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Optimization of hindfoot alignment radiography.

Chonglin Yang1, Xiangyang Xu2, Mu Hu1

  • 11 Department of Orthopedics, Shanghai Ruijin Hospital North, Shanghai Jiaotong University School of Medicine, Shanghai, PR China.

Acta Radiologica (Stockholm, Sweden : 1987)
|November 19, 2016
PubMed
Summary
This summary is machine-generated.

Buck's and Cobey's methods for hindfoot alignment radiography showed no significant difference in angle measurements. Buck's method offers a simpler procedure and is recommended for routine clinical use.

Keywords:
Hindfootdeformityhindfoot alignmentradiographytibia

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Biomechanics

Background:

  • Hindfoot alignment assessment is crucial in foot and ankle surgery.
  • Cobey's and Buck's methods are established techniques for evaluating hindfoot alignment.
  • Clinical preference and ease of use between these methods remain unclear.

Purpose of the Study:

  • To compare the efficacy and practicality of Cobey's and Buck's methods for hindfoot alignment radiography.
  • To determine the optimal radiographic technique for clinical practice.

Main Methods:

  • A randomized study of 50 patients undergoing hindfoot alignment radiography.
  • Radiographs were obtained using both Cobey's and Buck's methods.
  • Comparative analysis of calcaneotibial angle, calcaneovertical angle, and calcaneus-to-mid-tibial axis distance using t-tests.

Main Results:

  • No significant differences were found between Cobey's and Buck's methods for angular measurements in valgus, normal, or varus hindfoot alignments (P > 0.05).
  • Buck's method showed a statistically significant difference in the distance measurement compared to Cobey's method in valgus and normal cases (P < 0.05).
  • Buck's method yielded a slightly larger distance measurement (approx. 1 mm) in valgus and normal cases.

Conclusions:

  • Both Cobey's and Buck's methods are reliable for assessing hindfoot alignment.
  • Buck's technique is associated with a less technical procedure and reduced time, suggesting its suitability for routine clinical application.
  • Buck's method is recommended for wider adoption in hindfoot radiography.