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High-Rise Syndrome  469.e3


           •  Abdominal  and  thoracic  ultrasound   ■   Tracheostomy may be indicated in   •  Chylothorax
             (abdominal and thoracic focused assess-  some cases of severe facial trauma    •  Pancreatitis and peritonitis associated with
  VetBooks.ir  •  A whole-cat radiograph is often performed   •  Fluid resuscitation from shock  Recommended Monitoring  Diseases and   Disorders
                                       ®
                                                                                    pancreatic  rupture;  clinically  manifests  as
                                                    (p. 1166).
             ment sonography for trauma [AFAST  and
                  ®
             TFAST , respectively]) (p. 1102)
                                                                                    abdominal pain, vomiting, and ascites
                                                ○   Obtain IV access in an uninjured limb.
             initially as a screening tool, and more focused
                                                  IV over 10-20 minutes once if evidence
             radiographs may be performed thereafter.  ○   Administer hypertonic saline 3-5 mL/kg   •  In-patient monitoring: particularly close atten-
           •  Radiographs of skull, thorax, abdomen, spine,   of traumatic brain injury, hypotension,   tion should be paid to the animal’s breathing
             and limbs may be indicated depending on   or both.                     and hemodynamic stability, especially during
             the animal’s clinical signs.       ○   Administer  warm  isotonic  crystalloid  ±   the first 24 hours after trauma.
           •  Whole-body  CT  is  increasingly  used  for   colloid fluids to effect to resolve clinical   •  Repeat  exam  and  removal  of  skin  sutures
             rapid assessment of polytrauma patients to   signs of shock.           (2 weeks); cerclage wire around mandibles
             reduce imaging time (vs. radiographs) and to   ○   Start with 20 mL/kg crystalloid bolus in   (4-5 weeks)
             potentially increase sensitivity for detection   dogs or 10 mL/kg in cats, and titrate to   •  Routine follow-up and radiography to ensure
             of injuries.                         effect up to 80-90 mL/kg/h in dogs and   fracture healing after orthopedic surgery
           •  CBC, serum biochemistry panel, urinalysis  50-60 mL/kg/h in cats. Consider judicious
                                                  fluid  use, particularly in  animals with    PROGNOSIS & OUTCOME
           Advanced or Confirmatory Testing       evidence of pulmonary contusions.
           •  Coagulation  testing  (prothrombin  time,   •  Blood  product  transfusion  (whole  blood   •  Good  prognosis  for  survival  for  ≈90% of
             activated partial thromboplastin time, and/  or packed red blood cells) may be neces-  cats and dogs
             or viscoelastic testing to evaluate fibrinolysis)   sary  if severe  hemorrhage has  occurred    •  Given the high percentage of animals requir-
             if there is evidence of significant blood loss   (p. 1169).            ing surgery, euthanasia due to client financial
             or a need for surgery; also useful for the   •  Provision of appropriate analgesia  constraints occurs.
             diagnosis of acute traumatic coagulopathy  ○   Opioid analgesia is recommended initially   •  Death,  excluding  euthanasia,  is  generally
           •  CT scan of head, spine, or other areas of   and may be supplemented with ketamine   due to shock, or respiratory distress due to
             interest (e.g., whole-body CT scan)  and/or lidocaine (dogs only) as necessary in   thoracic trauma.
           •  Spinal MRI may be indicated if the patient   patients without significant head trauma.  •  Most deaths occur within 24-36 hours of
             displays neurologic abnormalities localized   ○   Nonsteroidal antiinflammatory drugs may   admission or in the immediate postoperative
             to the brain or spinal cord without bony   be added after patient stabilization and   period.
             abnormalities observed on radiographs and/  assessment of suitability.  •  It is suspected that most dogs falling more
             or CT scans.                      •  Broad-spectrum  antibiotic  coverage  in   than six stories do not survive and therefore
           •  Abdominocentesis  and  fluid  analysis  to   animals with penetrating body cavity wounds   are not brought to the hospital and assessed
             differentiate hemoperitoneum from uro-  before exploratory surgery     in case series.
             peritoneum (pp. 1056 and 1343)    •  Further treatment depends on the successful
             ○   The diagnosis of uroperitoneum may be   outcome of initial stabilization.   PEARLS & CONSIDERATIONS
               made by comparison of abdominal fluid   •  Surgical treatment of skeletal injuries
               creatinine concentration and potassium   •  Exploratory  thoracotomy  or  celiotomy   Comments
               concentration with those in peripheral   in patients with penetrating thoracic or   It has been reported that the association between
               blood                            abdominal wounds, respectively    injuries and height of fall follows a curvilinear
           •  Imaging  of  the  oral  cavity  is  indicated  in   •  Oral/dental treatment  pattern.
             cases of orofacial injury; traditionally, this
             has involved full-mouth (intraoral) dental   Chronic Treatment       Prevention
             radiographs and/or radiographs of the head,   •  If response to emergency treatment is poor,   Owner education of the risks in areas where
             temporomandibular joints, and bullae;   visceral injury (abdominal and thoracic) with   high-rise living is common
             however, CT is preferred if available.  possible hemorrhage should be considered,
                                                even in the absence of penetrating body   Technician Tips
            TREATMENT                           cavity wounds.                    Stabilization of a high-rise syndrome patient
                                                ○   Hemorrhage into potential spaces (e.g.,   should be as for any trauma patient with an
           Treatment Overview                     retroperitoneum) may not be evident at   initial focus on the ABCs (airway, breathing,
           •  Stabilize  animal;  priorities  are  to  resolve/  presentation but may become visible by   and circulation).
             improve dyspnea and shock and minimize   radiography or ultrasonography with larger
             stress (especially in cats).         volumes of blood loss.          Client Education
           •  Orthopedic manipulations, radiography, or   •  Chronic oral/dental treatment  Close  windows  and  balcony  doors  in  the
             surgical procedures may initially need to be   ○   Placement of a feeding tube (e.g., esopha-  presence of animals.
             delayed, with adjunctive pain control, if the   gostomy tube) may be necessary to supply
             patient is systemically unstable at the time   nutrition in patients with extensive oral   SUGGESTED READING
             of presentation.                     or maxillofacial trauma (p. 1106).
                                                                                  Papazoglou LG, et al: High-rise syndrome in cats: 207
           Acute General Treatment             Nutrition/Diet                      cases (1988-1998). Aust Vet Pract 31:98-102, 2001.
           •  Management of respiratory distress  For dental injuries, soft food; in patients
             ○   Oxygen supplementation (p. 1146)  with esophagostomy tubes, blended meals are   ADDITIONAL SUGGESTED
             ○   Thoracocentesis if respiratory pattern   necessary.              READINGS
               or thoracic auscultation suggestive of
               pneumothorax (p. 1164)          Possible Complications             Gordon LE, et al: High-rise syndrome in dogs:
             ○   Intubation to secure the airway in cases   •  Chronic oronasal communication  81 cases (1985-1991). J Am  Vet Med Assoc
                                                                                   202:118-122, 1993.
               of respiratory distress with severe oral   •  Temporomandibular joint ankylosis in very   Liehmann LM, et al: Pancreatic rupture in four
               hemorrhage  or  facial  deformation  due   young animals resulting in difficulty or the   cats with high-rise syndrome. J Feline Med Surg
               to trauma                        inability to open the mouth        14:131-137, 2012.

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