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  1. Article ; Online: Prehospital shock index and systolic blood pressure are highly specific for pediatric massive transfusion.

    Zhu, Caroline S / Braverman, Maxwell / Goddard, Sabrina / McGinity, Ashley C / Pokorny, Douglas / Cotner-Pouncy, Tracy / Eastridge, Brian J / Epley, Sondra / Greebon, Leslie J / Jonas, Rachelle B / Liao, Lillian / Nicholson, Susannah E / Schaefer, Randall / Stewart, Ronald M / Winckler, Christopher J / Jenkins, Donald H

    The journal of trauma and acute care surgery

    2023  Volume 91, Issue 4, Page(s) 579–583

    Abstract: Background: While massive transfusion protocols (MTPs) are associated with decreased mortality in adult trauma patients, there is limited research on the impact of MTP on pediatric trauma patients. The purpose of this study was to compare pediatric ... ...

    Abstract Background: While massive transfusion protocols (MTPs) are associated with decreased mortality in adult trauma patients, there is limited research on the impact of MTP on pediatric trauma patients. The purpose of this study was to compare pediatric trauma patients requiring massive transfusion with all other pediatric trauma patients to identify triggers for MTP activation in injured children.
    Methods: Using our level I trauma center's registry, we retrospectively identified all pediatric trauma patients from January 2015 to January 2018. Massive transfusion (MT) was defined as infusion of 40 mL/kg of blood products in the first 24 hours of admission. Patients missing prehospital vital sign data were excluded from the study. We retrospectively collected data including demographics, blood utilization, variable outcome data, prehospital vital signs, prehospital transport times, and Injury Severity Scores. Statistical significance was determined using Mann-Whitney U test and χ2 test. p Values of less than 0.05 were considered significant.
    Results: Thirty-nine (1.9%) of the 2,035 pediatric patients met the criteria for MT. All-cause mortality in MT patients was 49% (19 of 39 patients) versus 0.01% (20 of 1996 patients) in non-MT patients. The two groups significantly differed in Injury Severity Score, prehospital vital signs, and outcome data.Both systolic blood pressure (SBP) of <100 mm Hg and shock index (SI) of >1.4 were found to be highly specific for MT with specificities of 86% and 92%, respectively. The combination of SBP of <100 mm Hg and SI of >1.4 had a specificity of 94%. The positive and negative predictive values of SBP of <100 mm Hg and SI of >1.4 in predicting MT were 18% and 98%, respectively. Based on positive likelihood ratios, patients with both SBP of <100 mm Hg and SI of >1.4 were 7.2 times more likely to require MT than patients who did not meet both of these vital sign criteria.
    Conclusion: Pediatric trauma patients requiring early blood transfusion present with lower blood pressures and higher heart rates, as well as higher SIs and lower pulse pressures. We found that SI and SBP are highly specific tools with promising likelihood ratios that could be used to identify patients requiring early transfusion.
    Level of evidence: Therapeutic/care management, level V.
    MeSH term(s) Adolescent ; Blood Pressure ; Blood Transfusion/statistics & numerical data ; Child ; Child, Preschool ; Female ; Heart Rate ; Humans ; Injury Severity Score ; Male ; Predictive Value of Tests ; ROC Curve ; Registries/statistics & numerical data ; Retrospective Studies ; Risk Assessment/statistics & numerical data ; Shock, Hemorrhagic/diagnosis ; Shock, Hemorrhagic/etiology ; Shock, Hemorrhagic/therapy ; Trauma Centers/statistics & numerical data ; Wounds and Injuries/complications ; Wounds and Injuries/diagnosis ; Wounds and Injuries/therapy
    Language English
    Publishing date 2023-08-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2651070-4
    ISSN 2163-0763 ; 2163-0755
    ISSN (online) 2163-0763
    ISSN 2163-0755
    DOI 10.1097/TA.0000000000003275
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  2. Article ; Online: The impact of prehospital whole blood on hemorrhaging trauma patients: A multi-center retrospective study.

