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122 Cards in this Set
- Front
- Back
In what type of bunion are orthotics useful?
|
Bunion with a flat-foot
|
|
Normal Intermetatarsal angle
|
9 or less degrees
|
|
Normal Hallux Valgus angle
|
Less than 15 degrees
|
|
Normal Distal metatarsal articular angle
|
Less than 15 degrees; angle between articular surface and line perpendicular to shaft
|
|
Distal metatarsal articular angle in congruent bunions are > or < 15 degrees?
|
Typically >15 degrees
|
|
Congruent bunion with high distal metatarsal articular angle osteotomy?
|
biplanar Chevron
|
|
Aitken osteotomy for what
|
Hallux valgus interphalangeus
|
|
Osteotomy for large inter-metatarsal angle (>15 deg)
|
Proximal osteotomy
|
|
Hypermobile first MT-cuneiform joint and bunion
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Do first MT-cuneiform joint arthrodesis (called Lapidus)
|
|
What is Lapidus procedure
|
Fusion first MT-cuneiform joint
|
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Degenerative bunion treatment
|
fusion MTP joint- no implant arthroplasty or Keller resection arthroplasty; position in 15-20 degrees extension
|
|
Keller resection arthroplasty problem
|
transfer metatarsalgia; cock up deformity;
|
|
Low intermetatarsal angle and high hallux valgus angle- procedure to do?
|
Distal (Chevron plus lateral release)
|
|
If patient has hallux varus complication- what to do surgically?
|
tendon transfer to lateral ligamentous area.
|
|
Hallux rigidus: treatment
|
mild arthritis w/ preserved joint space = non-operative (Morton’s splint); osteophytes and mild joint space narrowing = cheilectomy; osteophytes with severe joint space narrowing = MTP fusion
|
|
How much cheilectomy can be performed in hallux rigidus?
|
up to 30% of articular surface
|
|
Describe Hammertoe
|
Extension MTP, Flexion PIP, Extension DIP
|
|
Describe clawtoe
|
Extension MTP, Flexion PIP, Flexion DIP
|
|
Describe Mallet toe
|
Flexion DIP (no problem with MTP or PIP)
|
|
Weil osteotomy
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2nd metatarsal shortening osteotomy; Index minus forefoot (second metatarsal too long so get transfer metatarsalgia);
|
|
Diagnosis of sesamoid disorders
|
MRI; bone scan non-specific
|
|
Treatment of fracture of sesamoid
|
cast 6 weeks NWB; these are at high risk of nonunion.
|
|
Complication of lateral sesamoidectomy
|
Hallux Varus (avoid with repair of flexor hallucis brevis); also lateral plantar nerve is at risk
|
|
Morton’s neuroma
|
between 2nd and 3rd metatarsals “patient feels like they’re walking on marble”
|
|
Recurrent resection Morton’s Neuroma
|
Long plantar inter-metatarsal approach proximal of MT heads
|
|
Issue with proximal osteotomy 5th MT for bunionette?
|
High risk of non-union; if high inter-metatarsal angle, do mid-shaft osteotomy
|
|
What kind of screw for Jones fracture?
|
SOLID (non-canulated), biggest you can fit down 5th MT canal
|
|
Indications for ORIF Jones Fx
|
cavus foot; re-fracture; non-union; high level athlete
|
|
Where are strongest ligaments in midfoot
|
Plantar: Transverse, oblique, and longitudinal (Strongest is 2nd oblique ligament)
|
|
Where is LisFranc ligament?
|
plantar from medial cuneiform to 2nd MT base
|
|
Midfoot arthritis orthotic
|
soft ‘plastizote’ insert that can accomodate their rigid deformity; sole of shoe may be stiff
|
|
Accessory Navicular
|
usually shoe irritation issues; Type 1-3 based on size and symptomatology; get external oblique x-ray; Tx: modified shoe; excise and advance tib post if refractory
|
|
Navicular stress fracture
|
central 1/3 is vascular watershed; Tx: either NWB w/ cast if undisplaced or cannulated screws
|
|
Appropriate placement of screws for navicular stress fracture
|
place screws dorso-lateral to plantar-medial, two 4.0 mm cannulated screws
|
|
Exam test for adolescent with painful flatfoot
|
assess for stability by toe raise- if foot doesn’t correct into varus, suspect coalition
|
|
Best x-ray for seeing medial facet talo-calcaneal coalition?
