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KMID : 0360220070480111554
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Journal of the Korean Ophthalmological Society
2007 Volume.48 No. 11 p.1554 ~ p.1561
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The Effect of 4 Rectus Muscle Anterior Displacement in Porous Polyethylene Orbital Implant Exposure
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Jeong Woo-Jin
Shin Dong-Min
Ahn Hee-Bae
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Abstract
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Purpose: To investigate the effects of anterior displacement of four rectus muscles in exposure of porous polyethylene orbital implant (Medpor?).
Case summary: This retrospective study reviewed 4 eyes with exposed orbital implant who underwent evisceration with porous polyethylene orbital implant (Medpor?). The technique involves dissection of conjunctiva and tenon`s capsule and isolation of four rectus muscles from sclera. Unsure if each muscle was sutured to each other or if a group of muscles were sutured to another group (i.e. superior and inferior to medial and lateral). Posterior tenon`s capsule was closed interruptedly and conjunctiva was closed continuously. Orbital implant exposure was occurred at 2~36 months later after evisceration and implant insertion. One eye was noted wound dehiscence 1 week after operation, then re-suture was done. Re-exposure was notified in 1 eye at postoperative 3 months, but it was small, then we just observed. In other 3 cases, exposure was not identified till last follow up.
Conclusions: Four rectus muscle anterior displacement procedure may be simple and useful method in exposure of orbital implant.
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KEYWORD
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Four rectus muscle anterior displacement procedure, Orbital implant exposure
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