Term
| What are the guttural pouches? |
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Definition
| paired extensions of the eustachian tubes |
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Term
| What are the compartments of the guttural pouches? What separates them? |
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Definition
-lateral pouch & medial pouch
-stylohyoid bone |
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Term
| What cranial nerves run through the guttural pouches? |
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Definition
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Term
| Which vessel in the guttural pouch is of huge importance? |
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Definition
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Term
| What is guttural pouch empyema? |
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Definition
| -purulent exudate w/in the guttural pouches |
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Term
| What is the typical signalment of horses w/ guttural pouch empyema? |
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Definition
| -young hourses: yearlings-4y |
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Term
| What is the typical etiology behind guttural pouch empyema? |
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Definition
-URT infection
-retropharyngeal LN abscessation due to Strangles |
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Term
| What are the clinical signs of guttural pouch empyema? |
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Definition
-mucopurulent nasal discharge: esp one that doesn't clear up
-LN enlargement
-swelling behind ramus
-+/- fever |
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Term
| How do we diagnose guttural pouch empyema? |
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Definition
-endoscope
-fluid line on rads |
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Term
| How do we treat guttural pouch empyema? |
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Definition
-parenteral abx: Penicillin, ceftiofur
-NSADs
-lavage: balaned eletrolyte sln
-repository abx
-lavage w/ nasal catheter through pharyngeal openings
-lavage via nasal catheter w/ ventral drainage |
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Term
| What is the major potential sequela of guttural pouch empyema? |
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Definition
| -chondroids: inspissated pus |
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Term
| How do we treat chondroids? |
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Definition
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Term
| What is the Modified Whitehouse approach to chondroid removal? |
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Definition
-standing sedation w/ local block
-enter GP just under linguofacial v w/ blunt dissection
-use endoscope at same time |
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Term
| What is guttural pouch tympany? Typical signalment? |
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Definition
-gross distesion of GP w/ air, usually unilaterally
-mostly foals <12m |
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Term
| What etiology is behind guttural pouch tympany? |
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Definition
| -dysfunction of pharyngeal openings of GP |
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Term
| What are the clinical signs of guttural pouch tympany? |
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Definition
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Term
| How do we diagnose guttural pouch tympany? |
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Definition
-endoscope: no abnormalities are seen & decompression can be accomplished
-rads |
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Term
| How do we treat guttural pouch tympany? |
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Definition
-unilateral: surgically make connection b/n puches
-bilateral: make hole into dorsal recess of pharynx |
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Term
| What is guttural pouch mycosis? |
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Definition
| -mycotic infection of guttural pouch affecting ICA |
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Term
| What is the signalment of guttural pouch mycosis? Etiology? |
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Definition
-no apparent predisposition
-maybe more occurence in Northern US
-etiology: maybe Aspergillus |
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Term
| What are the clinical signs of guttural pouch mycosis? |
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Definition
-SEVERE BILATERAL EPISTAXIS
-CN deficits: dysphagia, pharyngeal paresis, LLH, horner's, CNS dysfunciton |
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Term
| How do you diagnose guttural pouch mycosis? |
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Definition
| -endoscope: see plaques growing on ICA in GP |
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Term
| How do we treat guttural pouch mycosis? |
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Definition
-topical infusions of antifungals
-systemic antifungals
-NSAIDs
-surgical ligation of ICA
-ballon-catheter occlusion of ECA & maxillary |
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Term
| What makes up the borders of Viborg's triangle? |
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Definition
-sternocephalicus
-linguofacial v
-vertical ramus |
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