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Featured researches published by Cord W. Cunningham.


Prehospital and Disaster Medicine | 2016

Assessment of Groin Application of Junctional Tourniquets in a Manikin Model.

John F. Kragh; Matthew P. Lunati; Chetan U. Kharod; Cord W. Cunningham; Jeffrey A. Bailey; Zsolt T. Stockinger; Andrew P. Cap; Jacob Chen; James K. Aden; Leopoldo C. Cancio

UNLABELLED Introduction To aid in preparation of military medic trainers for a possible new curriculum in teaching junctional tourniquet use, the investigators studied the time to control hemorrhage and blood volume lost in order to provide evidence for ease of use. Hypothesis Models of junctional tourniquet could perform differentially by blood loss, time to hemostasis, and user preference. METHODS In a laboratory experiment, 30 users controlled simulated hemorrhage from a manikin (Combat Ready Clamp [CRoC] Trainer) with three iterations each of three junctional tourniquets. There were 270 tests which included hemorrhage control (yes/no), time to hemostasis, and blood volume lost. Users also subjectively ranked tourniquet performance. Models included CRoC, Junctional Emergency Treatment Tool (JETT), and SAM Junctional Tourniquet (SJT). Time to hemostasis and total blood loss were log-transformed and analyzed using a mixed model analysis of variance (ANOVA) with the users represented as random effects and the tourniquet model used as the treatment effect. Preference scores were analyzed with ANOVA, and Tukeys honest significant difference test was used for all post-hoc pairwise comparisons. RESULTS All tourniquet uses were 100% effective for hemorrhage control. For blood loss, CRoC and SJT performed best with least blood loss and were significantly better than JETT; in pairwise comparison, CRoC-JETT (P .5, all models). CONCLUSION The CRoC and SJT performed best in having least blood loss, CRoC performed best in having least time to hemostasis, and users did not differ in preference of model. Models of junctional tourniquet performed differentially by blood loss and time to hemostasis. Kragh JF Jr , Lunati MP , Kharod CU , Cunningham CW , Bailey JA , Stockinger ZT , Cap AP , Chen J , Aden JK 3d , Cancio LC . Assessment of groin application of junctional tourniquets in a manikin model. Prehosp Disaster Med. 2016;31(4):358-363.


Prehospital Emergency Care | 2018

Prehospital Application of Hemostatic Agents in Iraq and Afghanistan

Steven G. Schauer; Michael D. April; Jason F. Naylor; Joseph K. Maddry; Allyson A. Arana; Michael A. Dubick; Andrew D. Fisher; Cord W. Cunningham; Anthony E. Pusateri

Abstract Introduction: Hemorrhage is the leading cause of death on the battlefield. Development of chitosan- and kaolin-based hemostatic agents has improved hemorrhage control options. Sparse data exists on the use of these agents in the prehospital, combat setting. We describe recent use of these agents and compare patients receiving hemostatic to the baseline population. Methods: We used a series of emergency department (ED) procedure codes to identify patients within the Department of Defense Trauma Registry (DODTR) from January 2007 to August 2016. We only included patients for whom the DODTR specified the hemostatic agent utilized (chitosan or kaolin). We defined a serious injury by body region as an Abbreviated Injury Score (AIS) of 3 or greater. Results: Our predefined search codes captured 28,222 patients. Of those, 258 (0.9%) patients had documented hemostatic use: 58 chitosan, 201 kaolin, and one subject received both. Patients undergoing hemostatic agent application were more likely to be injured by gunshot wound or explosive. Patients with hemostatic application had higher median composite Injury Severity Scores (10 vs. 9, p < 0.001), and higher AIS for the abdomen, extremity and superficial body regions with higher rates of blood product utilization. Proportions of patients suffering traumatic amputations and undergoing tourniquet application were higher in the hemostatic agent group than the baseline population (11.6% vs. 6.7%, p = 0.002 and 43.4% vs. 13.8%, p < 0.001, respectively). Conclusions: Hemostatic agents were infrequently utilized to manage traumatic hemorrhage during the recent conflicts in Afghanistan and Iraq. Hemostatic agent use was more frequent in casualties with gunshot wounds, traumatic amputations, concomitant tourniquet application, and greater blood product administration.”


