Surgical opening Of Gutteral Pouch

Danish Rehman2012-Va-249

What is Guttural pouch

It is Paired extension of eustachian tubes Or ventral diverticulum of the auditory tube

Present Only In Equines

Anatomy

Dorsaly: Between the base of cranium and atlas

Ventraly: pharynx, retropharyngeal LN

Medialy : rectis capitalis ventralis,Longus Capitus And Median Septa

Anatomy

FunCtioN

It connects pharynx to the middle ear through the pharyngeal orifice of the eustachian tube. Cerebral blood cooling mechanism.

Works at times of physical stress/exercise, when core body temperature is High.

Capacity Of Guttural Pouch

The Average Capacity Of Each Guttural Pouch Is 300 To 350 ml…

IndicatioN

1 MYCOTIC INFECTION: Guttural pouch diphtheria Is Common Guttural pouch mycosis is the most

serious of the three pouch diseases and is caused by the presence of fungi in the pouch. Aspergillus, Candida, Penicillium are the fungi most commonly found; they easily are encountered in hay, forage, and other parts of the horse's natural environment

Indication

2 Tympany Horses with this problem are born

with a defect that causes the pharyngeal opening of the Eustachian tube to act like a one-way valve. Air can get in, but it cannot get out. This condition usually occurs in only one pouch, but it can affect both.

Indication

3 EMPYEMA/PUS FILLED POUCHES:Empyema of the guttural pouches is defined as the presence of purulent material and chondroids within the one or both guttural pouches.

MycotiC InfectioN

Tympany

ChondroiD Mass

Pre Operative

Shaving

Pre operative

Anesthesia

Local : Local anesthesia (lignocaine HCl 2%)

5-8ml used s/c. General : xylazine

(1.1mg/kg bw)

Surgical Position/Approach

Viborg’s triangle approach. Hyovertebrotomy approach White house Approach

Modified White house Approach

VIBORG’S TRIANGLE

It is formed by caudal border of vertical ramus of mandible in front, the tendon of the sternomendibular above and the submaxillary vein/lingofacial below.

Surgical OperatioN

ProceduRe

Make an incision about 3 inches long parallel to submaxillary vein (lingofacial vein) from border of mandible or in the center of Vibrog’s triangle.

Reflect the pouch by blunt dissection of the underlying connective tissue by until the pale lining of the pouch comes into view.

procedure

Evacuate the contents which may be entirely liquid or partly solid (chestnut like bodies called chondroids).

apply simple continuous sutures (catgut)

to apposite fascia Apply simple interrupted suture to

apposite skin

Penbiotic Administeration

Post operative Care

ASD with pyodine Gentamicin/chlor amphenicol 5 days Penbiotic dusting

Healing

With In 2 to 3 Days Complete Healing Occur

Thank UoO!!