|
Harris axial view
|
|
Treatment tarsal coalition
|
Symptomatic and < 14 years: resection and interposition grafting and wax; if older patient and >50% total articular surface area, then fuse
|
|
Tarsal tunnel syndrome
|
Entrapment of posterior tibial nerve; borders: medial maleolus, sustentaculum tali; covered by flexor retinaculum in this area; burning behind medial mal; + tinel’s sign
|
|
Adult acquired flatfoot
|
posterior tendon insufficiency and failure of Spring Ligament (joins calcaneus to navicular (sling holding up talus)
|
|
Importance of spring ligament
|
Even with insufficient tin post tendon, no flatfoot until spring ligament stretches out (sling under talus; runs from calcaneus to navicular)
|
|
Orthotic for flexible flatfoot
|
early: medial heel and sole wedge; late: UCBL which cups the heel and brings heel out of valgus
|
|
Stage II tib post insufficiency
|
flexible flat-foot; cannot do single-leg heel rise; Tx: tendon and bony work = FDL to tin post transfer and medial displacement calcaneal osteotomy (if medial pain only) Add lateral column lengthening if lateral pain
|
|
Stage III tib post insufficiency
|
rigid flatfoot not passively correctible; requiring triple arthrodesis
|
|
State I tib post insufficiency
|
tendonitis; Tx: physical therapy; tenosynovectomy only if no deformity
|
|
Tib post insufficiency and heel-cord tightness
|
most of tib post patients have gastrocnemius tightness and corrective surgeries should be combined with Strayer Gastroc recession
|
|
Cavus foot: deformity
|
Varus hindfoot, varus midfoot, pronated forefoot
|
|
Coleman block test
|
in cavo-varus foot; trying to determine if varus hindfoot is due to plantar-flexed first ray; unload plantarflexed 1st MT and see if varus deformity corrects; if this is true, you have “forefoot driven cavus deformity”
|
|
Treatment for “forefoot driven cavus deformity”:
|
first metatarsal extension osteotomy with plantar fascial release; This is for correctable hindfoot on coleman block test; also can transfer peroneus longus to brevis to decrease flexion force on 1st metatarsal
|
|
If no correction of hindfoot varus on coleman block test?
|
must combine extension osteotomy 1st metatarsal with valgus osteotomy of calcaneus
|
|
Plantar Fasciitis
|
non-op treatment; Night splints 1st line of treatment; Operative Tx: release 1/4 of medial slip of plantar fascia; more creates flatfoot
|
|
Physical exam for calcaneal stress fracture:
|
Heel squeeze from medial and lateral; this diagnosis is in dDx of plantar fasciitis
|
|
Achilles tendon watershed area
|
2-6mm proximal of calcaneal insertion; prone to degenerative tendinopathy and secondary rupture
|
|
Techniques to fill void if segmental loss achilles
|
FHL (required if you debride more than 50% breadth achilles); V-Y advancement; gastroc turndown
|
|
Talus OCD: Tx
|
drill first; OATS only if drilling fails
|
|
Ankle arthrodesis position
|
5-10 degrees ER; 0-5 deg dorsiflexion; 5-10 deg valgus
|
|
Semmes-Weinstein monofilament size & importance
|
5.07; protective sensation
|
|
Diabetic ulcers of which part of the foot have the worst prognosis?
|
heel- most difficult to heal
|
|
Treatment of non-infected recalcitrant ulcer
|
total contact cast
|
|
Achilles lengthening and forefoot ulcer
|
if patient often develops forefoot ulcers, heel cord lengthening can help by taking pressure off forefoot
|
|
Length of immobilization for diabetics with ankle fracture?
|
2-3 x normal (12+ months)
|
|
When does braking reaction time return after ORIF ankle fracture?
