Surgery of the Male Equine Urogenital Tract Flashcards Preview

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Flashcards in Surgery of the Male Equine Urogenital Tract Deck (77)
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1

When is castration done?

1-2 years

2

What should you make sure is done when you castrate?

that the animal is vaccinated--don't want them getting tetanus

3

What must you remember about the inguinal ring?

it is only the external ring, there is also an inguinal canal and a vaginal ring on the peritoneal side. It is not the size of the external ring (that you can palpate) that is important with regards to herniation, it is the vaginal ring that is important and you cannot palpate that from the outside

4

What is another name for vaginal tunic?

parietal tunic

5

WHat must you remember when you cut through the vaginal tunic?

you are in the abdminal cavity--abdominal peritoneal fluid

6

Why will all castrated animals end up with a degree of inflam peritonitis?

because you are entering the abdominal cavity technically
so if horse is really sick and you do an abdominal tap then you will get abnormal results even if the horse is not sick due to a peritonitis

7

If a testicle is intrabdominal at birth will it go to a normal position?

no

8

Why is important to know proper anatomy for cryptorchids?

need to remove testicle! not something else

9

What does the proper ligament join?

tail of epidydmdus to testicle

10

What does ligament of tail join?

tail of epididymus to vaginal tunic

11

What is castration NOT a treatment for?

bad behaviour

12

How is routine sharp surgery done?

standing-sedation
recumbent-GA

13

Which is preferable, standing or recumbent?

recumbent

14

What are the benefits of standing castration

less expense
less assistance (not necessarily and need good handling)
less time consuming (not really)

15

What animals should you avoid standing castration in?

donkeys, mules, short horses--less working space
have a habit of kicking
donkeys and mules bleed more

16

Why should you always palpate the testicles?

if one much larger than the other or think neoplastic process you want to know that because may bleed more or not prepared to deal with that.
Make sure there are two!!!

17

Right retained testicles are typically what? Left?

right--inguinal
left--abdominal

18

What plants horse feet better than rompin?

detomidine

19

What do horses react to more when with detomidine than xylazine?

flies/light touch

20

What do you have to inject lidocaine into?

1. spermatic cord
2. testicle
3. scrotum
he doesn't like to inject into spermatic cord into GA is because it creates puncture, when applying traction can rupture at that point

21

What should you expect when injecting lidocaine into testi le?

a bad reaction

22

Why do you have to watch out for the penis while doing a standing castration?

it is always dirty

23

What does open and closed refer to with castration?

Whether or not you open the vaginal tunic

24

What side do you want to crush, what side do you want to cut with emasculators?

crush the horse side, cut the testicle side
Want crushing so get hemostasis and cut the other side
Double check!!!!

25

What is the increased rate of complication with standing?

30%

26

What do you use for GA for castratrion?

Rompun and ketamine and diazepam for recovery

27

What does he have in the jugular?

a needle with a half dose of rompun and ketamine--can tell owner to push in if horse starts to wake up

28

Where could you put a top up dose of rompun and ketamine other than neck?

have on surgery pack aseptically and give in groin--big vessels

29

With an open castration what is incised?

scrotum and parietal tunic

30

When do you ligate?

before you apply the emasculators (otherwise pressure high and then when take emasculator off then ligature is loose)