3D打印技术辅助髂腹股沟入路治疗髋臼双柱骨折

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Abstract Objective To analysis the clinical results and superiority of three-dimensional printing assisted ilioinguinal approach in the treatment of double columns acetabularfractures.Methods A retrospective analysis was made on 12 patients with double columns acetabular fractures treated by 3D printing combined with single anterior approach from Jan，2016 to May，2019.There were 9 males and 3 females，with an average of(46.4±15.1)years (range：24 to 70 years).Preoperative3D printing of pelvic model and simulated surgery and pre-bending plates were applied.During the operation，the fractures were reduced and fixed with plates and screws via the ilioinguinal approach.The patients'operationtime，intraoperative blood loss and complications were recorded.The Matta evaluation criteria was used to assess fracture reduction and the modified Merle D’Aubigneand Postel scoring systemwas used for evaluating hip functionin patients.Results All patients were completed the operationsuccessfully.The operationtime was 130~245 min，the amount of bleeding was 600~1 600 mL，the autotransfusion volume was 300~800 mL.Followed up ranged form 0.5 to 2.5 years，with an average of(1.5±0.7) years，all the fractures healed.Postoperative X-ray filmswere evaluated according to Matta imaging criteria：excellent in 6 cases，good in 4 cases，fair in 2 cases，and the excellent and good rate was 83.3%.Postoperative hip function was evaluated according to modified Merle d'Aubigne and Postel criteria：excellentin 5 cases，good in 4 cases，fair in 3 cases，and the excellent and good rate was 75.0%.Conclusion 3D printing technique assisted ilioinguinal approach is feasible for double columns acetabular fracture.It can make accurate individualized reduction and fixation for fracture，has good efficacy.

Key words： 3D printing double columns acetabular fracture ilioinguinal approach internal fixation

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[1]	. [J]. sygkzz, 2021, 27(5): 456-459.