Publications by authors named "Nathan T Mowery"

Whole blood (WB) is associated with improved mortality while lowering blood product utilization. Furthermore, statin medications are associated with favorable outcomes in traumatic brain injury and risk reduction of venous thromboembolism. However, the use of statin medications has not been evaluated in those receiving WB.

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Background: Cirrhosis in trauma patients is an indicator of poor prognosis, but current trauma injury grading systems do not take into account liver dysfunction as a risk factor. Our objective was to construct a simple clinical mortality prediction model in cirrhotic trauma patients: Cirrhosis Outcomes Score in Trauma (COST).

Methods: Trauma patients with pre-existing cirrhosis or liver dysfunction who were admitted to our ACS Level I trauma center between 2013 and 2021 were reviewed.

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Introduction: Variation in surgical management exists nationally. We hypothesize that geographic variation exists in adhesive small bowel obstruction (aSBO) management.

Materials And Methods: A retrospective analysis of a national commercial insurance claims database (MarketScan) sample (2017-2019) was performed in adults with hospital admission due to aSBO.

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Background: In adhesive small bowel obstructions (ASBOs), literature has shown that passage of a water-soluble contrast challenge at either 8 hours or 24 hours is predictive of successful non-operative management (NOM) for an ASBO, but the long-term outcomes between these two groups are unknown. We hypothesized that patients who require longer transit times to the colon have a higher one-year recidivism of ASBO.

Methods: This was a 4-year review of patients with presumed ASBO undergoing successful NOM.

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Objectives: Improved screening has decreased but not eliminated the need for emergent surgery for colon cancer (CC), many of which are performed by acute care surgery (ACS) surgeons. This retrospective review compares outcomes for CC resections on the ACS service to the surgical oncology and colorectal services (SO/CRS).

Methods: Retrospective review was performed for CC operations between 2014 and 2019.

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Objective: Every trauma patient has a golden hour, and resuscitation efficiency within that hour has large implications for patients. We instituted simulation based trauma resuscitation training with the hypothesis that it would improve trauma team efficiency.

Methods: Five simulation training sessions were conducted with immediate debriefing.

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The use of risk stratification tools (RST) aids in clinical triage, decision making and quality assessment in a wide variety of medical fields. Although emergency general surgery (EGS) is characterized by a comorbid, physiologically acute patient population with disparately high rates of perioperative morbidity and mortality, few RST have been explicitly examined in this setting. We examined the available RST with the intent of identifying a tool that comprehensively reflects an EGS patients perioperative risk for death or complication.

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The management of the ventilator in patients with chronic obstructive pulmonary disease (COPD) and acute respiratory distress syndrome (ARDS) has a dramatic effect on the overall outcome. The incidence of COPD is increasing as the US population grows older. The most effective means to deal with pulmonary complications is to avoid them, but both COPD and ARDS have evidence-based interventions that have been shown to improve outcomes.

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Background: Pancreatic or peripancreatic tissue necrosis confers substantial morbidity and mortality. New modalities have created a wide variation in approaches and timing of interventions for necrotizing pancreatitis. As acute care surgery evolves, its practitioners are increasingly being called upon to manage these complex patients.

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Article Synopsis
  • A study compared two methods of connecting intestines, handsewn (HS) and stapled (ST), in emergency surgery patients.
  • They looked at a total of 595 patients to see which method had more failures after surgery.
  • The results showed that both methods had similar failure rates, but certain factors like contamination during surgery made failures more likely.
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Background: The American Association for the Surgery of Trauma (AAST) has developed a new grading system for uniform description of anatomic severity of emergency general surgery (EGS) diseases, ranging from Grade I (mild) to Grade V (severe). The purpose of this study was to determine the relationship of AAST grades for acute colonic diverticulitis with patient outcomes. A secondary purpose was to propose an EGS quality improvement program using risk-adjusted center outcomes, similar to National Surgical Quality Improvement Program and Trauma Quality Improvement Program methodologies.

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The American Association for the Surgery of Trauma (AAST) recently established a grading system for uniform reporting of anatomic severity of several emergency general surgery (EGS) diseases. There are five grades of severity for each disease, ranging from I (lowest severity) to V (highest severity). However, the grading process requires manual chart review.

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Background: Nonoperative management (NOM) of blunt splenic injury is well accepted. Substantial failure rates in higher injury grades remain common, with one large study reporting rates of 19.6%, 33.

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Background: Currently, there is no established system for assessing disease severity in emergency general surgery (EGS) patients. The purpose of this project was to develop a uniform grading system for measuring anatomic severity of disease in this patient population.

Methods: The Committee on Patient Assessment and Outcomes of the American Association for the Surgery of Trauma developed a proposal by consensus of experts for grading severity of EGS diseases.

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Background: Recent studies have identified unique clinical and physiologic characteristics of emergency general surgery (EGS) patients and called for outcomes data in this population. There are no data in the US literature analyzing the impact of technique on anastomotic failure rates in EGS patients. The purpose of the current study was to compare outcomes of hand-sewn (HS) versus stapled (ST) bowel anastomoses in EGS patients.

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Background: Pulmonary contusion (PC) is a common injury associated with blunt chest trauma. Complications such as pneumonia and adult respiratory distress syndrome (ARDS) occur in up to 50% of patients with PC. The ability to predict which PC patients are at increased risk of developing complications would be of tremendous clinical utility.

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Background: Hypoglycemia has emerged as a barrier to the practice of intensive insulin therapy. Current literature suggests that hypoglycemia occurs at variable rates and has different effects on outcomes in surgical and medical populations. We sought to determine the incidence, independent predictors, and effect on outcome of severe hypoglycemia (≤ 40 mg/dl) in a surgical population.

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Emergent operations are thought to carry higher morbidity and mortality than nonemergent cases. However, there is a lack of specific outcomes data for emergent general surgery procedures. The objective of our study was to assess and quantify postoperative morbidity and mortality for emergency versus nonemergency general surgery operations.

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Background: The early resuscitation occurs in the emergency department (ED) where intensive care unit protocols do not always extend and monitoring capabilities vary. Our hypothesis is that increased ED length of stay (LOS) leads to increased hospital mortality in patients not undergoing immediate surgical intervention.

Methods: We examined all trauma activation admissions from January 2002 to July 2009 admitted to the Trauma Service (n = 3,973).

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Purpose: The purpose of this study is to determine if temperature extremes are associated with reduced heart rate variability (HRV) and "cardiac uncoupling."

Materials And Methods: This was a retrospective, observational cohort study performed on 278 trauma intensive care unit admissions that had continuous HR, cardiac index (CI), and core temperature data from "thermodilution" Swan-Ganz catheter. Dense (captured second-by-second) physiologic data were divided into 5-minute intervals (N = 136 133; 11 344 hours of data).

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