Page 69 - JSOM Spring 2025
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The evacuation doctor accompanying the patient during trans-  blood transfusion and CPR. Once resuscitated, no patient re-
              port applied the AAJT-S and started CPR. ROSC was achieved   quired vasopressor support. One patient died while awaiting
              prior to arrival at Role 2.                        transport to Role 3. One patient died of wounds 10 days af-
                                                                 ter wounding. Four patients survived to discharge. Three of
              After arrival to Role 2a, AAJT-S was removed (application   these were followed and found to be neurologically intact. The
              time 30 minutes), and REBOA was initiated. The abdominal   fourth patient was lost to follow-up, but no record of death
              cavity was packed, chest seals applied, and a chest thoracos-  matched his name and date of birth at 18 months.
              tomy was performed. Component blood products and blood
              plasma were transfused.
                                                                 Discussion
              DCS was performed at Role 2b with partial liver resection and   The introduction of field stabilization points and the com-
              injured bowel resection. He was alive at the time of transfer   mencement of DCS near the frontline in the first month of
              to the Role 3 facility. An effort was made to check the status   the war reduced observed mortality (unpublished observa-
              of  the patient, and  no record  of death  exists  at  18 months   tions). We believe that life-saving interventions (such as the
              post-wounding.                                     AAJT-S to stop bleeding at Role 1) in conjunction with lyo-
                                                                 philized plasma and blood transfusion by the Combat Medic
              Patient 6                                          at the point of wounding and during evacuation are effective.
              Patient 6 sustained injuries after stepping on a landmine. He   We provide simple immediate DCS at Role 2a and full DCS
              incurred a traumatic above-the-knee amputation of the left leg   at Role 2b. The early administration of blood products and
              at the level of the lower 1/3 of the thigh, multiple wounds of   whole blood and the use of blood-warming technology have
              the right thigh and lower leg, and damage to the deep femoral   been instrumental in improving outcomes.
              artery of the right thigh. He also sustained a gunshot wound
              to the pelvis with extensive destruction of the pelvic bones as   These  cases  and experiences  throughout  Ukraine,  where air
              well as damage to the intestines and bladder.      evacuation is not possible, illustrate the challenges and neces-
                                                                 sity of using this approach to patient management. Six out
              The combat medic reached the casualty 30 minutes after   of six cases of TCA were successfully resuscitated with the
              wounding. Extremity tourniquets were applied to both thighs.   AAJT-S. At the forward surgical stabilization site, TCA from
              On arrival at Role 2a, the patient was unstable with a sys-  hemorrhage is an especially challenging issue. Traditional tho-
              tolic pressure of 60mmHg. Shortly after arrival, he went into   racotomy with aortic clamping comes with consequences best
              cardiac  arrest.  The  AAJT-S  was  applied,  cardiopulmonary   managed in a large, well-lit, and resourced hospital, not in a
              resuscitation was initiated, and four units of plasma and 2L   field environment. Published data and our experience with the
              of lactated Ringers were infused. The patient had a return of   device show no complications when applied for less than 2
              spontaneous circulation. A pelvic splint was applied. The pa-  hours at this location. 9
              tient stabilized, and no vasopressors were required.
                                                                 Animal studies conducted in 2017 by the U.S. Air Force 59th
              Unfortunately, due to effective artillery fire focused on the hos-  Medical Wing demonstrated 83% ROSC after 3 minutes of
              pital, the evacuation of this wounded man could not be carried   asystole following hemorrhagic shock.  In  their study, the
                                                                                                4
              out. He died of wounds 3 hours and 10 minutes after arriving   AAJT-S was applied, blood was transfused, and CPR was
              at the Role 2 facility while awaiting evacuation transport.  performed. This study had a clear, direct application to the
                                                                 problem of TCA in casualties at the forward surgical stabili-
                                                                 zation point in Ukraine. Therefore, we believed we could ap-
                                                                 ply the device, initiate blood transfusion, and begin CPR in
                                                                 patients with limited asystolic times. Further human data on
                                                                 the use of the AAJT-S with TCA patients has demonstrated the
                                                                 effectiveness of the AAJT-S for this use. 5

                                                FIGURE 2  The    TCA has an extremely low rate of success, with only one in 20
                                                abdominal aortic   surviving and only 40% of survivors with a favorable neuro-
                                                and junctional   logical outcome.  This case series examines the utility of this
                                                                              8
                                                tourniquet –     novel truncal tourniquet in TCA, particularly on the modern
                                                stabilized (AAJT-S)
                                                applied to traumatic   battlefield where air superiority is non-existent and there are
                                                cardiac arrest   prolonged evacuation times. Medical care in war cannot re-
                                                (TCA) patient.   main static, and we must always innovate and advance. The
                                                                 use of the AAJT-S in cases of TCA has allowed the control of
                                                                 hemorrhage, the benefits of increased mean arterial pressure,
                                                                 and the ability to focus the effects of resuscitative interven-
                                                                 tions on the upper torso.

                                                                 The administration of blood and CPR has also provided
                                                                 focused benefits to the organs above the level of applica-
                                                                 tion.  This ensured that resuscitative efforts went imme-
              Results
                                                                 diately  and  preferentially  to  the  heart,  lungs,  kidney,  and
              All six patients in TCA due to hypovolemic shock were suc-  brain. The device performs the same physiological function
              cessfully  resuscitated using  the AAJT-S in  combination with   as Zone 3 REBOA at the abdominal application site over

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