Respiratory surgery Flashcards
Indications for respiratory surgery
Exercise intolerance Poor performance abnormal respiratory noise Mucopurulent nasal discharge Serosanguinous nasal discharge External distortion of facial region
What is the clinical sign for Redundant alar folds?
Expiratory noise
Treatment for Redundant alar fold
Large temporary mattress suture
Surgery: Lateral or dorsal recumbency, carmalt forceps
Clinical signs of disease of the nasal septum
Decreased or complete obstruction
stridor
discharge
facial distortion
Aftercare of treatment of nasal septum resection
systemic abx
NSAIDs
Remove packing 2 days post op
Clean and flush with saline
Progressive ethmoid hematoma
progressively enlarging soft tissue mass originating from the mucosa of the ethmoid turbinates
Clinical signs of ethmoid hematoma
epistaxis
serosanguinous nasal exudate
Stridor
Where is the ethmoid hematoma located if the epistaxis is bilateral?
caudal to the caudal edge of the nasal septum
Where is the ethmoid hematoma located if the epistaxis is unilateral?
cranial to the caudal edge of the nasal septum
Treatment for Ethmoid hematoma
Trephination for removal
4% formalin via biopsy endoscopically repeat in 2-3 weeks
What is the histopathology of ethmoid hematoma?
Outer surface: respiratory epithelium
Central: hemosiderin filled macrophages
What causes Primary Sinusitits?
Upper respiratory tract infection
What causes secondary Sinusitis?
Dental disease
Facial fractures
Cysts
Neoplasia
Clinical signs of Sinusitis
Nasal discharge: serosanguinous
Coughing
Facial deformity
Landmarks of the frontal sinus
Cranial edge of facial crest
Medial canthus of the eye
1cm above the imaginary line halfway between the points
Aftercare of trephination for sinusitis
Leave open
flush daily
Abx
NSAIDs
What is the treatment for Squamous cell carcinoma?
necropsy
Cribbing
“windsucker”
Grasp object with incisors
Contract ventral neck muscles
Pull backward
What are the causes of cribbing?
Boredom
confinement
isolation
lack of roughage
Consequences of cribbing
Colic
abnormal wear of incisors
weight loss
Non surgical treatment of cribbing
Remove fixed objects bitter tasting substances Cribbing straps acupuncture Aversion Naloxon
Surgical treatment of cribbing
removal of: Sternomandibularis, sternothyrohyoideus, omohyoideus
Neurectomy - ventral branch of spinal accessory nerve
Modified Forssel’s Procedure - myectomy or neurectomy
Aftercare of Myoectomy
Abx + NSAIDs
Change environment
Idiopathic Laryngal Hemiplegia
Uni- or bilateraly paralysis of the cricoarytenoid muscle due to progressive neurogenic atrophy of the recurrent laryngeal nerve
Signalment of equine with Idiopathic laryngeal hemiplegia
1-10 years old
large breed horses
Hereditary
Causes of Idiopathic Laryngeal Hemiplegia
Perivascular injection of the left jugular vein Gutteral pouch mycosis trauma strangles Organophosphate toxicity Plant poisoning Lead toxicity CNS disease
Test for Idiopathic Laryngeal hemoplegia
Slap test
Grade 1 Idiopathic Laryngeal hemoplegia
Normal full abduction of left and right
Grade 2 Idiopathic Laryngeal hemoplegia
Asynchronous abduction but full abduction could be achieved
Grade 3 Idiopathic Laryngeal hemoplegia
Asymmetry at rest, some movement, but full abduction cannot be achieved
Grade 4 Idiopathic Laryngeal hemoplegia
Asymmetry at rest and no movement
Treatment of Idiopathic Laryngeal hemoplegia
Laryngoplasty (Tie back)
Ventriculectomy (sacculoectomy)
What are complications of the Tieback?
Seroma
Cough
Dysplagia
What are complications of Ventriculectomy?
Granuloma formation
Mucocele
Laryngeal web
Arytenoid chondritis
inflammation and thickening of the arytenoid cartilage
Treatment of Arytenoid chondritis
Total arytenoidectomy
Partial arytenoidectomy
Treatment of choice for Arytenoid chondritis
Partial arytenoidectomy
Dorsal Displacement of the soft palate
the soft palate is displaced over the epiglottis
“Choking up”
Treatment of DDSP
NSAIDs
Tongue tie
Laryngohyoid support device
Surgical Treatment of DDSP
Staphylectomy Myectomy Removal of sternothyroideus, sternohyoideus, omohyoideus Epiglottic augmentation LASER cauterization Laryngeal tie forward
What is the preferred Surgical Treatment of DDSP?
Myectomy of sternothyrohyoideus,