Military Medicine | 2018

Airway Management for Trauma Patients

Benjamin Walrath; Stephen A. Harper; Ed Barnard; Joshua M. Tobin; Brendon Drew; Cord W. Cunningham; Chetan Kharod; James Spradling; Craig Stone; Matthew J. Martin

Trauma airway management is a critical skill for medical providers supporting combat casualties since it is an integral component of damage control resuscitation and surgery. This clinical practice guideline presents methods for optimizing the airway management of patients with traumatic injury in the operational medical treatment facility environment. The guidelines represent the knowledge and experience of 10 co-authors from 3 allied countries representing Emergency Medicine, Surgery and Anesthesia.


Military Medicine | 2018

Prehospital Resuscitation Performed on Hypotensive Trauma Patients in Afghanistan: The Prehospital Trauma Registry Experience

Steven G. Schauer; Jason F. Naylor; Michael D. April; Andrew D. Fisher; Cord W. Cunningham; Jessie Fernandez; Brian P Shreve; Vikhyat S. Bebarta

INTRODUCTION Hemorrhage is the leading cause of potentially preventable death on the battlefield. Hypotension in the setting of trauma portends a higher rate of mortality. We describe the interventions for trauma-related hypotension performed in the prehospital combat setting in accordance with Tactical Combat Casualty Care (TCCC) guidelines. MATERIALS AND METHODS We searched the Prehospital Trauma Registry for casualties from January 2013 to September 2014. Within that group, we searched for all casualties with documented hypotension by either measured systolic blood pressure ≤90 mmHg or a weak or absent radial pulse documented by the prehospital provider. We used descriptive statistics to analyze the interventions performed in our study sample. RESULTS Of the 705 casualties available for query, 134 (19.0%) casualties with documented hypotension met inclusion criteria. Most casualties with hypotension had an alert mental status (70.1%), had a medical officer in their chain of care (59.0%), were Afghan (64.2%), and evacuated on an urgent status (78.4%). Explosives were the most frequent mechanism of injury (50.7%). There were 42 fluid administrations documented on 33 (24.6%) casualties. The most common fluid administered was normal saline (52.4%) followed by hetastarch solution (33.3%). There was one documented use of a fluid warmer in this cohort. One subject received four units of packed red blood cells. No other casualties had documented blood product administration. There were no documented administrations of PlasmaLyte. There were four casualties that received lactated Ringers. CONCLUSION Most casualties with documented hypotension after trauma in the Prehospital Trauma Registry did not receive prehospital blood or fluid intervention. Of the interventions performed, most did not match with contemporary TCCC guidelines.


African Journal of Emergency Medicine | 2018

A descriptive analysis of casualties evacuated from the Africa area of operations

Steven G. Schauer; Michael D. April; Jason F. Naylor; Joseph K. Maddry; Donald Keen; Cord W. Cunningham; Tyson E. Becker; Thomas Walters; Sean Keenan

Introduction The United States (US) military has expanded its area of operations into Africa. This medically immature theater is spread across a large region where prolonged field care (PFC) events are likely to occur. We describe trauma cases reported in the Africa Command (AFRICOM) area of operations to date within the Department of Defense Trauma Registry (DODTR). Methods We queried the DODTR for all subjects evacuated from the AFRICOM area of operations from January 2002 to June 2017. Results There were 49 subjects in the registry during our time frame from AFRICOM. Most of the evacuations came from Djibouti (53%). The median age was 29 years, most evacuees being male (92%). Non-battle injuries accounted for most of the injuries (82%), and most were US military (90%). All battle injuries were gunshot wounds (GSW). Composite injury scores were low (median 4, IQR 4–9.5). All subjects survived to hospital discharge. GSWs (22%) and sports injuries (24%) accounted for most evacuations. Serious injuries most frequently involved the extremities (18%) and the thorax (12%). The most frequent major injuries were open fractures (22%) and abdominal injuries (10%). The most frequent facility-based interventions performed were wound debridement (29%) and fracture/joint dislocation reduction (22%). Discussion Based on this dataset, most of the injuries from AFRICOM were non-battle injuries. All battle injuries were GSWs. Our study highlights the differences in casualty care needs in this region which contrast the primary explosive-based injuries seen within United States Central Command (CENTCOM) operations. The limitations of this dataset highlight the potential value of a Joint Trauma Service (JTS) data collection mandate and resource support for units within this region to facilitate targeted improvements in medical care.