|
9 weeks
|
|
In what type of bunion are orthotics useful?
|
Bunion with a flat-foot
|
|
Normal Intermetatarsal angle
|
9 or less degrees
|
|
Normal Hallux Valgus angle
|
Less than 15 degrees
|
|
Normal Distal metatarsal articular angle
|
Less than 15 degrees; angle between articular surface and line perpendicular to shaft
|
|
Distal metatarsal articular angle in congruent bunions are > or < 15 degrees?
|
Typically >15 degrees
|
|
Congruent bunion with high distal metatarsal articular angle osteotomy?
|
biplanar Chevron
|
|
Aitken osteotomy for what
|
Hallux valgus interphalangeus
|
|
Osteotomy for large inter-metatarsal angle (>15 deg)
|
Proximal osteotomy
|
|
Hypermobile first MT-cuneiform joint and bunion
|
Do first MT-cuneiform joint arthrodesis (called Lapidus)
|
|
What is Lapidus procedure
|
Fusion first MT-cuneiform joint
|
|
Degenerative bunion treatment
|
fusion MTP joint- no implant arthroplasty or Keller resection arthroplasty; position in 15-20 degrees extension
|
|
Keller resection arthroplasty problem
|
transfer metatarsalgia; cock up deformity;
|
|
Low intermetatarsal angle and high hallux valgus angle- procedure to do?
|
Distal (Chevron plus lateral release)
|
|
If patient has hallux varus complication- what to do surgically?
|
tendon transfer to lateral ligamentous area.
|
|
Hallux rigidus: treatment
|
mild arthritis w/ preserved joint space = non-operative (Morton’s splint); osteophytes and mild joint space narrowing = cheilectomy; osteophytes with severe joint space narrowing = MTP fusion
|
|
How much cheilectomy can be performed in hallux rigidus?
|
up to 30% of articular surface
|
|
Describe Hammertoe
|
Extension MTP, Flexion PIP, Extension DIP
|
|
Describe clawtoe
|
Extension MTP, Flexion PIP, Flexion DIP
|
|
Describe Mallet toe
|
Flexion DIP (no problem with MTP or PIP)
|
|
Weil osteotomy
|
2nd metatarsal shortening osteotomy; Index minus forefoot (second metatarsal too long so get transfer metatarsalgia);
|
|
Diagnosis of sesamoid disorders
|
MRI; bone scan non-specific
|
|
Treatment of fracture of sesamoid
|
cast 6 weeks NWB; these are at high risk of nonunion.
|
|
Complication of lateral sesamoidectomy
|
Hallux Varus (avoid with repair of flexor hallucis brevis); also lateral plantar nerve is at risk
|
|
Morton’s neuroma
|
between 2nd and 3rd metatarsals “patient feels like they’re walking on marble”
|
|
Recurrent resection Morton’s Neuroma
|
Long plantar inter-metatarsal approach proximal of MT heads
|
|
Issue with proximal osteotomy 5th MT for bunionette?
|
High risk of non-union; if high inter-metatarsal angle, do mid-shaft osteotomy
|
|
What kind of screw for Jones fracture?
|
SOLID (non-canulated), biggest you can fit down 5th MT canal
|
|
Indications for ORIF Jones Fx
|
cavus foot; re-fracture; non-union; high level athlete
|
|
Where are strongest ligaments in midfoot
|
Plantar: Transverse, oblique, and longitudinal (Strongest is 2nd oblique ligament)
|
|
Where is LisFranc ligament?
|
plantar from medial cuneiform to 2nd MT base
|
|
Midfoot arthritis orthotic
|
soft ‘plastizote’ insert that can accomodate their rigid deformity; sole of shoe may be stiff
|
|
Accessory Navicular
|
usually shoe irritation issues; Type 1-3 based on size and symptomatology; get external oblique x-ray; Tx: modified shoe; excise and advance tib post if refractory
|
|
Navicular stress fracture
|
central 1/3 is vascular watershed; Tx: either NWB w/ cast if undisplaced or cannulated screws
|
|
Appropriate placement of screws for navicular stress fracture
|
place screws dorso-lateral to plantar-medial, two 4.0 mm cannulated screws
|
|
Exam test for adolescent with painful flatfoot
|
assess for stability by toe raise- if foot doesn’t correct into varus, suspect coalition
|
|
Best x-ray for seeing medial facet talo-calcaneal coalition?
