Abstract
IntroductionWith the rapid development of three-dimensional (3D) printing and computer technology, adopting computer-assisted virtual surgical procedures and 3D printing of patient-specific pre-contoured plates can greatly reduce surgical invasiveness and operative time and simplify the procedure. HypothesisUse of computer-assisted virtual surgical procedures and 3D printing of patient-specific pre-contoured plates reduce the operative time and blood loss in bi-columnar acetabular fracture fixation. MethodsA retrospective analysis was performed for 52 bi-columnar acetabular fracture cases treated surgically in our department from January 2013 to January 2017. According to the patients’ willingness to accept 3D printing services, 52 patients were divided into groups A and B. In group A (28 patients), computer-assisted virtual surgical procedures and 3D printing of patient-specific pre-contoured plates were adopted. In group B (24 patients), the conventional method was adopted. Fracture type, operative blood loss, surgical time, complications, radiographic quality of reduction, and hip function were compared between groups. All patients were operated by the same surgeon. ResultsThe real surgical procedure of all patients in group A was almost identical to the preoperative virtual operation. Operative time and intra-operative blood loss were significantly reduced in group A than in group B (P<0.05), while the postoperative fracture reduction quality and hip function obtained slightly higher levels of satisfaction in group A. ConclusionsComputer-assisted virtual surgical procedures, 3D printing technology and patient-specific pre-contoured plates can reduce the operative time and blood loss with less surgical invasiveness and ensure completely satisfactory clinical outcomes. However, promotion of this technology requires additional work. Level of evidenceIII, therapeutic study.
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