Learn about the veterinary topic of Guttural Pouch Disease in Horses. Find specific details on this topic Guttural Pouch Mycosis. Guttural pouch mycosis, horse. Guttural pouch empyema. Trostle SS(1), Rantanen NW, Nilsson SL, Oman DD, Cranney GC. Author information: (1)San Luis Rey Equine Hospital, Holly Ln . J Am Vet Med Assoc. Dec 1;(11) Empyema of the guttural pouch (auditory tube diverticulum) in horses: 91 cases (). Judy CE(1).

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Infections of the head and ocular structures in the horse. A sample taken directly from the guttural pouches endoscopically for aerobic and anaerobic culture and sensitivity is most representative of the infectious etiology of the guttural pouch empyema, although nasopharyngeal swabs can be obtained if the other is not feasible. Nasal mucopurulent discharge in a foal with bilateral guttural pouch empyema C. Sepsis in adults and foals. A cassette holder is used to eliminate the need for a person near the primary x-ray beam.

Treatment of Guttural Pouch Empyema in Horses.

If the infection is found to be Strep equi equi then penicillin beads should be place in the guttural pouches and oral trimethoprim sulphate should be given to clear the infection. Immunologic disorders in neonatal foals.

Necropsy was immediately performed and revealed the fullness of right and left GP by mucopurulent exudate, no signs of retropharyngeal abscesses, presence of mucous accumulation in the trachea and diffuse pulmonary congestion in the lungs suggesting pneumonia. These samples will both be sent to a laboratory for testing.

It is important to remember that lavage and establishment of drainage are mainstays of successful management of guttural pouch empyema and that systemic antimicrobials are an adjunct to therapy.

Equine guttural pouches auditory tube diverticula are unique because of their size—Equine guttural pouches are the largest of several species examined in one study.

What is your diagnosis? Guttural pouch empyema.

Empuema the Chamber’s catheter is confirmed to be in the guttural pouch, a fluid administration line can be secured to the end of the catheter and a substantial volume up to 3 to 5 L of isotonic balanced electrolyte solutions can be flushed through the system using a pump, manual pressure, or empyemq fluid pressure bag. Large Animal Veterinary Rounds, v. Once in the guttural pouch, the tubing is advanced, and up to 50 ml of sterile saline can be instilled into the guttural pouch and subsequently aspirated using the endoscope to visualize the fluid.


This can be seen as a fluid line in standing lateral radiograph of guttural pouches.

Guttural Pouch Empyema – WikiVet English

Empeyma therapy in equine medicine. This entire procedure may take 30 to 60 minutes. Endoscopic findings include purulent exudate on the floor of the guttural pouch, mucosal hyperplasia, thickening and discoloration of the cartilage flap at the pharyngeal orifice, 13 pharyngeal edema or narrowing, pharyngeal lymphoid hyperplasia, pharyngeal asymmetry, and chondroids 11 FIGURE 5.

Streptococcus equi was isolated from gtutural guttural pouch in 14 of 44 horses; for Streptococcus spp, in vitro resistance to sulfadimethoxine and trimethoprim-sulfamethoxazole was detected. Twenty percent of horses with guttural pouch empyema have complications and may require more sophisticated and invasive procedures. Guttural pouch empyema is an infection that can occur in horses due to bacterial infection. However for the present case, this etiology was excluded emlyema the owners did not report evidences of timpany during the onset of clinical signs.

For young foals, the prognosis may be very guarded due to the risk of anatomical defects. Endoscopy of the GP should show purulent material and tympanitis. Should the procedure be unsuccessful, the surgical approach is the last viable option.

Diagnosing Guttural Pouch Disorders and Managing Guttural Pouch Empyema in Adult Horses

CT or MRI may help to more clearly define bony lesions that may cause secondary hemorrhage into the guttural pouches, such as fracture of the stylohyoid bone.

The exudate will often spread to the eustachian tubes and into the throat and nasal passages. Your veterinarian will flush the pouch with sterile saline and then aspirate the saline and sample of gutural back into a sterile syringe.

The prognosis for gutgural suffering from this disease is good if treatment is commenced early. Clinical Techniques in, Equine Practice v. The endoscope is passed nasally ventral and medial and directed toward the dorsal aspect of the ipsilateral guttural pouch; the flexible biopsy instrument is then advanced through the biopsy channel and under the fibrocartilage flap until it is well seated in the guttural pouch.


This page was last modified on 31 Julyat For this case, no signs of retropharyngeal lymph nodes infection were observed pouchh necropsy. The equine guttural pouches empyea paired diverticula of the eustachian tubes, each normally containing approximately ml of air.

Once inside the guttural pouch, eempyema biopsy instrument can be retracted into the biopsy channel. Guttural pouch empyema is a the infection and accumulation of purulent material within the guttural pouch GP. Distention of the balloon within the funnel of the pharyngeal opening could cause pressure necrosis. Horses with suspect guttural pouch empyema should be handled with appropriate biosecurity precautions because it is frequently a sequela to infection of the retropharyngeal lymph nodes with strangles.

Although uncommon in such young animals, the foal was infected and developed a primary bilateral guttural pouch empyema, without signs of lymph nodes alteration.

Services on Demand Journal. Navigation menu Personal tools The following measures should be taken: If your horse is showing signs of improvement after 10 days of treatment, continued irrigation may be recommended. The ventral emphema of the lateral compartment contains the external carotid artery which becomes the maxillary arterymaxillary vein, chorda tympani nerve, and facial nerve i.

The most commonly used antibiotic is penicillin, which may be given via intravenous or intramuscular injection. Retropharyngeal swelling and pharyngeal narrowing were significantly more prevalent in poych with chondroids, compared with horses with uncomplicated empyema. To perform this, a flexible biopsy instrument passed through the biopsy channel of the endoscope or a Chamber’s catheter is necessary.