Page 56 - Journal of Special Operations Medicine - Fall 2014
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Table 4  Clinical Case Reports With Muscoadhesive Hemostatic Dressings
           Author/Year      Dressing      Injury        Blood Loss       Survive         Fluid Resuscitation                                                                        Comments
           Arul et al./2012  CEG     GSW to          Patient in shock,   Yes; 3 weeks   30U RBCs; 30U plasma                           Case report 1: 25-year-old male; CEG used on combat casualties after conventional surgical attempts to achieve vascular
                                     transpelvic     93/37mmHg        discharged                                                       control in the pelvic region failed. Four rolls of CEG were packed into wound with direct pressure resulting in rapid
                                                                                                                                       hemostasis.
           Arul et al./2012   CEG    IED blast                        Yes; discharged                                                  Case report 2: The Medical Emergency Response Team (MERT), Royal Air Force, Camp Bastion, Afghanistan. 22-year-old
                                                                                                                                       male; two tourniquets were placed in the field; patient transferred to MERT; MERT personnel packed perineal region with
                                                                                                                                       CEG due to severe bleeding. Patient arrived at field hospital in shock (BP 78/52mmHg; core temperature 32.9°C; blood pH
                                                                                                                                       6.86). Bleeding could not be stopped with gauze wound packing and pelvic external fixation. Four rolls of CEG were then
                                                                                                                                       packed into peritoneal cavity followed by standard gauze. Patient recovered weeks later. No complications reported with
                                                                                                                                       prolonged CEG packing.
           Muzzi et al./2012  CEG    Acute aortic    Coagulopathic on   Yes; discharged  Blood products administered                   Case report: 59-year-old male; despite the use of FFP, platelets, and pharmacological interventions, bleeding control was
                                     dissection      admission                      to control excessive bleeding                      not attained. CEG was cut into strips (10–20cm), which were used to pack the sternal edges and pericardium. After CEG
                                                                                                                                       application, bleeding dramatically decreased. Coagulation parameters improved significantly over the next 36 hours.
           Muzzi et al./2012   CEG   Acute prosthetic   Preoperative   Yes; discharged  Thromboelastography and                        Case report: 55-year-old male; same procedure with CEG strips used as described in preceding report. At 48 hours post
                                     endocarditis;   IV heparin                     coagulation profile tests                          surgery, bleeding stopped completely.
                                     4 months post   with impaired                  confirmed severe coagulation
                                     aortic dissection   coagulation state.         system impairment,                                 In this and the above case reports, the authors demonstrated the use of CEG to be lifesaving due to the compressive effect
                                     surgery                                        which precluded surgical                           with the ability to cause hemostasis in the presence of circulating heparin.
                                                                                    homeostasis.
           Schmid et al./    CEG     Cesarean section                 Yes; discharged  10U PRBCs, 7U plasma,                           Case report: 32-year-old female; 4 hours post surgery, vaginal bleeding continued after failed attempts at post 2 hours.
           2012                      at 37 weeks for                                2g fibrinogen                                      CEG was packed uterovaginal and left in place 36 hours; hemostasis achieved.
                                     placenta previa
           Schmid et al./    CEG     PPH; 8 vaginal                   Yes; discharged  Patients received ≥10U PRBCs                    Case reports: 19 cases of PPH due to uterine atony, placenta accreta/increta, or coagulopathy, including 5 severe cases where
           2013                      and 11 cesarean                                in five cases and less (2–4U) in                   a hysterectomy seemed inevitable otherwise. Celox Gauze left in place for 24–30 hours. In all but one case, the bleeding
                                     deliveries                                     seven cases. In the other cases,                   stopped and further interventions were avoided. Over comparable periods of time (18 months) and births (3822 vs. 4077)
                                                                                    no blood transfusions were                         before and after the introduction of the CEB in our clinic, the rate of peripartum hysterectomies was reduced by 75% (8 vs.
                                                                                    necessary.                                         2; odds ratio 4.27; p = .044). Celox Gauze is an effective option in the treatment of severe PPH. It is easy to use and requires
                                                                                                                                       no special training. It can be used after both vaginal and cesarean deliveries, and there were no adverse side effects.
           Tan/2011          CEG     GSW, IED, crush,                 Yes; discharged                                                  Case reports: Dutch Field Hospital, Camp Holland, Afghanistan. Seven traumatic injuries are described with the application
                                     fall from height                                                                                  of CEG during air medical evacuation and patients in the emergency department, or operating room; injuries were to lower
                                                                                                                                       extremities, pelvic region, neck, ear and nose; in six of seven cases, CEG successfully stopped the bleeding. The fall from
                                                                                                                                       a height caused head trauma, and CEG application was unsuccessful due to lack of vessel contact. Two patients had CEG
                                                                                                                                       applied success to wounds for 12- and 24-hour durations without complications. Dutch medical personal preferred CEG for
                                                                                                                                       ease of use and effectiveness; no side effects reported.
          Note: CEG, Celox Gauze; PPH, postpartum hemorrhage; PRBC, packed red blood cell.


          strongly suggest hemostatic dressing effectiveness when   standard safety testing is to evaluate for an adverse (i.e.,
          applied in the prehospital setting. Anecdotally, some   toxic) effect of chemicals that may be eluted or extracted
          limited  informal  surveys  from  medics  and corpsman   from a medical device. Consequently, these tests do not
          (not  all  conventional  and Special  Operations  Forces)   evaluate any product for biocompatibility and whether
          also indicate a high percentage of product (Combat   they are safe for applying over an external wound with
          Gauze) success. Some of these are described in the Navy   potential access to the systemic circulation. These stan-
          Medical Lessons Learned Survey on medical products   dard safety tests required by the FDA for medical de-
          used in the combat setting. Nearly half of the survey   vices appear to be inadequate for hemostatic products
          respondents had used a hemostatic agent on their casu-  that are particularly prothrombotic and/or granular in
          alties and, of those, 129 used Combat Gauze; 24 used   nature.
          ChitoGauze; and 9 used Celox Gauze. Most agreed, or
          strongly agreed, that they were effective in controlling   To date, no studies have reported using the same safety
          hemorrhage (90.7%, 79.2%, and 100%, respectively).   evaluations on any other hemostatic products that rep-
                                                             licate those done by Kheirabadi et al. in 2010 for Com-
          Hemostatic Product Safety                          bat Gauze (kaolin imbedded in gauze) and WoundStat
          Hemostatic agents are viewed by the FDA as Class II   (smectite—clay minerals applied as granules).  The pos-
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          (510K) medical devices and have received marketing   sible reason for the lack of studies using these methods
          clearance by proving that the new products are equiv-  could be the lack of an accepted consensus agreement
          alent to similar agents already approved for  external   among DoD and academic laboratories for standardized
          temporary use to control bleeding. The intent of FDA   safety testing. Safety testing at the USAISR was initiated



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