Bovine Esophageal, Rumenotoy, Pericarditis Flashcards

(53 cards)

1
Q

Clinical Signs of Esophageal Choke:

1.
2.
3.
4.
5.
A
  1. Bloat
  2. Salivation
  3. Coughing/retching
  4. Extended head and neck
  5. Protruding tongue
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2
Q

Two main DDx for Esophageal Choke?

A

Pharyngeal trauma, RABIES

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3
Q

3 Main complications of Esophageal Choke:

1.
2.
3.

A
  1. Unable to eructate = bloat
  2. Loss of saliva = metabolic acidosis
  3. Aspiration pneumonia
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4
Q

Esophageal Choke: Tx:

Medical:
1. ___ retrevial.

  1. Use ___ to retrieve
  2. Push….

4.

A
  1. manual (if proximal esophagus)
  2. wire snare
  3. into rumen with stomach tube
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5
Q

Main surgery to treat esophageal choke?

When should you consider it?

A

Esophagotomy

If medical tx options have all been exhausted, because it is a sx with many complications

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6
Q

2 main things you should be doing during initial treatment of choke?

A

Decompress rumen and hold off feed and water

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7
Q

Layers of the esopagus:

1.
2.
3.
4.

A
  1. Adventitial layer
  2. Muscular layer
  3. Submucosa
  4. Mucosa
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8
Q

Structures that are anatomically closely associated with the esophagus in Bovines:

1.
2.
3.
4.
5.
A
  1. recurrent laryngeal nerve
  2. Carotid sheath
  3. Vagosympathetic trunk
  4. Tracheal lymphatic trunk
  5. Deep cervical lymph node
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9
Q

Esophageal Surgery is an (simple/complex) sx. Why?

A

Complex.

no serosal layer, constant movement, proximity of laryngeal n, required constant suture line technique, it’s dirty.

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10
Q

Describe the steps of a cervical esophagotomy up to removal of FB

A

Pass tube to obstruction,

exteriorize and isolate affected region of esophagus

Linear incision into esophagus over healthy tissue (if possible)

Remove FB

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11
Q

Closure of cervical esophagotomy:

If healthy tissue?

If compromised tissue?

May need to place…..

A

Close normally

Leave to heal by 2nd intention

rumen fistula

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12
Q

Cervical esophagotomy with 1° Repair:

Performed with animal in what position?

A

standing sedation

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13
Q

Cervical esophagotomy with 1° Repair:

Surgical approach?

A

Lateral/ventrolateral

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14
Q

Cervical esophagotomy with 1° Repair:

Upon incision, seperates into how many layers? What are those layers?

A

2 layers, the muscular layer and mucosa/submucosal layer

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15
Q

Cervical esophagotomy with 1° Repair:

Closure technique?

A

PDS to close, bury knots in lumen. Use mucosa/submucosa for tensile strength

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16
Q

Cervical esophagotomy with 1° Repair:

Post-op complications common d/t…

A

Lack of serosal layer

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17
Q

Cervical esophagotomy with 1° Repair:

Ventral aproach to do what two things:
1
2

A
  1. Blunt dissection of left side of trachea to ID esophagus

2. Retract trachea to the right.

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18
Q

Cervical esophagotomy with 1° Repair:

Ventrolateral approach is used for……

A

feeding tube placement

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19
Q

Cervical esophagotomy with 1° Repair:

Incision site?

A

ventral to jugular v

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20
Q

Cervical esophagotomy with 1° Repair:

Seperate what two muscles at incision site?

A

Sternocephalicus and brachiocephalicus

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21
Q

Cervical esophagotomy with 1° Repair:

Where do you incise esophagus?

A

over or caudal to FB

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22
Q

Cervical esophagotomy with 1° Repair:

Closure technique?

A

Close mucosa/submucosa with knots buried in lumen. Than close muscular layer

23
Q

Cervical esophagotomy with 1° Repair:

Post-op care?

A

Active drain for 48 hours

No food for 48 hours.

Abx

IV fluids w/electrolytes

24
Q

Esophagostomy

Performed when?

A

If tissue is compromised

25
Esophagostomy performed (cranial/caudal) to repaired esophagus?
Caudal to
26
Esophagostomy Tube you place inside?
Polyethylene NG tube
27
Esophagostomy Leave polyethylene tube in place for how long? What is the goal of leaving it in there that long?
7-10 days to allow stroma formation
28
Esophagostomy Closure method?
Heal by second intention
29
Temporary Rumen Fistula: Function?
Immediate relief of chronic bloat
30
2 benefits of Temporary Rumen Fistula: 1 2
1. Direct feeding into rumen | 2. Reversible
31
Temporary Rumen Fistula: Location?
Upper left paralumbar fossa
32
Temporary Rumen Fistula: (do/do not) use sharp dissection
Do not.
33
Temporary Rumen Fistula: Placement technique:
Grasp and tent rumen wall Suture rumen to skin in mattress pattern. Incise with 1 inch of rumen sticking out of skin Secure 35 mL syring casing
34
Rumenotomy: Indications: 1. 2. 3. 4.
1. Chronic bloat 2. Foreign body 3. Reticular abscess 4. Type II vagal indigestion
35
Type II vagal distension: Due to failure of.
omasal transport
36
Type II vagal indigestion: results in....
distension of reticulum/rumen
37
Rumenotomy: Off feed how long beforehand?
24-36 hours
38
Rumenotomy: Approach?
Left flank.
39
Rumenotomy: T/F: considered a "dirty" procedure
F, a clean-contaminated procedure
40
Rumenotomy: Suture pattern? What are you suturing together? Start from (ventral/dorsal) aspect?
Cushing to suture rumen to skin. dorsal.
41
Rumenotomy: Describe a rumen board set-up.
Non-crushing rumen forceps hooked across a board.
42
Rumenotomy: What is the benefit of a rumen board?
Allows exteriorization of the rumen.
43
Rumenotomy: | Closure method?
2 layer inverting closure, being sure to lavage the site.
44
Rumenotomy: What should you do after completing closure of the 2 layer inverting pattern?
Change gloves/sleeves/instruments prior to body wall closure
45
During Rumenotomy, what is the function of Kingman tube?
siphon fluid from the rumen
46
Rumenotomy: Prognosis dependent on _____
Reason for procedure.
47
Prognosis of Rumenotomy to remove FB is good if...
if FB doesnt penetrate thoracic cavity OR involve right side of reticulum
48
Prognosis of Rumenotomy to remove FB is guarded if...
involvement of right side of reticulum
49
Prognosis of Rumenotomy to remove FB is poor if...
FB penetrated diaphragm
50
``` Clinical signs of Traumatic reticulopreicarditis 1 a) b) c) ``` 2. 3.
1. CxS of right sided heart failure a) Distended jugular v b) brisket edema c) tachypnea 2. Tachycardia with muffled heart sounds 3. CxS of GI disease a week prior
51
Clinical signs of right-sided heart failure that you will see in a traumatic reticulopericarditis case? 1 2 3
1. Distended jugular v 2. Brisket edema 3. Tachypnea
52
Three ways to diagnose traumatic reticulopericarditis 1 2 3
1. rads 2. U/s 3. Pericardiocentesis
53
3 treatment options for Traumatic Pericarditis 1. 2. 3. 4.
1. Salvage 2. Antibiotics 3. Pericardial lavage 4. Pericardectomy