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Page 6 of 11                                           Kumar et al. Plast Aesthet Res 2020;7:29  I  http://dx.doi.org/10.20517/2347-9264.2019.71

                                                     Major Trauma






                        Release of Pro-inflammatory Cytokines  Release of Anti-inflammatory Cytokines
                          •    IL-1                              •    IL-10
                          Produced by monocytes and                o  Secreted by monocytes and
                          macrophages                              lymphocytes
                          •    TNF- alpha                          o  Function: down regulation of
                           o   Secreted by monocytes               TNF -alpha; increase B-cell survival
                           o   Correlates with poor outcomes       time
                           in sepsis; helps to activate other    •    IL-13
                           mediators of inflammation               o  Secreted by T-helper cells
                          •    IL-6                                o  Function: stimulates IgE
                           o   Secreted by macrophages             secretion from B-cells; lymphocyte
                           o   Key mediator of fever               proliferation
                          •    IL-8                                o  Levels proportional to TNF-
                           o   Mediator of inflammation            alpha levels
                        (IL-1, TNF- alpha and IL-6 are associated
                        with pathological pain )






                                       Disruption in the regulation between pro- and anti-
                                                  inflammatory cytokines





                                       Systemic Inflammatory Response Syndrome [19-22]


                                      Figure 1. Pathogenesis of systemic inflammatory response syndrome

               Avoidance leaves natural biochemical mechanism to overcome the damage but in contrast, the insult from
               an aggressive approach to counter secondary damage may aggravate the problem.

               Hence, to counter secondary damage in trauma cases, the best clinical strategy is to employ temporizing
               maneuvers.

               In temporizing maneuvers, damage control methodologies include: (1) quick action to stabilize a patient’s
               local and systemic conditions; (2) prevention of further secondary damage; and (3) after the acute recovery
               phase is over, secondary definitive management is started.

               Rapid and temporary stabilization is achieved by using LAD. Delaying the onset and progress of secondary
               damage has been attempted by using cryotherapy, but there is a lack of data related to the temperature and
               duration of cryotherapy required. Secondary, definitive reconstruction may be performed under LAD.

               Cryotherapy (exposure to extreme cold) has been used to delay or prevent secondary injury in trauma or
               sports injury, but optimal tissue temperatures, the duration of cryotherapy, and the need for application
                                                                                                   [31]
               pressure to minimize secondary injury following musculoskeletal trauma have yet to be established .
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