    Braverman, Maxwell A / Schauer, Steven G / Ciaraglia, Angelo / Brigmon, Erika / Smith, Alison A / Barry, Lauran / Bynum, James / Cap, Andrew D / Corral, Hannah / Fisher, Andrew D / Epley, Eric / Jonas, Rachelle B / Shiels, Michael / Waltman, Elizabeth / Winckler, Christopher / Eastridge, Brian J / Stewart, Ronald M / Nicholson, Susannah E / Jenkins, Donald H

    The journal of trauma and acute care surgery

    2023  Volume 95, Issue 2, Page(s) 191–196

    Abstract: Background: Whole blood (WB) use has become increasingly common in trauma centers across the United States for both in-hospital and prehospital resuscitation. We hypothesize that prehospital WB (pWB) use in trauma patients with suspected hemorrhage will ...

    Abstract Background: Whole blood (WB) use has become increasingly common in trauma centers across the United States for both in-hospital and prehospital resuscitation. We hypothesize that prehospital WB (pWB) use in trauma patients with suspected hemorrhage will result in improved hemodynamic status and reduced in-hospital blood product requirements.
    Methods: The institutional trauma registries of two academic level I trauma centers were queried for all patients from 2015-2019 who underwent transfusion upon arrival to the trauma bay. Patients who were dead on arrival or had isolated head injuries were excluded. Demographics, injury and shock characteristics, transfusion requirements, including massive transfusion protocol (MTP) (>10 U in 24 hours) and rapid transfusion (CAT3+) and outcomes were compared between pWB and non-pWB patients. Significantly different demographic, injury characteristics and pWB were included in univariate followed by stepwise logistic regression analysis to determine the relationship with shock index (SI). Our primary objective was to determine the relationship between pWB and improved hemodynamics or reduction in blood product utilization.
    Results: A total of 171 pWB and 1391 non-pWB patients met inclusion criteria. Prehospital WB patients had a lower median Injury Severity Score (17 vs. 21, p < 0.001) but higher prehospital SI showing greater physiologic disarray. Prehospital WB was associated with improvement in SI (-0.04 vs. 0.05, p = 0.002). Mortality and (LOS) were similar. Prehospital WB patients received fewer packed red blood cells, fresh frozen plasma, and platelets units across their LOS but total units and volumes were similar. Prehospital WB patients had fewer MTPs (22.6% vs. 32.4%, p = 0.01) despite a similar requirement of CAT3+ transfusion upon arrival.
    Conclusion: Prehospital WB administration is associated with a greater improvement in SI and a reduction in MTP. This study is limited by its lack of power to detect a mortality difference. Prospective randomized controlled trials will be required to determine the true impact of pWB on trauma patients.
    Level of evidence: Prognostic and Epidemiological; Level IV.
    MeSH term(s) Humans ; Retrospective Studies ; Prospective Studies ; Hemorrhage/etiology ; Hemorrhage/therapy ; Blood Transfusion/methods ; Trauma Centers ; Injury Severity Score ; Resuscitation/methods ; Wounds and Injuries/complications ; Wounds and Injuries/therapy
    Language English
    Publishing date 2023-04-04
    Publishing country United States
    Document type Multicenter Study ; Journal Article
    ZDB-ID 2651070-4
    ISSN 2163-0763 ; 2163-0755
    ISSN (online) 2163-0763
    ISSN 2163-0755
    DOI 10.1097/TA.0000000000003908
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  3. Article ; Online: Clinical Assessment of Low Calcium In traUMa (CALCIUM).

    Mendez, Jessica / Jonas, Rachelle B / Barry, Lauren / Urban, Shane / Cheng, Alex C / Aden, James K / Bynum, James / Fisher, Andrew D / Shackelford, Stacy A / Jenkins, Donald H / Gurney, Jennifer M / Bebarta, Vikhyat S / Cap, Andrew P / Rizzo, Julie A / Wright, Franklin L / Nicholson, Susannah E / Schauer, Steven G

    Medical journal (Fort Sam Houston, Tex.)

    2022  , Issue Per 23-1/2/3, Page(s) 74–80

    Abstract: Major trauma frequently occurs in the deployed, combat setting and is especially applicable in the recent conflicts with explosives dominating the combat wounded. In future near-peer conflicts, we will likely face even more profound weapons including ... ...

