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958   Tarsal Trauma


            TREATMENT                         •  Consider corticosteroids if tail paralysis is   •  Guarded to poor if feline thromboembolic
                                                secondary to spinal cord/nerve compression   disease (recurrence risk, heart failure)
           Treatment Overview
  VetBooks.ir  Musculoskeletal or neurologic:  •  After  patient  is  stable,  treatment  depends    PEARLS & CONSIDERATIONS
                                                (controversial [p. 555]).
           •  Treatment to address underlying cause
                                                on underlying cause.
           •  Medical management of fractures, using pain
            management, bandages for immobilization  Chronic Treatment           Comments
                                                                                 •  The most common causes of tail paralysis
           •  For limber tail syndrome, the use of antiin-  •  Hygiene             are trauma and degenerative lumbosacral
            flammatories might improve the symptoms.  •  Bladder catheterization if necessary  stenosis; prognosis depends on deep pain
           •  Amputate tail if vascular compromise  •  Physical therapy for paraparetic patients  perception and vascular supply.
            ○   Leave  3-4  coccygeal  vertebrae  if  well                       •  In dogs and cats, the tail is not essential to
              vascularized                    Possible Complications               life; tail amputation in patients with normal
            ○   Amputate to the level of healthy skin   •  Depends on therapeutic options  limb function and bladder control provides
              margins if tail is devascularized  •  Beware  of  corticosteroid  administration:   excellent quality of life.
           Cardiovascular/thromboembolic disease:  associated with gastrointestinal ulceration,   •  Beware:  pain  originating  from  the  pelvic
           •  Tail amputation if tail is soiled by urine and/  colonic perforation  canal  (e.g.,  prostatic  abscess,  degenerative
            or feces or if tail has not revascularized well                        lumbosacral stenosis) can mimic tail paralysis.
           •  Address underlying cardiac disease.  Recommended Monitoring
           Neoplasia:                         Depends on primary cause and therapeutic   Technician Tip
           •  Wide surgical excision if possible  options                        Hygiene and topical care to prevent urine/fecal
           •  Radiation  therapy  or  chemotherapy  if                           contact  dermatitis  is  a  key  to  chronic  care:
            indicated and if possible          PROGNOSIS & OUTCOME               bathing, keeping area dry and clean, clipping
           Skin wound of the tail (p. 909):                                      perianal/perineal region, and protective oint-
           •  With vascular compromise, amputate tail at   •  Trauma             ment if necessary.
            appropriate level.                  ○   Intact deep pain perception and normal
           •  Without  vascular  compromise,  treat  by   vascularization: guarded. Generally, these   SUGGESTED READING
            local  debridement  (wet-to-dry  bandaging   patients regain enough motor activity to   de Lahunta A, et al: Veterinary neuroanatomy and
            or surgical debridement).             maintain hygiene.                clinical neurology, ed 3, St. Louis, 2009, Saunders.
           •  Use second-intention healing (bandages with   ○   Absence of deep pain for more than 48
            hydrogel).                            hours: poor prognosis for return of motor   AUTHOR: Bertrand Lussier, DMV, MSc, DACVS
           •  If  wound  closure  impossible  by  second-  activity but good if tail amputated and   EDITOR: Leah A. Cohn, DVM, PhD, DACVIM
            intention  healing,  use  secondary  closure   normal voluntary hindlimb activity and
            (local skin flaps, free skin grafts).  bladder control
                                              •  Limber  tail  syndrome:  condition  is  self-
           Acute General Treatment              limited and resolves in 7-21 days (anecdotal).
           •  If identified, treat shock, concurrent trauma,   Recurrence is possible.
            or cardiac disease








            Tarsal Trauma                                                            Bonus Material   Client Education
                                                                                                         Sheet
                                                                                          Online

            BASIC INFORMATION                 RISK FACTORS                       Etiology and Pathophysiology
                                              Racing/agility activities; hindlimb trauma  •  Racing on counterclockwise tracks predis-
           Definition                                                              poses to right-sided injuries.
           Tarsal  trauma  includes  ligament  damage,   Clinical Presentation   •  In racing greyhounds, there is a classic triad
           luxation/subluxation of individual tarsal bones,   DISEASE FORMS/SUBTYPES  of fractures involving the central tarsal bone,
           fractures, shearing injuries       Sprains, fractures, shearing/degloving wounds,   calcaneus, and the fifth proximal metatarsal
                                              coaptation-related injuries          bone.
           Synonym                                                               •  In border collies, cause of central tarsal bone
           Tarsal breakdown                   HISTORY, CHIEF COMPLAINT             subluxation/fracture is unknown.
                                              Hindlimb trauma; lameness after competition/
           Epidemiology                       exercise
           GENETICS, BREED PREDISPOSITION                                         DIAGNOSIS
           •  Racing  greyhounds:  central  tarsal  bone   PHYSICAL EXAM FINDINGS  Diagnostic Overview
            fractures                         •  Lameness                        Most injuries are diagnosed by physical/
           •  Border collies: central tarsal bone fracture/  •  Swelling         radiographic examinations.
            luxation                          •  Open wounds
           •  Shelties and collies: superficial digital flexor   •  Pain/crepitation  Differential Diagnosis
            tendon luxation                   •  Instability with plantigrade stance  •  Autoimmune  polyarthropathy  (systemic
           •  Cats: tibiotarsal luxation with lateral mal-  •  Mediolateral/rotational instability  lupus erythematosus, rheumatoid arthritis)
            leolar fracture                   •  Tarsal deformity

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