF repair.

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Background: Tiered trauma team activation (TTA) allows systems to optimally allocate resources to an injured patient. Target undertriage and overtriage rates of <5% and <35% are difficult for centers to achieve, and performance variability exists. The objective of this study was to optimize and externally validate a previously developed hospital trauma triage prediction model to predict the need for emergent intervention in 6 hours (NEI-6), an indicator of need for a full TTA.

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Introduction: Retained hemothorax (HTX) is a common complication following thoracic trauma. Small studies demonstrate the benefit of thoracic cavity irrigation at the time of tube thoracostomy (TT) for the prevention of retained HTX. We sought to assess the effectiveness of chest irrigation in preventing retained HTX leading to a secondary surgical intervention.

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Background: Traumatic rib fracture is associated with a high morbidity rate and identifying patients at risk of developing pulmonary complications (PC) can guide management and potentially decrease unnecessary intensive care admissions. Therefore, we sought to assess and compare the utility of a physiologic parameter, vital capacity (VC), with the admission radiologic findings (RibScore) in predicting PC in patients with rib fractures.

Methods: This is a single-center retrospective review (2015-2018) of all adult (≥18 years) patients admitted to a Level I trauma center with traumatic rib fracture.

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  • Delays in starting VTE prophylaxis for patients with traumatic brain injury (TBI) remain an issue despite existing guidelines, prompting a hypothesis that an expanded Trauma Program Performance Improvement (PI) team will enhance timely care and reduce complications.
  • A retrospective review analyzed TBI patients before and after the expansion of the Trauma PIPS team over two separate years, excluding those with critical conditions or early interventions.
  • Results showed significant reductions in initiation time for VTE prophylaxis and increased administration rates, leading to lower VTE event rates without raising bleeding incidents, confirming the effectiveness of the multidisciplinary team's efforts.
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  • The study focuses on the effectiveness and safety of early venous thromboembolism chemoprophylaxis in traumatic brain injury patients requiring neurosurgery, a group often excluded from previous research.
  • Conducted as a retrospective review at a level I trauma center from 2016 to 2020, the study compared patients who received early chemoprophylaxis (within 72 hours of surgery) to those who had it later.
  • Results showed that early initiation significantly reduced venous thromboembolism rates without increasing the risk of worsening intracranial hemorrhage or the need for further surgical interventions.
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Background: Non-aortic arterial injuries are common and are associated with high morbidity and mortality. Historically, open surgical repair (OSR) was the conventional method of repair. With recent advancements in minimally invasive techniques, endovascular repair (ER) has gained popularity.

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Background: Blunt traumatic abdominal wall hernias (TAWH) occur in <1 % of trauma patients. Optimal repair techniques, such as mesh reinforcement, have not been studied in detail. We hypothesize that mesh use will be associated with increased surgical site infections (SSI) and not improve hernia recurrence.

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