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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Guttural pouch empyema is a the infection and accumulation of purulent material within the guttural pouch GP. The present report describes a 2-month-old foal which signs of respiratory infectious disease, bilateral retropharyngeal swelling and nasal mucopurulent discharge, suggesting guttural pouch empyema.

This article reviews the anatomy and diagnostic imaging of the equine guttural pouch and discusses the clinical signs as well as diagnostics, treatments, and techniques used in adult horses with guttural pouch empyema. The dam, referred with its foal, had the udder guttyral of milk and showed a ruptured retropharyngeal abscess on the left side Figure 1D. The internal carotid artery, cranial cervical ganglion, vagus nerve i.

Treatment with lavage offers a good prognosis for resolution of uncomplicated guttural pouch empyema. Signs include cranial nerve dysfunction cranial nerves VII through XIIepistaxis with mycosis of the internal and external carotid and maxillary arteries, and bilateral or unilateral mucopurulent nasal discharge. Retrieved from ” https: This infection is often secondary to equine distemper, a contagious upper respiratory disease that is caused by Streptoccocus equi.

The drug of choice for the most commonly isolated organisms, S. Compendium on Continuing Education for Practicing Veterinarian, v.

The most common clinical signs of empyema are persistent mucopurulent nasal discharge either unilateral or bilateral; it can be bilateral with unilateral empyema and retropharyngeal futtural that is painful on palpation. Very little work has been done to evaluate the normal flora of the equine guttural pouch, and it is assumed to be similar to that of the rest of the equine upper respiratory tract.

This condition is notoriously difficult to treat due to the difficulty in removing all bacteria from the area. Dysphagia associated with guttural pouch empyema and dorsal displacement of the soft palate. Your veterinarian will discuss the best treatment plan for your horse with you.


The prognosis for horses suffering from this disease is good if treatment is commenced early. The guttural huttural are ventral to the cranium and atlas and dorsolateral to the pharynx and extend rostrally to the level of oouch pharyngeal orifice of the eustachian tube and caudally to the level of the atlantoaxial joint. Guttural Pouch Empyema in Horses Book in.

Diseases of the guttural pouches. Guttural pouch diseases in the horse. The owners reported that the foal lived in a herd that experienced an outbreak of strangles. Acquiring opposite lateral radiographs has been suggested to avoid general anesthesia. The technique has been thoroughly described, 8 and the purposes of the procedure are to evaluate the size and margin as well as whether the vessels are patent by using a positive-contrast medium.

Therefore, we recommend lavaging the guttural pouches with isotonic balanced electrolyte solutions and discourage the instillation of noxious agents e. Foals younger than 3 months are usually protected against infectious diseases, however in this case, the foal was exposed to an environment heavily populated by Streptococcus equi equi during the outbreak of strangles.

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. This entire procedure may take 30 to 60 minutes. Symptoms of Guttural Pouch Empyema in Horses.

Frequently, these procedures are long and involved, requiring hours and innovative instrumentation.

Empyema of the guttural pouch (auditory tube diverticulum) in horses: 91 cases ().

Development Upload file Commons. Masses in or encroaching on the guttural pouch are rare but include masses of the parotid or retropharyngeal lymph nodes futtural primary cancer of the guttural pouch i. If your horse is suffering from pain, anti-inflammatories or other analgesic medication will be offered.

Their presence can be confirmed endoscopically or radiographically. The caveat pouvh that cassette holders and proper technique are required to optimize the safety of the patient while minimizing exposure to personnel.

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

However, lesions identified on radiographs are rarely pathognomonic; therefore, further diagnostic tests i. Medical records of horses with guttural pouch empyema were reviewed. Definitions for sepsis and organ failure and guidelines for the use of innovative therapies in sepsis.


Your veterinarian will flush the pouch with sterile saline and then aspirate the saline and empyeam of exudate back into a sterile syringe. These retention catheters are sometimes difficult to place, can only facilitate small amounts of fluid for irrigation, and are frequently sneezed or blown out by the horse.

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. Causes Diagnosis Treatment Recovery Advice. A topical penicillin gel e,pyema also be used that can be applied to the guttural pouch lining to enhance bacterial clearance. In horses who require surgery it is expected that only a short period of hospitalisation is needed.

We advise against blind placement of the Chamber’s catheter and recommend that placement be confirmed by endoscopic visualization. Streptococcus equi subspecies zooepidemicus or, of particular importance, Streptococcus equi subspecies equi. The pouches can be drained by catheter or surgically.

ABSTRACT The present report describes a 2-month-old foal which signs of respiratory infectious disease, bilateral retropharyngeal swelling and nasal mucopurulent discharge, suggesting guttural pluch empyema. Twenty percent of horses with guttural pouch empyema have complications and may require more sophisticated and invasive procedures. Guttural pouch empyema is the infection of these structures caused by bacterial invasion.

Complications from this procedure were not noted in the two horses. A Chamber’s catheter can be passed blindly and nasally into the nasopharynx and advanced into the guttural pouch by advancing the curved end beneath the flap of the medial lamina of the ipsilateral pouch. Current therapy in equine medicine. 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.

A current hypothesis is that they play a role in cooling blood to the brain, 2 although their purpose is still under debate.

Alternatively, a Chamber’s catheter can be placed nasally, advanced into the nasopharynx, and viewed gututral the endoscope, which is passed into the opposite nostril.