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pt management 3 > intro to amp > Flashcards

intro to amp Flashcards

1
Q

are UE amp regular

A

no they make up a very small percentage

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2
Q

percent of above the knee amp

A

31%

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3
Q

percent of below the knee amp

A

47%

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4
Q

what two locations make up the greatest precentage of amp

A

above and below the knee

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5
Q

how do we decide where to amp

A

blood flow

extent of tissue necrosis

lines of demaration - gangrene

location of the tumor, cog deformity

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6
Q

in the UE do we expect the circulation to be impaired

A

no this is rare

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7
Q

why do we need to know about blood flow with amp location

A

there has to be enough blood flow to allow the are to heal

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8
Q

what is the line of demarcation in gangrene

A

the line the seperates healthy tissue and necrosis tissue

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9
Q

what are signs that we look for when we are deciding where to amp

A

palpable pulse in the major art above the amp site

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10
Q

above the knee pulse

A

femoral

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11
Q

belwo the knee pulse

A

popliteal

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12
Q

what does lisfranc mean

A

a collection of the bone and the ligament in the midfoot region

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13
Q

what is a lisfranc disarticulation/dislocations

A

a spectrum of injuries involving the tarsometatarsal joints of the foot.

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14
Q

lisfranc amp advantages

A

still are keeping the remainder of your foot, heel

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15
Q

lisfranc amp disadvantages

A

you are walking on parts of the foot that you are not supposed be walking on

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16
Q

what is a syme amp

A

ankle disarticulation - moves the calcaneus

remove of malleio

and anchoring heel pad to weight bearing surface

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17
Q

what is the LE amp of choice

A

trans tibial - having a knee is very beneficial

The outcomes for transfemoral are much worse then transtibial

18
Q

why is the trans tibial the LE amp of choice

A

better able to tolerated post op fitting of. prothesis or ridgid dressing

19
Q

what is the advantage of the long posterior flap tech

A

allows for better circulation, healing, fitting of pro

20
Q

how does the length of the residual limb effect outcomes

A

affects mobility

21
Q

short trans tibial outcomes

A

small moment arm and hard knee ext

22
Q

standard trans tibial outcomes

A

biomech sufficient moment arm

23
Q

long trans tibial outcomes

A

less padding

and potentially less blood supply

24
Q

what is the mortality rate for trans tibial surgery

A

9.5%

25
Q

posterior flap trans tibial fibula and tibia length

A

the fibular a is a little shorter then the tibia

26
Q

posterior flap trans tibial front of the tibia

A

the front is beveled

27
Q

posterior flap trans tibial - what is used as padding

A

long skin and muscle flap

gastroc

28
Q

posterior flap trans tibial - where is the scar located

A

on the anterior border - there is less weight bearing in this location

29
Q

what is the most popular type of trnas tib amp now adays

A

posterior flap

before there was a lot of weight bearing directly onto the bone

30
Q

complications withe posterior flap tib amp, or just amp in general

A

delayed healing

infections

dehiscence

poor contour of the resisdual limb - dog ear or bulbous

neuroma

phantom pain

joint contracture

31
Q

what does dehiscence mean

A

the splitting of the wound

32
Q

what does Dog ears mean in terms of amp

A

characteristic puckering of the skin that can occur after surgical wound closure

they are preventable

33
Q

what is a neuroma

A

benign tumor of nerve tissue that is often associated with pain or specific types of various other symptoms

34
Q

what type of amp is performed more - trans tib or femoral

A

trans tib is performed more

35
Q

what are some major indications for transfemoral

A

vascular disease

trauma

tumors

36
Q

who has better functional outcome tib or femoral

A

tib

37
Q

who has worst survival rate - tib or femoral

A

femoral (looking years after the surgery)

38
Q

what posterior muscle is brought around to the front in femoral

A

adductor Magnus and attached to the lateral distal aspect

quad and hamstrings are sutured together

39
Q

what does adductor myodesis prevent

A

the lateral movement of the femur

40
Q

what is a lisfranc new term

A

partal foot

41
Q

what is syme new term

A

ankle disarticulation

pt management 3 (10 decks)

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