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Jugular Catheter Placement and Management   1123


             30 seconds/10 breaths at a time. This may   •  Remove  the  lid,  and  attach  MDI  to  the   bronchodilators are indicated in a fractious
                                                                                    animal or in an animal resistant to restraint.
             take a few weeks.                  spacer/chamber with an appropriately sized   •  Nebulization does not offer superior drug
  VetBooks.ir  Possible Complications and      •  Position the animal for gentle restraint to   administration compared with a face mask
                                                face mask attached to the other end.
           Common Errors to Avoid
                                                prevent side-to-side movement.
                                                                                    and spacer MDI combination but allows
           •  Some animals initially hold their breath; wait
                                                ensuring a snug fit covering the nose and
                                                                                    istered  as  an  inhalant.  Examples  include
             for 7-10 breaths for treatment    •  Gently apply the mask to the animal’s face,   drugs unavailable as an MDI to be admin-
           •  Infection associated with inhaled glucocor-  corners of the mouth but not covering the   antibiotics, lidocaine, and saline.
             ticoid use                         eyes.
             ○   Oral candidiasis, reported in humans, has   •  Depress inhaler (actuate the MDI).  Pearls
               not been reported in pets.      •  Hold mask in place for 5-10 breaths (20-30   •  Use oral glucocorticoids for first 1-2 weeks
             ○   Facial dermatophytosis in the area of the   seconds), watching chest wall movements,   concurrently with inhaled glucocorticoids
               mask can occur.                  one-way valve in spacer, or counting con-  in acute inflammatory conditions, and then
           •  Some  animals  cough after receiving  treat-  densations of breath in the spacer.  taper oral medications.
             ment; this is often self-resolving.  •  If a second dose is needed, wait 30-60 seconds   •  If an animal is intolerant to the sound of the
           •  Rarely, a mild contact dermatitis can form   in between, and repeat the procedure.  actuated MDI, actuate the MDI, and then   Procedures and  Procedures and   Techniques  Techniques
             where the face mask contacts the face. It is                           place the mask on the face. This will reduce
             minimized by wiping the face mask edge   Postprocedure                 the  administered  dose  by  approximately
             after each use.                   •  Wipe patient’s face/muzzle with a paper towel   one-half.
           •  Untrained, struggling animals can injure their   or washcloth.      •  The  manufacturers  of  veterinary  aerosol
             eyes on the edge of the face mask.  •  Maintain  cleanliness  of  MDI  and  spacer   delivery devices offer excellent client tutorial
           •  Pet  owners  can  be  injured  if  treating   following manufacturer’s recommendations;   information, including video clips, on their
             untrained pets.                    clean before first use and weekly.  websites (e.g., https://www.trudellmed.com/
           •  Cats  with  severe  bronchoconstriction  can   •  If the MDI does not have a built-in dose   trudell-animal-health).
             benefit from aerosolized bronchodilators even   countdown feature, record number of doses   •  Chronic, frequent use of racemic albuterol
             if administration requires very brief restraint/  used  per  canister  to  know  when  to  refill   bronchodilators in asthma can be dangerous
             stress.                            medication. Number of doses per canister   and should be avoided (p. 84).
           •  Many topical treatments for human airway   is on the packaging. A myth that a float
             disease are not in the format of a self-  test to determine medication remaining in   SUGGESTED READING
             propelled MDI. These medications (e.g.,   a canister is inaccurate and may damage the   Feline Asthma: Inhaled medications (website). http://
             dry-powder inhalers) cannot be adapted   canister.                    www.fritzthebrave.com/meds/inhaled.html/.
             to use in a pet animal. Be sure the drug
             formulation prescribed is in the form of an   Alternatives and Their    AUTHOR: Christine Savidge, DVM, DACVIM
                                                                                  EDITORS: Leah A. Cohn, DVM, PhD, DACVIM; Mark S.
             MDI that can fit the spacer device.  Relative Merits                 Thompson, DVM, DABVP
                                               •  Medication administered by another route,
           Procedure                            especially when acute antiinflammatory prop-
           •  Vigorously shake MDI 3-5 times (approx.   erties are needed. Inhaled glucocorticoids can
             5 seconds).                        take 7-10 days to reach full effect. Parenteral




            Jugular Catheter Placement and Management                                                Bonus Material
                                                                                                          Online


           Difficulty level: ♦♦                •  Infusion of fluids that have a high osmolality   •  In  animals  that  would  not  lie  still  for  the
                                                (e.g., > 7.5% dextrose solutions, parenteral   procedure, consider the following sedatives,
           Synonym                              nutrition)                          depending on the animal’s clinical condition
           Central line                        •  Longer use of a single catheter for prolonged   and temperament: butorphanol 0.2-0.4 mg/kg
                                                hospitalization. A jugular catheter typically   IV/IM, midazolam or diazepam 0.2-0.5 mg/
           Overview and Goal                    eliminates the need to replace multiple   kg  IV.  Both  of  these  drugs  may  be  given
           Jugular catheterization provides venous access   peripheral catheters.   individually  or  combined  for  better  effect.
           for a critically ill patient that allows for needle-                     Avoid  benzodiazepines  in  animals  that  are
           less sampling and longer use of a single catheter   Contraindications    agitated or fractious. Dexmedetomidine
           for prolonged hospitalization.      •  Coagulopathy or severe thrombocytopenia  1-5 mcg/kg  IV  may  be  used  in  stable
                                               •  Increased intracranial pressures (e.g., trau-  clinical patients. Dexmedetomidine may
           Indications                          matic brain injury)                 make visualization of the vessel difficult due to
           •  Needleless, simple blood sampling; especially   •  Pyoderma or inflammation of the skin over   vasoconstriction.
             useful when frequent sampling required (e.g.,   the neck and jugular vein  •  Clippers, surgical scrub with gauze for aseptic
             patients with diabetes ketoacidosis) or when   •  Caution in hypercoagulable states (e.g., hyper-  preparation of insertion site
             sampling is difficult              adrenocorticism, protein-losing nephropathy,   •  Injectable lidocaine
           •  Measurement  of  central  venous  pressure   immune-mediated  hemolytic  anemia)  as     •  A #11 or #15 scalpel
             (CVP)  in  hypovolemic  patients  or  fluid-  thrombosis may occur   •  Sterile surgical gloves
             intolerant patients                                                  •  Sterile drape
           •  Infusion  of  multiple  fluids  concurrently,   Equipment, Anesthesia  •  Suture material
             facilitated  by  catheters  with  multiple    •  Sedation is often not required in critically   •  0.9% NaCl flush (may contain heparin)
             lumens                             ill animals.                      •  Bandaging material

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