6 - Feline OHE & Orchiectomy

Question 1

What ligation is used in a feline orchiectomy?

Answer 1

Auto-ligation with pedicle tie

Question 2

What general technique is used in a feline orchiectomy?

Answer 2

overhand tie

Question 3

What instrument is used to perform a feline orchiectomy?

Answer 3

Halsted mosquito hemostat

Question 4

What does an ovariohysterectomy mean?

Answer 4

Removal of the ovaries and the uterus

Question 5

In an OHE, the surgeon most commonly stands on the _____ side of the patient.

Answer 5

right

Question 6

What are the general steps to an OHE?

Answer 6

1. Locate one of the uterine horns
2. Break down suspensory ligament to exteriorize the ovary
3. Clamp proper ligament to keep traction on it
4. Clamp ovarian vessels with Rochester carmalts proximal to the ovary
5. Ligate and cut ovarian blood vessels within ovarian pedicle
6. Ligate and resect uterine body and blood vessels just above the cervix

Question 7

What is the approach to beginning a feline OHE?

Answer 7

1. Ventral midline
2. Divide abdomen into 3rds from umbilicus to pubis
3. Incision centered on middle 3rd of caudal abdomen

Question 8

What size blade should be used for the initial incision and for what layers?

Answer 8

10 - skin and into the SQ

Question 9

What should Metzenbaum scissors be used for when entering the abdomen?

Answer 9

Pushing SQ tissue off the body wall

Question 10

How should the linea alba be opened?

Answer 10

Tent up and make a stab incision (blade facing up), extend the incision carefully

Question 11

What suture should be used to ligate the ovarian pedicle?

Answer 11

PDS 2-0 or 3-0

Question 12

What two ligatures should be used on the ovarian pedicle?

Answer 12

1. Miller’s Knot (closest to body) in crushed area of 1st forceps
2. Transfixation or encircling ligature in crushed area of 2nd forceps

Question 13

Where do you cut to transect the ovarian pedicle and what is used to do this?

Answer 13

Cut between 2nd carmalt and the ovary;

Use Metzenbaums or scalpel blade

Question 14

What should you do before you let go of the pedicle?

Answer 14

Hold with thumb forceps and evaluate hemostasis

Question 15

After the ovary has been transected, what is done with the broad ligament?

Answer 15

It is torn to the uterine bifurcation

Question 16

What suture is used to ligate the uterine body?

Answer 16

PDS 2-0 or 3-0

Question 17

What ligatures are used in the uterine body?

Answer 17

1. Miller’s knot - proximally (closest to abdomen)
2. Transfixation - closest to the bifurcation

Question 18

What should you do before letting go of the uterine pedicle?

Answer 18

Hold with thumb forceps and evaluate hemostasis

Question 19

What suture should be used to close the linea alba?

Answer 19

PDS/Monodox (Polydiaxanone) 3-0 or 2-0

Question 20

What pattern should be used to close the linea alba?

Answer 20

Simple continuous

Question 21

Where should suturing of the linea alba begin and end?

Answer 21

Begin and end past the apex of the incision

Question 22

How many throws should be done on each knot for linea alba closure?

Answer 22

6

Question 23

T/F: Knots on the linea alba should not be buried.

Answer 23

True

Question 24

What suture should be used to close the SQ?

Answer 24

Monocryl/monoswift (Poliglecaprone 25) 3-0 or 2-0

Question 25

What pattern should be used on the SQ?

Answer 25

Simple continuous

Question 26

How many throws should be done on each knot in the SQ?

Answer 26

6

Question 27

T/F: You should never bury the knot in a SQ closure.

Answer 27

False - can bury to make the intradermal closure easier

Question 28

What suture should be used to close the skin and what pattern?

Answer 28

Same suture as SQ;

Intradermal pattern

Question 29

T/F: Knots for skin closure in an intradermal should be buried

Answer 29

True