Gastro Intestinal Surgery- Esophagus- Exam 1 Flashcards

1
Q

What are indications for surgery fo the esophagus?

A

Foreign bodies #1 tumors hiatal hernia Perforation

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2
Q

Regurgitation

A

Passive expulsion from esophagus

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3
Q

Vomiting

A

Centrally mediated reflux Forceful expulsion from stomach or duodenum

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4
Q

esophagotomy definition

A

incision into the esophageal lumen

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5
Q

Esophagectomy

A

Partial resection fo the esophagus

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6
Q

Esophagopexy

A

Suturing the esophagus to another structure

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7
Q

Esophageal patching

A

reinforce defect with muscle or other tissue

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8
Q

Esophageal substitiution

A

Replace esophagus with other tissue (skin tube or intestine)

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9
Q

What are the esophageal layers

A

1) Mucosa - linear mucosal striations -distal portion circular folds- herringbone pattern 2) Submucosa - holding strength layer 3) Muscularis - includes segmental blood supply 4) Adventitia - no serosa- does not heal as well

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10
Q

What are factors that challenge the healing process of esophageal surgery?

A

segmental blood supply Lack of serosa and no omentum constant motion and bolus distention Intolerance of longitudinal stretching/tension Passage of food and saliva

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11
Q

How many closure layers do you need for an esophagotomy?

A

one or 2 layer closure monofilamnet slowly absorbable 2 layer if possible - keep the knots in the lumen if possible.

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12
Q

What is the maximum amount of resection that can occur in the esophagus?

A

3-5 cm

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13
Q

What are complication of Esophageal surgery

A

Leakage- failure to recognize devitalized tissues Stricture formation Fistula formation

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14
Q

What is a non-surgical esophageal condition

A

Congenital/acquired megaesophagus

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15
Q

Hiatal Hernias of the stomach are most common in what breeds of dogs

A

Brachycephalic breeds

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16
Q

Treatment for a hiatal hernia

A

Medical, low fat diet, elevated feeding Prognosis: Fair/Good

17
Q

What breeds have gastroesophageal intussusceptions most commonly

A

Young, Large breed: German Shepherd

18
Q

What is achalasia

A

This is the failure of the cricopharyngeus muscle to completely relax or option

19
Q

Dyssynchrony in cricopharyngeal dysphagia

A

Inappropriate bolus presentation to the upper esophageal sphincter

20
Q

What are indications for an esophageal feeding tube?

A

Oropharyngeal disease/trauma long term feeding

21
Q

What are suture patterns utilized in tieing in an esophageal feeding tube

A
22
Q
A
23
Q
A