    Abstract Major trauma frequently occurs in the deployed, combat setting and is especially applicable in the recent conflicts with explosives dominating the combat wounded. In future near-peer conflicts, we will likely face even more profound weapons including mortars and artillery. As such, the number of severely wounded will likely increase. Hypocalcemia frequently occurs after blood transfusions, secondary to the preservatives in the blood products; however, recent data suggests major trauma in and of itself is a risk factor for hypocalcemia. Calcium is a major ion involved in heart contractility; thus, hypocalcemia can lead to poor contractility. Smaller studies have linked hypocalcemia to worse outcomes, but it remains unclear what causes hypocalcemia and if intervening could potentially save lives. The objective of this study is to determine the incidence of hypocalcemia on hospital arrival and the association with survival. We are seeking to address the following scientific questions, (1) Is hypocalcemia present following traumatic injury prior to transfusion during resuscitation? (2) Does hypocalcemia influence the amount of blood products transfused? (3) To what extent is hypocalcemia further exacerbated by transfusion? (4) What is the relationship between hypocalcemia following traumatic injury and mortality? We will conduct a multicenter, prospective, observational study. We will gather ionized calcium levels at 0, 3, 6, 12, 18, and 24 hours as part of scheduled calcium measurements. This will ensure we have accurate data to assess the early and late effects of hypocalcemia throughout the course of resuscitation and hemorrhage control. These data will be captured by a trained study team at every site. Our findings will inform clinical practice guidelines and optimize the care delivered in the combat and civilian trauma setting. We are seeking 391 patients with complete data to meet our a priori inclusion criteria. Our study will have major immediate short-term findings including risk prediction modeling to assess who is at risk for hypocalcemia, data assessing interventions associated with the incidence of hypocalcemia, and outcome data including mortality and its link to early hypocalcemia.
    MeSH term(s) Humans ; Calcium ; Hypocalcemia/diagnosis ; Hypocalcemia/epidemiology ; Hypocalcemia/etiology ; Prospective Studies ; Hemorrhage/complications ; Blood Transfusion ; Calcium, Dietary
    Chemical Substances Calcium (SY7Q814VUP) ; Calcium, Dietary
    Language English
    Publishing date 2022-10-26
    Publishing country United States
    Document type Observational Study ; Multicenter Study ; Journal Article
    ISSN 2694-3611
    ISSN (online) 2694-3611
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  4. Article ; Online: Efficacy and Safety of Whole Blood Transfusion in Non-Trauma Patients.

    Smith, Alison A / Alkhateb, Rahaf / Braverman, Maxwell / Shahan, Charles P / Axtman, Benjamin / Nicholson, Susannah / Greebon, Leslie / Eastridge, Brian / Jonas, Rachelle B / Stewart, Ronald / Schaefer, Randi / Foster, Mark / Jenkins, Donald

    The American surgeon

    2021  Volume 89, Issue 11, Page(s) 4934–4936

    Abstract: Whole blood (WB) transfusion for trauma patients with severe hemorrhage has demonstrated early successful outcomes compared to conventional component therapy. The objective of this study was to demonstrate WB transfusion in the non-trauma patient. ... ...

    Abstract Whole blood (WB) transfusion for trauma patients with severe hemorrhage has demonstrated early successful outcomes compared to conventional component therapy. The objective of this study was to demonstrate WB transfusion in the non-trauma patient. Consecutive adult patients receiving WB transfusion at a single academic institution were reviewed from February 2018 to January 2020. Outcomes measured were mortality and transfusion-related reactions. A total of 237 patients who received WB were identified with 55 (23.2%) non-trauma patients. Eight patients (14.5%) received pre-hospital WB. The most common etiology of non-traumatic hemorrhage was gastrointestinal bleeding (43.6%, n = 24/55). Approximately half of the non-trauma patients (n = 28/55) received component therapy. Transfusion-related events occurred in 3 patients. This study demonstrated that non-trauma patients could receive WB transfusions safely with infrequent transfusion-related events. Future studies should focus on determining if outcomes are improved in non-trauma patients who receive WB transfusions and defining specific transfusion criteria for this population.
    MeSH term(s) Adult ; Humans ; Blood Transfusion ; Transfusion Reaction ; Resuscitation ; Gastrointestinal Hemorrhage/etiology ; Gastrointestinal Hemorrhage/therapy ; Wounds and Injuries/complications ; Wounds and Injuries/therapy ; Blood Component Transfusion
    Language English
    Publishing date 2021-09-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 202465-2
    ISSN 1555-9823 ; 0003-1348
    ISSN (online) 1555-9823
    ISSN 0003-1348
    DOI 10.1177/00031348211048831
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  5. Article ; Online: The gut microbiome distinguishes mortality in trauma patients upon admission to the emergency department.

