ARTHRODESIS FOR STAGE 2/3 FLATFOOT

Question 1

TYPES?

Answer 1

SUBTALAR
TALONAVICULAR
CALCANEOCUBOID
TRIPLE

Question 1

TYPES?

Answer 1

SUBTALAR
TALONAVICULAR
CALCANEOCUBOID
TRIPLE

Question 2

considerations for arthrodesis?

Answer 2

joint prep
joint position
joint fusion

Question 3

indications?

Answer 3

symptomatic hind foot
stj instability
coalitions
PTTD
end stage DJD

Question 4

goals?

Answer 4

eliminate pain
deformity correction
improve function
improve stability

Question 5

contraindications?

Answer 5

adjacent joint arthrosis or deformity

infection

noncompliance

smoker

Question 6

what is especially considered in clinical eval?

Answer 6

assess hind foot flexibility
gait eval 
rule out more proximal joint involvement 
assess midtardal joint quality 
eval amount and type of equinus

Question 7

radiographic eval considerations from AP foot?

Answer 7

talar coveage
talar 1st metatarsal angle
cuboid abduction angle
talar calcañal angle

Question 8

lat foot eval considerations?

Answer 8

talar 1st met angle
talar declination
calcaneal inclination
cyma line
naviculocuneiform breach

Question 9

radiographic eval considerations in the axial view

Answer 9

relative position of heel to tibia

Question 10

benefits of ankle films?

Answer 10

rule out ankle defomrity

Question 11

8-9 percent of stj motion remains, this is known as poor mans triple arthrodesis?

Answer 11

after tnj fusion

Question 12

incision for subtalar arthrodesis?

Answer 12

from tip of fib down to cc joint

Question 13

structures at risk for subtalar arthrodesis?

Answer 13

intermediate dorsal cutaneous n and peroneal tendons

Question 14

what needs to be released in a subtalar arthrodesis?

removed?

Answer 14

posterior STJ capsule with crego elevator

remove hokes tonsil and interosseous TC ligament, distracts STJ, prepare joint

Question 15

anterior talar displacement In subtalar arthrodesis does what to STJ?

Answer 15

pronates STJ

Question 16

when it comes to hind foot arthrodesis, this fusion has the highest rate of delayed union or non union?

Answer 16

talonavicular arthrodesis

-fixation with screws, staples, and plates

Question 17

what needs to be considered in a CC arthrodesis?

Answer 17

peroneal tendons