Page 1352 - Cote clinical veterinary advisor dogs and cats 4th
P. 1352

Neck Pain   683


            PEARLS & CONSIDERATIONS            •  Sympathetic fibers are superficial in the feline   •  The endotracheal tube may need to be tied to
                                                                                    the lower jaw to allow soft palate retraction.
                                                bulla; development of Horner’s syndrome is   •  The cuff of the endotracheal tube should be
           Comments
  VetBooks.ir  •  Cats can have concurrent nasopharyngeal and   Technician Tips     inflated because hemorrhage is possible after   Diseases and   Disorders
                                                likely after bulla osteotomy and may occur
                                                with traction alone.
             aural polyps; both areas should be examined
                                                                                    polyp extraction.
             under anesthesia.
           •  CT  is  more  sensitive  than  survey  skull   •  Cats with large nasopharyngeal polyps can be   Client Education
             radiographs for detecting otitis media.  difficult to intubate. An IV catheter placed   Complications  with  bulla  osteotomy  are
           •  For a broad-based mass, fine-needle aspiration   before induction permits administration of   common but usually temporary.
             and cytologic evaluation are indicated to rule   IV anesthetics, and a stylette may be needed
             out lymphoma.                      for intubation.                   SUGGESTED READING
           •  The feline tympanic bulla has two chambers;   •  A laryngoscope and several sizes of cuffed   Anderson DM, et al: Management of inflammatory
             the epithelial lining of both chambers should   endotracheal tubes should be available before   polyps in 37 cats. Vet Rec 147:684-687, 2000.
             be removed during bulla osteotomy, but   induction. Mucus and saliva may collect in
             dorsal curettage should be avoided.  the caudal pharynx; suction or swabs may   AUTHOR: Karen M. Tobias, DVM, MS, DACVS
                                                                                  EDITOR: Megan Grobman, DVM, MS, DACVIM
                                                be needed during intubation.


            Neck Pain                                                                              Client Education
                                                                                                          Sheet


            BASIC INFORMATION                   ○   Acquired/degenerative: IVDD, CSM in   Spinal column:
                                                  Doberman pinschers              •  IVDD:  progressive  degeneration  of  inter-
           Definition                           ○   Traumatic                       vertebral disc, resulting in protrusion or
           Sensation of discomfort or distress associ-  •  Infectious disease: canine distemper myelitis,   herniation of disc material into the spinal
           ated with the cervical spine or surrounding    systemic fungal myelitis, discospondylitis  canal. The annulus fibrosus is the portion
           tissues                             •  Inflammatory: cranial cervical pain sometimes   of the disc that contains pain receptors.
                                                found with meningitis               Typically affects dogs 3-8 years of age but
           Synonyms                            •  Traumatic:  cervical  fractures,  instability,   can also occur in cats
           Cervical hyperesthesia or hyperpathia  penetrating pharyngeal or neck wounds  •  Discospondylitis:  bacterial  infection  of
                                               •  Neoplastic:  spinal  tumors,  axial  skeletal   vertebral body endplates; the caudal cervical
           Epidemiology                         osteosarcoma, nerve sheath tumor, and other   region is one of the predisposition sites.
           SPECIES, AGE, SEX                    such growths                      •  Malformation:  CSM  in  Great  Danes,
           Dogs and cats of any age and either sex                                  hemivertebrae, spinal canal stenosis
                                               HISTORY, CHIEF COMPLAINT           •  Instability: atlantoaxial malformation, CSM,
           GENETICS, BREED PREDISPOSITION      •  Reluctance to rise                vertebral subluxation, traumatic fracture or
           •  Atlantoaxial instability: toy breeds: Chihua-  •  Reluctance to walk on stairs  luxation
             hua, toy poodle, Pomeranian, Pekingese  •  Reluctance to jump        •  Neoplasia: osteosarcoma, hemangiosarcoma,
           •  Intervertebral disc disease (IVDD): chondro-  •  Crying  out  when  changing  positions  or   fibrosarcoma, chondrosarcoma, or metastatic
             dystrophoid breeds: dachshund, beagle, basset   moving head            tumors involving the vertebrae
             hound, Pekingese, shih tzu, other breeds  •  Shaking                 Meninges:
           •  Cervical spondylomyelopathy (CSM) (e.g.,                            •  Inflammatory, parasitic, protozoal, bacterial,
             wobbler syndrome): Great Dane, Doberman   PHYSICAL EXAM FINDINGS       and neoplastic processes
             pinscher, many other large breeds  •  Abnormal head posture: holding head down,   Spinal nerves:
           •  Corticosteroid-responsive meningitis/arteritis:   reluctant to turn head  •  Nerve root compression, ischemia
             beagles, Bernese mountain dog, boxer, Nova   •  Arched neck or back  •  Inflammation: immune mediated, infectious
             Scotia duck tolling retriever     •  Pain on manipulation of the neck or palpa-  (protozoal, viral, parasitic)
                                                tion ventral process of C6        •  Neoplasia
           CONTAGION AND ZOONOSIS              •  Pain on palpation of the cervical musculature
           •  Canine distemper viral (CDV) myelitis: dog   •  Reluctance to walk   DIAGNOSIS
             to dog                            •  Abnormal  gait  if  animal  is  neurologically
           •  Brucella  canis–associated  discospondylitis:   impaired            Diagnostic Overview
             dog to dog                        •  Heat and swelling in cervical tissues  The diagnosis of neck pain is made by
                                               •  Hypersalivation  possible  with  pharyngeal   observation of the patient and physical exam.
           ASSOCIATED DISORDERS                 injuries                          Determining the underlying cause of neck pain
           •  Horner’s  syndrome  possible  with  caudal   •  Fever associated with infections or meningitis  begins with orthopedic and neurologic exams
             cervical spinal lesions           •  Root signature                  and a review of the history to identify duration
           •  Nerve root signature may be sign of nerve                           and severity of signs and response to treatment.
             root pain.                        Etiology and Pathophysiology
                                               Epaxial musculature:               Differential Diagnosis
           Clinical Presentation               •  Traumatic muscle injury         A detailed differential diagnosis is provided
           DISEASE FORMS/SUBTYPES              •  Myositis from penetrating injury or foreign   on p. 1256.
           •  Spinal disease                    body (stick or grass awn migration)  •  IVDD
             ○   Congenital: CSM in young Great Danes,   •  Inflammatory myositis: immune mediated,   •  Meningitis
               atlantoaxial instability         parasitic, bacterial, or protozoal  •  Cervical spondylomyelopathy

                                                      www.ExpertConsult.com
   1347   1348   1349   1350   1351   1352   1353   1354   1355   1356   1357