Christina Colosimo

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Journals/Publications

• Alexander, H. D., Bhogadi, S. K., Hejazi, O., Nelson, A., Khurshid, M. H., Stewart, C., Hosseinpour, H., Colosimo, C., Magnotti, L. J., & Joseph, B. (2024). The Synergy Factor: Trauma and Cancer. The Journal of surgical research, 302, 393-397.
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  Trauma and cancer are the leading causes of death in the US. There is a paucity of data describing the impact of cancer on trauma patients. We aimed to determine the influence of cancer on outcomes of trauma patients.
• Anand, T., Hejazi, O., Conant, M., Joule, D., Lundy, M., Colosimo, C., Spencer, A., Nelson, A., Magnotti, L., & Joseph, B. (2024). Impact of resuscitation adjuncts on postintubation hypotension in patients with isolated traumatic brain injury. The journal of trauma and acute care surgery, 97(1), 112-118.
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  Postintubation hypotension (PIH) is a risk factor of endotracheal intubation (ETI) after injury. For those with traumatic brain injury (TBI), one episode of hypotension can potentiate that injury. This study aimed to identify the resuscitation adjuncts that may decrease the incidence of PIH in this patient population.
• Bhogadi, S. K., El-Qawaqzeh, K., Colosimo, C., Hosseinpour, H., Magnotti, L. J., Spencer, A. L., Anand, T., Ditillo, M., Alizai, Q., Nelson, A., & Joseph, B. (2024). Pediatric Acute Compartment Syndrome in Long Bone Fractures: Who is at Risk?. The Journal of surgical research, 298, 53-62.
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  There is a paucity of large-scale data on the factors that suggest an impending or underlying extremity pediatric acute compartment syndrome (ACS). In addition, literature regarding the timing of operative fixation and the risk of ACS is mixed. We aimed to describe the factors associated with pediatric ACS.
• Bhogadi, S. K., Nelson, A., Hosseinpour, H., Anand, T., Hejazi, O., Colosimo, C., Spencer, A. L., Ditillo, M., Magnotti, L. J., & Joseph, B. (2024). Effect of PCC on outcomes of severe traumatic brain injury patients on preinjury anticoagulation. American journal of surgery, 232, 138-141.
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  This study aims to evaluate effect of 4-factor PCC on outcomes of severe TBI patients on preinjury anticoagulants undergoing craniotomy/craniectomy.
• Colosimo, C., Bhogadi, S. K., Hejazi, O., Nelson, A., Hosseinpour, H., Stewart, C., Spencer, A. L., Ditillo, M., Magnotti, L. J., & Joseph, B. (2024). When Every Minute Counts: REBOA Before Surgery Is Independently Associated With a 15-Minute Delay in Time to Definitive Hemorrhage Control. Military medicine, 189(Supplement_3), 262-267.
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  Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a temporizing hemorrhage control intervention, but its inevitable effect on time to operating room (OR) has not been assessed. The aim of our study is to assess the impact of undergoing REBOA before surgery (RBS) on time to definitive hemorrhage control surgery.
• Colosimo, C., Otaibi, B., Bhogadi, S. K., Nelson, A., Spencer, A. L., Anand, T., Stewart, C., Magnotti, L. J., & Joseph, B. (2024). Obesity is a predictor of abdominal computed tomography imaging in pediatric trauma patients. The journal of trauma and acute care surgery.
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  Computed tomography (CT) has helped to reduce the morbidity due to missed injuries. However, CT imaging is associated with radiation exposure and thus has limited indications in pediatric patients. In this study, we aimed to identify the association between obesity and abdominal CT imaging in pediatric trauma patients.
• Culbert, M. H., Bhogadi, S. K., Hosseinpour, H., Colosimo, C., Alizai, Q., Anand, T., Spencer, A. L., Ditillo, M., Magnotti, L. J., & Joseph, B. (2024). Predictors of Receiving Mental Health Services in Trauma Patients With Positive Drug Screen. The Journal of surgical research, 298, 7-13.
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  Initial interaction with health care system presents an important opportunity to provide substance use disorder (SUD) rehabilitation in the form of mental health services (MHSs). This study aims to identify predictors of receipt of MHSs among adult trauma patients with SUD and positive drug screen.
