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  4. Transforniceal lateral deep bone decompression - A modified techique to prevent postoperative diplopia in patients with disfiguring exophthalmos due to dysthyroid orbitopathy
 
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Transforniceal lateral deep bone decompression - A modified techique to prevent postoperative diplopia in patients with disfiguring exophthalmos due to dysthyroid orbitopathy

Journal
Journal of the Formosan Medical Association
Journal Volume
105
Journal Issue
8
Pages
611-616
Date Issued
2006
Author(s)
SHU-LANG LIAO  
Shih M.-J.
TIEN-CHUN CHANG  
Lin L.L.-K.
DOI
10.1016/S0929-6646(09)60159-5
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-33748484707&doi=10.1016%2fS0929-6646%2809%2960159-5&partnerID=40&md5=be1cc915c4662d5711400e6e3bc58a2a
https://scholars.lib.ntu.edu.tw/handle/123456789/496657
Abstract
Background/Purpose: Postoperative diplopia remains a significant complication of orbital decompression in dysthyroid orbitopathy. This study evaluated the results of orbital decompression treatment using a transforniceal approach to sculpt the lateral orbital deep bone area. Methods: The two areas of bone in the deep lateral orbit (the basin of the inferior orbital fissure and the sphenoid door jamb) were exposed using a transforniceal swinging eyelid approach. An electric drill was used to sculpt these deep bone areas of the lateral orbit, and approximately 1 mL intraconal fat was removed simultaneously. Between October 1999 and March 2003, transforniceal lateral deep bone decompression was performed in 35 consecutive patients (62 orbits) with disfiguring dysthyroid orbitopathy. Data on proptosis reduction effect, new-onset diplopia and other complications of lateral wall decompression were analyzed. Results: The average preoperative Hertel value was 21.2 ± 1.3 mm (range, 18-23 mm) and decreased to 17.4 ± 1.2 mm (range, 15-19.5 mm) postoperatively. The mean decrease in proptosis 3 months postoperatively was 3.8 ± 0.91 mm (range, 1.5-4.6 mm). New-onset downgaze diplopia occurred in two (5.7%) of the 35 patients. Persistent trigeminal paresthesia was noted in one patient (2.8%). No cerebrospinal fluid leak, globe injury or vision deterioration was noted during 9.5 ± 1.7 months of follow-up. The cosmetic appearance was improved in all patients after surgery. Conclusion: Transforniceal lateral deep bone decompression produces less new-onset, persistent diplopia than traditional inferomedial wall decompression, and provides good cosmesis by using a hidden small incisional wound. This approach appears to be a safe and effective procedure for patients with disfiguring exophthalmos, especially for Asian patients without crease fold. ? 2006 Elsevier & Formosan Medical Association.
SDGs

[SDGs]SDG3

Other Subjects
cosmetic; adult; article; Asian; brain injury; cerebrospinal fluid fistula; clinical article; controlled study; data analysis; decompression surgery; diplopia; drill; endocrine ophthalmopathy; exophthalmos; eyelid; female; follow up; gaze; human; male; orbit; postoperative period; preoperative period; quantitative analysis; reference value; skin incision; sphenoid; surgical approach; surgical technique; trigeminal nerve disease
Publisher
Scientific Communications International Ltd
Type
journal article

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