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Journal of Korean Cleft Palate-Craniofacial Association 2006;7(2):71-74.
Case Study of Secondary Operation in Blowout Fracture for Correction of Implant Displacement.
Seok Chan Eun, Dong Il Choi, Woo Sung Jo, Chul Hoon Chung, Suk Joon Oh
Department of Plastic and Reconstructive Surgery, Hallym University, College of Medicine, Seoul, Korea. sceun@www.hallym.or.kr
The operative treatment of orbital blowout fracture involves restoration of intra-orbital soft tissue and bony structural integrity. In extensive blowout fracture cases, inadequate dissection inappropriate implant insertion, postoperative edema and subsequent increase of intraorbital pressure may sometimes lead to displace the implant. This case study was performed on 6 patients who underwent secondary blowout fracture operation. After primary blowout fracture reduction operation, we found severely displaced implant in the postoperative computed tomogram study. The most prevalent sites were the posterior portion of the inferior and medial wall. We performed further dissection of the fracture sites and inserted more larger sized implant than before. Then we fixated the implant to prevent postoperative displacement. Among these patients, 3 patients who operated more than 3 months after the first operation, complained residual diplopia and eyeball movement disorder. These clinical cases have troublesome and unique features, so we report our experiences with review of the literatures.
Keywords: Blow out fracture; Secondary operation; Implant displacement
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