Ovariohysterectomy and Castration Flashcards
Ovariohysterectomy
Surgical Removal of the ovaries and uterus
Ovariectomy
Surgical removal of the ovaries
What are the indications for OHE?
Elective sterilization Treatment of ovarian or uterine disease Prevention of mammary neoplasia Prevention/Treatment of neoplasia Prevention/Treatment of vaginal hyperplasia/prolapse
Why do we perform elective sterilization?
Overpopulation
Client awareness of overpopulation
Decrease hereditary defects
More desirable pet: No heat, no males, decreased aggression
What are the advantages of OHE?
Prevention of mammary tumors
Prevention of idiopathic epilepsy
prevention of diabetes mellitus
What are the disadvantages of OHE?
Decreased Obesity Increased appetite Orthopedic problems: Hip dysplasia and CCL rupture Urinary incontinence Neoplasia
How do you approach an OHE?
At the Umbilicus
Cranial 1/3 of caudal abdomen
How long should the incision for an OHE be?
4-6cm
What instrument should you use to bluntly dissect the SQ?
Metzenbaum scissors
What is a complication of too much dead space?
Seroma
Where are the ovaries located ?
caudal pole of the kidney
Where is the uterine body located?
Between the bladder and colon adjacent to the ureters
Where does the right ovarian vein drain into?
vena cava
Where does the left ovarian vein drain into?
left renal vein
What is caused by using non absorbable suture in an OHE?
Fistulous tracts
What should you always do in an OHE?
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
What is the most common cause of death in OHE?
Hemorrhage
What are the complications of an OHE?
Hemorrhage
Infection
Dehiscence
Ligation or clamping injury of ureter
What is the requirements of Postoperative care for an OHE?
Exercise restriction
Elizabethan collar
Keep away from males
What is the approach for a Feline OHE?
Middle 1/3 of caudal abdomen
Shorter incision
What is the size of the incision in Feline OHE?
3-4 cm
What is unique for Feline OHE closure?
Do not close with the subcutaneous layer
Castration
Any procedure in which an individual looses his testicles
Neuter
Any sterilization procedure
What are the indications for Castration or Neuter?
Population control
Behavioral
What diseases are prevented with Castration/Neutering?
Cryptorchidism Neoplasia Testicular Torsion Testicular abscess Scrotal urethrostomy Prostatic Cysts Prostatic Abscesses Prostatic BPH Perineal hernia
What is the most common approach for Castration?
Pre-scrotal
What is a complication of the scrotal approach in older animals?
Scrotal perineal pain
Hemorrhage
When would you perform a Scrotal approach with ablation?
Testicular or scrotal neoplasia
Testicular or scrotal trauma
Testicular torsion
Large mature pendulous scrotum
When would you perform an inguinal or abdominal approach?
Cryptorchid patient
What is the difference between the Closed or Open Castration?
Penetration of the Parietal Vaginal tunic
What is the suture used for closure?
3-0 monofilament absorbable (PDS)
What is the postoperative care?
Restrict activity
E-collar
Rimadyl for 2-3 days
What are the complications associated with castration?
Scrotal hematoma
Infection
hemorrhage
Swelling/Bruising
How do you ligate the cord in a Feline Castration?
Overhand Knot
Figure 8 knot
3-0 absorbable sutures
How do you close the incision of a Feline Castration?
No closure
Allow to heal by second intention
What are the complications with a Feline Castration?
Funiculitis
Scrotal hematoma
Scrotal abscess
Priapism
Funiculitis
Inflammation of the spermatic cord
