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ORIGINAL ARTICLE
Year : 2015  |  Volume : 28  |  Issue : 1  |  Page : 219-224

Endoscopic endonasal surgery in orbital decompression and orbital reconstruction


1 Department of Otorhinolaryngology, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2 Department of Ophthalmology, Faculty of Medicine, Menoufia University, Menoufia, Egypt

Correspondence Address:
Hosam Adel Hussein Omar
Shebein Elkom, Menoufia
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1110-2098.155998

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Objectiv The aim of this study was to clarify and evaluate the role and the outcome of endoscopic endonasal surgery in both orbital decompression and orbital reconstruction. Background Traditional external techniques are now known to reduce proptosis significantly, but have the disadvantage of cosmetic morbidity in terms of a cutaneous scar and a high incidence of postoperative complications. Recent advances in endoscopic sinus surgery have extended its applications beyond the nose to the orbit. Orbital decompression, drainage of subperiosteal abscess, optic nerve decompression, and orbital wall reconstruction are performed very safely and effectively by endoscopic intranasal surgery. Patients and methods Fifty-four patients indicated for endoscopic orbital decompression or reconstruction were divided according to the cause into five groups (20 infection, eight inflammatory, eight neoplastic, eight congenital, and 10 traumatic). Preoperative evaluations performed were history taking, physical examination, and computed tomography and MRI of orbit and paranasal sinuses. After creating an endoscopic wide middle meatal antrostomy dealing with the pathology causing extraconal orbital compression and in intraconal compression penetrate the lamina papyracea and periosteum until prolapsed fat fill the ethmoid sinus. Reconstruction was performed by removal of the fractured bone, extraocular muscle reposition with support using Foley's catheter in floor fracture and a silastic sheet with Merocel packing in medial wall fracture. Results There was significant proptosis reduction in all groups, especially in the infection group (P < 0.001), with a mean proptosis reduction of 4 mm in the same group. Vision was significantly improved in all groups. Limited ocular motility improved significantly in traumatic and infection groups (P < 0.05). Complications were limited, and diplopia (16.7%) was the most frequent complication. Conclusion Endoscopic nasal decompression of the orbit is a safe and effective approach for reducing proptosis and improving vision and ocular motility in cases of orbital compression, which include infection, inflammatory, neoplastic, congenital, and traumatic causes. Endoscopic intranasal reduction of the orbital floor with a Foley's catheter balloon and with a silastic sheet and Merocel packing of the medial orbital wall provided good functional results and definite advantages. Complications were limited.


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