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RUSVM Small Animal Surgery 2017 > Ovariohysterectomy and Castration > Flashcards

Ovariohysterectomy and Castration Flashcards

1
Q

Ovariohysterectomy

A

Surgical Removal of the ovaries and uterus

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2
Q

Ovariectomy

A

Surgical removal of the ovaries

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3
Q

What are the indications for OHE?

A 
Elective sterilization 
Treatment of ovarian or uterine disease
Prevention of mammary neoplasia
Prevention/Treatment of neoplasia
Prevention/Treatment of vaginal hyperplasia/prolapse
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4
Q

Why do we perform elective sterilization?

A

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

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5
Q

What are the advantages of OHE?

A

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

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6
Q

What are the disadvantages of OHE?

A 
Decreased Obesity 
Increased appetite
Orthopedic problems: Hip dysplasia and CCL rupture
Urinary incontinence 
Neoplasia
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7
Q

How do you approach an OHE?

A

At the Umbilicus

Cranial 1/3 of caudal abdomen

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8
Q

How long should the incision for an OHE be?

A

4-6cm

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9
Q

What instrument should you use to bluntly dissect the SQ?

A

Metzenbaum scissors

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10
Q

What is a complication of too much dead space?

A

Seroma

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11
Q

Where are the ovaries located ?

A

caudal pole of the kidney

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12
Q

Where is the uterine body located?

A

Between the bladder and colon adjacent to the ureters

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13
Q

Where does the right ovarian vein drain into?

A

vena cava

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14
Q

Where does the left ovarian vein drain into?

A

left renal vein

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15
Q

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

A

Fistulous tracts

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16
Q

What should you always do in an OHE?

A

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

17
Q

What is the most common cause of death in OHE?

A

Hemorrhage

18
Q

What are the complications of an OHE?

A

Hemorrhage
Infection
Dehiscence
Ligation or clamping injury of ureter

19
Q

What is the requirements of Postoperative care for an OHE?

A

Exercise restriction
Elizabethan collar
Keep away from males

20
Q

What is the approach for a Feline OHE?

A

Middle 1/3 of caudal abdomen

Shorter incision

21
Q

What is the size of the incision in Feline OHE?

A

3-4 cm

22
Q

What is unique for Feline OHE closure?

A

Do not close with the subcutaneous layer

23
Q

Castration

A

Any procedure in which an individual looses his testicles

24
Q

Neuter

A

Any sterilization procedure

25
Q

What are the indications for Castration or Neuter?

A

Population control

Behavioral

26
Q

What diseases are prevented with Castration/Neutering?

A 
Cryptorchidism
Neoplasia
Testicular Torsion 
Testicular abscess
Scrotal urethrostomy 
Prostatic Cysts 
Prostatic Abscesses 
Prostatic BPH 
Perineal hernia
27
Q

What is the most common approach for Castration?

A

Pre-scrotal

28
Q

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

A

Scrotal perineal pain

Hemorrhage

29
Q

When would you perform a Scrotal approach with ablation?

A

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

30
Q

When would you perform an inguinal or abdominal approach?

A

Cryptorchid patient

31
Q

What is the difference between the Closed or Open Castration?

A

Penetration of the Parietal Vaginal tunic

32
Q

What is the suture used for closure?

A

3-0 monofilament absorbable (PDS)

33
Q

What is the postoperative care?

A

Restrict activity
E-collar
Rimadyl for 2-3 days

34
Q

What are the complications associated with castration?

A

Scrotal hematoma
Infection
hemorrhage
Swelling/Bruising

35
Q

How do you ligate the cord in a Feline Castration?

A

Overhand Knot
Figure 8 knot
3-0 absorbable sutures

36
Q

How do you close the incision of a Feline Castration?

A

No closure

Allow to heal by second intention

37
Q

What are the complications with a Feline Castration?

A

Funiculitis
Scrotal hematoma
Scrotal abscess
Priapism

38
Q

Funiculitis

A

Inflammation of the spermatic cord

RUSVM Small Animal Surgery 2017 (17 decks)

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