    Burmeister, David M / Johnson, Taylor R / Lai, Zhao / Scroggins, Shannon R / DeRosa, Mark / Jonas, Rachelle B / Zhu, Caroline / Scherer, Elizabeth / Stewart, Ronald M / Schwacha, Martin G / Jenkins, Donald H / Eastridge, Brian J / Nicholson, Susannah E

    The journal of trauma and acute care surgery

    2020  Volume 88, Issue 5, Page(s) 579–587

    Abstract: Background: Traumatic injury can lead to a compromised intestinal epithelial barrier, decreased gut perfusion, and inflammation. While recent studies indicate that the gut microbiome (GM) is altered early following traumatic injury, the impact of GM ... ...

    Abstract Background: Traumatic injury can lead to a compromised intestinal epithelial barrier, decreased gut perfusion, and inflammation. While recent studies indicate that the gut microbiome (GM) is altered early following traumatic injury, the impact of GM changes on clinical outcomes remains unknown. Our objective of this follow-up study was to determine if the GM is associated with clinical outcomes in critically injured patients.
    Methods: We conducted a prospective, observational study in adult patients (N = 67) sustaining severe injury admitted to a level I trauma center. Fecal specimens were collected on admission to the emergency department, and microbial DNA from all samples was analyzed using the Quantitative Insights Into Microbial Ecology pipeline and compared against the Greengenes database. α-Diversity and β-diversity were estimated using the observed species metrics and analyzed with t tests and permutational analysis of variance for overall significance, with post hoc pairwise analyses.
    Results: Our patient population consisted of 63% males with a mean age of 44 years. Seventy-eight percent of the patients suffered blunt trauma with 22% undergoing penetrating injuries. The mean body mass index was 26.9 kg/m. Significant differences in admission β-diversity were noted by hospital length of stay, intensive care unit hospital length of stay, number of days on the ventilator, infections, and acute respiratory distress syndrome (p < 0.05). β-Diversity on admission differed in patients who died compared with patients who lived (mean time to death, 8 days). There were also significantly less operational taxonomic units in samples from patients who died versus those who survived. A number of species were enriched in the GM of injured patients who died, which included some traditionally probiotic species such as Akkermansia muciniphilia, Oxalobacter formigenes, and Eubacterium biforme (p < 0.05).
    Conclusion: Gut microbiome diversity on admission in severely injured patients is predictive of a variety of clinically important outcomes. While our study does not address causality, the GM of trauma patients may provide valuable diagnostic and therapeutic targets for the care of injured patients.
    Level of evidence: Prognostic and epidemiological, level III.
    MeSH term(s) Adult ; Aged ; Emergency Service, Hospital/statistics & numerical data ; Feces/microbiology ; Female ; Follow-Up Studies ; Gastrointestinal Microbiome/physiology ; Hospital Mortality ; Humans ; Injury Severity Score ; Length of Stay/statistics & numerical data ; Male ; Middle Aged ; Prognosis ; Prospective Studies ; Trauma Centers/statistics & numerical data ; Wounds, Nonpenetrating/diagnosis ; Wounds, Nonpenetrating/microbiology ; Wounds, Nonpenetrating/mortality ; Wounds, Penetrating/diagnosis ; Wounds, Penetrating/microbiology ; Wounds, Penetrating/mortality
    Language English
    Publishing date 2020-02-10
    Publishing country United States
    Document type Journal Article ; Observational Study ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2651070-4
    ISSN 2163-0763 ; 2163-0755
    ISSN (online) 2163-0763
    ISSN 2163-0755
    DOI 10.1097/TA.0000000000002612
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  6. Article ; Online: Shock index and pulse pressure as triggers for massive transfusion.

    Zhu, Caroline S / Cobb, Danielle / Jonas, Rachelle B / Pokorny, Douglas / Rani, Meenakshi / Cotner-Pouncy, Tracy / Oliver, Jenny / Cap, Andrew / Cestero, Ramon / Nicholson, Susannah E / Eastridge, Brian J / Jenkins, Donald H

    The journal of trauma and acute care surgery

    2019  Volume 87, Issue 1S Suppl 1, Page(s) S159–S164

    Abstract: Background: Hemorrhage is the most common cause of preventable death in trauma patients. These mortalities might be prevented with prehospital transfusion. We sought to characterize injured patients requiring massive transfusion to determine the ... ...

