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Campylobacter Enteritis  143.e3


           •  Pressure sores need at least twice-daily gentle   infection. Other causes of localized pruritus,   foot part cut off) can provide protection for
                                                                                    elbow or hock calluses.
             disinfection and relief of pressure by frequent   such as mast cell tumors or Sarcoptes infestation,   •  Pressure  sore:  frequently  examine  the
  VetBooks.ir  Stabilization of underlying disease is critical   Prevention         elbows, hocks, sternum, and hip bones (if   Diseases and   Disorders
                                               should be ruled out.
             body position changes  (every 3-4  hours).
             for resolution.
                                                                                    protuberant) of recumbent patients for hair
                                                can be minimized with proper bedding,
            PROGNOSIS & OUTCOME                •  Calluses are likely not preventable, but they   loss, redness, clear or bloody exudation, or
                                                                                    crusting for early detection.
                                                protective wraps, and application of softening
           •  Callus:  good;  lifelong  provision  of  soft   topical agents.     SUGGESTED READING
             surfaces and monitoring for callus pyoderma   •  Pressure sores can be prevented by proac-  Miller  W,  et  al:  Muller  and  Kirk’s  Small  animal
             is needed. Regular use of topical softening   tive management of recumbent patients,   dermatology, ed 7, St. Louis, 2013, Elsevier, pp
             agents, disinfectant cleaning, and topical   particularly those with short coats, low   673-677.
             antiinflammatories can minimize recurrence   body condition, and of large or giant breeds.
             of callus pyoderma and furunculosis.  Provide clean, dry, padded bedding and   ADDITIONAL SUGGESTED
           •  Pressure sore: good for lower-grade lesions   frequent body position changes.  READING
             if nursing care can be provided and the                              Hnilica K, et al: Small animal dermatology, a color
             underlying disorder causing debilitation/  Technician Tips            atlas and therapeutic guide, ed 4, St. Louis, 2017,
             recumbency can be managed.        •  Callus: clients can soften their dog’s calluses   Elsevier, pp 379-382.
                                                using over-the-counter products for human
            PEARLS & CONSIDERATIONS             heel or elbow calluses. An e-collar or protec-  AUTHOR: Elizabeth A. Layne, DVM, DACVD
                                                                                  EDITOR: Manon Paradis, DMV, MVSc, DACVD
                                                tive wrap may be useful after application
           Comments                             to prevent the dog licking off the product.
           A callus that becomes pruritic should be   Something as simple as a sock cuff (with the
           examined for evidence of secondary bacterial




            Campylobacter Enteritis                                                                Client Education
                                                                                                          Sheet


            BASIC INFORMATION                   ○   Other sources of infection to humans   HISTORY, CHIEF COMPLAINT
                                                  include eating raw or undercooked meat,   •  Mild  to  severe  acute  watery  to  mucoid
           Definition                             especially poultry.               diarrhea with or without blood
           Well-recognized diarrheal disease resulting from   ○   Pet owners should be warned of zoonotic   •  Animals may have tenesmus, possibly vomit-
           invasive and toxigenic effects of Campylobacter   risks and minimize risks through good   ing, or inappetence.
           spp infection                          hygiene.                        •  Chronic diarrhea that may be intermittent
                                                                                  •  Cholecystitis has been reported in two dogs.
           Epidemiology                        GEOGRAPHY AND SEASONALITY          •  Abortion and fetal resorption in the bitch
           SPECIES, AGE, SEX                   Appears to be more common in the summer   •  Neurologic  signs  consistent  with  acute
           •  Most commonly occurs in young animals   and fall months. In the United States, young   polyradiculoneuritis
             < 6-12 months old                 cats  in  the  upper  Midwest  commonly  carry
           •  Pathogen of dogs, cats, humans, and various   Campylobacter upsaliensis.  PHYSICAL EXAM FINDINGS
             wild and domestic animals                                            Usually normal. Acute cases may have fever
                                               ASSOCIATED DISORDERS               and/or signs of dehydration.
           RISK FACTORS                        May be associated with other gastrointestinal
           •  Young age                        infections or parasites            Etiology and Pathophysiology
           •  Crowded conditions such as kennels, cat-  •  Parvovirus             •  Gram-negative, curved, motile, microaero-
             teries, or animal shelters        •  Coronavirus                       philic bacterial rods that are a component
           •  Conditions with poor hygiene and sanitation  •  Giardiasis            of the normal intestinal flora
           •  Immunocompetence/immunodeficiency of   •  Salmonellosis             •  Clinical  disease  depends  on  number  of
             individual patient                                                     organisms ingested as well as degree of
           •  Concomitant gastrointestinal infections  Clinical Presentation        development of protective antibody.
           •  History of antibiotic therapy    DISEASE FORMS/SUBTYPES             •  Virulence factors, including cytotoxin produc-
                                               •  Most  carriers  of  Campylobacter show no   tion, allow the organism to invade epithelium.
           CONTAGION AND ZOONOSIS               clinical signs.                   •  Enterotoxin  results  in  secretory  diarrhea,
           •  Contagious between humans and numerous   •  When it occurs, clinical disease usually affects   reflecting disease localization to the jejunum,
             animal species                     dogs and cats < 12 months old.      ileum, cecum, and colon.
           •  Commonly spread between animals by fecal-  •  Catalase-positive  species  (C. jejuni, Cam-
             oral route through contaminated food and   pylobacter coli) may be more likely than    DIAGNOSIS
             water sources                      catalase-negative species to cause clinical
           •  Humans appear to be more susceptible than   signs, but catalase-positive species are also   Diagnostic Overview
             dogs or cats to clinical disease.  found in clinically normal animals.  Diagnosis is suspected in young animals with
             ○   Dogs and cats, especially puppies or   •  C. jejuni may cause spontaneous abortion   diarrhea and fecal cytologic findings that
               kittens recently acquired from pet stores   in dogs.               identify slender, curved rods and leukocytes.
               or kennels, are a major source of Cam-  •  Risk factor for development of acute poly-  Confirmation, which is often undertaken given
               pylobacter jejuni infection in people.  radiculoneuritis in dogs (p. 810)  the risk of contagion and/or zoonosis, requires

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