Τρίτη 7 Ιανουαρίου 2020

Orbital Reconstruction via Deformable Titanium Mesh Following Spheno-Orbital Meningioma Resection: Ophthalmic Presentation and Outcomes

Orbital Reconstruction via Deformable Titanium Mesh Following Spheno-Orbital Meningioma Resection: Ophthalmic Presentation and Outcomes: imagePurpose:

To present a surgical approach to reconstruction of the bony orbit following resection of spheno-orbital meningioma utilizing deformable titanium mesh while emphasizing the ophthalmic presentation and outcomes of the repair.

Methods:

A retrospective chart review received International Review Board approval, and 20 patients met the inclusion criteria. All patients underwent resection of spheno-orbital meningioma followed by orbital reconstruction with deformable titanium mesh. Pre- and postoperative ophthalmic exam findings were recorded. Outcome measures include Snellen visual acuity, performance on automated Humphry 30–2 perimetry, extraocular motility, Hertel exophthalmometry, associated complications, and recurrence. A literature review of the use of titanium to reconstruct the orbit following resection of spheno-orbital meningioma was performed.

Results:

Visual acuity improved (9/20) or remained the same (8/20) in 85% of patients. Fifteen of the 20 patients had pre- and postoperative visual fields performed, and 93% (14/15) experienced substantial improvement or no change with full fields. Of the 12 patients who had extraocular motility disturbance following surgery, 25% (3/12) had preexisting defects that did not change, 58% (7/12) returned to normal, and 17% (2/12) had new onset dysfunction that did not improve. Proptosis was reduced by a mean of 4.4 mm. Complications were rare and inconsequential, and recurrence was observed in 20% (4/20) at an average of 43 months following surgery.

Conclusions:

Orbital reconstruction using deformable titanium mesh is both safe and effective in the setting of resection of spheno-orbital meningioma. This study is the largest known report of orbits reconstructed with deformable titanium mesh in the available literature.

The ophthalmic presentation of spheno-orbital meningioma and postoperative results are presented following description of orbital reconstruction utilizing deformable titanium mesh.


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