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RUSVM Large Animal Medicine I 2017 > Laminitis > Flashcards

Laminitis Flashcards

1
Q

Laminitis

A

inflammation of the lamellae of the inner hoof capsule

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2
Q

What are the Risk factors for laminitis?

A 
Endotoxemia/Sepsis or SIRS
Endocrinopathies
Trauma: "road founder"
Drug induce
Toxin induce
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3
Q

Reperfusion injury

A

Post vasoconstriction phase and the return of circulation after hypoxic event

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4
Q

What diseases can cause Laminitis?

A

Hyperinsulinemia

Trauma

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5
Q

What are the Biomechanical forces of the hoof?

A 
Weight of the horse
Ground countered force
DDFT (tensile) force
Lamina
Extensor Tendon
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6
Q

Obel grade 1

A

shift weight from one foot to the other, but will move relatively freely

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7
Q

Obel grade 2

A

lameness is more obvious, when turning, stilted gait and shuffling

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8
Q

Obel grade 3

A

reluctant to move and resists any attempt to lift a foot because of the pain this will induce in the contralateral foot

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9
Q

Obel grade 4

A

most severe grade, immobile and often recumbent

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10
Q

What is the measurement from the navicular bone to the hoof?

A

12mm

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11
Q

If the CE is more than 12mm what is the diagnosis?

A

Laminitis

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12
Q

What is the measurement of the HWL?

A

18mm

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13
Q

What is the diagnosis if the HML is more than 18mm?

A

Acute Laminitis

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14
Q

What is the appropriate Sole depth?

A

10mm

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15
Q

What is the treatment for the Developmental phase of Laminitis?

A

Treat primary cause

Cryotherapy

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16
Q

What is the treatment for Acute Laminitis?

A 
NSAIDs
Pain management 
DMSO
Pentoxifylline
Atropine
17
Q

What are the treatment options at the hoof level?

A 
Decreasing the tnesion of the DDFT on the coffin bone
Unloading the laminar interface
Reducing inflammation
Easing break-over
Protecting sensitive tissue
18
Q

What does the Prognosis for Laminitis depend on?

A 
Amount of Lamellar damage
Hoof conformation
Duration 
Coronary band damage
Vascular damage
19
Q

Chronic compensated Laminitis

A

the coffin bone has displaced and stabilized to some degree

Hoof growth is often slow or distorted

20
Q

Chronic uncompensated Laminitis

A

The coffin bone continues to displace

usually suffering from severe pain

RUSVM Large Animal Medicine I 2017 (5 decks)

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