Forefoot Arthrodesis Flashcards
a digital arthrodesis is especially good for what etiology of digital deformity?
extensor substitution
what are the indications for hallux IPJ arthrodesis?
- neuromuscular disease
- cavus foot
- traumatic arthritis
- iatrogenic deformities
- hallux hammertoes
What are the indications for a 1st MPJ arthrodesis?
- HAV: neuromuscular
- hallux limitus/rigidus
- failed bunion procedures
- failed Keller or implant
- hallux varus
- arthritis
what are contraindications to 1st MPJ arthrodesis?
- IPJ arthritis or limitation of motion
- osteoporosis
- patient expecations
When you are performing a 1st MPJ arthrodesis, how should you position the 1st MPJ?
15 deg of dorsiflexion (tip of hallux should be elevated 5-10 mm from WB surface)
15 deg of abduction
0 deg of frontal plane motion
what are the indications for a 1st met-cuneiform arthrodesis?
- juvenile HAV
- OA and arthritis
- severe HAV with IMA>15 deg
- medial column instabiilty
- ligamentous laxity
what is the post-op instruction for 1st met cuneiform arthrodesis?
NWB short leg cast for 6-8 wks bc it is a more proximal procedure
what are the indications for Lisfranc’s joint arthrodesis?
- posttraumatic arthritis**
- DJD
- charcot OA
- pes cavus
- metatarsus adductus
what is the medial component that is fused in a Lisfranc’s arthrodesis?
1st met cuneiform joint
what is the middle component that is fused in a Lisfranc’s arthrodesis?
2nd and 3rd met cueniform joint
what is the lateral component that is fused in a Lisfranc’s arthrodesis?
4th and 5th met cuboid joints
what is the post-op management for Lisfranc’s joint arthrodesis?
NWB for 6-8 wks
