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Anterior surface breakdown and implant extrusion following secondary alloplastic orbital implantation surgery.

Acta Ophthalmol 2018, vol. 96, issue 3

BACKGROUND

Secondary orbital implantation surgery can be complex due to scarring of the orbital tissues and can be complicated by implant exposure and extrusion.

PURPOSE

To evaluate the incidence and risk factors of implant exposure and extrusion following secondary alloplastic orbital implantation surgery in anophthalmic patients.

METHODS

Retrospective analysis of a consecutive series of patients who underwent secondary placement of an alloplastic orbital implant by one surgeon between 2001 and 2016 in the Rotterdam Eye Hospital.

OUTCOME PARAMETERS

implant exposure or extrusion. Other complications.

RESULTS

Sixty-three patients underwent secondary orbital placement of scleral-wrapped acrylic (60) or silicone (three) spherical implants. A subset of 25 patients had undergone earlier secondary orbital implant placement (by other surgeons) with exposure/extrusion necessitating additional implant surgery. Two patients were excluded due to lack of follow-up (

CONCLUSION

Secondary orbital implantation of sclera-wrapped alloplastic implants was complicated by implant extrusion or exposure in 12% of cases in which the extraocular muscles were attached to the implant.

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