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  • Title: Outcome of deep lateral wall rim-sparing orbital decompression in thyroid-associated orbitopathy: a new technique and results of a case series.
    Author: Mehta P, Durrani OM.
    Journal: Orbit; 2011 Dec; 30(6):265-8. PubMed ID: 22132843.
    Abstract:
    PURPOSE: To describe a new technique for deep lateral (single) wall orbital decompression surgery, developed by Mr. Geoffrey Rose, for proptosis in patients with thyroid-associated orbitopathy and to analyse the results achieved in our series. METHODS: The study is an interventional, retrospective, non-comparative case series. Twenty-one eyes of seventeen patients underwent the described technique of deep lateral wall orbital decompression for thyroid-associated orbitopathy. All patients had controlled thyroid functions and underwent surgery for cosmetic rehabilitation, with analysis of the reduction in proptosis, changes in visual acuity and post-operative complications. The surgery involved removing the lateral orbital wall whilst preserving the lateral rim, the lateral wall being approached through a horizontal skin incision placed lateral to the lateral canthus. After reflecting the periosteum, most of the bone (deep lateral wall) between the skull base and inferior orbital fissure is removed. RESULTS: A mean reduction in proptosis of 4.81 mm ± 1.23 (SD) (p < 0.0001) with a median of 5.0 mm (range 3-7 mm) was achieved and the best-corrected visual acuity was maintained in all patients. There were no complications during surgery, and post-operative complications included worsening of pre-existing diplopia in one patient (6%) and transient cheek/temple numbness seen in three patients (18%). CONCLUSIONS: This technique of deep lateral wall orbital decompression developed by Mr. Rose is a safe and effective procedure for patients with mild to moderate proptosis. It carries a low risk of morbidity and avoids complications associated with decompressing the floor and medial wall, including new onset of motility disorders.
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