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choosing which one to provide medics in the future.   in  effectiveness rate and 57 seconds less in average time
          The present testing closely followed a similar study con-  to effectiveness; future assessments may include learning
          ducted by military physicians (J.F. Kragh Jr, unpublished   metrics.
          observations). In normal human volunteers and using
          similar methods as to those in the present testing, the   In summary, new evidence of junctional tourniquets
          prior study was consistent with the current testing as   used by medics for difficult inguinal bleeding indicates
          it also found that the CRoC and SJT performed well   that the SJT and the CRoC performed well and were
          among the four models.                             preferred by the testers.

          Limitations  of  the  present  testing  are  numerous.  The
          absence  of the Navy and Air  Force testers  limits  the   Funding
          generalizability of the results. The test plan was con-  This project was funded with internal USAISR funds
          strained by a common FDA-approved indication for in-  and  the  Defense  Health  Program  (Proposal  201105:
          guinal bleeding; therefore, that was the region of use.   Operational system management and post-market sur-
          The axilla and other areas were unassessed; the AAJT   veillance of hemorrhage control devices used in medical
          was not cleared at the time of the testing for groin use   care of US servicepersons in the current war).
          except by central application through periumbilical aor-
          tic compression.
                                                             Disclaimers
          After the present testing occurred, the AAJT received a   The opinions or assertions contained herein are the pri-
          newly FDA-approved indication for unilateral groin ap-  vate views of the authors and are not to be construed
          plication. This new indication means that the AAJT can   as official or reflecting the views of the Department of
          now be placed directly on the inguinal area to control   Defense or United States Government. The authors are
          ipsalateral inguinal hemorrhage instead of being placed   employees of the US Government. This work was pre-
          on the periumbilical area for a unilateral inguinal hem-  pared as part of their official duties and, as such, there is
          orrhage. The two compression sites, periumbilical and   no copyright to be transferred.
          groin, for the inguinal indication in question for the
          AAJT, appear to have substantially different pain levels
          as the groin placement is more comfortable (M. Lyon,   Disclosures
          et al., unpublished observations). Because the present   The authors declare no conflicts of interest.
          test  preceded  clearance  of  direct  inguinal  application,
          the test plan subsequently became biased against the
          AAJT. The time allotted to training before testing was   References
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