• Hosseinpour, H., Anand, T., Hejazi, O., Colosimo, C., Bhogadi, S. K., Spencer, A., Nelson, A., Ditillo, M., Magnotti, L. J., & Joseph, B. (2024). The Role of Whole Blood Hemostatic Resuscitation in Bleeding Geriatric Trauma Patients. The Journal of surgical research, 299, 26-33.
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  Whole blood (WB) has recently gained increased popularity as an adjunct to the resuscitation of hemorrhaging civilian trauma patients. We aimed to assess the nationwide outcomes of using WB as an adjunct to component therapy (CT) versus CT alone in resuscitating geriatric trauma patients.
• Hosseinpour, H., Nelson, A., Bhogadi, S. K., Magnotti, L. J., Alizai, Q., Colosimo, C., Hage, K., Ditillo, M., Anand, T., & Joseph, B. (2024). Should We Keep or Transfer Our Severely Injured Geriatric Patients to Higher Levels of Care?. The Journal of surgical research, 300, 15-24.
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  Interfacility transfer to higher levels of care is becoming increasingly common. This study aims to evaluate the association between transfer to higher levels of care and prolonged transfer times with outcomes of severely injured geriatric trauma patients compared to those who are managed definitively at lower-level trauma centers.
• Joseph, B., Hosseinpour, H., Sakran, J., Anand, T., Colosimo, C., Nelson, A., Stewart, C., Spencer, A. L., Zhang, B., & Magnotti, L. J. (2024). Defining the Problem: 53 Years of Firearm Violence Afflicting America's Schools. Journal of the American College of Surgeons, 238(4), 671-678.
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  Firearm violence and school shootings remain a significant public health problem. This study aimed to examine how publicly available data from all 50 states might improve our understanding of the situation, firearm type, and demographics surrounding school shootings.
• Khurshid, M. H., Yang, A. R., Hosseinpour, H., Colosimo, C., Hejazi, O., Spencer, A. L., Bhogadi, S. K., Ditillo, M., Magnotti, L. J., & Joseph, B. (2024). Final Lifelines: The Implications and Outcomes of Thoracic Damage Control Surgeries. The Journal of surgical research, 301, 385-391.
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  There is a lack of data on the outcomes of thoracic damage control surgery (TDCS). This study aimed to describe the characteristics and outcomes of patients undergoing TDCS.
• Magnotti, L. J., Bhogadi, S. K., Anand, T., Stewart, C., Colosimo, C., Spencer, A. L., Nelson, A., & Joseph, B. (2024). Less Is More: Dissecting Trauma Centers by Procedural Volume. Annals of surgery, 280(4), 667-675.
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  This study aims to examine the relationship between procedural volume and annual trauma volume (ATV) of ACS Level I trauma centers (TC).
• O'Connor, D., Hejazi, O., Colosimo, C., Stewart, C., Hosseinpour, H., Khurshid, M., Nelson, A. C., Joseph, B., Bhogadi, S. K., Anand, T., Spencer, A. L., & Magnotti, L. J. (2024). Role of endovascular management on outcomes in patients with traumatic inferior vena cava injuries. American journal of surgery, 238, 115836.
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  The aim of this study was to examine the association between the injury mechanism and repair type with outcomes in patients with traumatic inferior vena cava injuries.
• Safdar, M., Colosimo, C., Khurshid, M. H., Spencer, A. L., Hejazi, O., Castanon, L., Hosseinpour, H., Magnotti, L. J., Bhogadi, S. K., & Joseph, B. (2024). Drugs, Delirium, and Trauma: Substance Use and Incidence of Delirium After Traumatic Brain Injury. The Journal of surgical research, 301, 45-53.
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  There is a paucity of data on the effect of preinjury substance (alcohol, drugs) abuse on the risk of delirium in patients with traumatic brain injury (TBI). This study aimed to assess the incidence of delirium among patients with blunt TBI in association with different substances.
• Terrani, K. F., Bhogadi, S. K., Hosseinpour, H., Spencer, A. L., Alizai, Q., Colosimo, C., Nelson, A., Castanon, L., Magnotti, L. J., & Joseph, B. (2024). What Is Going on in Our Schools? Review of Injuries Among School Children Across the United States. The Journal of surgical research, 295, 310-317.