    Abstract Background: Hemorrhage is the most common cause of preventable death in trauma patients. These mortalities might be prevented with prehospital transfusion. We sought to characterize injured patients requiring massive transfusion to determine the potential impact of a prehospital whole blood transfusion program. The primary goal of this analysis was to determine a method to identify patients at risk of massive transfusion in the prehospital environment. Many of the existing predictive models require laboratory values and/or sonographic evaluation of the patient after arrival at the hospital. Development of an algorithm to predict massive transfusion protocol (MTP) activation could lead to an easy-to-use tool for prehospital personnel to determine when a patient needs blood transfusion.
    Methods: Using our Level I trauma center's registry, we retrospectively identified all adult trauma patients from January 2015 to August 2017 requiring activation of the MTP. Patients who were younger than 18 years, older than 89 years, prisoners, pregnant women, and/or with nontraumatic hemorrhage were excluded from the study. We retrospectively collected data including demographics, blood utilization, variable outcome data (survival, length of stay, intensive care unit days, ventilator days), prehospital vital signs, prehospital transport times, and Injury Severity Score. The independent-samples t test and χ test were used to compare the group who died to the group who survived. p < 0.05 was considered significant. Based on age and mechanism of injury, relative risk of death was calculated. Graphs were generated using Microsoft Excel software to plot patient variables.
    Results: Our study population of 102 MTP patients had an average age of 42 years and average Injury Severity Score of 29, consisted of 80% males (82/102), and was 66% blunt trauma (67/102). The all-cause mortality was 67% (68/102). The positive predictive value of death for patients with pulse pressure of less than 45 and shock index of greater than 1 was 0.78 for all patients, but was 0.79 and 0.92 for blunt injury and elderly patients, respectively.
    Conclusions: Our data demonstrate a high mortality rate in trauma patients who require MTP despite short transport times, indicating the need for early intervention in the prehospital environment. Given our understanding that the most severely injured patients in hemorrhagic shock require blood resuscitation, this study demonstrates that this subset of trauma patients requiring massive transfusion can be identified in the prehospital setting. We recommend using Emergency Medical Services pulse pressure in combination with shock index to serve as a trigger for initiation of prehospital whole blood transfusion.
    Level of evidence: Therapeutic/care management, level V.
    MeSH term(s) Adolescent ; Adult ; Aged ; Aged, 80 and over ; Blood Pressure ; Blood Transfusion ; Female ; Humans ; Injury Severity Score ; Male ; Middle Aged ; Retrospective Studies ; Shock, Hemorrhagic/etiology ; Shock, Hemorrhagic/physiopathology ; Shock, Hemorrhagic/therapy ; Wounds and Injuries/complications ; Wounds and Injuries/physiopathology ; Young Adult
    Language English
    Publishing date 2019-06-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2651070-4
    ISSN 2163-0763 ; 2163-0755
    ISSN (online) 2163-0763
    ISSN 2163-0755
    DOI 10.1097/TA.0000000000002333
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  7. Article ; Online: The impact of radial artery catheterization on thenar muscle tissue oxygen monitoring.

    Lopez, Peter P / Jonas, Rachelle B / Muir, Mark T / Cohn, Stephen M

    The Journal of trauma

    2009  Volume 67, Issue 4, Page(s) 895

    MeSH term(s) Catheterization, Peripheral ; Humans ; Monitoring, Physiologic/methods ; Muscle, Skeletal/metabolism ; Oxygen/metabolism ; Prospective Studies ; Radial Artery ; Spectroscopy, Near-Infrared
    Chemical Substances Oxygen (S88TT14065)
    Language English
    Publishing date 2009-10
    Publishing country United States
    Document type Letter
    ZDB-ID 219302-4
    ISSN 1529-8809 ; 0022-5282 ; 1079-6061
    ISSN (online) 1529-8809
    ISSN 0022-5282 ; 1079-6061
    DOI 10.1097/TA.0b013e3181b5f3c7
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  8. Article ; Online: A prospective study in severely injured patients reveals an altered gut microbiome is associated with transfusion volume.

