Retrospective Study Of 149 Patients With Zygomatic Complex Fractures

Objective: To investigate the clinical and epidemiology features in patients with fractures of the zygomatic complex.Methods: We took a retrospective study on a total of 149 patients with zygomatic complex fractures. Date regarding gender, age, etiology, type of fracture, treatment and the fixed modes.Results: 1.80.5% were males and 19.5% were females. Most patients were aged 21-50 years and road traffic accidents caused the most injuries. The most frequently associated fracture was maxillary fractures(23.5%), followed by mandibular fractures(21.5%) and craniocerbral trauma(14.8%). 2.133 patients was unilateral. The most fracture was type B(50.4%).Restriction of opening mouth occurred in 118(88.7%) patients. 3.Among the 133 patients,87(65.4%) had undergone open reduction and internal fixation, and 28(21.1%) had undergone fracture reduction without fixation. 74.0% of the open reductions was completed within two weeks after the injury. Oral vestibule inc ision was used in 77 cases (67.0%). Coronary incision of scalp was used in 31 patients(27.0%). 21 cases of Type A fracture had undergone fracture reduction without fixation, and 7 use 1-point fixation. 7 type B fracture was treated by fracture reduction without fixation, and 33 was fixed in 1-point, 9 in 2-point, 5 in 3 point, 5 in 4-point.All of the type C fracture had undergone open reduction and internal fixation. The most choice was 3-point(11 cases) and 4-point(8 cases) fixation. 5 cases type C fracture was fixed in 2-point and 4 was in 1-point.Conclusion: This study has shown that traffic accidents are responsible for most zygomatic complex fractures in our hospital. Most of type A1 fractures were fairly stable after fracture reduction without fixation. Displaced type A2 and A3 fractures were best treated by open reduction and internal fixation. In many type B fractures, a single point of fixation using plates and screws may be enough to ensure stability and prevent postoperative displacement in noncomminuted fractures. A displaced type C fractures represents an absolute indication for open reduction and internal fixation.3 or 4 points fixation could help tremendously.