Ovariohysterectomy and Castration

Question 1

Ovariohysterectomy

Answer 1

Surgical Removal of the ovaries and uterus

Question 2

Ovariectomy

Answer 2

Surgical removal of the ovaries

Question 3

What are the indications for OHE?

Answer 3

Elective sterilization 
Treatment of ovarian or uterine disease
Prevention of mammary neoplasia
Prevention/Treatment of neoplasia
Prevention/Treatment of vaginal hyperplasia/prolapse

Question 4

Why do we perform elective sterilization?

Answer 4

Overpopulation
Client awareness of overpopulation
Decrease hereditary defects
More desirable pet: No heat, no males, decreased aggression

Question 5

What are the advantages of OHE?

Answer 5

Prevention of mammary tumors
Prevention of idiopathic epilepsy
prevention of diabetes mellitus

Question 6

What are the disadvantages of OHE?

Answer 6

Decreased Obesity 
Increased appetite
Orthopedic problems: Hip dysplasia and CCL rupture
Urinary incontinence 
Neoplasia

Question 7

How do you approach an OHE?

Answer 7

At the Umbilicus

Cranial 1/3 of caudal abdomen

Question 8

How long should the incision for an OHE be?

Answer 8

4-6cm

Question 9

What instrument should you use to bluntly dissect the SQ?

Answer 9

Metzenbaum scissors

Question 10

What is a complication of too much dead space?

Answer 10

Seroma

Question 11

Where are the ovaries located ?

Answer 11

caudal pole of the kidney

Question 12

Where is the uterine body located?

Answer 12

Between the bladder and colon adjacent to the ureters

Question 13

Where does the right ovarian vein drain into?

Answer 13

vena cava

Question 14

Where does the left ovarian vein drain into?

Answer 14

left renal vein

Question 15

What is caused by using non absorbable suture in an OHE?

Answer 15

Fistulous tracts

Question 16

What should you always do in an OHE?

Answer 16

Check ovarian bursa to ensure you have removed the entire ovary
Remove ovaries and uterus from surgical field
Remove blood from dorsal gutters
Look for active hemorrhage

Question 17

What is the most common cause of death in OHE?

Answer 17

Hemorrhage

Question 18

What are the complications of an OHE?

Answer 18

Hemorrhage
Infection
Dehiscence
Ligation or clamping injury of ureter

Question 19

What is the requirements of Postoperative care for an OHE?

Answer 19

Exercise restriction
Elizabethan collar
Keep away from males

Question 20

What is the approach for a Feline OHE?

Answer 20

Middle 1/3 of caudal abdomen

Shorter incision

Question 21

What is the size of the incision in Feline OHE?

Answer 21

3-4 cm

Question 22

What is unique for Feline OHE closure?

Answer 22

Do not close with the subcutaneous layer

Question 23

Castration

Answer 23

Any procedure in which an individual looses his testicles

Question 24

Neuter

Answer 24

Any sterilization procedure

Question 25

What are the indications for Castration or Neuter?

Answer 25

Population control | Behavioral

Question 26

What diseases are prevented with Castration/Neutering?

Answer 26

``` Cryptorchidism Neoplasia Testicular Torsion Testicular abscess Scrotal urethrostomy Prostatic Cysts Prostatic Abscesses Prostatic BPH Perineal hernia ```

Question 27

What is the most common approach for Castration?

Answer 27

Pre-scrotal

Question 28

What is a complication of the scrotal approach in older animals?

Answer 28

Scrotal perineal pain | Hemorrhage

Question 29

When would you perform a Scrotal approach with ablation?

Answer 29

Testicular or scrotal neoplasia Testicular or scrotal trauma Testicular torsion Large mature pendulous scrotum

Question 30

When would you perform an inguinal or abdominal approach?

Answer 30

Cryptorchid patient

Question 31

What is the difference between the Closed or Open Castration?

Answer 31

Penetration of the Parietal Vaginal tunic

Question 32

What is the suture used for closure?

Answer 32

3-0 monofilament absorbable (PDS)

Question 33

What is the postoperative care?

Answer 33

Restrict activity E-collar Rimadyl for 2-3 days

Question 34

What are the complications associated with castration?

Answer 34

Scrotal hematoma Infection hemorrhage Swelling/Bruising

Question 35

How do you ligate the cord in a Feline Castration?

Answer 35

Overhand Knot Figure 8 knot 3-0 absorbable sutures

Question 36

How do you close the incision of a Feline Castration?

Answer 36

No closure | Allow to heal by second intention

Question 37

What are the complications with a Feline Castration?

Answer 37

Funiculitis Scrotal hematoma Scrotal abscess Priapism

Question 38

Funiculitis

Answer 38

Inflammation of the spermatic cord