Page 93 - JSOM Fall 2019
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Methods                                            FIGURE 1  Anatomical Location of Injury
              This was a convenience sample of 11 injury and treatment
              reports of US- and ally-owned MWDs from February 2008
              to December 2014. The canines in this dataset were specifi-
              cally multipurpose canines (MPCs) and were typically used on
              raids with SOF. This was evaluated as a performance improve-
              ment project, and the University of Texas Institutional Review
              Board determined this to be nonregulated research. Clinical
              data from battlefield treatment were obtained through the
              160th SOAR database and supplemental operational sources.
              A single individual collected the data and maintained the data-
              set. One animal was wounded in two separate scenarios and,
              thus, had two entries into the database.
              Data collected included the mechanism of injury (GSWs,
              blast-related injuries, or nontraumatic [heat illness]); clinical
              interventions performed on the MWD, when these interven-
              tions were performed (point of injury [POI] or en route); and   TABLE 2  Prehospital Interventions
              the clinical outcome. As with human combat casualties, an-               Point of   En Route   Prehospital
              imals were considered wounded in action (WIA) if they sur-               Injury,   Care,   Setting,
              vived their wounds, killed in action (KIA) if they died before          % (n/N*)  % (n/N*)  % (n/N*)
              reaching a treatment facility, and died of wounds (DOW) if   Airway interventions
              they arrived at a treatment facility but died before discharge.   Nasopharyngeal airway  6 (1/17)  0 (0)  4 (1/24)
              Interventions were grouped as airway interventions, chest in-  Cricothyroidotomy  6 (1/17)  14 (1/7)  8 (2/24)
              terventions, hemorrhage control, vascular access, and analge-  Chest interventions
              sics (Table 1). In this study, resuscitation efforts and trauma   Needle decompression  6 (1/17)  0 (0)  4 (1/24)
              dressings were grouped under “hemorrhage control.”  Chest seal          12 (2/17)  14 (1/7)  13 (3/24)
                                                                 Hemorrhage control
              TABLE 1  Interventions Collected                    Oxyglobin            6 (1/17)  0 (0)   4 (1/24)
                Intervention Category      Interventions          Hextend               0 (0)   29 (2/7)  8 (2/24)
                                   Nasopharyngeal airway          Trauma dressing     41 (7/17)  14 (1/7)  33 (8/24)
              Airway management
                                   Cricothyroidotomy             Vascular access
                                   Chest needle decompression
              Chest procedures                                    Intravenous access   6 (1/17)  0 (0)   4 (1/24)
                                   Chest seal application         Intraosseous access   0 (0)  14 (1/17)  4 (1/24)
                                   Oxyglobin
              Hemorrhage control   Hextend                        Intravenous fluids   6(1/17)   0 (0)   4 (1/24)
                                   Trauma dressing               Analgesics †         12 (2/17)  14 (1/7)  13 (3/24)
                                   Intravenous access            *Total number of interventions performed at a particular stage of care
              Vascular access      Intraosseous access           † Analgesics included morphine and hydromorphone.
                                   Intravenous fluids
                                                                 MWDs that received trauma dressings, 50% received multiple
                                                                 applications. Two MWDs were administered analgesic agents,
              Results                                            to include morphine and hydromorphone. Additionally, one
              Eleven MWD reports were identified in this dataset, with 10   MWD received CPR at the point of injury.
              sustaining an injury secondary to trauma. One MWD was
              treated for dehydration/heat stress. Eighty percent of the   En Route Care
              MWDs sustained GSWs, 30% sustained blast-related inju-  Fifty percent of MWDs received at least one clinical interven-
              ries, and one MWD sustained both a single GSW and frag-  tion en route. Hemorrhage control was the most common en
              ment wounds from an explosion. The hindlegs were the most   route lifesaving intervention performed (43%), with the ad-
                                                                                    ®
              common  site  of injury  (50%)  (Figure  1). One  MWD  was   ministration of Hextend  given to 29% of MWDs (Table 2).
              catastrophically wounded due to an explosion. Eight MWDs   Additional interventions included the completion of a Tactical
              (80%) sustained injuries at more than one anatomical loca-  Combat Casualty Care (TCCC) card, administration of anal-
              tion. Additionally,  one handler  was injured along  with his   gesic agents, hypothermia prevention, and the administration
              MWD and experienced two small fragment wounds to his   of CPR, which was a continuation of CPR received at POI in
              right lower back from an explosion.                the single MWD.

              POI Care                                           Provider Type
              Seventy percent of MWDs received at least one clinical inter-  Ground medics provided the majority of medical care (71%).
              vention at the POI. Three dogs died within seconds to min-  Of the MWDs that received point of injury care, 71% re-
              utes of their injury from catastrophic, nonsurvivable wounds;   ceived care from the ground medic, 29% received care from
              therefore, no treatment could be administered. Of all POI   the ground force surgeon or physician assistant, and 14% re-
              interventions, hemorrhage control was the most common   ceived care from the handler. Of the MWDs that received en
              (47%), specifically trauma dressings (41%) (Table 2). Of the   route care, 80% received care from the flight medic, and 20%

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