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Evaluating Orbital Fracture Reconstructions Using Super Fixsorb MX Sheets Yoko Morishima 1,2,3 , Yu Mokushi 3 , Hidekichi Sato 3 1Mizunomori Beauty Clinic 2Verite Clinic 3Department of Plastic Surgery, Ogaki Municipal Hospital pp.1324-1335
Published Date 2025/12/10
DOI https://doi.org/10.18916/keisei.2025120013
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 We retrospectively analyzed the long-term outcomes of orbital fracture reconstructions that used Super Fixsorb MX sheets (uHA/PLLA) in 104 patients treated at Ogaki Municipal Hospital during the period 2012–2020. Surgical repairs were performed within 10 days of injury, and the patients were followed up for 5 years by annual CT imaging. We evaluated the occurrences of postoperative enophthalmos and exophthalmos based on the apex-globe distance and their correlations with the fracture location, bone defect size, and the type of sheet used, i.e., a 0.5-mm mesh, 0.5-mm sheet, or 0.3-mm sheet.

 The evaluation revealed enophthalmos ≥2 mm in 15% of the cases and exophthalmos ≥2 mm in 6%. Fractures involving the orbital floor were associated with more severe enophthalmos, and the 0.5-mm sheets provided better stability for larger defects. The main causes of postoperative orbital volume expansion were inadequate posterior support and remodeling-related deformation of the thinner (0.3-mm) sheet. We also observed that chronic inflammation from sheet absorption contributed to some cases of exophthalmos.

 These results highlight the importance of early surgical intervention, the careful selection of reconstruction materials, and long-term follow-up in orbital fracture reconstructions. Super Fixsorb MX sheets demonstrated effective long-term stability and compatibility, but complications related to the sheet thickness and defect size suggest the need for tailored surgical planning.


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電子版ISSN 印刷版ISSN 0021-5228 克誠堂出版

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