27. Castration Flashcards
Why are horses castrated?
-Decrease masculine temperament
-Prevent breeding
What is the difference between an:
Open:
Closed:
Modified Closed:
Open: In vaginal tunic
Closed: Strip down, still separate
Modified Closed: Both
What are some post op complications? What do you do about them?
Hemorrhage - clamp, pack, ligate
Scirrhous Cord
Septic funiculitis
Champigon
Spetic peritonitis
Hydrocele
Penile Damage
Continued Masculine behavior
Evisceration
Edema
What drugs are used for the following:
Premedication:
Induction:
Maintenace:
Premedication: Xylazine (1.1mg/kg)
Induction: Ketamine (2.2mg/kg
Maintenace: Ketamine (1/2 above dose)
Once your patient is in recumbency what should you do to prevent nerve damage?
Pull down leg forward, towel under the eye and remove the halter?
What are the steps to castration?
Pull one hind leg forward
Scrub and alcohol
5-10cc Lidocaine per testicle
Make 1 or 2 large parallel insicions the size of the testicle (drainiage)
Pull testicle out and decide method (Strip):
- Open
-Cut vaginal tunic and expose structures
-Separate cremaster from vessels
-Use emasculator nut to nut to cut the cremaster first (on 3-5 min)
-Cut
-Then do vessels
-While emasculator still on ligate the vessels (2 transfixion knots - distal to proximal)
-Cut - Closed
Same as above but keep vaginal tunic intact - Partial
Same open for part
Cut away any unneeded facia
Then leave insion open to drain
What is a good post op plan/discharge?
Forced exercise 20min trot a day
Paddock turnout
Wait 1-2 months before with mares
Hydrotherapy
NSAID
Antibiotics
When are horses castrated?
1-2 years (inguinal rings tight)
A partial scrotal ablation can help with what?
Drainage
-Keep open for a few weeks
What suture is best for your ligatures?
Monofilament
For safety, where should you not stand?
Head and feet
