A Comparison of Endoscopic Reduction for Medial Blowout Fractures Using a Bioresorbable Panel and Silastic Sheet

Background: The aim of the study was to compare the effectiveness of endoscopic endonasal reduction using a bioresorbable panel and silastic sheet packed with Merocel for blowout fractures of the medial orbital wall. Design: Retrospective study. Methods: The study group consisted of 147 patients who underwent endoscopic endonasal reduction of a blowout fracture of the medial orbital wall between January 2005 and December 2016. Fifty-seven fractures were repaired using a splint formed by a silastic sheet and Merocel (splint group), whereas 90 fractures were repaired using a bioresorbable panel for interposition (interposition group). Postoperative complications and surgical outcomes of the 2 groups were compared. Results: Preoperative diplopia in both groups (n = 30) was resolved except 1 in interposition group after the reduction. Enophthalmos was resolved in 10 cases in the splint group and in 6 cases in the interposition group. In postoperative CT scans, 20 of the 57 cases in the splint group exhibited under- or overcorrection, compared with 9 of the 90 cases in the interposition group (P 

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