Reliability of various diastasis measurement methods on weightbearing radiographs in patients with subtle Lisfranc injuries

Objective This study aimed to evaluate the reliability of the diastasis measurements between the medial cuneiform and the second metatarsal on weightbearing radiography. Materials and methods We retrospectively examined 18 patients who underwent open surgery for subtle Lisfranc injuries. Preoperativ...

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Bibliographic Details
Published in:Skeletal radiology 2022-04, Vol.51 (4), p.801-806
Main Authors: Sugino, Yuki, Yoshimura, Ichiro, Hagio, Tomonobu, Ishimatsu, Tetsuro, Nagatomo, Masaya, Yamamoto, Takuaki
Format: Article
Language:English
Subjects:
Correlation coefficients
Evaluation
Feet
Humans
Imaging
Injuries
Measurement methods
Medicine
Medicine & Public Health
Metatarsal Bones - diagnostic imaging
Metatarsal Bones - injuries
Metatarsal Bones - surgery
Metatarsus
Nuclear Medicine
Orthopedics
Pathology
Patients
Radiography
Radiology
Reliability analysis
Reproducibility of Results
Retrospective Studies
Scientific Article
Weight-Bearing
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Summary:Objective This study aimed to evaluate the reliability of the diastasis measurements between the medial cuneiform and the second metatarsal on weightbearing radiography. Materials and methods We retrospectively examined 18 patients who underwent open surgery for subtle Lisfranc injuries. Preoperative weightbearing radiography of the affected and unaffected feet was evaluated in all patients. The diastasis between the medial cuneiform and the second metatarsal was measured in both feet using the following four methods: diastasis between parallel lines, distal point diastasis, middle point diastasis, and proximal point diastasis. Intraclass correlation coefficients with consistency of agreement were calculated to evaluate inter- and intraobserver reliability. Results The intra- and interobserver reliabilities of all four methods were good. Intraclass correlation coefficients for intraobserver reliability ranged from 0.87 to 0.93. Those for interobserver reliability ranged from 0.81 to 0.91. Conclusions The reliabilities of the diastasis measurement methods between the medial cuneiform and the second metatarsal on weightbearing radiography were good. Measuring the diastasis between the medial cuneiform and the second metatarsal on weightbearing radiography is useful in evaluating subtle injuries when uniform measurement methods are used.
ISSN:0364-2348
1432-2161
DOI:10.1007/s00256-021-03892-8