    Nicholson, Susannah E / Burmeister, David M / Johnson, Taylor R / Zou, Yi / Lai, Zhao / Scroggins, Shannon / DeRosa, Mark / Jonas, Rachelle B / Merrill, Daniel R / Zhu, Caroline / Newton, Larry M / Stewart, Ronald M / Schwacha, Martin G / Jenkins, Donald H / Eastridge, Brian J

    The journal of trauma and acute care surgery

    2018  Volume 86, Issue 4, Page(s) 573–582

    Abstract: Background: Traumatic injury can lead to a compromised intestinal epithelial barrier and inflammation. While alterations in the gut microbiome of critically injured patients may influence clinical outcomes, the impact of trauma on gut microbial ... ...

    Abstract Background: Traumatic injury can lead to a compromised intestinal epithelial barrier and inflammation. While alterations in the gut microbiome of critically injured patients may influence clinical outcomes, the impact of trauma on gut microbial composition is unknown. Our objective was to determine if the gut microbiome is altered in severely injured patients and begin to characterize changes in the gut microbiome due to time and therapeutic intervention.
    Methods: We conducted a prospective, observational study in adult patients (n = 72) sustaining severe injury admitted to a Level I Trauma Center. Healthy volunteers (n = 13) were also examined. Fecal specimens were collected on admission to the emergency department and at 3, 7, 10, and 13 days (±2 days) following injury. Microbial DNA was isolated for 16s rRNA sequencing, and α and β diversities were estimated, according to taxonomic classification against the Greengenes database.
    Results: The gut microbiome of trauma patients was altered on admission (i.e., within 30 minutes following injury) compared to healthy volunteers. Patients with an unchanged gut microbiome on admission were transfused more RBCs than those with an altered gut microbiome (p < 0.001). Although the gut microbiome started to return to a β-diversity profile similar to that of healthy volunteers over time, it remained different from healthy controls. Alternatively, α diversity initially increased postinjury, but subsequently decreased during the hospitalization. Injured patients on admission had a decreased abundance of traditionally beneficial microbial phyla (e.g., Firmicutes) with a concomitant decrease in opportunistic phyla (e.g., Proteobacteria) compared to healthy controls (p < 0.05). Large amounts of blood products and RBCs were both associated with higher α diversity (p < 0.001) and a β diversity clustering closer to healthy controls.
    Conclusion: The human gut microbiome changes early after trauma and may be aided by early massive transfusion. Ultimately, the gut microbiome of trauma patients may provide valuable diagnostic and therapeutic insight for the improvement of outcomes postinjury.
    Level of evidence: Prognostic and Epidemiological, level III.
    MeSH term(s) Adult ; Bacterial Load ; Blood Volume/physiology ; Correlation of Data ; Erythrocyte Transfusion ; Feces/microbiology ; Female ; Gastrointestinal Microbiome/physiology ; Humans ; Injury Severity Score ; Intestinal Mucosa/physiopathology ; Male ; Middle Aged ; Prognosis ; Prospective Studies ; Wounds, Nonpenetrating/diagnosis ; Wounds, Nonpenetrating/physiopathology ; Wounds, Nonpenetrating/therapy ; Wounds, Penetrating/physiopathology ; Wounds, Penetrating/therapy
    Language English
    Publishing date 2018-12-14
    Publishing country United States
    Document type Journal Article ; Observational Study ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2651070-4
    ISSN 2163-0763 ; 2163-0755
    ISSN (online) 2163-0763
    ISSN 2163-0755
    DOI 10.1097/TA.0000000000002201
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  9. Article ; Online: Mass Casualty Incident Management Preparedness: A Survey of the American College of Surgeons Committee on Trauma.

    Lewis, Aaron M / Sordo, Salvador / Weireter, Leonard J / Price, Michelle A / Cancio, Leopoldo / Jonas, Rachelle B / Dent, Daniel L / Muir, Mark T / Aydelotte, Jayson D

    The American surgeon

    2016  Volume 82, Issue 12, Page(s) 1227–1231

    Abstract: Mass casualty incidents (MCIs) are events resulting in more injured patients than hospital systems can handle with standard protocols. Several studies have assessed hospital preparedness during MCIs. However, physicians and trauma surgeons need to be ... ...

