The value of high-frequency musculoskeletal ultrasound in diagnosing lateral collateral ligament injury of the ankle joint
Objective To explore the value of high-frequency musculoskeletal ultrasound technology in identifying the type and degree of lateral collateral ligament injury in the ankle joint.Methods Totally 90 patients with lateral collateral liga-ment injury of the ankle joint during January 3,2021,to January 3,2023,in Second People's Hospital of Pingdingshan were selected as the research subjects.All patients underwent high-frequency musculoskeletal ultrasound examination,magnetic resonance imaging(MRI),intraoperative exploration.Using MRI and intraoperative exploration as the gold standard,the x2 test was used to compare the visible injury conditions of high-frequency musculoskeletal ultrasound,MRI,and intraoperative exploration.The Kappa test was used to compare the consistency of the diagnostic results of high-fre-quency musculoskeletal ultrasound and MRI with intraoperative exploration for lateral ankle ligament injuries.In addition,the gold standard for prognosis evaluation after treatment is the American Association of Foot and Ankle(AOFAS)score to evaluate the prognosis results.The x2 test was used to compare the analysis of high-frequency musculoskeletal ultrasound and AOFAS scores in assessing the prognosis of lateral ankle ligament injuries.Results Among 90 patients with lateral collateral ligament in-jury of the ankle joint,MRI and intraoperative exploration results showed 13 cases(14.44％)of posterior talofibular ligament in-jury,and high-frequency musculoskeletal ultrasound detected 12 cases(13.33％),with no statistically significant difference(x2=0.047,P=0.829);MRI and intraoperative exploration results showed 16 cases(17.78％)of anterior talofibular ligament injury with calcaneofibular ligament injury,and high-frequency musculoskeletal ultrasound detected 15 cases(16.67％),with no statistically significant difference(x2=0.039,P=0.844);MRI and intraoperative exploration results showed 20 cases(22.22％)of simple injury to the calcaneal and fibular ligaments,and high-frequency musculoskeletal ultrasound detected 15 ca-ses(21.11％),with no statistically significant difference(x2=0.033,P=0.856);MRI and intraoperative exploration results showed that there were 42 cases(46.67％)of simple anterior talofibular ligament injury,and 43 cases(47.78％)of high fre-quency musculoskeletal ultrasound exploration of anterior talofibular ligament with calcaneofibular ligament injury,with no statis-tically significant difference in comparison(x2=0.022,P=0.881);There were 15 cases of anterior talofibular ligament with calcaneofibular ligament injury,19 cases of simple calcaneofibular ligament injury,and 43 cases of simple anterior talofibular liga-ment injury;MRI and intraoperative exploration showed that among 90 cases of lateral collateral ligament injury of the ankle joint,there were 18 cases of type Ⅰ,52 cases of type Ⅱ,and 20 cases of type Ⅲ.The results of high-frequency musculoskeletal ultrasound examination were consistent with the gold standard examination(Kappa value=0.825,P＜0.001).Among the 90 patients with lateral collateral ligament injury of the ankle joint,50 were excellent(55.56％)according to the AOFAS score eval-uation,while 46 were excellent(51.11％)according to the high-frequency musculoskeletal ultrasound evaluation.There was no statistically significant difference in the comparison(x2=0.357,P=0.550).Among the 90 patients with lateral collateral liga-ment injury of the ankle joint,23 were good(25.56％)according to the AOFAS score evaluation,and 24 were good(26.67％)according to the high-frequency musculoskeletal ultrasound evaluation.The comparison was not statistically significant(x2=0.029,P=0.865).Among the 90 patients with lateral collateral ligament injury of the ankle joint,there were 17 cases(18.89％)with poor prognosis evaluated by AOFAS score,and 20 cases(22.22％)with poor prognosis evaluated by high-fre-quency musculoskeletal ultrasound.The comparison was not statistically significant(x2=0.306,P=0.580).Conclusion High frequency musculoskeletal ultrasound has certain value in diagnosing visible injuries,grading injuries,and evaluating prognosis of the lateral collateral ligament of the ankle joint,and is worthy of clinical promotion.
injury of the lateral collateral ligament of the ankle jointhigh frequency musculoskeletal ultrasoundmagnetic resonance imagingsimple injury of calcaneal and fibular ligaments
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