J Korean Cleft Palate-Craniofac Assoc.  2010 Oct;11(2):85-90.

Treatment of Blow-out Fractures Using Both Titanium Mesh Plate and Porous Polyethylene (Medpor(R))

Affiliations
  • 1Department of Plastic Surgery, Korea University Collage of Medicine, Gyeonggi-do, Korea. yesanam2@korea.ac.kr
  • 2Jewelry Plastic Surgery, Seoul, Korea.

Abstract

PURPOSE
The goals of a blow-out fracture reconstruction are to restore the osseous continuity, provide support for the orbital contents and prevent functional and anatomic defects. Over the past several years, a range of autogenous and synthetic implants have been used extensively in orbital reconstructions. None of these implants have any absolute indications or contraindications in certain clinical settings. However, in extensive blow-out fractures, it is difficult to restore support of the orbital contents, which can cause more complications, such as enophthalmos. This study examined the clinical outcomes of extensive or comminuted blow-out fractures that were reconstructed by the simultaneous use of a titanium mesh plate and Medpor(R).
METHODS
Eighty six patients with extensive orbital fractures, who were admitted between March 1999 and February 2007, were reviewed retrospectively. The patients' chart and CT were inspected for review. Twenty three patients were operated on with both a titanium mesh plate (Matrix MIDFACE pre-formed orbital plate, Synthes, USA) and Medpor(R) (Porex, GA, USA). The patients underwent pre-operative CT scans to evaluate the fracture site and measure the area of the fracture. A transconjunctival approach was used, and titanium mesh plates were inserted subperiosteally with screw fixation. Medpor(R) was inserted above the titanium mesh plate. The patients were evaluated post-operatively for enophthalmos, diplopia, sensory disturbances and eyeball movement for a period of at least 6 months.
RESULTS
No implant-related complications were encountered during the follow-up period. Enophthalmos occurred in 1 patient, 1 patient had permanent sensory disturbance, and 3 patients complained of ocular pain and fatigue, which recovered without treatment. Although there were no significance differences between groups, the use of 2 implants had fewer complications. Therefore, it can be an alternative method for treating blow out fractures.
CONCLUSION
The use of both a titanium mesh plate and Medpor(R) simultaneously may be a safe and acceptable technique in the reconstruction of extensive blow-out fractures.

Keyword

Blowout fracture; Titanium mesh plate; Porous polyethylene
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