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The valid diagnostic parameters in static CT scan to predict unstable syndesmotic injury with ankle fracture

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Author(s)
Si Wook Lee
Keimyung Author(s)
Lee, Si Wook
Department
Dept. of Orthopedic Surgery (정형외과학)
Journal Title
Foot & Ankle Orthopaedics
Issued Date
2018
Volume
3
Issue
3
Keyword
Syndesmotic injury, Computed Tomography (CT)
Abstract
Introduction/Purpose:


The purpose of this study is to evaluate valid and reasonable parameters to predict syndesmotic injury in ankle fracture.



Methods:


Seventy patients who underwent preoperative bilateral CT scans were enrolled retrospectively. On preoperative x-ray, tibiofibular overlap (TFO) and tibiofibular clear space (TFCS) were measured. On preoperative CT scan, anterior fibular distance (AFD), posterior fibular distance (PFD), anterior translation distance (AT), fibular diastasis (FD), anterior-posterior translation (APT), fibular length (FL), surface area of syndesmosis (SAS), surface area of syndesmosis of 1.5 cm above the ankle joint line (SAS1.5) were measured. Those measured values were divided with those of uninjured side, in order to minimize the differences among the individuals.



Results:


Statistically significant differences has been shown between The measurements of ratio (Injured/Uninjured) of TFO, PFD, APT, Diastasis, and SAS of groups which required transfixation have shown statistically significant difference, compared to those of groups which did not require transfixation. Other measurements were not showing significant difference. Furthermore, using ROC curve analysis, a ratio of measurement which is the most reasonable to predict transfixation was SAS (95% confidence interval = 0.598 – 0.869, cut of value = 1.555)



Conclusion:


Measuring TFO, PFD, APT, Diastasis, and SAS from CT scans and comparing with uninjured side preoperatively can provide surgeon an reasonable evidence to perform transfixation intraoperatively
Keimyung Author(s)(Kor)
이시욱
Publisher
School of Medicine (의과대학)
Citation
Si Wook Lee. (2018). The valid diagnostic parameters in static CT scan to predict unstable syndesmotic injury with ankle fracture. Foot & Ankle Orthopaedics, 3(3), 2473011418S00312-2473011418S00312. doi: 10.1177/2473011418S00312
Type
Article
ISSN
2473-0114
Source
https://journals.sagepub.com/doi/abs/10.1177/2473011418S00312
DOI
10.1177/2473011418S00312
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41544
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
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