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Review Question - QID 6756

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QID 6756 (Type "6756" in App Search)
A 52-year-old woman with a 2-year history of a flexible (stage II) adult-acquired flatfoot deformity has failed to respond to nonsurgical management consisting of immobilization, custom orthotics, nonsteroidal anti-inflammatory drugs, and physical therapy. The patient is unable to perform a single limb heel rise. Weight-bearing radiographs are shown in Figures 30a through 30c. What is the most appropriate surgical correction?
  • A
  • B
  • C

Tendon transfer, lateral column lengthening, and heel cord lengthening

40%

56/140

Triple arthrodesis and heel cord lengthening

1%

1/140

Tendon transfer, lateral column lengthening, medial column arthrodesis, and heel cord lengthening

23%

32/140

Tendon transfer, spring ligament repair, and heel cord lengthening

20%

28/140

Tendon repair, medial displacement calcaneal osteotomy, and heel cord lengthening

16%

22/140

  • A
  • B
  • C

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The patient has an atypical adult flatfoot deformity. The radiographs reveal forefoot abduction, mild loss of calcaneal pitch, and marked plantar flexion sag through the naviculocuneiform joint. The inability to perform a single limb heel rise indicates that the posterior tibial tendon is nonfunctional; however, the deformity remains flexible. In this patient, surgical treatment should include a tendon transfer, lateral column lengthening, medial column arthrodesis, and heel cord lengthening. Because a substantial portion of the deformity stems from the naviculocuneiform joint in this instance, tendon transfer and lateral column lengthening alone provide insufficient deformity correction. Triple arthrodesis and heel cord lengthening is best reserved for fixed flatfoot deformities. Soft-tissue procedures alone are associated with a high failure rate, as are attempted tendon repairs.

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