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  Children spend most of their time at school and participate in many activities that have the potential for causing injury. This study aims to describe the nationwide epidemiology of pediatric trauma sustained in school settings in the United States.
• Zambetti, B. R., Nelson, A. C., Hosseinpour, H., Anand, T., Colosimo, C., Spencer, A. L., Stewart, C., Bhogadi, S. K., Hejazi, O., Joseph, B., & Magnotti, L. J. (2024). The optimal management of blunt aortic injury in the young. American journal of surgery, 237, 115943.
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  Blunt aortic injury (BAI) is relatively uncommon in the pediatric population. The goal of this study was to examine the management of BAI in both children and adolescents, using a large national dataset.
• Akl, M. N., El-Qawaqzeh, K., Anand, T., Hosseinpour, H., Colosimo, C., Nelson, A., Alizai, Q., Ditillo, M., Magnotti, L. J., & Joseph, B. (2023). Trauma Laparotomy for the Cirrhotic Patient: An Outcome-Based Analysis. The Journal of surgical research, 294, 128-136.
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  There is a lack of large-scale data on outcomes of cirrhotic patients undergoing trauma laparotomy. We aimed to compare outcomes of cirrhotic versus noncirrhotic trauma patients undergoing laparotomy.
• Alizai, Q., Anand, T., Bhogadi, S. K., Nelson, A., Hosseinpour, H., Stewart, C., Spencer, A. L., Colosimo, C., Ditillo, M., & Joseph, B. (2023). From surveillance to surgery: The delayed implications of non-operative and operative management of pancreatic injuries. American journal of surgery, 226(5), 682-687.
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  Our study compares the delayed outcomes of operative versus nonoperative management of pancreatic injuries.
• Alizai, Q., Arif, M. S., Colosimo, C., Hosseinpour, H., Spencer, A. L., Bhogadi, S. K., Nelson, A., Anand, T., Ditillo, M., & Joseph, B. (2023). Beyond the short-term relief: Outcomes of geriatric rib fracture patients receiving paravertebral nerve blocks and epidural analgesia. Injury, 111184.
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  Adequate pain control is a critical component of rib fracture management. Our study aimed to evaluate the in-hospital and post-discharge outcomes of geriatric rib fracture patients who received paravertebral nerve block (PVNB) versus epidural analgesia (EA) on a national level.
• Alizai, Q., Colosimo, C., Hosseinpour, H., Stewart, C., Bhogadi, S. K., Nelson, A., Spencer, A. L., Ditillo, M., Magnotti, L. J., Joseph, B., & , A. F. (2023). It's Not All Black and White: The Effect of Increasing Severity of Frailty on Outcomes of Geriatric Trauma Patients. The journal of trauma and acute care surgery.
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  Frailty is associated with poor outcomes in trauma patients. However, the spectrum of physiologic deficits, once a patient is identified as frail, is unknown. The aim of this study was to assess the dynamic association between increasing frailty and outcomes among frail geriatric trauma patients.
• Bhogadi, S. K., Alizai, Q., Colosimo, C., Spencer, A. L., Stewart, C., Nelson, A., Ditillo, M., Castanon, L., Magnotti, L. J., Joseph, B., , B. M., , A. A., Dultz, L., Black, G., Campbell, M., Berndtson, A. E., Costantini, T., Kerwin, A., Skarupa, D., , Burruss, S., et al. (2023). Not all traumatic brain injury patients on preinjury anticoagulation are the same. American journal of surgery.
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  Prognostic significance of different anticoagulants in TBI patients remains unanswered. We aimed to compare effects of different anticoagulants on outcomes of TBI patients.
• Bhogadi, S. K., Magnotti, L. J., Hosseinpour, H., Anand, T., El-Qawaqzeh, K., Nelson, A., Colosimo, C., Spencer, A. L., Friese, R., & Joseph, B. (2023). The final decision among the injured elderly, to stop or to continue? Predictors of withdrawal of life supporting treatment. The journal of trauma and acute care surgery, 94(6), 778-783.
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  There is a paucity of data on factors that influence the decision regarding withdrawal of life supporting treatment (WLST) in geriatric trauma patients. We aimed to identify predictors of WLST in geriatric trauma patients.
