OVH

Question 1

what is the lab minimal data base?

Answer 1

PCV, TP, Chemistry

Question 2

an adult dog should be fasted __ hours while __ hours is appropriate for small breeds/young animals

Answer 2

12, 4-8

Question 3

the ovary is located in the __ in the dog and is ___ in the cat

Answer 3

ovarian bursa, readily visible

Question 4

incisions heal __ to __ not end to end

Answer 4

side to side

Question 5

how to enter the abdomen?

Answer 5

grasp the linea with forceps and tent upwards then stab incision with scalpel parallel to body wall, blade facing up - don’t stab the spleen or bladder

Question 6

how should you located the ovary/uterus?

Answer 6

use fingers or snook spay hook to find the uterus dorsally along the body wall

Question 7

how should you break down the suspensory ligament?

Answer 7

clamp on the proper ligament then id the bands of the suspensory ligament digitally
- be aggressive!

Question 8

After placing a modified millers knot, how do you transect the ovarian pedicle?

Answer 8

• slide blade through pedicle using hemostat as a guide
• test ligature security with thumb forceps
• release hemostat and check for hemorrhage

Question 9

what are things you should check before closure?

Answer 9

• check paravertebral gutters for hemorrhage
• use mesoduodenum and mesocolon
• sponge count
• radiopaque sponges

Question 10

Stop! There! you dropped a pedicle, what should you do?

Answer 10

extend incision if necessary to gain adequate visualization
- use mesocolon or mesoduodenum as retractor
- find a kidney
- don’t grab blindly

Question 11

rough guidelines for suture used in closure

Answer 11

under 10lbs, 3-0 PDS
10 to 40/50lbs, 2-0 PDS
50+ lbs, 0 PDS

Question 12

subcutaneous closure

Answer 12

• little strength
• smaller absorbable suture
• ablate dead space, prevent seroma

Question 13

intradermal closure

Answer 13

• skin apposition
• smaller absorbable suture
• buried knots

Question 14

skin closure

Answer 14

• sutures tie loose to allow for swelling
• approx 10 day removal in canine and 14 day removal in cats

Question 15

post- op complication of OVH

Answer 15

hemorrhage
incisional
uterine ligation

Question 16

pyometra

Answer 16

• make your incision much larger -> cranial past umbilicus and caudal to near pubis
• be careful with linea stab incision
• ovarian pedicles and uterine body are more friable
• pack off abdomen well with moistened lap sponges
• uterine oversew not recommended
  copious lavage with warm saline

Question 17

C-section

Answer 17

delivery rapidly, isolate the uterus and incise the horn close to the body gently milking each fetus to incision.
- open the amniotic sac, clamp umbilicus and cut
- hand off neonates for resuscitation +/- narcotic reversal
- gently remove placentas
- close uterus with 3-0 or 4-0 monofilament absorbable in continuous apposition pattern or double inverting
- lavage abdomen with warm water