Comparison of clinical efficacy between mippo minimally invasive approach and posterior lateral approach in the treatment of Lauge Hansen supinated external rotation Ⅲ～Ⅳ degree ankle joint fractures
Objective To compare the clinical efficacy between mippo technique minimally invasive approach and posterolateral approach in the treatment of Lauge Hansen supination external rotation Ⅲ～Ⅳ degree ankle joint fractures.Methods From January 2019 to January 2022,60 patients with Lauge Hansen supination Ⅲ to Ⅳ degree ankle joint in our hospital were collected.The patients were divided into a group A and a group B according to surgery methods,30 in each group.The group A was treated with mippo minimally invasive approach and the group B was treated with posterolateral approach.The surgical time,fluoroscopy frequency,blood loss,postoperative VAS score,duration of ankle pain,complications,ankle function and bone healing were compared between the two groups.Results The two groups were followed up for 14 to 24 months(22±3 months).The incision length,bleeding volume,hospital stay,postoperative pain VAS score,and postoperative pain duration in the group A were significantly smaller than those in the group B(P＜0.05).The intraoperative fluoroscopy frequency and surgical time in the group A were higher than those in the group B(P＜0.05).The excellent and good rate of fracture healing in the group A was higher than that in the group B after 3 months of surgery(P＜0.05).All patients in both groups achieved bony union and no abnormal union after 6 months of surgery.After 12 months of surgery,there was no statistically significant difference in the excellent and good rates of ankle joint function between the two groups,but the incidence of complications in the group A was significantly lower than that in the group B(P＜0.05).There were no complications such as incision infection,fracture malunion,bone nonunion or internal fixation loosening in both groups.Conclusions Compared with the posterior lateral approach,mippo technology can effectively restore ankle joint function in the treatment of ankle joint supination external rotation Ⅲ～Ⅳ degree fractures.Moreover,mippo technology is a less invasive surgery,and has lower incidence of complications,shorter pain duration and faster fracture healing.
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