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training. 22–25  Unfortunately, we are unable to report success   Emergency War Surgery book, and the Joint Trauma System
              rates given data set limitations.                  (JTS) clinical practice guidelines (CPGs) throughout their cur-
                                                                 riculum to ensure that MOs and medics have the most up-to-
              There is some reporting of LSIs from the battlefield and Role 1   date medical information to lower the preventable death rate
              setting. Lairet et al. identified that out of 2,106 patients evacu-  on the battlefield. The JTS CPGs and Emergency War Surgery
              ated from Role 1 to a higher role of care, providers at the receiv-  book differ from what is currently recommended by CoTCCC.
              ing facility identified 360 (17%) missed LSIs, including 56 (3%)
              airway interventions, 24 (1%) chest procedures, 57 (3%) hemor-  Documentation of medical  care in the prehospital setting is
              rhage control interventions (of which six were tourniquets), 160   a well-known limiting factor for improving battlefield med-
              (8%) vascular access interventions, and 63 (3%) hypothermia   icine. 9,33–35  We found that documentation rates were signifi-
              prevention opportunities.  The two most commonly performed   cantly higher among casualties treated by MOs than medics.
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              interventions were establishing vascular access and hemorrhage   This may be in part due to the extensive emphasis placed on
              control. Our findings also demonstrate that hemorrhage control   documentation throughout clinical training for physicians and
              and intravenous (IV) access/fluids were the most common ther-  PAs. Moreover, the MOs are likely at the BAS, which is a more
              apies instituted by MOs and medics. Gerhardt et al. performed   well-controlled and safer setting. Medics at the POI may be
              an analysis on LSIs by MOs and medics at the POI and battalion   caring for patients in poorly lit conditions with an emphasis
              aid station (BAS).  Similar to our findings, MOs were associated   placed on rapid evacuation. Therefore, delays in evacuation
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              with more advanced interventions, including 89% of the needle   for documentation may not be feasible and ex post facto doc-
              or tube thoracostomies, 100% of the ETIs, and 75% of the sur-  umentation via TCCC AARs may not be well emphasized
              gical cricothyroidotomies. Although MO level of training may   among unit leadership. Additionally, this may suggest that
              explain the greater incidence of complex procedures such as ETI   nonmedical personnel should be trained to support the medics
              and tube thoracostomy, several of the interventions captured in   at the POI by documenting at their direction.
              our study are within the scope of practice of medics and we found
              that MOs performed more of these LSIs than medics. We suspect   While 87% of combat deaths occur in the prehospital setting,
              this may be partially explained by the MO typically leading a re-  efforts to improve prehospital care are limited.  Mabry and De
                                                                                                    5
              suscitation team comprised of six to eight medics within the con-  Lorenzo outlined major challenges to improving prehospital
              trolled environment of the BAS, while some medics may have been    care.  Commanders of maneuver units own the battlespace and
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              at or near the POI delivering care alone with only their aid bag.  by proxy the medical care that is provided. Despite this, the ser-
                                                                 vice medical commands maintain control over the training and
              Medication administration and adherence to the TCCC guide-  doctrine associated with prehospital healthcare. Another chal-
              lines have been poor over the course of the conflicts in Af-  lenge in improving prehospital combat medicine is the system
              ghanistan and Iraq. 9,28–32  In this study, MOs had higher rates   that assigns MOs to deploying units. It is important that military
              of antibiotic administration. This is consistent with a previous   physicians maintain competency through patient care, which
              analysis we performed of DoDTR data that demonstrated of   many times requires them to work in a hospital as opposed to
              297 prehospital antibiotic administrations, 73.4% were by   performing staff duties with a unit. Additionally, physicians that
              an MO, however only six (2.4%) were recommended within   have limited understanding of their medics’ abilities and scope
              TCCC guidelines.  MOs also administered morphine and hy-  of practice may impede adherence to TCCC guidelines. 28–32,37–39
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              dromorphone more frequently than medics. Although hydro-  In a recent study, 41% of medical providers had not completed
              morphone was unlikely to be issued to medics going out on   TCCC training.  The military would benefit from more phy-
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              missions, the same cannot be said of morphine and antibiotics.   sicians with an operational medicine focus and subject matter
              The lower rates of drug administration among medics may   expertise in battlefield medicine. 35,36,41  Our study demonstrates
              be attributed to working on their own at the POI, in which   that physicians were frequently involved in the chain of care for
              interventions addressing more immediate life-threats, such as   casualties in forward staged areas, further supporting the need
              tourniquets and tranexamic acid, take priority.    for them to be appropriately trained (e.g., a military specific
                                                                 curriculum during graduate and post-graduate training).
              Many MOs and senior medics in the US Army have attended
              the Tactical Combat Medical Care (TCMC) Course at Fort   Within the US Army, combat medics have constantly changed
              Sam Houston, Texas, before deployment. The course is offered   guidelines and tasks lists. The current version, the Individual
              by the Health Readiness Center of Excellence and is one week   Critical Task Lists (ICTLs), is not always well aligned with the
              in duration. It focuses on Role 1 care, but there is also discus-  TCCC guidelines. The variations between ICTLs and TCCC
              sion on Role 2 care. The course is based on known trauma   may cause confusion for the medic providing care at the POI.
              resuscitation methods, lessons learned from past and current   The ICTLs must be tested annually, which is likely more often
              combat environments, and from newly developed technology.   than TCCC. In addition to ICTLs, combat medics use the Sol-
              Additionally, TCMC teaches MOs and senior medics the injury   dier’s Manual and Trainer’s Guide (STP 8-68W13-SM-TG),
              patterns of combat casualties and the constraints in delivering   which outlines the required tasks that must be trained on
              medical care on the battlefield and in urban environments.   quarterly  to annually, for  skill levels  ranging from 10-30.
              While  the  TCMC  course  is  mostly  offered  to  MOs,  it  does   While the STP is not all-inclusive of the training needed to
              encourage the MOs to bring their medics for a team approach   make a combat medic more effective during battlefield medi-
              to patient care. Another source of predeployment training is   cine and while conducting DNBI treatment, it does provide a
              the Brigade Combat Team Trauma Training (BCT3) Course.   foundation. When noncommissioned officers (NCOs) conduct
              This course focuses on Role 1 and Role 2 care. The BCT3   the training needed to assess the level of proficiency of their
              course is offered to maneuver unit medical sections. Typically,   medics, they use the STP and ICTLs. However, the problem
              the deploying medical team will attend the course together.   that arises is that the STP and ICTLs do not always align with
              Both TCMC and BCT3 use current CoTCCC guidelines, the   the most current CoTCCC guidelines. The STP is published by

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