Page 167 - Journal of Special Operations Medicine - Winter 2015
P. 167

•  Pulses distal to every tourniquet should be checked.   battlefield and were carried by medical and nonmedi-
              •  Correctly applied tourniquets can cause significant   cal personnel.  Transitioning this experience and lessons
                                                                            6
                pain, but this pain does not signify that the tourni-  learned to the civilian arena is extremely important. 7
                quet has been applied incorrectly or that it should be
                removed.                                         Hemorrhage Control with Hemostatic Dressings
              •  Pain should be managed with analgesics as appropri-  Dressings in various forms have been used for thou-
                ate, but not for patients in shock.              sands of years to help stop bleeding. At the start of the
                                                                 war in Afghanistan in 2001, the U.S. military used a
              Mistakes regarding tourniquets include the following:  gauze dressing that had not changed appreciably since
                                                                 World War I. Early in the war in Afghanistan, hemo-
              •  Not having an effective commercial tourniquet   static dressings were developed that were lightweight,
                  available                                      durable, and much more effective than standard gauze
              •  Not using a tourniquet when one should be used  at stopping bleeding. After significant feedback from ex-
              •  Using a tourniquet for minimal or minor bleeding   perienced military medics, in 2003 the CoTCCC recom-
                when one should not be used                      mended a hemostatic dressing that could be packed into
              •  Putting the tourniquet on too proximally        a wound but that had hemostatic performance that was
              •  Not making the tourniquet tight enough to effectively   superior to standard gauze. These dressings were often
                stop the bleeding                                used in conjunction with tourniquets but were especially
              •  Not using a second tourniquet if needed         useful in wounds not amenable to tourniquet use. 8
              •  Waiting too long to put the tourniquet on
              •  Not reevaluating the tourniquet’s effectiveness  Hemostatic dressings have been clearly shown to be a
              •  Periodically loosening the tourniquet to allow blood   valuable adjunct in external hemorrhage control when
                flow into the injured extremity                  the source of the bleeding is from a site not amenable
                                                                 to tourniquet placement. As with all devices, to ensure
              The time when a tourniquet is applied should always   maximum effectiveness,  the application of hemostatic
              be noted on the individual’s body, customarily by writ-  dressings requires training. Critical elements are to en-
              ing  the  letter  T  on  the  person’s  forehead,  along  with   sure a correct packing technique and sustained manual
              the time that it was tightened. This notation should be   compression for a minimum of three minutes. Simply
              done with an indelible ink marker to ensure that this   applying the agents without maintaining pressure is not
              important information does not wash or wipe off. The   adequate to achieve the best possible hemostatic effect.
              information should also be recorded on the individual’s   Afterward, a standard pressure dressing can be applied
              run sheet and total tourniquet ischemia time recorded   to cover both the wound and the hemostatic dressing.
              in the hospital chart. Finally, all manufactured tourni-
              quets are designed for a single use. A separate group   Selection of Tourniquets and Hemostatic Agents
              of tourniquets should be used for training, and training   As civilian EMS systems make decisions about hemo-
              tourniquets should not subsequently be issued for actual   static agents, they need to be aware that research has
              casualty use.                                      shown that not all tourniquets and hemostatic agents are
                                                                 equally effective despite the manufacturers’ claims and
                                                                 advertising.  During  the  wars  in  Iraq  and  Afghanistan,
                The time when a tourniquet is applied            the Department of Defense developed standardized mod-
                should always be noted on the                    els and techniques for evaluating tourniquets, hemostatic
                individual’s body. . . .                         dressings, junctional tourniquets, chest seals, and other
                                                                 items designed to be used in prehospital trauma care. A
                                                                 review of this literature should be part of the selection
                                                                 process for any agency making procurement decisions
              Improvised Tourniquets                             about prehospital trauma equipment. Any item selected
              Noncommercial, or so-called improvised, tourniquets   for procurement should ideally be (1) reasonable in price;
              are not nearly as effective as tested and recommended   (2) laboratory tested for safety and effectiveness; and (3)
              tourniquets. In 2001, at the start of war in Afghanistan,   experience proven for safety and effectiveness.
              the U.S. military’s plan was to use improvised tourni-
              quets. Improvised tourniquets have been found to be   Individual and Pre-positioned Trauma Kits
              difficult to assemble and secure. Military experience has   Military experience  suggests that there  should be at
              shown that improvised tourniquets sometimes result in   least two lists of trauma equipment: large kits that are
              preventable deaths. After unnecessary deaths early in   pre-positioned for multiple people and smaller mobile
              the war, the military’s strategy changed. By 2005, thou-  kits for officers or first responders. All professional first
              sands of commercial tourniquets had been sent to the     responders should be equipped with bleeding control



              The Hartford Consensus                                                                         155
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