Analysis of 158 frontal sinus fractures: current surgical management and complications

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A retrospective analysis is presented of 158 patients who sustained frontal sinus fractures and were subsequently treated in the Division of Maxillofacial Surgery, University of Turin, from 1987 to 1998. The fractures were subdivided according to involvement of anterior and posterior walls, and of the nasofrontal duct. While treatment involving only the anterior wall is well standardized and without complications, management of anterior plus posterior wall fractures or involving the nasofrontal duct is still controversial. In dislocated posterior wall fractures, cranialization and obliteration of the remaining dead space and of the nasofrontal ducts using bone grafts, combined with the use of a pericranium flap, allow separation of the nasal cavity from the anterior cranial fossa, preventing ascending infections and thus reducing the rate of complications. When the fracture involves the nasofrontal duct with the posterior wall substantially intact, it is better to re-establish patency of the nasofrontal duct with a drainage tube and preserve the function of the sinus. A protocol used in the management of each group of fractures, clinical and radiological results, timing of operation, surgical procedures, outcomes, and long-term complications are all discussed.