The retrospective cohort study aimed to describe post-decompression changes that might affect staging of surgical rehabilitation of thyroid orbitopathy. The analysis included 169 patients who underwent the procedure between 1983 and 2001.
Over an average follow-up of 1.2 years, esotropia increased by an average of 8.1 ∆D (P < .01). However, no significant alteration was reported for exotropia and vertical deviations. A decrease in ductions of more than 5° in at least one meridian occurred in 68.1% of patients.
No change occurred in upper eyelid retraction. A 50% improvement was reported for lower eyelid retraction, from 1.44 mm to 0.7 mm (P < .01).
Other findings indicated an improvement in exophthalmometry, from 23.5 mm to 19.7 mm (P < .01). The investigators observed a correlation between this result and the number of walls removed (P < .01).
“This investigation provides further evidence for changes in multiple orbital parameters with decompression,” the researchers said. “The implications of these findings apply to both surgical staging and outcome counseling.” – by Rob Volansky
Disclosures: The authors report no relevant financial disclosures.
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