• Bhogadi, S. K., Stewart, C., El-Qawaqzeh, K., Colosimo, C., Hosseinpour, H., Nelson, A., Castanon, L., Spencer, A. L., Magnotti, L. J., & Joseph, B. (2023). Local Antibiotic Therapy for Open Long Bone Fractures: Appropriate Prophylaxis or Unnecessary Exposure for the Orthopedic Trauma Patient?. Military medicine, 188(Supplement_6), 407-411.
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  Prophylactic local antibiotic therapy (LAbT) to prevent infection in open long bone fracture (OLBF) patients has been in use for many decades despite lack of definitive evidence confirming a beneficial effect. We aimed to evaluate the effect of LAbT on outcomes of OLBF patients on a nationwide scale.
• Castanon, L., Bhogadi, S. K., Anand, T., Hosseinpour, H., Nelson, A., Colosimo, C., Spencer, A. L., Gries, L., Ditillo, M., & Joseph, B. (2023). The Association Between the Timing of Initiation of Pharmacologic Venous Thromboembolism Prophylaxis with Outcomes in Burns Patients. Journal of burn care & research : official publication of the American Burn Association, 44(6), 1311-1315.
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  Hospitalized burn patients are at increased risk for venous thromboembolism (VTE). Guidelines regarding thromboprophylaxis in burn patients are unclear. This study aims to compare the outcomes of early versus late thromboprophylaxis initiation in burn patients. In this 3-year analysis of 2017-2019 ACS-TQIP, adult(18-64years) burn patients were identified after applying inclusion/exclusion criteria and stratified based on timing of initiation of VTE prophylaxis: Early(24 hours). Outcomes were deep venous thrombosis(DVT), pulmonary embolism(PE), unplanned return to operating room (OR), unplanned intensive care unit (ICU) admission, post-prophylaxis packed red blood cells (PRBC) transfusion, and mortality. Nine thousand two hundred and seventy-two patients were identified. Overall, median age was 41years, 71.5% were male, and median[IQR] injury severity score was 3[1-8]. 53% had second-degree burns, and 80% had less than 40% of total body surface area affected. Median time to thromboprophylaxis initiation was 11[6-20.6]hours. Overall VTE rate was 0.9% (DVT-0.7%, PE-0.2%). On univariable analysis, early prophylaxis group had lower rates of DVT(0.6% vs 1.1%, P = .025), and PE(0.1% vs 0.6%, P < .001). On multivariable regression, late prophylaxis was associated with 1.8 times higher odds of DVT (aOR = 1.8, 95% CI = 1.04-3.11, P = .03), 4.8 times higher odds of PE(aOR = 4.8, 95% CI = 1.9-11.9, P 
• Colosimo, C., Ingram, B., Weaver, J., Offner, P., & Yon, J. (2023). Increased Complications of Emergent Surgical Procedures During the First Wave of COVID-19. The Journal of surgical research, 286, 16-22.
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  Based on recommendations by CMS elective surgery was stopped during the first wave of COVID-19. Despite hospitals being open for emergent surgery, there were some studies that showed a decrease in surgical volume.
• Colosimo, C., Sirover, L., Porter, J., & Fox, N. (2023). The Bottom Line: Trauma Center Viability During COVID-19. The Journal of surgical research, 283, 867-871.
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  The COVID-19 pandemic was a potential threat to the viability of trauma centers and health systems in general. We sought to answer the question of how COVID-19 was associated with patient characteristics as well as trauma center volume, finances, and viability.
• Delgado, A. C., Cornett, B., Choi, Y. J., Colosimo, C., Stahel, V. P., Dziadkowiec, O., & Stahel, P. F. (2023). Investigational medications in 9,638 hospitalized patients with severe COVID-19: lessons from the "fail-and-learn" strategy during the first two waves of the pandemic in 2020. Patient safety in surgery, 17(1), 7.
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  The early surge of the novel coronavirus disease 2019 (COVID-19) pandemic introduced a significant clinical challenge due to the high case-fatality rate in absence of evidence-based recommendations. The empirical treatment modalities were relegated to historical expertise from the traditional management of acute respiratory distress syndrome (ARDS) in conjunction with off-label pharmaceutical agents endorsed under the "emergency use authorization" (EUA) paradigm by regulatory agencies. This study was designed to evaluate the insights from the "fail-and-learn" strategy in 2020 before the availability of COVID-19 vaccines and access to reliable insights from high-quality randomized controlled trials.
