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Subtalar Fusion Rate in Patients With Previous Ipsilateral Ankle Arthrodesis.

Publication ,  Journal Article
Zanolli, DH; Nunley, JA; Easley, ME
Published in: Foot Ankle Int
September 2015

BACKGROUND: Isolated subtalar arthrodesis is generally successful, with reported fusion rates of 84% to 100%. However, alteration of subtalar joint mechanics and talar body vasculature after ankle fusion may negatively influence subsequent ipsilateral subtalar joint fusion. Because there is very limited information on the subtalar fusion rate in patients with previous ipsilateral ankle fusion, the purpose of this study was to describe fusion rates in subtalar joint arthrodesis with and without preexisting ankle fusion in a large consecutive series of primary subtalar arthrodesis cases. METHODS: All primary subtalar fusions performed between January 2000 and December 2010 were reviewed. Thirteen of 151 consecutive cases were in patients with existing ipsilateral ankle fusions. All patients were evaluated for clinical and radiographic evidence of nonunion at follow-up, and fusion rates in the groups with and without previous ipsilateral ankle fusion were compared. RESULTS: Five nonunions occurred in the 13 cases with prior ipsilateral ankle arthrodesis, a 61.5% fusion rate. Twelve nonunions were identified in the 138 cases without prior ankle arthrodesis, a significantly higher fusion rate of 91.3% (P = .007). CONCLUSION: In our series, the subtalar fusion rate in patients with previous ipsilateral ankle arthrodesis was significantly lower than that for subtalar arthrodesis in the absence of ipsilateral ankle arthrodesis. LEVEL OF EVIDENCE: Level III, retrospective comparative study.

Duke Scholars

Published In

Foot Ankle Int

DOI

EISSN

1944-7876

Publication Date

September 2015

Volume

36

Issue

9

Start / End Page

1025 / 1028

Location

United States

Related Subject Headings

  • Subtalar Joint
  • Retrospective Studies
  • Osseointegration
  • Orthopedics
  • Middle Aged
  • Male
  • Humans
  • Follow-Up Studies
  • Female
  • Arthrodesis
 

Citation

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Zanolli, D. H., Nunley, J. A., & Easley, M. E. (2015). Subtalar Fusion Rate in Patients With Previous Ipsilateral Ankle Arthrodesis. Foot Ankle Int, 36(9), 1025–1028. https://doi.org/10.1177/1071100715584014
Zanolli, Diego H., James A. Nunley, and Mark E. Easley. “Subtalar Fusion Rate in Patients With Previous Ipsilateral Ankle Arthrodesis.Foot Ankle Int 36, no. 9 (September 2015): 1025–28. https://doi.org/10.1177/1071100715584014.
Zanolli DH, Nunley JA, Easley ME. Subtalar Fusion Rate in Patients With Previous Ipsilateral Ankle Arthrodesis. Foot Ankle Int. 2015 Sep;36(9):1025–8.
Zanolli, Diego H., et al. “Subtalar Fusion Rate in Patients With Previous Ipsilateral Ankle Arthrodesis.Foot Ankle Int, vol. 36, no. 9, Sept. 2015, pp. 1025–28. Pubmed, doi:10.1177/1071100715584014.
Zanolli DH, Nunley JA, Easley ME. Subtalar Fusion Rate in Patients With Previous Ipsilateral Ankle Arthrodesis. Foot Ankle Int. 2015 Sep;36(9):1025–1028.
Journal cover image

Published In

Foot Ankle Int

DOI

EISSN

1944-7876

Publication Date

September 2015

Volume

36

Issue

9

Start / End Page

1025 / 1028

Location

United States

Related Subject Headings

  • Subtalar Joint
  • Retrospective Studies
  • Osseointegration
  • Orthopedics
  • Middle Aged
  • Male
  • Humans
  • Follow-Up Studies
  • Female
  • Arthrodesis