Equine Surgery Flashcards
Which layers of tissue are involved in a grade 1 rectal tear?
Mucosa and submucosa
Which layers of tissue are involved in a grade 2 rectal tear?
Muscularis
Which layers of tissue are involved in a grade 3a rectal tear?
Mucosa, submucosa and muscularis.
Not Midline
Which layers of tissue are involved in a grade 3b rectal tear?
Mucosa, submucosa and muscularis.
Midline - dorsal
Which layers of tissue are involved in a grade 4 rectal tear?
All Layers
How should grade 1 rectal tears be treated?
Medically/No Tx
How should grade 2 rectal tears be treated?
Medically
How should grade 3/4 rectal tears be treated?
Medical and surgical
What is the medical Tx for a rectal tear?
Pen/Gent
Flunixin
Tetanus
+/-Epidural and rectal packing
What are the 3 surgical options for rectal tears?
Direct suturing
Placement of a rectal liner
Temporary diverting colostomy
how should a traumatic wound be lavaged?
Sterile polyionic fluid - 0.05% chlorhex OR 0.1% iodine
35/50ml syringe w/18/19G needle
Which suture material should be used for equine skin?
3-3.5m (2.0-0 USP) monofilament
What should be given as part of ongoing wound care?
Analgesia
ABs
+/- tetanus
+/- box rest
When should wound staples/sutures be removed?
10-14d later
If leaving a wound to heal by 2e intention, what should be applied?
Sterile hydrogel
non-adherent, absorbent dressing
Which grafts are most commonly used in equine practice?
Free grafts (usually autograft)
What are the wound bed requirements for a skin graft?
Vascularised
No necrosis/infection
No delayed healing
What is the cosmetic risk of pinch/punch grafting?
White hairs at donor site
What is the primary donor site for a pinch/punch biopsy?
Neck (+/- abdomen if needed)
How soon after a skin graft should you change the bandage?
5-7d
From where are full thickness grafts usually taken?
Pectoral
Where are split thickness grafts taken from?
Ventral thorax and abdomen - several sites
Which grafts are most likely to be accepted?
Modified meek (specialist and expensive)
