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Equine > diseases of tendons, ligs, digital sheath > Flashcards

diseases of tendons, ligs, digital sheath Flashcards

1
Q

tendon composition

A

tenocytes btw collagen fibres
matrix - water, collagen, non collagenous proteins

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2
Q

tendon compostion

A

tenocytes btw collagen fibres
matrix - water, collagen, non collagenous proteins

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3
Q

why is water fundamental

A

maintaining elasticity

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4
Q

blood supply of tendons

A

paratenon
mesotenon
musculotendonous junction
insertion site

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5
Q

normal strain at walk

A

2-4%

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6
Q

normal strain at trot

A

4-6%

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7
Q

normal strain at gallop

A

up to 16%

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8
Q

strain induced predilection sites

A

racing thoroughbred - SDFT in LF
elite- show jumpers - FL SDFT and DDFT injuries
elite eventers - FL SDFT injuries
dressage horses - HL suspensory lig injuries

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9
Q

trauma injury of ddft
signs and healing

A

toe flips up
healing good if injury is in MC/MT and not near the sheath insertion or in the sheath

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10
Q

trauma injury of sdft

A

cast
good prognosis

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11
Q

trauma injury of suspensory lig

A

fetlock drops
prox sesamoid bone drops
bad prognosis

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12
Q

non traumatic tendon injuries

A

tendintits/ tendinopathy
desmitis/ desmopthy

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13
Q

phases of non traumatic tendon and lig injuries

A

intratendinous haemorrhage
inflammatory reaction
reparative phase
remodelling phase
no regeneration

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14
Q

sdft region affected

A

mid metacarpal region
racehorses & jumpers
or in pastern region due to trauma & overreach

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15
Q

treatment of acute sdft injury

A

minimilise inflammation and proteolytic enymes
give steroids systemically
dont US too quickly

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16
Q

steroids and tendons

A

give systemically
into tendo = mineralization
intralesion = calcification

17
Q

treatment of subacute sdft injury

A

fibroplastic
uc monitoring
regenerative therapies e.g. mesenchymal stem cell and protein rich plasma

18
Q

treatment of chronic sdft injury

A

remodelling
us monitoring
controlled exercise
takes time - 6-12months

19
Q

ddft location of injuries

A

metacarpal region - within sheath
pastern - down to insertion
poor prognosis
can have adhesion
limited healing ability

20
Q

treatment of ddft injuries

A

mesenchymal stem cell therapy

21
Q

indications of ddft MRI

A

if lameness cant be explained by diagnostic imaging

22
Q

forelimb proximal suspensory desmitis

A

pain on plapation - on bone
difficult to palpate most proximal part
more lame on outside of circle

23
Q

acute forelimb prox sus desmitis

A

reasonable prognosis
return to exercise in 3-4months
controlled exercise

24
Q

chronic forelimb prox sus desmitis

A

guarded prognosis

25
Q

hindlimb proximal suspensory desmopathy

A

no localising signs
lamer on outside of circle
often bilateral
degenerative
straight hock predisposes

26
Q

treatment of HL prox sus demopthy

A

plantar neurectomy
fasciotomy

27
Q

accessory lig of ddft
which limb

A

more common in forelimb
painful on palpation

28
Q

acute cases of accessory lig of ddft

A

rest
cooling
intalesional treatment
regenerative laser
shockwave

29
Q

chronic cases of acc lig of ddft

A

non responsive
desmotomy

30
Q

hygroma

A

acquired injury to bursa
due to trauma
no pain, no communication
no lameness

31
Q

calcaneal bursa

A

intertendinous or subtendinous
capped hock

32
Q

navicular bursa

A

need mri to diagnose
podotrochlear apparatus

33
Q

where does dfts begin and end

A

from distal 1/3 of MC/MT to hoof

34
Q

function of sheath

A

surrounds spf and deep dig flexor tendons

35
Q

whats dfts associated with

A

annular ligament
manica flexoria

36
Q

primary tenosynovitis

A

low grade trauma
infectious
hyperextension

37
Q

secondary tenosynovitis

A

ddf tendonitis
damage to manica flexoria and synovial layers
tearing of vincula
PAL injury

38
Q

distension of dfts

A

palmar annular lig syndrome – trauma or fetlock over extension
chronic inflammation — adhesions, fibrosis
perpetating condition — inflammation, pressure, stenosis

Equine (25 decks)

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