• El-Qawaqzeh, K., Anand, T., Alizai, Q., Colosimo, C., Hosseinpour, H., Spencer, A., Ditillo, M., Magnotti, L. J., Stewart, C., & Joseph, B. (2023). Trauma in the Geriatric and the Super-Geriatric: Should They Be Treated the Same?. The Journal of surgical research, 293, 316-326.
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  There is paucity of studies comparing the characteristics of trauma in geriatrics and super-geriatrics. We aimed to explore the injury characteristics and outcomes of older adult trauma patients on a nationwide scale.
• El-Qawaqzeh, K., Colosimo, C., Bhogadi, S. K., Magnotti, L. J., Hosseinpour, H., Castanon, L., Nelson, A., Ditillo, M., Anand, T., & Joseph, B. (2023). Unequal Treatment? Confronting Racial, Ethnic, and Socioeconomic Disparity in Management of Survivors of Violent Suicide Attempt. Journal of the American College of Surgeons, 237(1), 68-78.
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  Psychiatric inpatient hospitalization is nearly always indicated for patients with recent suicidal behavior. We aimed to assess the factors associated with receiving mental health services during hospitalization or on discharge among survivors of suicide attempts in trauma centers.
• Hosseinpour, H., Anand, T., Bhogadi, S. K., Colosimo, C., El-Qawaqzeh, K., Spencer, A. L., Castanon, L., Ditillo, M., Magnotti, L. J., & Joseph, B. (2023). Emergency Department Shock Index Outperforms Prehospital and Delta Shock Indices in Predicting Outcomes of Trauma Patients. The Journal of surgical research, 291, 204-212.
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  Multiple shock indices (SIs), including prehospital, emergency department (ED), and delta (ED SI - Prehospital SI) have been developed to predict outcomes among trauma patients. This study aims to compare the predictive abilities of these SIs for outcomes of polytrauma patients on a national level.
• Hosseinpour, H., El-Qawaqzeh, K., Magnotti, L. J., Bhogadi, S. K., Ghneim, M., Nelson, A., Spencer, A. L., Colosimo, C., Anand, T., Ditillo, M., & Joseph, B. (2023). The unexpected paradox of geriatric traumatic brain injury outcomes: Uncovering racial and ethnic disparities. American journal of surgery, 226(2), 271-277.
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  Healthcare disparities have always challenged surgical care in the US. We aimed to assess the influence of disparities on cerebral monitor placement and outcomes of geriatric TBI patients.
• Hosseinpour, H., Magnotti, L. J., Bhogadi, S. K., Anand, T., El-Qawaqzeh, K., Ditillo, M., Colosimo, C., Spencer, A., Nelson, A., & Joseph, B. (2023). Time to Whole Blood Transfusion in Hemorrhaging Civilian Trauma Patients: There Is Always Room for Improvement. Journal of the American College of Surgeons, 237(1), 24-34.
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  Whole blood (WB) is becoming the preferred product for the resuscitation of hemorrhaging trauma patients. However, there is a lack of data on the optimum timing of receiving WB. We aimed to assess the effect of time to WB transfusion on the outcomes of trauma patients.
• Hosseinpour, H., Magnotti, L. J., Bhogadi, S. K., Colosimo, C., El-Qawaqzeh, K., Spencer, A. L., Anand, T., Ditillo, M., Nelson, A., & Joseph, B. (2023). Interfacility transfer of pediatric trauma patients to higher levels of care: The effect of transfer time and level of receiving trauma center. The journal of trauma and acute care surgery, 95(3), 383-390.
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  Interfacility transfer of pediatric trauma patients to pediatric trauma centers (PTCs) after evaluation in nontertiary centers is associated with improved outcomes. We aimed to assess the outcomes of transferred pediatric patients based on their severity of the injury, transfer time, and level of receiving PTCs.
• Hosseinpour, H., Nelson, A., Bhogadi, S. K., Spencer, A. L., Alizai, Q., Colosimo, C., Anand, T., Ditillo, M., Magnotti, L. J., & Joseph, B. (2023). Delayed versus early hepatic resection among patients with severe traumatic liver injuries undergoing damage control laparotomy. American journal of surgery.
