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1106  Feeding Tube Placement: Esophagostomy


           •  Allow donor animal to defecate naturally, and   •  For optimal results, the transplant should be   Pearls
            immediately recover stool, avoiding excessive   retained in the colon for at least 45 minutes,   •  Owners should be warned that this is a largely
                                                                                   untested procedure that is not without risk.
  VetBooks.ir  •  Blend fresh stool at a ratio of 1 part stool   •  Any remaining fecal shake solution may be   •  For animals that respond well, improvement
                                                but longer retention is ideal.
            contamination with litter, grass, or dirt.
                                                                                   often occurs within several days.
            and 3-4 parts milk (or saline/water) using a
                                                offered to the patient for consumption, either
            blender or a spoon; the goal is to create an
                                                                                   partial response. Repetition once or twice
                                                willingly drink the fecal shake prepared with
            emulsion without large pieces of solid stool.  as is or mixed with a tasty food. Many dogs   •  Transplant  can  be  repeated  if  there  is  a
           •  Use a sieve (or gauze, cheese cloth) strain   milk.                  for animals that fail to respond is reasonable,
            the emulsion to remove larger particulates                             but if there is still no improvement, further
            that might clog the enema tubing.  Postprocedure                       transplants are unlikely to be effective.
           •  Draw up prepared fecal shake into syringes,   Beyond keeping the patient quiet and trying   •  Send a fecal score chart home with the client
            with size and number appropriate to   to  avoid  allowing  defecation  for  at  least  45   and have them score and record in a log any
            administer 10 mL/kg dose (e.g., for a 10-kg   minutes, there is no special care required.  changes in stool consistency.
            dog,  you  might  use  two  60-mL  syringes,                         •  Because  oxygen  exposure  is  likely  to  kill
            each containing 50 mL of fecal shake).  Alternatives and Their Relative   beneficial anaerobic microbes, use of fresh
           •  Sedate  the  patient,  if  desired,  and  posi-  Merits              stool (<4 hours after defecation) is best.
            tion (using restraint as needed) for enema   •  Commercially  available  probiotics  are
            administration. In sedated patient, lateral   always administered before turning to   SUGGESTED READING
            recumbency is used, but the procedure can   fecal transplant because there is no risk of   Schmitz S, et al. Understanding the canine intestinal
            be done in any position.            iatrogenic disease transmission with probiotic   microbiota and its modification by pro-, pre- and
           •  Roughly  measure  the  length  of  tubing   administration.          synbiotics—what is the evidence?  Vet Med Sci
            required for the enema to reach the transverse   •  Alternative  methods  of  fecal  transplant   2(2):71-94, 2016.
            colon or even the ileum.            include administration by colonoscopy   AUTHOR: Matthew Haight, CVT
           •  Lubricate the tubing, and gently insert per   directly into the ileum, administration   EDITORS: Leah A. Cohn, DVM, PhD, DACVIM; Mark S.
            rectum. Advance slowly to the appropriate   by feeding fecal shake, or administration   Thompson, DVM, DABVP
            position (e.g., ileocolic junction to transverse   by stomach tube. Stomach acid may kill
            colon).                             beneficial microbes, making administration
           •  Administer the calculated volume of the fecal   by enema or colonoscopy preferred routes.
            shake slowly, avoiding sudden pressure that
            might trigger patient defecation.





            Feeding Tube Placement: Esophagostomy                                     Client Education   Bonus Material
                                                                                                         Online
                                                                                            Sheet

           Difficulty level: ♦♦               •  Christmas tree adapter and cap  Possible Complications and
                                              •  #11 scalpel blade               Common Errors to Avoid
           Synonym                            •  Needle-holding forceps, suture scissors  •  Make the incision small at first to keep the
           Esophageal feeding tube            •  Long, curved hemostatic forceps (e.g., curved   seal tight around the tube; you can always
                                                Kelly, Carmalt)                    enlarge it if necessary.
           Overview and Goal                  •  Nonabsorbable 2-0 or 3-0 suture material   •  Landmarks:  avoid  jugular  vein  or  close
           To provide a route (days to weeks) for deliver-  (e.g., nylon)          proximity to the larynx. They can be avoided
           ing enteral nutrition and oral medications to a   •  White surgical tape  by advancing the tip of the curved forceps
           patient unable or unwilling to eat on its own  •  Bandage  material:  sterile  gauze  pad,  roll   to the midpoint between the point of the
                                                gauze, Esmarch-type bandage (e.g., Vetrap)  shoulder and the caudal edge of the mandible
           Indications                                                             and  elevating  the  esophagus  with  the  tip
           •  Nutritional support for anorexic patients  Anticipated Time          of the curved forceps when they are in the
           •  Disorders of swallowing or mastication  20-30 minutes, including preparation  esophagus.
           •  Route of evacuation of food material in cases                      •  Avoid clogging of tube by injecting a few
            of megaesophagus (p. 642)         Preparation: Important               milliliters  of tap water immediately after
                                              Checkpoints                          every feeding or medication administration.
           Contraindications                  •  Obtain  owner  consent:  discuss  cost,  risks   •  If the tube becomes clogged, several milliliters
           •  Frequent vomiting                 (anesthesia, bleeding, aspiration pneumonia   of a carbonated, unsweetened beverage (e.g.,
           •  Coagulopathy                      [p. 793]), care of the tube and feeding at home.  seltzer or club soda) can be instilled into
           •  Gastrointestinal (GI) obstruction  •  Identify landmarks. It is useful to have an   the tube for several minutes to soften and
                                                assistant hold off the external jugular vein   dislodge the obstruction.
           Equipment, Anesthesia                to ensure the incision will be far from its
           •  General anesthesia or heavy sedation  location.                    Procedure
           •  Clippers; materials for aseptic prep and scrub  •  Trim the feeding tube to the correct length,   •  Induce general anesthesia, and intubate the
           •  Mouth gag                         if necessary. Ideally, the tube should extend   patient.
           •  Sterile gloves                    from the incision to the 7th rib, plus 6-8 cm   •  Place the animal in right lateral recumbency,
           •  Feeding  tube  (red  rubber  type),  typically   of tube that remains outside the patient.   and apply a mouth gag.
            10-Fr diameter for cats and small dogs, up   The tip of the tube should be the portion   •  Shave and disinfect the skin on the left side
            to 18 Fr for larger dogs            trimmed, not the syringe end of the tube.  of the neck from the angle of the jaw to the

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