Page 2341 - Cote clinical veterinary advisor dogs and cats 4th
P. 2341

Rhinoscopy   1159


             ○   Hook the anconeal process of the    ○   Caudoventral luxation    •  Arthrodesis  can  provide  pain  relief  for  a
               ulna between the humeral condyles, and   ■   The femur should be abducted and   chronically unstable joint. Aside from cost,
               carefully  extend  the  elbow.  With  this
                                                                                    complications include nonunion, stress
                                                    externally rotated to seat the femoral
  VetBooks.ir  part  of  the  maneuver,  the  joint  should   ■   Hobbles may be applied for 10-14 days.  •  Excision glenoid arthroplasty for the shoulder
                                                    head in the acetabulum.
                                                                                    fractures, implant failure, and infection.
               be reduced.
             ○   Passive  range-of-motion  exercises  can
               begin after bandage removal, but restricted   ○   Medially directed pressure can be applied   joint.  There  are  few  reports  of  glenoid
                                                                                    arthroplasty, but an abnormal gait is to be
                                                  to the reduced proximal femur as the
               exercise is essential for 4-6 weeks, followed   hip is passively flexed and extended in   expected.
               by 2 weeks of leash exercise only.  an attempt to drive debris from the   •  Amputation
           •  Hip                                 acetabulum.
             ○   Assistant stands on opposite side of animal,                     RELATED CLIENT EDUCATION
               holding the ends of a padded rope or leash   Postprocedure
               placed in the animal’s groin to provide   •  Radiograph to evaluate the reduction.  SHEETS
               counterpressure.                •  Toes  should  be  accessible  or  visible  to   Consent to Perform General Anesthesia
             ○   Craniodorsal hip luxation (more common):  monitor for heat, cold, swelling, or pain.  How to Assist a Pet That Is Unable to Rise
                 The tarsus is grasped and externally   •  Bandage needs to be protected from moisture                Procedures and   Techniques
               ■                                                                    and Walk
                 rotated while the femur is pulled   and kept clean and dry.      How to Perform Range-of-Motion Exercises
                 caudally.                                                        How  to  Provide  Bandage  Care  and  Upkeep
                 The head of the femur rides up (moves   Alternatives and Their
               ■                                                                    at Home
                 laterally and then caudally) and over   Relative Merits
                 the dorsal acetabular rim.    •  Open reduction                  AUTHOR: Nicholas J. Trout, VetMB, MA, DACVS,
                 Internal rotation while maintaining   ○   Requires surgical intervention  DECVS
               ■
                 distal traction on the femur, together   ○   Greater cost        EDITORS: Leah A. Cohn, DVM, PhD, DACVIM; Mark S.
                 with direct pressure on the greater   ○   Carries a higher rate of success than closed   Thompson, DVM, DABVP
                 trochanter, seats the head in the   reduction for the shoulder, elbow, and hip
                 acetabulum.                   •  FHO  may  be  worth  considering  for  cats
                 Place  hip  in  an  Ehmer  or  modified   and small dogs because the possibility of
               ■
                 Ehmer sling for 2 weeks.       hip reluxation is eliminated.
            Rhinoscopy                                                                             Client Education
                                                                                                          Sheet



           Difficulty level: ♦♦♦               •  Gauze for packing off oropharynx  Possible Complications and
                                               •  Flexible  endoscope  (small  <  3 mm  diam-  Common Errors to Avoid
           Overview and Goal                    eter  maximum  for  patients  <  10 kg)  for   •  Biopsy sample not representative of disease
           Minimally  invasive,  endoscopic  approach  to   retrograde pharyngoscopy to evaluate the     process;  risk  minimized  by  advanced
           the nasal cavity for visual examination and   nasopharynx                imaging
           biopsy procedures                   •  Flexible or 1.9-2.7 mm, 30° oblique, rigid   •  Inability  to  examine  caudal  conchae  if
                                                endoscope for anterograde cranial rhinoscopy  endoscope is too big (especially cats and small
           Indications                         •  Vacuum source for suction         dogs),  or  to  see  choanae  during  nasopha-
           •  Chronic nasal discharge          •  Culture container with growth media  ryngeal exam (especially in dolichocephalic
           •  Chronic sneezing                 •  Biopsy forceps (intraendoscopic or separate   dogs)
           •  Epistaxis,  after  ruling  out  coagulopathy,   clamshell or cup biopsy forceps)  •  Hemorrhage after biopsy; low risk of serious
             hypertension, or ehrlichiosis (p. 305)  •  Biopsy jar with 10% buffered formalin  blood loss. Rarely, hemorrhage warrants a
           •  Nasal  foreign  body  (identification  and   •  Phenylephrine (e.g., Neo-Synephrine drops)   blood transfusion, or if bleeding persists,
             removal)                           for postoperative epistaxis         ipsilateral carotid ligation.
           •  Stertor                                                             •  Penetration of compromised cribriform plate,
           •  Maxillary, nasal, or facial deformity  Anticipated Time               traumatizing the brain. Measure distance
           •  Sample  collection  to  confirm  clinical  sus-  •  60-90  minutes  anesthesia  time,  30-60   from tip of the nostril to medial canthus of
             picion (biopsy for histopathology or deep   minutes for endoscopy      the eye. This measured length on endoscope
             nasal culture)                    •  Up to 3-4 hours for complex foreign bodies   is the maximal length of insertion.
                                                and/or copious flushing           •  Aspiration of fluid, prevented by a well-fitted
           Contraindications                                                        endotracheal tube with adequately inflated
           Coagulopathy  (primary/secondary);  severe   Preparation: Important      cuff and packing the pharynx during the
           hypertension                        Checkpoints                          procedure plus oropharyngeal suctioning
                                               •  Advise owners that epistaxis is expected for   and lowering the nose for drainage after
           Equipment, Anesthesia                1-3 days after the procedure.       the procedure.
           •  General anesthesia and endotracheal intuba-  •  Assess  coagulation  (e.g.,  platelet  count,   •  Superficial bacterial culture or culture of nasal
             tion with optimal endotracheal tube cuff seal  coagulation profile [p. 1325])  flush will likely differ from caudal nasal cavity
           •  Maxillary local block, 2% lidocaine  •  Measure blood pressure (p. 1065)  cultures.
           •  Mouth gag or cut needle cap for cat/small   •  Serology  for  canine  ehrlichiosis  or  fungal
             dogs                               exposure based on geography       Procedure
           •  Sterile, water-soluble lubricant  •  Advanced  imaging  (CT/MRI)  where     •  Sternal  recumbency  with  animal  facing
           •  Sterile saline solution for flush  available                          endoscopist;  head  at  edge  of  table,

                                                      www.ExpertConsult.com
   2336   2337   2338   2339   2340   2341   2342   2343   2344   2345   2346