|
Harris axial view
|
|
Treatment tarsal coalition
|
Symptomatic and < 14 years: resection and interposition grafting and wax; if older patient and >50% total articular surface area, then fuse
|
|
Tarsal tunnel syndrome
|
Entrapment of posterior tibial nerve; borders: medial maleolus, sustentaculum tali; covered by flexor retinaculum in this area; burning behind medial mal; + tinel’s sign
|
|
Adult acquired flatfoot
|
posterior tendon insufficiency and failure of Spring Ligament (joins calcaneus to navicular (sling holding up talus)
|
|
Importance of spring ligament
|
Even with insufficient tin post tendon, no flatfoot until spring ligament stretches out (sling under talus; runs from calcaneus to navicular)
|
|
Orthotic for flexible flatfoot
|
early: medial heel and sole wedge; late: UCBL which cups the heel and brings heel out of valgus
|
|
Stage II tib post insufficiency
|
flexible flat-foot; cannot do single-leg heel rise; Tx: tendon and bony work = FDL to tin post transfer and medial displacement calcaneal osteotomy (if medial pain only) Add lateral column lengthening if lateral pain
|
|
Stage III tib post insufficiency
|
rigid flatfoot not passively correctible; requiring triple arthrodesis
|
|
State I tib post insufficiency
|
tendonitis; Tx: physical therapy; tenosynovectomy only if no deformity
|
|
Tib post insufficiency and heel-cord tightness
|
most of tib post patients have gastrocnemius tightness and corrective surgeries should be combined with Strayer Gastroc recession
|
|
Cavus foot: deformity
|
Varus hindfoot, varus midfoot, pronated forefoot
|
|
Coleman block test
|
in cavo-varus foot; trying to determine if varus hindfoot is due to plantar-flexed first ray; unload plantarflexed 1st MT and see if varus deformity corrects; if this is true, you have “forefoot driven cavus deformity”
|
|
Treatment for “forefoot driven cavus deformity”:
|
first metatarsal extension osteotomy with plantar fascial release; This is for correctable hindfoot on coleman block test; also can transfer peroneus longus to brevis to decrease flexion force on 1st metatarsal
|
|
If no correction of hindfoot varus on coleman block test?
|
must combine extension osteotomy 1st metatarsal with valgus osteotomy of calcaneus
|
|
Plantar Fasciitis
|
non-op treatment; Night splints 1st line of treatment; Operative Tx: release 1/4 of medial slip of plantar fascia; more creates flatfoot
|
|
Physical exam for calcaneal stress fracture:
|
Heel squeeze from medial and lateral; this diagnosis is in dDx of plantar fasciitis
|
|
Achilles tendon watershed area
|
2-6mm proximal of calcaneal insertion; prone to degenerative tendinopathy and secondary rupture
|
|
Techniques to fill void if segmental loss achilles
|
FHL (required if you debride more than 50% breadth achilles); V-Y advancement; gastroc turndown
|
|
Talus OCD: Tx
|
drill first; OATS only if drilling fails
|
|
Ankle arthrodesis position
|
5-10 degrees ER; 0-5 deg dorsiflexion; 5-10 deg valgus
|
|
Semmes-Weinstein monofilament size & importance
|
5.07; protective sensation
|
|
Diabetic ulcers of which part of the foot have the worst prognosis?
|
heel- most difficult to heal
|
|
Treatment of non-infected recalcitrant ulcer
|
total contact cast
|
|
Achilles lengthening and forefoot ulcer
|
if patient often develops forefoot ulcers, heel cord lengthening can help by taking pressure off forefoot
|
|
Length of immobilization for diabetics with ankle fracture?
|
2-3 x normal (12+ months)
|
|
When does braking reaction time return after ORIF ankle fracture?
|
9 weeks
|