injuries to the lateral collateral ligament of the ankle
Conditions
Interventions
Gold Standard:MRI examination of the LCL ankle
ultrasound 
examination 
of 
ankle 
(tested 
by 
X300 
system)
Sponsors
Guangzhou Orthopedics Hospital
Eligibility
Sex/Gender
All
Age
16 Years to 42 Years
Inclusion criteria
Inclusion criteria: 1. Patients with ankle sprain for 1-7 days; 2. Patients requiring surgery for repair of LCL of the ankle: (1) complicated by grade III calcaneofibular ligament tear; (2) complete LCL tear; (3) partial LCL tear (the patient is young and has exercise requirement, he or she wishes to undergo surgical treatment; 3. Aged 16-42 years.
Exclusion criteria
Exclusion criteria: 1. Interval between MRI and ultrasound examination exceeds 3 days; 2. Ankle infection; 3. Ankle fracture.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The sensitivity of high-frequency ultrasound in the diagnosis of complete tear of the LCL of ankle ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;Specificity of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;Positive predicative value of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;Negative predicative value of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;Accuracy of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;Area under the ROC curve (AUC) of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;Cut-off value of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL;High-frequency ultrasound imaging of of high-frequency ultrasound and in the diagnosis of sprain and partial tear of the LCL; | — |
Countries
China
Contacts
Public ContactDan Huang
Guangzhou Orthopedics Hospital
Outcome results
None listed