Comparative study on clinical results of pertacuneous sacroiliac screw combined with retrograde anterior column screw fixation or with external fixation stent for 3D navigation aided treatment of Tilt pelvic fractures

Abstract

Objective To evaluate the clinical effects of pertacuneous sacroiliac screw combined with retrograde anterior column screw fixation and that with external fixation stent for 3D navigation aided treatment of Tilt pelvic fractures. Methods A retrospective case control review was conducted on 49 cases of Tilt pelvic fractures admitted to our hospital from June 2015 to February 2017. There were 27 males and 22 females, aged 21-68 years (mean, 44.6 years). Twenty eight cases were treated with the pertacuneous sacroiliac screw combined with retrograde anterior column screw fixation (Group A), and twenty one cases were treated with pertacuneous sacroiliac screw combined with external fixation stent (Group B). Operation duration, blood loss, time for exercise, postoperative complications, Majeed pelvic fractures function score and visual analogue scale(VAS) at the last follow-up were compared between the two groups. Results All patients were followed up for 6-16 months (mean, 12.7 months). No significant difference was found for operation duration, intraoperative blood loss and Majeed pelvic fractures functional scores at the last follow-up (P>0.05). Time for exercise in Group A[(9.71±0.49)weeks]was earlier than that in Group B[(17.05±0.73)weeks](P<0.05). The incidence of postoperative complications was 4% in Group A, significantly lower than 29% in Group B (P<0.05). Significant difference was observed for VAS between the two groups at postoperative 1, 4 and 12 weeks (P<0.05). Conclusion Pertacuneous sacroiliac screw combined with retrograde anterior column screw fixation aided by 3D navigation has advantages of early time for exercise, pain relief, few complications, which serves as a favorable treatment for Tilt pelvic fractures. Key words: Pelvis; Fracture fixation, internal; Surgical procedures, minimally invasive; Navigation technology