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  We aimed to assess the effect of time to hepatic resection on the outcomes of patients with high-grade liver injuries who underwent damage control laparotomy (DCL).
• Litmanovich, B., Alizai, Q., Stewart, C., Hosseinpour, H., Nelson, A., Bhogadi, S. K., Colosimo, C., Spencer, A. L., Ditillo, M., & Joseph, B. (2023). Outcomes of Geriatric Burn Patients Presenting to the Trauma Service: How Does Frailty Factor in?. The Journal of surgical research, 293, 327-334.
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  Frailty has been known to negatively affect the outcomes of geriatric trauma patients. However, there is a lack of data on the effect of frailty on the outcomes of geriatric trauma patients with concomitant burn injuries. The aim of our study was to compare the outcomes of frail versus nonfrail geriatric trauma patients with concomitant burn injuries.
• Nelson, A. C., Bhogadi, S. K., Hosseinpour, H., Stewart, C., Anand, T., Spencer, A. L., Colosimo, C., Magnotti, L. J., & Joseph, B. (2023). There Is No Such Thing as Too Soon: Long-Term Outcomes of Early Cholecystectomy for Frail Geriatric Patients with Acute Biliary Pancreatitis. Journal of the American College of Surgeons, 237(5), 712-718.
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  Early cholecystectomy (CCY) for acute biliary pancreatitis (ABP) is recommended but there is a paucity of data assessing this approach in frail geriatric patients. This study compares outcomes of frail geriatric ABP patients undergoing index admission CCY vs nonoperative management (NOM) with endoscopic retrograde cholangiopancreatography (ERCP).
• Teichman, A. L., Bonne, S., Rattan, R., Dultz, L., Qurashi, F. A., Goldenberg, A., Polite, N., Liveris, A., Freeman, J. J., Colosimo, C., Chang, E., Choron, R. L., Edwards, C., Arabian, S., Haines, K. L., Joseph, D., Murphy, P. B., Schramm, A. T., Jung, H. S., , Lawson, E., et al. (2023). Screening and intervention for intimate partner violence at trauma centers and emergency departments: an evidence-based systematic review from the Eastern Association for the Surgery of Trauma. Trauma surgery & acute care open, 8(1), e001041.
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  Intimate partner violence (IPV) is a serious public health issue with a substantial burden on society. Screening and intervention practices vary widely and there are no standard guidelines. Our objective was to review research on current practices for IPV prevention in emergency departments and trauma centers in the USA and provide evidenced-based recommendations.
• Cash, C., Caswell, S., Gratton, A., Colosimo, C., Kubasiak, J., Yon, J., & Mentzer, C. (2022). Age-Related Differences in Injury Patterns and Outcome From Falls From Tree Stands. The American surgeon, 88(5), 1031-1032.
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  From 2009 to 2019 there were 77 youth and 1046 adults injured in tree stand-related emergency department visits. There was no statistically significant different in sex or gender. Injury types were similar among groups and were categorized by body part. Despite the above-mentioned insignificant differences between the groups, we did identify several statistically significant findings. Adults that were not Caucasian or African-American were more likely to sustain injuries related to tree stands when compared to their youth counterparts (P-value 0.029). Adult patients were also more likely to sustain trauma to their torso (P-value 0.017). Lastly, adult patients were found to be more likely to require hospitalization in comparison to the youth population (P-value 0.018). Improved education and safety guidelines in the use of tree stands, particularly in individuals in ages 18 and up, would likely lessen the discrepancies between age groups identified in this study.
• Caswell, S. R., Cash, C., Gratton, A., Yon, J., Colosimo, C., Kubasiak, J., & Mentzer, C. J. (2022). Age-Related Injuries From Escalators. The American surgeon, 88(3), 364-367.
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  Escalators and moving stairways are omnipresent in modern life. No study to date has examined nationwide incidence and outcomes associated with injuries directly related to escalator use. The aim of this study was to describe the injury patterns, incidence, and disposition as it pertains to youth compared to adults.
• Colosimo, C., Mann, D. R., Bhuller, S., Opie, D., Beam, Z., Yon, J., Bracken Burns, J., & Conrad-Schnetz, K. (2022). Bridging the Gap: How to Get Osteopathic Residents Into Fellowships. Cureus, 14(8), e27980.
