lecture 17 - esophageal surgery (anderson)

Question 1

(esophageal blood supply)

1. cervical
2. thoracic
3. terminal

Answer 1

1. thyroid a. and carotid braches
2. bronchoesophageal a.
3. esophageal branches of aorta and left gastric a.

Question 2

(4 sites of FB + cause)

1-4

Answer 2

1. cervical (cricopharyngeal sphincter)
2. thoracic inlet (not narrow - soft tissue impede)
3. base of heart (bronchoaortic constriction)
4. diaphragm (hiatus - most common bone spot)

Question 3

(Sx approach to esphagus)

1-4. location + approach

Answer 3

1. cervical: ventral midline
2. thoracic inlet (cranial to 3rd rib): ventral midline (go through 1st 2-3 sternebrae)
3. caudal to 3rd rib: R 4-5 intercostal thoracotomy
4. caudal to heart: R or L 10-11 intercostal thoracotomy

Question 4

(suture)

1. what kind?

Answer 4

1. monofilament (PDS, maxon), slow absorb (time to heal), 3-0 or 4-0 (small)

Question 5

(Reinforcing techniques)

name them

Answer 5

1. omental pedicle graft
2. pericardium (wrap or suture)
3. muscles

cervical - sternohyoid

thorax - intercostal

caudal - diaphragm

Question 6

What approach for PRAA Sx?

Answer 6

1. left 4th thoracotomy (5 in cats)

Question 7

1. what indicates worse prog for PRAA?

Answer 7

1. dilation caudal to heart

Question 8

nasoesophageal tubes - premeasure to where?

Answer 8

8th rib