Page 91 - Journal of Special Operations Medicine - Spring 2015
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Methods                                            zone. The Department of the Army, Office of the Sur­
                                                                 geon General, mandated their attendance of this course.
              This was an institutional review board­approved, di­  During this 5­day course, students are shown individual
              rect observational study to assess accurate completion   and team lifesaving interventions that support the goals
              of the TCCC Card collected as part of an established   of TCCC. The TCMC course is located at Fort Sam
              precombat deployment medical training curriculum, the   Houston, Texas, and it is a pillar program of the Center
              TCMC course. This course is primarily attended by US   for Predeployment Medicine within the Army Medical
              Army physicians, physician assistants, and nurse prac­  Department Center and School.
              titioners prior to combat deployment. The accuracy of
              completing a TCCC Card was determined by using a   These students are required to participate in Care Un­
              point system. The point system was based on 12 entry   der Fire and Tactical Field Care trauma lanes designed
              fields on the card being correctly completed, incorrectly   to simulate a combat environment. Each of the trauma
              completed, or not completed at all, using a score key for   lanes had four manikins weighing 185–200lb each and
              each manikin’s injuries. A final score was determined by   dressed in full combat equipment, including Army com­
              summing the total points achieved and then dividing by   bat uniform with boots, body armor, and IFAK with a
              the total possible points.
                                                                 TCCC card. Each manikin had permanent simulated
                                                                 wounds applied by the program cadre well in advance
              The median flight time for US military tactical helicop­  of the study. In a combat environment, the TCCC Card
              ter evacuation in Afghanistan over the past 5 years is   should already have the name and allergies section filled
              43 minutes (R.S. Kotwal, personal communication,   out by the soldier prior to placement in the IFAK. The
              June 2014). The amount of time afforded each student   remainder of the card was to be completed by treating
              while on a trauma lane was 45 minutes. This included   medical  or  nonmedical  personnel  and  attached  to  the
              a 5­minute briefing and after­action review at the be­  soldier  upon  becoming  a  casualty.  Students  attending
              ginning and end of trauma lane training, respectively,   TCMC receive didactic education and practical exercise
              bringing the actual time on the trauma lane to 35 min­  training on the completion of the TCCC Card prior to
              utes. A prevalent argument as to why TCCC Cards are   the trauma lanes as part of the training curriculum.
              not completed is lack of time. The goal of our study and
              that of the TCMC staff was to conduct trauma lanes as   On Monday, Day 1, students experienced a demonstra­
              close to current battlefield trends as possible. The two   tion by the cadre on the three phases of care, including
              primary outcome measures were to complete a TCCC   the use of a TCCC Card as a means of patient documen­
              Card and to assess accuracy of the completed card.
                                                                 tation. On the morning of Wednesday, Day 3, students
                                                                 received a 30­minute didactic lecture and practical exer­
              The inclusion criterion was a manikin with a TCCC   cise on how to complete a TCCC Card. That afternoon,
              Card physically attached at the time of handoff to simu­  students participated in a Care Under Fire and Tactical
              lated tactical helicopter evacuation personnel, as deter­  Field Care trauma lane in a simulated combat environ­
              mined by TCMC staff. The exclusion criterion was a   ment, including the use of a TCCC Card for patient
              manikin without a TCCC Card physically attached at   documentation. The training on Wednesday included
              the end of trauma lane scenario at the time of handoff to   mentoring by the cadre to instill muscle memory in all
              tactical helicopter evacuation personnel, as determined   aspects of life­saving interventions and patient docu­
              by TCMC staff.
                                                                 mentation. Upon completion of the Tactical Field Care
                                                                 phase, students were required to transport the patient to
              Informed consent was waived, since this was a direct   a simulated helicopter landing zone, where they handed
              observational study and the data were not attributable   off the casualty to mock tactical helicopter evacuation
              to  specific  individuals.  No  identifiable  information  or   personnel. At that point, an end of exercise was declared
              protected health information was collected on subjects   by the cadre and an after­action review was conducted.
              during this study and there were no direct benefits for
              the subjects whose data were analyzed. Our hypothesis   On Friday, Day 5, the last day of training for each
              was there was not a training deficit on using a TCCC   TCMC  course,  students  participated  in  Care  Under
              Card at the TCMC course. The null hypothesis was   Fire and Tactical Field Care trauma lanes in a simulated
              there was a training deficit on using a TCCC card at the   combat environment. Each iteration of the trauma lane
              TCMC course.
                                                                 exercise was increasingly more difficult in order to fur­
                                                                 ther stress the student, incorporate nonmedical and ad­
              Setting                                            ditional tactical aspects into the scenarios, and to strive
              The TCMC course is a US Army medical predeployment   for a mass casualty situation. Students encountered two
              training course for physicians, physician assistants, and   of four possible scenarios, with each scenario selected at
              nurse practitioners prior to their deployment to a combat    random and conducted by an unbiased cadre. Although



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