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  Introduction The fellowship match process is convoluted, with each specialty having its match on its timeline- with some programs having a Post Graduate Year (PGY) 4-year or 5-year match. This study aims to identify tangible recommendations for osteopathic surgery residents to use to improve their applications and, ultimately, the success rate for matching into post-graduate fellowship training. Methods In October 2021, as a part of the American College of Osteopathic Surgeons (ACOS) Strategic Planning efforts, the ACOS Resident Student Section sent a questionnaire to the listed email contact for each surgical fellowship program. Fellowship coordinators and program directors were included in the survey. The programs that were included in the study were vascular, thoracic (which included cardiothoracic), surgical critical care, endocrine, hepatobiliary, transplant, pediatric, surgical oncology, breast, minimally invasive, and colorectal surgery. Results Of the 108 programs that answered the survey, 36% of them reported they currently had an osteopathic fellow, and another 29% said they had an osteopathic fellow in the past. 35% of the programs listed that they had never had an osteopathic fellow in their program. In regards to how residents can improve their application for fellowship matches the most common answer was research in the field, they were trying to match into. They wanted to see high scores on the United States Medical Licensing Examination (USMLE) and American Board of Surgery In-Training Examination (ABSITE) exams. They also noted that they wanted candidates from more well know residency programs, where they knew the residents would have gotten good training. Conclusion We recommend that any potential fellowship applicant focus on the following three areas increase competitiveness for matching into fellowship training: publication in the desired field, increased overall scholarly activity, and increased ABSITE scores.
• Faulkner, J., Carballo, C., Colosimo, C., Gratton, A., Mentzer, C., & Yon, J. (2022). Traumatic Cardiac Arrest in Pediatric Patients: An Analysis of the National Trauma Database 2007-2016. The American surgeon, 88(9), 2252-2254.
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  The purpose of this study was to identify the population of pediatric patients who arrive without signs of life and describe outcomes using a national database.Patients eighteen and younger with no signs of life were pulled from the National Trauma Database (NTDB) from the years 2007-2016. A total of N = 7503 patients were separated into two cohorts for comparison. Subset analysis was also conducted for patients undergoing a thoracotomy. Statistical analysis was performed on the collected data. Over the 9-year period most patients died in the ED or hospital (95.7%), very few patients were discharged home (1.3%), and ED thoracotomies were performed rarely (9%) with most patients dying (97%).Arrival to the trauma bay without signs of life is associated with a dismal prognosis. Clinical judgment must be carefully applied to choose the small number of patients who would benefit from an aggressive approach.
• Colosimo, C., Yon, J. R., Fredericks, C., Kingsley, S., Gupta, S., Mentzer, C. J., Bokhari, F., & Poulakidas, S. (2021). Obesity is Not Associated With Need for Skin Grafting After Hidradenitis Excision. The American surgeon, 87(3), 458-462.
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  Hidradenitis suppurativa (HS) is a chronic, debilitating disease associated with inflammation, recurrent abscesses, and fistulae of skin containing apocrine sweat glands. We hypothesize that the need for skin grafting after vacuum-assisted closure was decreased with increasing body mass index (BMI).
• Ingram, B. M., Colosimo, C. M., Weaver, J. S., Mentzer, C. J., & Yon, J. R. (2021). Reconstruction After Grizzly Bear Attack in Wyoming. The American surgeon, 31348211050579.
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  Bear attacks are rare, although global incidents have been increasing. Injury patterns of bear attacks against humans consistently include injuries to the face, head, neck, chest, and upper extremities. Here, we have a brief report of a 59-year-old male hunter who was attacked by a grizzly bear in Wyoming. He sustained multiple lacerations to his face which included an avulsion of his nose and upper lip, as well as extensive associated facial fractures. Additional injuries included soft tissue and bony injuries to the upper extremities. He underwent 53 operations during his first hospitalization, primarily of facial reconstruction, which required nose and upper lip replant to his arm. His course was complicated by pressure ulcers, bacteria, acute kidney injury, and a urinary tract infection. After successful coordinated multidisciplinary care and a prolonged hospitalization, he was ultimately discharged to his home.
