ABFAS Clinical Procedures and Protocols 3

Question 1

When performing a subtalar joint arthroereisis for pediatric flatfoot, where is the implant placed?

Accepted Answer

Sinus tarsi

Answer

The arthroereisis implant is inserted into the sinus tarsi to mechanically block excessive pronation and subtalar joint eversion.

Question 2

Which principle governs the appropriate level of Kirschner wire placement when treating an unstable fifth metatarsal base fracture (Jones fracture) with intramedullary screw fixation?

Accepted Answer

The screw should be placed along the long axis of the metatarsal shaft

Answer

Intramedullary screw fixation of Jones fractures requires placement along the medullary canal axis of the fifth metatarsal for optimal purchase.

Question 3

A patient presents with a recurrent ingrown toenail. Which procedure provides the most definitive long-term resolution?

Accepted Answer

Partial nail avulsion with phenol matrixectomy

Answer

Partial nail avulsion followed by phenol matrixectomy destroys the germinal matrix of the offending nail border, providing the highest success rate for permanent correction.

Question 4

During calcaneal osteotomy for cavovarus foot correction, which direction is the calcaneus translated to reduce lateral column overload?

Accepted Answer

Laterally

Answer

In cavovarus correction, the calcaneus is shifted laterally to reduce varus heel alignment and redistribute plantar pressure.

Question 5

What is the recommended tourniquet inflation pressure for an ankle tourniquet in an adult patient with a systolic blood pressure of 120 mmHg?

Accepted Answer

250 mmHg

Answer

Ankle tourniquet pressure is typically set at 250 mmHg or approximately twice the systolic blood pressure to achieve hemostasis.

(ABFAS) American Board of Foot and Ankle Surgery Practice Test

(ABFAS) American Board of Foot and Ankle Surgery Practice Test

ABFAS Clinical Procedures and Protocols 3