    Abstract Mass casualty incidents (MCIs) are events resulting in more injured patients than hospital systems can handle with standard protocols. Several studies have assessed hospital preparedness during MCIs. However, physicians and trauma surgeons need to be familiar with their hospital's MCI Plan. The purpose of this survey was to assess hospitals' and trauma surgeon's preparedness for MCIs. Online surveys were e-mailed to members of the American College of Surgeons committee on Trauma Ad Hoc Committee on Disaster and Mass Casualty Management before the March 2012 meeting. Eighty surveys were analyzed (of 258). About 76 per cent were American College of Surgeons Level I trauma centers, 18 per cent were Level II trauma centers. Fifty-seven per cent of Level I and 21 per cent of Level II trauma centers had experienced an MCI. A total of 98 per cent of respondents thought it was likely their hospital would see a future MCI. Severe weather storm was the most likely event (95%), followed by public transportation incident (86%), then explosion (85%). About 83 per cent of hospitals had mechanisms to request additional physician/surgeons, and 80 per cent reported plans for operative triage. The majority of trauma surgeons felt prepared for an MCI and believed an event was likely to occur in the future. The survey was limited by the highly select group of respondents and future surveys will be necessary.
    MeSH term(s) Civil Defense/statistics & numerical data ; Forecasting ; Health Knowledge, Attitudes, Practice ; Humans ; Mass Casualty Incidents/classification ; Surveys and Questionnaires ; Trauma Centers/statistics & numerical data ; Traumatology/statistics & numerical data ; Triage ; United States
    Language English
    Publishing date 2016-12-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 202465-2
    ISSN 1555-9823 ; 0003-1348
    ISSN (online) 1555-9823
    ISSN 0003-1348
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Impact of low-dose vasopressin on trauma outcome: prospective randomized study.

    Cohn, Stephen M / McCarthy, Janet / Stewart, Ronald M / Jonas, Rachelle B / Dent, Daniel L / Michalek, Joel E

    World journal of surgery

    2010  Volume 35, Issue 2, Page(s) 430–439

    Abstract: Background: We previously found that regardless of the animal injury model used resuscitation strategies that minimize fluid administration requirements lead to better outcomes. We hypothesized that a resuscitation regimen that limited the total volume ... ...

    Abstract Background: We previously found that regardless of the animal injury model used resuscitation strategies that minimize fluid administration requirements lead to better outcomes. We hypothesized that a resuscitation regimen that limited the total volume of fluid administered would reduce morbidity and mortality rates in critically ill trauma patients.
    Methods: We performed a double-blind randomized trial to assess the safety and efficacy of adding vasopressin to resuscitative fluid. Subjects were hypotensive adults who had sustained acute traumatic injury. Subjects were given fluid alone (control group) or fluid plus vasopressin (experimental group), first as a bolus (4 IU) and then as an intravenous infusion of 200 ml/h (vasopressin 2.4 IU/h) for 5 h.
    Results: We randomly assigned 78 patients to the experimental group (n=38) or the control group (n=40). The groups were similar in age, sex, preexisting medical illnesses, and mechanism and severity of injury. Serum vasopressin concentrations were higher in the experimental group than in the control group at admission, after infusion of vasopressin (p=0.01), and 12 h later. The experimental group required a significantly lower total volume of resuscitation fluid over 5 days than did the control group (p=0.04). The mortality rate at 5 days was 13% in the experimental group and 25% in the control group (p=0.19). The rates of adverse events, organ dysfunction, and 30-day mortality were similar.
    Conclusions: This is the first trial to investigate the impact of vasopressin administration in trauma patients. Infusion of low-dose vasopressin maintained elevated serum vasopressin levels and decreased fluid requirements after injury.
    MeSH term(s) Double-Blind Method ; Female ; Fluid Therapy ; Humans ; Male ; Middle Aged ; Prospective Studies ; Resuscitation ; Vasoconstrictor Agents/administration & dosage ; Vasopressins/administration & dosage ; Wounds and Injuries/therapy
    Chemical Substances Vasoconstrictor Agents ; Vasopressins (11000-17-2)
    Language English
    Publishing date 2010-12-16
    Publishing country United States
    Document type Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 224043-9
    ISSN 1432-2323 ; 0364-2313
    ISSN (online) 1432-2323
    ISSN 0364-2313
    DOI 10.1007/s00268-010-0875-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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