• Iverson, S. S., Colosimo, C. M., Cristea, C., Harr, J. N., & Weaver, J. S. (2021). Angioembolization to Control Postoperative Bleeding From the Uterine Artery Two Weeks After Hysterectomy. The American surgeon, 31348211054069.
• Colosimo, C., Fredericks, C., Yon, J. R., Kubasiak, J. C., Bokhari, F., & Poulakidas, S. (2020). Damage control hip disarticulation: two-stage operation with index creation of a large medial flap for the septic hip. Trauma surgery & acute care open, 5(1), e000502.
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  Although rarely performed, hip disarticulation (HD) is usually used for the patient with a non-viable leg who is also in extremis. HD was first used for trauma and infection; however, the technique was perfected during the age of hindquarter amputation for osteosarcomas. The operation performed by most surgeons today is still based on the oncological principles of high vessel control and ligation. When this approach has been used in the overwhelmingly infected or mangled extremity, it has resulted in high mortality rates. During the last 20 years, the concept of damage control operation has been embraced by emergency surgeons in all fields. We sought to extrapolate this concept and to apply it to the non-viable lower extremity.
• Colosimo, C., Kelly, J., Coker, J., Bhuller, S., Ballman, E., Baker-Sparr, C., Yon, J., Cornett, B., Dziadkowiec, O., & Weaver, J. (2020). Unscreened: Urgent and Emergent Surgical Outcomes in the Early COVID-19 Pandemic. Cureus, 12(12), e11878.
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  Background Creating useful recommendations for changes in surgical protocols during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has been difficult due to a lack of studies based on representative samples. This study evaluates the clinical outcomes and characteristics of patients undergoing urgent or emergent surgeries. Methods This is a multi-center (eight-hospital), retrospective, observational study of urgent and emergent surgical patients from Colorado and Kansas, the United States, in the early stages of the SARS-CoV-2 pandemic. Patient groups were divided based on their coronavirus disease 2019 (COVID-19) status: positive, negative and untested. COVID-19 testing was performed after the surgery if patients were symptomatic. Results The analysis includes 5,547 patients who underwent surgery from March 1, 2020 to May 17, 2020. Seventy-four percent (4,096) were not tested for COVID-19 due to lack of symptoms. Out of the 1,451 tested patients, 1,412 tested negative, and 39 tested positive. Out of all the patients who tested positive, 69.23% were admitted to the intensive care unit (ICU), whereas 16.72% of untested and 21.25% of the negative patients. The invasive ventilation rate for the patients that tested positive was 46.15%, 4.22% for untested, and 8.85% for patients who tested negative. The mortality rate in the positive group was 7.69%, 1.10% in the untested group, and 1.56% in the positive group.    Conclusion Patients who tested positive for COVID-19 had worse clinical outcomes than patients who tested negative and untested. We recommend creating criteria for testing based on patient characteristics and surgical procedure rather than testing all patients awaiting surgery; this would allow us to conserve resources moving forward.
• Colosimo, C., Ismail, N., Schoeff, J., Geiger, C., & Lundy, D. (2018). Rare documented case report of a retroperitoneal hernia as a complication to an anterior retroperitoneal spinal exposure. International journal of surgery case reports, 53, 309-311.
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  Anterior retroperitoneal spinal exposures are widely used today for spinal surgeries. Incisional hernias are a documented complication of anterior spine exposures; however, there are no documented cases of hernias into the dissected retroperitoneal space. We presented this exceptionally rare patient's complication to underscores the critical importance of preserving the peritoneum as a biologic barrier during retroperitoneal spine exposures.

Reviews

• Bhogadi, S. K., Colosimo, C., Hosseinpour, H., Nelson, A., Rose, M. I., Calvillo, A. R., Anand, T., Ditillo, M., Magnotti, L. J., & Joseph, B. (2023. The undisclosed disclosures: The dollar-outcome relationship in resuscitative endovascular balloon occlusion of the aorta(pp 726-730).
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  Despite its rapid evolution, resuscitative endovascular balloon occlusion of the aorta (REBOA) remains a controversial intervention that continues to generate active research. Proper conflict of interest (COI) disclosure helps to ensure that research is conducted objectively, without bias. We aimed to identify the accuracy of COI disclosures in REBOA research.