Prehospital and Disaster Medicine | 2017

A Pilot Project Demonstrating that Combat Medics Can Safely Administer Parenteral Medications in the Emergency Department

Steven G. Schauer; Cord W. Cunningham; Andrew D. Fisher; Robert A. DeLorenzo

Introduction Select units in the military have improved combat medic training by integrating their functions into routine clinical care activities with measurable improvements in battlefield care. This level of integration is currently limited to special operations units. It is unknown if regular Army units and combat medics can emulate these successes. The goal of this project was to determine whether US Army combat medics can be integrated into routine emergency department (ED) clinical care, specifically medication administration. Project Design This was a quality assurance project that monitored training of combat medics to administer parenteral medications and to ensure patient safety. Combat medics were provided training that included direct supervision during medication administration. Once proficiency was demonstrated, combat medics would prepare the medications under direct supervision, followed by indirect supervision during administration. As part of the quality assurance and safety processes, combat medics were required to document all medication administrations, supervising provider, and unexpected adverse events. Additional quality assurance follow-up occurred via complete chart review by the project lead. Data During the project period, the combat medics administered the following medications: ketamine (n=13), morphine (n=8), ketorolac (n=7), fentanyl (n=5), ondansetron (n=4), and other (n=6). No adverse events or patient safety events were reported by the combat medics or discovered during the quality assurance process. CONCLUSIONS In this limited case series, combat medics safely administered parenteral medications under indirect provider supervision. Future research is needed to further develop this training model for both the military and civilian setting. Schauer SG , Cunningham C W, Fisher AD , DeLorenzo RA . A pilot project demonstrating that combat medics can safely administer parenteral medications in the emergency department. Prehosp Disaster Med. 2017;32(6):679-681.


Wilderness & Environmental Medicine | 2015

A Novel Method to Decontaminate Surgical Instruments for Operational and Austere Environments

Randy W. Knox; Samandra T. Demons; Cord W. Cunningham

OBJECTIVE The purpose of this investigation was to test a field-expedient, cost-effective method to decontaminate, sterilize, and package surgical instruments in an operational (combat) or austere environment using chlorhexidine sponges, ultraviolet C (UVC) light, and commercially available vacuum sealing. METHODS This was a bench study of 4 experimental groups and 1 control group of 120 surgical instruments. Experimental groups were inoculated with a 10(6) concentration of common wound bacteria. The control group was vacuum sealed without inoculum. Groups 1, 2, and 3 were first scrubbed with a chlorhexidine sponge, rinsed, and dried. Group 1 was then packaged; group 2 was irradiated with UVC light, then packaged; group 3 was packaged, then irradiated with UVC light through the bag; and group 4 was packaged without chlorhexidine scrubbing or UVC irradiation. The UVC was not tested by itself, as it does not grossly clean. The instruments were stored overnight and tested for remaining colony forming units (CFU). RESULTS Data analysis was conducted using analysis of variance and group comparisons using the Tukey method. Group 4 CFU was statistically greater (P < .001) than the control group and groups 1 through 3. There was no statistically significant difference between the control group and groups 1 through 3. CONCLUSIONS Vacuum sealing of chlorhexidine-scrubbed contaminated instruments with and without handheld UVC irradiation appears to be an acceptable method of field decontamination. Chlorhexidine scrubbing alone achieved a 99.9% reduction in CFU, whereas adding UVC before packaging achieved sterilization or 100% reduction in CFU, and UVC through the bag achieved disinfection.


Military Medical Research | 2018

Combat lifesaver-trained, first-responder application of junctional tourniquets: a prospective, randomized, crossover trial

Ismael Flecha; Jason F. Naylor; Steven G. Schauer; Ryan A. Curtis; Cord W. Cunningham


Military Medicine | 2017

Military Emergency Medical Service System Assessment: Application of the National Park Service Needs Assessment and Program Audit to Objectively Evaluate the Military EMS System of Okinawa, Japan

Elliot M. Ross; Stephen A. Harper; Cord W. Cunningham; Benjamin Walrath; Gerard DeMers; Chetan Kharod


Wilderness & Environmental Medicine | 2016

Battlefield Analgesia and Adherence to TCCC Guidelines: A Quality Assurance Analysis

Steven G. Schauer; Andrew D. Fisher; Michael D. April; Cord W. Cunningham; James K. Aden; Jessie Fernandez; Robert Carter; Robert A. DeLorenzo; Derek Brown

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Steven G. Schauer

San Antonio Military Medical Center

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Jason F. Naylor

Madigan Army Medical Center

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Michael D. April

San Antonio Military Medical Center

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Benjamin Walrath

San Antonio Military Medical Center

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Chetan Kharod

University of Texas Health Science Center at San Antonio

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Chetan U. Kharod

San Antonio Military Medical Center

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Joseph K. Maddry

San Antonio Military Medical Center

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Robert A. DeLorenzo

University of Texas at Austin

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Stephen A. Harper

New York City Fire Department

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