HIGH YIELD II

Question 1

how often does over correction occur resulting in hallux varus?

tx?

Answer 1

10-12%

muscle imbalance, rate of progression and pain is dependent on joint incongruity and or DJD

*reducible=ST correction, nonreducible=arthrodesis

Question 2

basilar osteotomies commonly cause this

dorsal tilting

metatarsus primus can develop hallux limitus

transverse plane deviation

what is this HAV complication?

Answer 2

malunion of the 1st metatarsal

Question 3

rare overall

50% of nonunions are asymptomatic

systemic factors like pregnancy

primary case:

• infection
• interruption of blood supply
• lack of contact between bone ends

what HAV complication is this?

Answer 3

delayed unions and nonunions

Question 4

common wound complications?

risk factors?

Answer 4

1-10% total incidence

superficial infections rather than deep or hardware related

*advanced age, obesity, age, immune system suppression, smoker

Question 5

nerve mostly affected causing a neuroma?

Answer 5

medial dorsal cutaneous nerve

Question 6

not well reported

causes: lateral release, elevation of the first ray, underlying arthritis, unrecognized congruent joint

prevent by early ROM

arthrodesis best surgical option?

Answer 6

1st MPJ stiffness

Question 7

MC seen in DMO

1st metatarsal has extra and intra osseous blood supply

overal the dorsolateral part of the metatarsal head has a more extensive blood supply than the plantar aspect

what is this complication?

Answer 7

avascular necrosis of the capital fragment